San Marcos River Ranger Data

Quick Index to Monitoring Site Data
Aquarena Springs Sculls Crossing
Spring Lake Dam Martindale Falls
Sessom Creek FM 1977 Crossing
Purgatory Creek Hwy 20
Rio Vista Prairie Lea
IH-35
Thompson Is
Fish Hatchery
Cummings Dam
Westerfield Crossing

Aquarena Springs

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates Depth**
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L meters
Aquarena Springs            
4/18/00 8am 23 / 73.4 7.8 510 7.5 NA NA
4/18/00 11am 23.5 / 74.3 8.0 530 7.8 NA NA
5/15/00 9am 22 / 71.6 5.8 570 7.5 NA NA
5/27/00 8am 25 / 77 2.6 560 7.5 NA NA
6/13/00 4pm 26 / 79 8.0 570 7.5 NA NA
7/10/00 6pm 27 / 80.6 6.1 560 7.5 NA NA
7/31/00 10am 24 / 75.2 2.1 500 7.5 NA NA
8/08/00 2pm 28 / 82.4 3.9 560 7.5 NA NA
9/04/00 6pm 29 / 84.2 5.1 * 7.5 NA NA
10/22/00 10am 23 / 73.4 2.8 560 7.5 NA NA
11/14/00 2pm 17.5 / 63.5 6.1 640 7.5 NA NA
11/25/00 12pm 17 / 62.6 4.6 610 7.0 NA NA
12/16/00 12pm 17.5 / 63.5 6.2 660 7.5 NA NA
12/28/00 5pm 24 / 75.2 8.4 580 7.5 NA NA
1/20/01 5pm 16 / 60.8 13.3 600 7.8 NA NA
1/28/01 1pm 19 / 66.2 5.2 * 7.5 NA NA
2/16/01 4pm 19 / 66.2 10.3 650 7.6 NA NA
2/26/01 12pm 20 / 68 6.3 650 7.5 NA NA
3/21/01 12 pm 20 / 68 7.9 650 7.5 NA NA
4/19/01 11am 20 / 68 5.5 630 7.5 NA NA
4/29/01 10am 21 / 69.8 2.8 640 7.5 NA NA
5/15/01 5pm 23 / 73.4 5.3 600 7.5 NA NA
6/12/01 12pm 25 / 77 3.1 630 7.0 NA NA
7/08/01 11am 20 / 68 1.9 630 7.5 NA NA
7/10/01 4pm 25 / 77 3.3 570 7.0 NA NA
10/02/01 5pm 23 / 73.4 4.9 610 7.3 NA NA
10/30/01 5pm 20 / 68 7.3 620 7.5 NA NA
11/24/01 8am 19 / 66.2 3.0 660 7.0 NA NA
12/29/01 5pm 15 / 59 10 670 7.5 NA NA
2/17/02 5pm 18 / 64.4 9.75 680 7.6 NA NA
4/14/02 5pm 24 / 75.2 8.2 620 7.5 NA NA
7/21/02 5pm 27 / 80.6 6.1 670 7.5 NA NA
1/21/03 5pm 22 / 71.6 11.4 660 7.5 NA NA
4/21/03 6pm 22 / 71.6 10.6 650 7.5 NA NA
8/23/03 9am 23 / 73.4 3.0 * 7.5 NA NA
9/20/03 8am 20 / 68 3.2 510 7.3 NA NA
10/18/03 8am 19 / 66.2 3.1 510 7.1 NA NA
12/07/03 8am 15 / 59 3.1 560 7.1 NA NA
1/11/04 8am 14 / 57.2 5.7 560 7.3 NA NA
2/17/04 6pm 19 / 66.2 8.6 600 7.4 NA NA
3/22/04 6pm 21 / 69.8 7.7 620 8.0 NA NA
4/17/04 8pm 22 / 71.6 9.3 640 7.6 NA NA
5/18/04 6pm 25 / 77 9.15 650 7.8 NA NA
7/07/04 8pm 26 / 78.8 6.3 690 7.6 NA NA
9/16/04 9am 25 / 77 5.2 630 8.0 NA NA
10/12/04 6pm 25 / 77 5.05 600 8.0 NA NA
11/0704 9am 23 / 73.4 5.15 * 8.0 NA NA

Spring Lake Dam

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Spring Lake Dam            
11/23/00 10am 21 / 69.8 5.2 620 7.3 NA NA
1/08/01 12pm 22 / 71.6 6.7 600 7.1 <1.0 <0.1
2/18/01 11am 22 / 71.6 7.4 * 7.3 NA NA
2/27/01 11am 21.5 / 70.7 5.8 610 7.6 NA NA
3/26/01 11am 21 / 69.8 7.3 600 7.3 NA NA
3/26/01 4pm 21 / 69.8 7.0 620 7.4 NA NA
4/18/01 2pm 22 / 71.6 7.7 610 7.3 NA NA
5/02/01 4pm 22 / 71.6 6.6 600 7.3 NA NA
5/30/01 11am 22 / 71.6 6.5 580 7.4 NA NA
6/06/01 2pm 20 / 68 6.8 630 7.4 NA NA
7/09/01 2pm 21 / 69.8 8.2 480 7.3 NA NA
8/03/01 11am 20 / 68 4.8 600 7.3 NA NA
8/14/01 9am 20 / 68 3.6 600 7.3 NA NA
9/11/01 9am 24 / 75.2 3.7 610 7.2 NA NA
9/25/01 3pm 19 / 66.2 7.0 600 7.3 NA NA
10/09/01 12pm 20 / 68 5.4 620 7.4 NA NA
11/02/01 10am 20 / 68 5.5 600 7.2 NA NA
11/30/01 10am 19.5 / 67.1 5.5 590 7.3 NA NA
1/04/02 12pm 20 / 68 6.7 570 7.3 NA NA
1/28/02 10am 21 / 69.8 5.7 610 7.4 NA NA
2/25/02 12pm 21.5 / 70.7 6.3 640 7.3 NA NA
3/25/02 12pm 18 / 64.4 6.4 630 7.4 NA NA
4/19/02 12 pm 22 / 71.6 6.3 630 7.4 NA NA
5/21/02 11am 21 / 69.8 6.4 640 7.3 NA NA
6/18/02 9am 22 / 71.6 5.9 640 7.3 NA NA
7/15/02 3pm 22 / 71.6 6.3 640 7.3 NA NA
8/16/02 9am 22 / 71.6 5.2 630 7.2 NA NA
9/13/02 9am 21 / 69.8 5.2 630 7.3 NA NA
10/04/02 10am 22 / 71.6 5.6 620 7.2 NA NA
11/08/02 3pm 22 / 71.6 6.2 630 7.1 NA NA
12/05/02 1pm 21 / 69.8 6.5 630 7.4 NA NA
1/06/03 12pm 21 / 69.8 6.2 630 7.4 NA NA
1/30/03 12pm 21 / 69.8 6.3 630 7.4 NA NA
2/24/03 11am 19 / 66.2 6.2 630 7.3 NA NA
3/24/03 12pm 22 / 71.6 6.7 630 7.2 NA NA
4/22/03 10am 21 / 69.8 5.2 640 * NA NA
5/16/03 9am 22 / 71.6 5.5 640 7.2 NA NA
6/16/03 2pm 22 / 71.6 6.7 630 7.4 NA NA
7/12/03 7pm 22 / 71.6 5.8 750 7.3 NA NA
8/13/03 10am 21 / 69.8 6.1 640 7.2 NA NA
9/09/03 10am 22 / 71.6 5.6 630 7.2 NA NA
10/06/03 11am 22 / 71.6 5.7 600 7.2 NA NA
10/23/03 11am 22 / 71.6 6.0 600 7.4 NA NA
11/05/03 10am 22 / 71.6 5.4 610 7.3 NA NA
12/12/03 9am 20 / 68 5.3 600 7.3 NA NA
12/16/03 12pm * 6.95 590 7.2 NA NA
1/07/04 5pm 20 / 68 6.8 600 7.4 NA NA
1/13/04 3pm 22 / 71.6 6.1 610 7.4 NA NA
1/22/04 12pm 20 / 68 6.3 620 7.5 NA NA
2/11/04 2pm 18 / 64.4 6.65 640 7.3 NA NA
2/20/04 11am 21 / 69.8 6.75 610 7.4 NA NA
3/07/04 12pm 22 / 71.6 7.5 610 7.3 NA NA
3/22/04 12pm 22 / 71.6 7.1 630 7.4 NA NA
4/09/04 3pm 22 / 71.6 7.7 620 7.4 NA NA
4/16/04 12pm 22 / 71.6 6.4 630 7.3 NA NA
5/06/04 10am 22.5 / 72.5 5.2 610 7.1 NA NA
5/18/04 7am 22 / 71.6 4.8 610 7.2 NA NA
6/01/04 12pm 23 / 73.4 6.8 600 7.2 NA NA
6/14/04 8am 22 / 71.6 5.5 640 7.3 NA NA
7/06/04 1pm 22 / 71.6 6.8 620 7.2 NA NA
7/20/04 1pm 23 / 73.4 6.9 610 7.3 NA NA
8/15/04 9am 22 / 71.6 5.9 610 7.3 NA NA
8/24/04 1pm 23 / 73.4 6.8 610 7.4 NA NA
9/03/04 12pm 22 / 71.6 7.1 600 7.2 NA NA
10/04/04 11am 22 / 71.6 6.6 610 7.4 NA NA
10/15/04 1pm 22 / 71.6 7.4 610 7.4 NA NA
10/29/04 1pm 22 / 71.6 6.9 610 7.3 NA NA
11/29/04 11am 22 / 71.6 6.3 620 7.3 NA NA
12/15/04 1pm 21 / 69.8 6.3 630 7.4 NA NA

Sessom Creek

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Sessom Creek            
4/18/00 4pm 25 / 77 7.1 530 5.3 NA NA
5/20/00 12pm 24 / 75.2 7.3 550 7.4 NA NA
9/18/00 4pm 24 / 75.2 7.3 590 7.5 <1.0 <0.1
11/13/00 3pm 19 / 66.2 8.9 590 7.2 NA NA
12/08/00 3pm 21 /69.8 7.9 590 7.6 NA NA
1/08/01 5pm 20.5 / 68.9 7.8 580 7.6 NA NA
2/06/01 5pm 21 / 69.8 8.0 620 7.4 NA NA
3/20/01 2pm 22 / 71.6 8.5 610 7.4 NA NA
4/03/01 6pm 22 / 71.6 7.0 580 7.2 NA NA
4/17/01 4pm 22 / 71.6 8.6 590 7.4 NA NA
5/01/01 6pm 22 / 71.6 7.8 600 7.6 NA NA
5/15/01 3pm 22.5 / 72.5 7.7 610 7.3 NA NA
5/31/01 7pm 23 / 73.4 7.8 580 7.4 NA NA
6/11/01 5pm 22 / 71.6 8.2 660 7.3 NA NA
6/25/01 5pm 24 / 75.2 7.8 580 7.3 NA NA
7/05/01 2pm 24 / 75.2 7.6 590 7.4 NA NA
7/24/01 6pm 22 / 71.6 7.8 550 7.4 NA NA
8/04/01 3pm 25 / 77 8.1 640 7.4 NA NA
9/27/01 5pm 22 / 71.6 8.2 590 7.4 NA NA
10/16/01 6pm 22 / 71.6 7.7 610 7.4 NA NA
10/30/01 2pm 20 / 68 8.6 620 7.4 NA NA
12/26/01 3pm 18 / 64.4 8.7 620 7.4 NA NA
2/26/02 3pm 22 / 71.6 8.65 610 7.4 NA NA
3/05/02 6pm 22 / 71.6 8.0 600 7.4 NA NA
3/19/02 1pm 22 / 71.6 8.55 620 7.3 NA NA
4/18/02 1pm 24 / 75.2 7.75 560 7.4 NA NA
5/07/02 4pm 25 / 77 7.45 600 7.4 NA NA
6/10/02 2pm 25 / 77 8.0 600 7.4 NA NA
7/09/02 2pm 24 / 75.2 7.6 610 7.4 NA NA
8/02/02 3pm 24 / 75.2 8.3 600 7.4 NA NA
9/04/02 12pm 24 / 75.2 7.4 610 7.4 NA NA
10/01/02 3pm 25 / 77 7.85 620 7.4 NA NA
11/25/02 4pm 22 / 71.6 8.2 590 7.4 NA NA
1/14/03 11am 20/ 68 8.5 600 7.4 NA NA
2/24/03 3pm 19 / 66.2 8.55 610 7.4 NA NA
4/15/03 12pm 23 / 73.4 7.4 610 7.4 NA NA
5/09/03 1pm 22 / 71.6 8.3 600 7.4 NA NA
6/09/03 1pm 23 / 73.4 7.4 610 7.4 NA NA
7/22/03 6pm 26 / 78.8 6.5 640 8.0 NA NA
8/03/03 2pm 24 / 75.2 8.25 600 7.4 NA NA
8/19/03 7pm 25 / 77 8.1 650 7.4 NA NA
9/02/03 5pm 22 / 71.6 8.0 600 7.4 NA NA
9/18/03 7pm 24 / 75.2 7.75 610 7.5 NA NA
10/18/03 1pm 22 / 71.6 7.4 610 7.4 NA NA
11/25/03 3pm 22 / 71.6 8.15 610 7.4 NA NA
12/07/03 12pm 20 / 68 7.4 610 7.5 NA NA
12/23/03 9am 24 / 75.2 8.2 610 7.4 NA NA
1/10/04 9am 18 / 64.4 7.8 600 7.5 NA NA
1/20/04 4pm 20 / 68 8.15 610 7.4 NA NA
2/28/04 5pm 20 / 68 7.5 640 7.6 NA NA
3/28/04 5pm 23 / 73.4 7.5 630 7.5 NA NA
4/17/04 12pm 22.5 / 72.5 8.4 640 8.0 NA NA
4/25/04 5pm 26 / 78.8 7.05 630 7.8 NA NA
5/16/04 12pm 23.5 / 74.3 7.0 660 7.5 NA NA
5/23/04 4pm 23 / 73.4 7.0 660 7.7 NA NA
6/19/04 5pm 26 / 78.8 7.6 650 7.6 NA NA
7/07/04 6pm 23 / 73.4 9.6 630 7.0 NA NA
7/25/04 4pm 23 / 73.4 7.15 660 7.7 NA NA
8/15/04 5pm 23 / 73.4 7.1 620 7.6 NA NA
8/29/04 5pm 23 / 73.4 7.4 630 7.5 NA NA
12/07/04 5pm 21 / 69.8 7.25 620 7.6 NA NA

Purgatory Creek

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Purgatory Creek            
4/18/00 9am 22 / 71.6 4.2 560 7.5 NA NA
9/05/00 9am 23 / 73.4 4.3 610 7.5 NA NA
10/05/00 4pm 26 / 79 10.0 * 7.4 NA NA
11/07/00 9am 26 / 79 8.3 630 7.5 NA NA
2/20/01 8am 21 / 69.8 7.0 650 7.5 NA NA
3/26/01 8am 20 / 68.9 7.0 690 7.5 NA NA
4/18/01 8am * 7.3 * 7.5 NA NA
5/19/01 6pm 24 / 75.2 7.0 590 7.4 NA NA
6/21/01 4pm 26 / 79 * 580 7.4 NA NA
6/24/01 2pm 25 / 77 5.2 350 7.5 NA NA
7/13/01 9am 24 / 75.2 5.3 580 7.5 NA NA
7/22/01 9am 24 / 75.2 4.3 570 8.0 NA NA
8/19/01 11am 24.5 / 76.1 6.1 590 7.5 NA NA
9/16/01 4pm 25 / 77 8.1 590 8.0 NA NA
10/02/01 5pm 24 / 75.2 9.0 600 7.3 NA NA
10/14/01 5pm 22 / 71.6 8.9 500 8.0 NA NA
10/30/01 9am 21 / 69.8 8.0 770 8.0 NA NA
11/10/01 3pm 19 / 66.2 8.9 580 8.0 NA NA
12/09/01 11am 15 / 59 8.3 580 8.0 NA NA
1/05/02 11am 14 / 57.2 8.4 550 8.0 NA NA
2/03/02 11am 13 / 55.4 8.4 * 8.0 NA NA
2/22/02 8am 20 / 68.9 8.1 720 7.5 NA NA
3/01/02 6pm 20 / 68.9 8.1 620 8.0 NA NA
3/30/02 6pm 22 / 71.6 9.3 570 8.0 NA NA
4/21/02 10am 23 / 73.4 5.9 590 7.5 NA NA
4/24/02 9am 23 / 73.4 * 600 7.4 NA NA
5/26/02 11am 23 / 73.4 7.3 580 8.0 NA NA
6/23/02 11am 24 / 75.2 7.2 610 7.5 NA NA
7/22/02 3pm 25 / 77 7.7 600 8.0 NA NA
8/19/02 12pm 26 / 78.8 7.1 590 8.0 NA NA
9/05/02 8am 23 / 73.4 6.0 560 7.5 NA NA
9/14/02 1pm 24.5 / 76.1 7.2 600 8.0 NA NA
10/12/02 11am 23 / 73.4 7.7 610 7.2 NA NA
11/09/02 2pm 23.5 / 74.3 7.3 610 7.5 NA NA
4/30/03 6pm 26 / 78.8 * 610 7.4 NA NA
6/13/03 9am 25 / 77 5.2 610 7.4 NA NA
7/22/03 5pm 26 / 78.8 8.75 620 7.4 NA NA
8/19/03 6pm 26 / 78.8 8.55 630 7.5 NA NA
9/17/03 7pm 23.5 / 74.3 7.75 610 7.4 NA NA
10/12/03 6pm 23 / 73.4 3.3 290 7.4 NA NA
12/07/03 12pm 21 / 68.9 7.5 600 7.5 NA NA
12/21/03 3pm 21 / 68.9 8.65 610 7.8 NA NA
1/10/04 9am 16 / 60.8 8.3 570 7.5 NA NA
1/18/04 2pm 20 / 68 9.1 610 7.8 NA NA
2/01/04 12pm 22 / 71.6 9.1 600 7.5 NA NA
2/19/04 4pm 21.5 / 70.7 9.2 610 7.8 NA NA
3/02/04 5pm 22 / 71.6 9.8 610 7.6 NA NA
3/11/04 3pm 22 / 71.6 9.4 590 7.5 NA NA
3/27/04 2pm 26 / 78.8 9.3 610 7.4 NA NA
4/12/04 5pm 21 / 68.9 9.2 610 7.8 NA NA
5/02/04 10am 19 / 66.2 8.0 650 7.5 NA NA
5/12/04 12pm 22 / 71.6 5.6 590 7.8 NA NA
5/26/04 6pm 23 / 73.4 8.9 650 7.3 NA NA
6/23/04 10am 23.5 / 74.3 5.2 560 7.4 NA NA
7/10/04 4pm 23 / 73.4 8.8 630 7.7 NA NA
7/21/04 10am 22 / 71.6 7.1 630 7.5 NA NA
8/04/04 4pm 24 / 75.2 7.9 620 7.8 NA NA
8/18/04 8am 24 / 75.2 4.9 660 7.4 NA NA
8/30/04 4pm 23 / 73.4 7.7 600 7.7 NA NA
9/12/04 9am 23 / 73.4 6.5 620 7.5 NA NA
10/10/04 11am 22 / 71.6 8.0 640 7.4 NA NA
10/26/04 4pm 23 / 73.4 5.6 520 7.7 NA NA
11/11/04 2pm 22.5 / 72.5 9.1 640 7.8 NA NA
11/27/04 4pm 20 / 68 7.4 610 7.8 NA NA
12/09/04 9am 19 / 66.2 7.1 620 7.5 NA NA
12/18/04 4pm 20 / 68 8.2 630 7.5 NA NA
12/31/04 9am 21 / 69.8 7.4 630 7.4 NA NA

Rio Vista

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Rio Vista            
4/18/00 7am 21 / 69.8 7.6 * * NA NA
4/24/00 7am 20.5 / 68.9 7.2 610 7.7 NA NA
12/17/00 3pm 20 / 68 8.4 620 7.7 NA NA
1/15/01 12pm 21 / 68.9 9.1 640 7.6 NA NA
1/26/01 3pm 21 /68.9 9.4 610 7.8 NA NA
3/13/01 10am 21 / 68.9 8.6 580 7.7 NA NA
4/10/01 2pm 23.5 / 74.3 8.7 540 7.5 NA NA
5/10/01 10am 23 / 73.4 7.8 620 7.8 NA NA
8/01/01 9am 20 / 68 7.7 570 7.5 NA NA
9/10/01 10am 23 / 73.4 8.6 590 7.5 NA NA
9/25/01 11am 21 / 68.9 8.4 590 7.6 NA NA
10/09/01 10am 24 / 75.1 8.4 580 7.5 NA NA
11/06/01 10am 23 / 73.4 9.6 600 8.0 NA NA
12/04/01 8am 25 / 77 8.3 580 7.5 NA NA
12/19/01 1pm 21 /68.9 8.6 610 7.6 NA NA
1/30/02 10am 19 / 66.2 * 590 7.5 NA NA
2/12/02 4pm 22 / 71.6 9.0 670 7.8 NA NA
2/24/02 5pm 19 / 66.2 9.5 600 7.5 NA NA
3/12/02 4pm 23 / 73.4 9.05 550 7.9 NA NA
3/26/02 10am 17 /62.6 10.1 * 7.5 NA NA
4/18/02 10am 20 / 68 8.2 580 7.5 NA NA
5/09/02 3pm 23 / 73.4 8.85 590 7.8 NA NA
5/16/02 10am 20 / 68 8.7 610 7.5 NA NA
6/13/02 10am 23 / 73.4 8.5 630 8.0 NA NA
7/15/02 10am 19 / 66.2 9.4 600 8.0 NA NA
8/01/02 11am 23 / 73.4 9.15 610 7.7 NA NA
9/10/02 11am 20 / 68 8.9 620 8.0 NA NA
9/24/02 10am 22 / 71.6 8.5 590 7.6 NA NA
10/08/02 11am 24 / 75.1 8.7 640 8.5 NA NA
12/03/02 11am 21 / 69.8 8.75 630 8.0 NA NA
12/18/02 1pm 22 / 71.6 8.85 610 7.6 NA NA
1/28/03 12pm 22 / 71.6 9.45 640 7.5 NA NA
3/08/03 2pm 22 / 71.6 8.5 590 7.8 NA NA
3/25/03 11am 22 / 71.6 9.6 650 7.5 NA NA
4/17/03 11am 26 / 78.8 9.45 640 7.5 NA NA
5/14/03 11am 23 / 73.4 9.2 620 7.5 NA NA
7/15/03 11am 22.5 / 72.5 9.0 540 7.5 NA NA
7/29/03 10am 23 / 73.4 7.2 600 7.6 NA NA
9/04/03 11am 22 / 71.6 7.8 490 7.5 NA NA
9/24/03 10am 23 / 73.4 7.8 630 7.6 NA NA
10/30/03 11am 22 / 71.6 7.8 510 8.0 NA NA
12/02/03 11am 22 / 71.6 8.65 510 7.5 NA NA
3/23/04 11am 21 / 69.8 8.4 510 8.0 NA NA
4/20/04 11am 24 / 75.2 * 520 8.0 NA NA
5/18/04 11am 24 / 75.2 7.9 490 7.5 NA NA
6/26/04 6pm 23 / 73.4 7.7 640 7.9 NA NA
7/24/04 6pm 23.5 / 74.3 8.7 640 7.9 NA NA
8/21/04 7pm 26 / 78.8 9.7 640 7.7 NA NA
9/18/04 6pm 24 / 75.2 7.6 550 7.6 NA NA
10/10/04 10am * 7.75 660 7.7 NA NA
10/31/04 12pm * 7.95 * 7.5 NA NA
11/28/04 11am 21 / 69.8 8.2 660 7.7 NA NA

IH-35

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
IH-35            
4/18/00 2pm 22 / 71.6 9.0 540 7.8 NA NA
6/6/00 10am 21 / 69.8 8.1 530 7.7 NA NA
7/4/00 10am 23 / 73.4 8.0 580 7.7 NA NA
8/26/00 3pm 25 / 77 9.8 530 7.8 NA NA
9/26/00 12pm 21 / 69.8 9.4 570 7.8 NA NA
11/22/00 4pm 22 / 71.6 8.6 680 7.7 NA NA
12/20/00 3pm 20 / 68 9.6 610 8.0 NA NA
2/10/01 4pm 18 / 64.4 9.4 610 8.0 NA NA
3/10/01 3pm 21 / 69.8 10.0 600 8.0 NA NA
4/10/01 2pm 23 / 73.4 9.5 600 7.8 NA NA
5/09/01 2pm 23.5 / 74.3 9.7 600 8.0 NA NA
6/04/01 3pm 24 / 75.2 9.6 590 7.8 NA NA
7/03/01 3pm * 9.5 * 7.8 NA NA
7/28/01 3pm 25 / 77 9.5 550 7.8 NA NA
4/23/02 10am 22 / 71.6 8.45 610 7.7 NA NA
5/09/02 10am 22 / 71.6 8.3 580 7.8 NA NA
6/01/02 11am 25 / 77 8.85 600 7.7 NA NA
7/26/02 1pm 23 / 74.3 8.85 560 7.8 NA NA
8/25/02 10am 22 / 71.6 8.1 580 7.7 NA NA
11/14/03 11am 19.5 / 67.1 8.05 610 7.2 NA NA
11/26/03 4pm 18.5 / 65.3 8.25 630 7.3 NA NA
1/28/04 4pm 19.5 / 67.1 9.65 640 7.4 NA NA
2/19/04 5pm 22 / 71.6 9.2 610 7.3 NA NA
4/22/04 5pm 23 / 74.3 9.2 610 7.5 NA NA
5/05/04 4pm 23 / 74.3 9.7 610 7.1 NA NA
6/04/04 7pm 23 / 73.4 7.6 630 7.7 NA NA
6/30/04 11am 22.5 / 72.5 7.7 570 7.8 NA NA
7/30/04 8am 24 / 75.2 6.7 650 7.8 NA NA
8/23/04 8am 25 / 77 6.6 620 7.7 NA NA
9/25/04 8am 20 / 68 5.1 620 7.8 NA NA
10/19/04 9am 21.5 / 70.7 5.5 620 7.8 NA NA
11/12/04 2pm 19 / 66.2 8.3 610 7.8 NA NA
12/20/04 10am 19 / 66.2 7.7 590 7.8 NA NA

Thompson Is

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Thompson Is
8/05/00 9am 22 / 71.6 7.0 580 7.8 <1.0 <0.1
9/04/00 9am 23 / 73.4 6.9 590 7.8 <1.0 0.3
10/07/00 9am 19 / 66.2 8.1 610 7.8 <1.0 <0.1
10/28/00 9am 22 / 71.6 7.4 590 8.0 <1.0 0.2
11/11/00 9am 20.5 / 68.9 8.7 590 7.8 <1.0 <0.1
11/27/00 7am 20 / 68 8.2 540 7.8 <1.0 <0.1
12/09/00 9am 20.5 / 68.9 8.9 590 7.8 <1.0 0.2
12/29/00 9am * 8.5 590 7.8 <1.0 <0.1
1/06/01 9am * 7.6 600 7.8 <1.0 <0.1
1/23/01 8am 20 / 68 8.4 580 7.8 <1.0 <0.1
2/03/01 9am 19 / 66.2 8.3 610 7.8 <1.0 <0.1
3/04/01 9am 20 / 68 8.0 590 8.0 <1.0 <0.1
3/31/01 8am 21 / 69.8 7.7 580 7.8 <1.0 <0.1
4/29/01 9am 21 / 69.8 7.9 600 7.8 <1.0 <0.1
5/28/01 9am 23 / 73.4 7.4 590 7.8 1.0 <0.1
6/24/01 9am 22 / 71.6 6.9 580 7.8 <1.0 <0.1
7/22/01 10am 22 / 71.6 6.6 580 7.8 <1.0 <0.1
8/07/01 11am 23 / 73.4 8.5 580 7.8 <1.0 <0.1
10/01/01 11am 20.5 / 68.9 8.9 590 7.8 <1.0 <0.1
5/07/03 10am 22.5 / 72.5 7.6 630 8.1 <1.0 <0.1
6/10/03 10am 22 / 71.6 7.6 600 7.8 <1.0 <0.1
7/07/03 10am 22.5 / 72.5 7.3 610 7.8 <1.0 <0.1
8/01/03 11am 25 / 77 7.15 620 7.9 <1.0 <0.1
8/29/03 10am 23.5 / 74.3 7.6 590 7.8 * *
9/28/03 11am 21.5 / 70.7 7.9 610 7.8 <1.0 <0.1
11/23/03 11am 18.5 / 65.3 8.4 * 7.9 <1.0 <0.1
12/19/03 11am 18 / 64.4 8.85 590 7.8 <1.0 *
1/20/04 11am 17 / 62.6 9.25 560 7.9 <1.0 *
4/01/04 6pm 23 / 73.4 8.75 600 8.1 * *
4/17/04 11am 21.5 / 70.7 7.5 600 8.0 <1.0 4
5/06/04 6pm 23 / 73.4 9.3 630 8.0 * *
6/03/04 6pm 24 / 75.2 9.1 620 8.0 * *
6/08/04 11am 23 / 73.4 7.3 460 7.8 <1.0 0.35
7/03/04 7am 22 / 71.6 7.8 620 8.0 * *
7/09/04 11am 23 / 73.4 8.2 630 7.8 <1.0 0.5
8/02/04 6pm 24 / 75.2 9.3 620 8.0 * *
8/30/04 11am 22.5 / 72.5 8.6 610 7.8 <1.0 *
9/02/04 7pm 22 / 71.6 8.2 620 8.0 * *
9/26/04 11am 22 / 71.6 7.7 640 7.7 <1.0 0.3
10/05/04 5pm 23 / 73.4 8.8 650 8.0 * *
11/07/04 9am 20.5 / 68.9 8.0 610 8.0 * *

Fish Hatchery

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Fish Hatchery            
4/3/00 4pm 21 / 69.8 9.4 450 8.0 * *
4/18/2000 7am 22 / 71.6 7.5 * * * *
5/14/00 10am 21 / 69.8 8.2 590 7.8 <1.0 1.6
6/17/00 12pm 23 / 73.4 8.2 530 7.8 <1.0 0.4
7/08/00 10am 22 / 71.6 7.2 610 7.8 <1.0 0.6
8/08/00 10am 22 / 71.6 8.1 590 8.0 <1.0 0.4
9/08/00 10am 22 / 71.6 7.6 580 8.0 <1.0 0.4
10/03/00 11am 22 / 71.6 8.3 580 7.8 1.0 0.3
10/28/00 11am 22 / 71.6 7.9 590 8.0 <1.0 <0.2
11/29/00 10am 20 / 68 8.6 610 7.8 <1.0 <0.1
12/28/00 11am 18 / 64.4 9.4 600 7.6 <1.0 <0.1
1/22/01 1pm 20 / 68 10.1 600 8.0 <1.0 <0.1
2/17/01 10am 19.5 / 67.1 9.1 610 7.9 <1.0 <0.1
3/20/01 11am 20 / 68 10.2 600 8.0 <1.0 <0.1
4/18/01 12pm 20 / 68 9.5 590 7.8 <1.0 <0.2
5/15/01 1pm 22 / 71.6 9.3 580 7.8 <1.0 <0.1
6/13/01 11am 22 / 71.6 8.2 580 7.8 <1.0 0.3
7/11/01 12pm 23 / 73.4 7.8 570 7.5 1.0 0.3
8/07/01 12pm 23 / 73.4 8.7 580 7.8 <1.0 <0.1
10/01/01 12pm 20.5 / 68.9 8.8 590 8.0 <1.0 <0.1
1/23/02 3pm 21.5 / 70.7 8.5 580 8.0 <1.0 <0.1
2/19/02 12pm 21 / 69.8 8.6 580 7.8 <1.0 0.4
4/18/02 1pm 23 / 73.4 7.7 590 7.6 <1.0 <0.1
5/14/02 2pm 22 / 71.6 8.2 630 8.0 1.0 0.2
6/06/02 1pm 22 / 71.6 7.8 630 7.8 <1.0 1.2
9/03/02 12pm 23 / 73.4 7.7 580 7.6 <1.0 0.4
9/30/02 12pm 22 / 71.6 8.1 580 7.7 <1.0 0.6
10/30/02 12pm 22 / 71.6 8.6 620 8.0 <1.0 0.3
9/26/03 6pm 22.5 / 72.5 7.4 610 7.6 <1.0 <0.1
10/26/03 2pm 21 / 69.8 7.2 610 7.5 <1.0 <0.1
12/21/03 2pm 21 / 69.8 8.3 590 7.9 <1.0 *
1/18/04 3pm 21.5 / 70.7 * 580 7.9 1.0 *
3/22/04 6pm 22 / 71.6 8.7 600 7.9 1.0 0.6
5/17/04 6pm 24 / 75.2 8.0 610 7.7 <1.0 0.5
7/12/04 6pm 23 / 73.4 7.9 620 7.9 <1.0 1.0
9/06/04 4pm 24 / 75.2 6.8 310 7.7 0.5 4.0

Cummings Dam

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Cummings Dam            
4/18/00 6pm 25.5 / 77.9 6.5 580 7.9 3.0 <0.1
4/25/00 6pm 29 / 84.2 8.1 590 7.9 1.0 <0.1
5/23/00 3pm 27 / 80.6 6.7 620 8.0 1.5 <0.1
6/18/00 4pm 29 / 84.2 6.4 560 7.8 0.5 <0.1
7/18/00 5pm 35 / 95 7.8 580 7.8 <1.0 <0.1
8/15/00 4pm 27 / 80.6 7.8 600 7.8 <1.0 <0.1
9/12/00 5pm 32 / 89.6 7.0 590 7.9 <1.0 <0.1
12/04/00 3pm 15 / 59 8.5 520 7.7 1.0 <0.1
8/11/01 8am 24.5 / 76.1 6.7 630 7.9 1.0 <0.1
9/08/01 9am 26.5 / 79.7 6.2 550 7.8 1.0 <0.1
10/16/01 9am 22 / 71.6 7.1 540 7.8 1.0 <0.1
12/26/01 10am 12 / 53.6 9.0 570 8.0 1.0 <0.1
1/27/02 9am 17 / 62.6 8.5 580 7.8 1.5 <0.1
2/23/02 9am 18 / 64.4 7.9 570 7.8 2.0 <0.1
4/20/02 10am 23 / 73.4 6.3 590 7.75 1.0 <0.1
5/26/02 9am 23 / 73.4 7.0 610 7.8 * <0.1
6/22/02 9am 24 / 75.2 6.3 590 7.8 1.0 <0.1
7/21/02 9am 25 / 77 6.5 510 7.9 1.5 <0.1
9/21/02 9am 23 / 73.4 7.5 540 7.5 1.5 <0.1
11/23/02 9am 23 / 73.4 7.2 540 7.5 1.0 <0.1
1/20/03 9am 18 / 64.4 8.4 570 7.8 1.0 <0.1
4/05/03 9am 23 / 73.4 7.0 560 8.0 <1.0 <0.1
4/27/03 10am 23 / 73.4 7.2 570 8.0 <1.0 <0.1
6/27/03 9am 24 / 75.2 6.8 570 8.0 <1.0 <0.1
8/27/03 8am 25 / 77 6.7 610 7.8 * *
10/18/03 9am 22 / 71.6 6.3 600 7.75 1.0 <0.1
1/04/04 9am 22 / 71.6 6.4 580 7.75 1.0 <0.1
3/28/04 8am 22 / 71.6 7.0 570 8.0 1.0 <0.1
7/31/04 9am 26 / 78.8 6.4 550 8.0 <1.0 <0.1
10/31/04 8am 25 / 77 6.5 540 8.0 1.0 <0.1
12/31/04 10am 21 /69.8 7.7 530 8.0 1.0 <0.1

Westerfield

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Westerfield            
1/30/01 3pm 17 / 62.6 9.4 520 8.3 * *
3/13/01 12pm 20 / 68 9.8 * 7.3 * *
5/22/01 2pm 23 / 73.4 9.6 460 7.8 * *
9/30/02 9am 24 / 75.2 8.0 560 7.8 <1.0 0.2
2/01/04 1pm 18 / 64.4 9.25 590 7.9 <1.0 <0.1
3/03/04 9am 21 / 69.8 9.6 590 8.0 <1.0 1.0
3/30/04 8am 21 / 69.8 8.3 590 8.0 * *
4/29/04 8am 21 / 69.8 7.8 550 8.0 <1.0 <0.1
5/26/04 8am 24.5 / 76.1 8.0 550 8.0 <1.0 <0.1
6/23/04 9am 25 / 77 7.9 550 8.0 <1.0 <0.1
7/21/04 9am 26 / 78.8 7.3 560 8.0 <1.0 <0.1
8/17/04 8am 24 / 75.2 7.6 620 7.7 <1.0 <0.1
9/14/04 8am 24 / 75.2 8.5 610 8.0 1.0 0.1
10/11/04 8am 22 / 71.6 8.1 660 7.5 * *
11/11/04 8am 20 / 68 9.5 570 8.0 1.0 <0.1
12/09/04 8am 17 / 62.6 10.0 560 8.0 <1.0 <0.1
12/31/04 10am 19 / 66.2 9.3 580 7.9 <1.0 <0.1

Sculls Crossing

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Sculls Crossing            
4/30/00 10am 23 / 73.4 6.8 560 7.8 <2 0.4
7/2/00 9am 24 / 75.2 5.8 550 7.9 1.0 0.3
7/29/00 9am 24 / 75.2 6.0 560 7.9 1.0 0.3
8/19/00 10am 25 / 77 6.3 * 7.9 <4 0.4
10/29/00 4pm 23.5 / 74.3 7.7 570 7.8 1.0 <0.1
11/11/00 10am 18 / 64.4 8.6 520 7.8 <1.0 0.3
1/20/01 4pm 13.5 / 56.3 11.2 580 7.8 * *
2/18/01 4pm 16 / 60.8 10.0 530 7.8 <1.0 <0.1
3/18/01 4pm 16 / 60.8 9.9 570 7.8 <1.0 <0.1
4/07/01 10am 22 / 71.6 7.9 540 7.9 0.5 0.3
5/13/01 12pm 24.5 / 76.1 7.6 490 7.8 <1.0 <0.1
5/28/01 11am 25 / 77 7.5 550 8.0 0.5 0.4
7/21/01 9am 24 / 75.2 7.0 580 7.9 1.0 0.4
8/20/01 10am 24 / 75.2 6.4 * 7.9 0.5 0.4
9/22/01 10am 25 / 77 7.0 570 7.9 0.5 0.4
1/06/02 12pm 15 / 59 9.6 560 7.9 5.0 0.2
2/03/02 10am 18 / 64.4 9.1 630 7.9 0.5 0.2
5/25/02 10am 22 / 71.6 7.2 580 8.0 <1.0 0.3
7/28/02 12pm 27 / 80.6 6.9 490 7.8 0.5 0.8
9/14/02 11am 25 / 77 7.1 560 7.7 0.5 0.1
10/13/02 10am 23 / 73.4 7.6 560 7.8 1.0 <0.1
7/03/03 9am 26 / 78.8 6.85 610 7.9 * *
8/04/03 10am 27 / 80.6 6.5 580 7.9 * *
9/01/03 9am 24.5 / 76.1 6.5 590 7.75 <1.0 1.5
10/07/03 4pm 25 / 77 7.35 550 7.8 <1.0 0.5
10/31/03 7am 22 / 71.6 6.95 610 7.8 1.0 <0.1
11/29/03 9am 15.5 / 59.9 9.35 600 8.2 <1.0 <0.1
12/22/03 9am 18.5 / 65.3 7.95 600 8.3 <1.0 0.5
1/03/04 3pm 23 / 73.4 9.6 590 8.1 1.0 3.0
1/18/04 9am 16.5 / 61.7 9.0 * 7.8 <1.0 <0.1
3/06/04 4pm 22 / 71.6 10.0 570 8.5 <1.0 0.5
3/08/04 5pm 22 / 71.6 11.8 560 8.4 1.0 2.0
3/28/04 4pm 24.5 / 76.1 9.1 570 7.8 1.0 6.0
4/18/04 11am 23 / 73.4 7.8 * 7.8 <1.0 <0.1
4/28/04 6pm 21.5 / 70.7 8.9 520 7.9 0.5 0.2
5/12/04 4pm 24 / 75.2 8.35 590 8.2 <1.0 <0.1
5/26/04 6pm 26 / 78.8 8.9 500 7.8 0.3 0.1
6/09/04 12pm 26 / 78.8 7.3 600 8.0 1.0 2.0
6/24/04 12pm 26 / 78.8 8.1 510 7.9 0.2 0.2
7/05/04 5pm 28 / 82.4 7.65 590 7.8 <1.0 0.4
7/30/04 9am 26 / 78.8 7.85 * 7.7 1.0 0.2
8/15/04 7pm 25 / 77 9.9 590 7.7 0.15 0.2
8/30/04 5pm 29 / 84.2 8.15 590 8.0 <1.0 <0.1
10/03/04 10am 24.5 / 76.1 7.9 490 7.8 <1.0 <0.1
10/10/04 2pm 22.5 / 72.5 9.8 590 7.8 0.5 4.0
10/30/04 10am 24 / 75.2 8.1 600 7.8 <1.0 <0.1
12/04/04 3pm 17 / 62.6 9.9 600 7.8
12/18/04 10am 16 / 60.8 7.3 560 8.0 <1.0 <0.1
12/29/04 1pm 18.5 / 65.3 10.9 600 7.9 1.0 0.1

Martindale

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Falls at Martindale            
5/3/00 10am 20 / 68 7.5 280 7.8 1.0 <0.1
5/15/00 10am 22.5 / 72.5 8.1 550 7.8 4.0 <0.1
6/22/00 9am 25.5 / 77.9 6.9 550 7.8 2.0 <0.1
7/21/00 9am 26 / 79 7.6 540 7.8 2.0 <0.1
9/13/00 11am 26 / 79 7.4 550 7.8 2.0 0.8
10/21/00 11am 21.5 / 70.7 8.5 580 7.8 2.0 0.1
12/31/00 11am 13 / 55.4 10.4 560 7.8 1.0 <0.1
2/19/01 9am 15.5 / 59.9 10.2 540 7.8 1.0 0.5
3/24/01 9am 19.5 / 67.1 9.5 550 7.8 1.0 0.5
6/17/01 12pm 25 / 77 8.9 560 7.8 1.0 <0.1
1/21/02 8am 16 / 60.8 9.5 570 8.0 <1.0 <0.1
8/11/02 12pm 25.5 / 77.9 7.8 530 7.75 <1.0 0.8
Martindale Dam            
4/20/04 4pm 23 / 73.4 6.85 580 7.8 <1.0 <0.3
4/30/04 9am 24 / 75.2 8.15 500 8.5 1.0 1.2
6/02/04 7am 25 / 77 7.65 540 8.0 1.0 *
6/29/04- flood
7/29/04 5pm 27 / 80.6 8.0 510 8.0 1.0 2.5
8/29/04 7am 24 / 75.2 7.9 520 8.0 <1.0 <0.1
9/18/04 7am 24 / 75.2 7.8 600 8.0
10/07/04 8am 20 / 68 8.5 580 8.0 <0.1
11/14/04 8am 17 / 62.6 9.7 550 8.0 <1.0 <0.1
12/11/04 8am 16.5 / 61.7 9.6 550 <8.5

FM 1977 Crossing

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
1977 Crossing            
6/4/00 3pm 27 / 80.6 6.8 550 7.8 2.0 *
6/29/00 4pm 27 / 80.6 6.4 530 7.8 <2.0 <0.1
7/27/00 1pm 28 / 82.4 7.3 530 7.8 <1.0 0.4
8/25/00 1pm 27 / 80.6 7.6 540 7.8 <1.0 0.4
9/27/00 1pm 22 / 71.6 8.0 560 7.8 <1.0 0.3
10/27/00 1pm 23 / 73.4 6.7 550 7.8 1.0 0.5
11/20/00 1pm 15 / 59 9.3 540 7.8 <1.0 <0.1
12/21/00 3pm 14 / 57.2 9.2 550 7.8 <1.0 <0.1
2/10/01 12pm 16 / 60.8 9.5 550 7.8 <1.0 <0.1
4/08/01 2pm 23 / 73.4 7.4 550 7.8 1.0 <0.1
6/05/01 3pm 25 / 77 7.0 560 7.8 1.0 0.7
6/30/01 1pm 26 / 78.8 7.1 540 7.8 1.0 <0.1
8/03/01 2pm 26 / 78.8 7.2 530 7.8 1.0 0.5
8/11/02 6pm 26.5 / 79.7 7.2 540 7.8 3.0 0.3
12/31/02 5pm 16 / 60.8 9.3 540 7.8 <1.0 <0.1
1/28/03 5pm 16 / 60.8 8.7 550 7.8 <2.0 <0.1
3/25/03 6pm 21 / 69.8 8.15 580 7.9 <2.0 0.1
6/17/03 5pm 26 / 78.8 6.9 530 7.6 <1.0 1.3
7/14/03 6pm 27.5 / 81.5 7.8 510 7.9 <2.0 0.4
8/12/03 6pm 25.5 / 77.9 6.8 * 7.9 <2.0 0.1
9/09/03 6pm 25.5 / 77.9 7.4 570 7.9 <2.0 2.5
10/07/03 6pm 24 / 75.2 7.2 570 7.8 <4.0 2.5
12/02/03 2pm 19 / 66.2 8.8 590 7.9 <1.0 1.1
12/30/03 6pm 15 / 59 9.0 540 7.8 <4.0 2.5
1/27/04 2pm 16 / 60.8 9.8 540 7.4 <1.0 .11
3/23/04 3pm 20.5 / 68.9 7.8 560 7.9 <2.0 0.5
4/20/04 5pm 22 / 71.6 6.45 510 7.9 * 0.4
5/15/04 3pm 24 / 75.2 6.5 490 7.9 <1.0 0.5
6/14/04 - flood
8/10/04 6pm 26 / 78.8 6.3 570 7.8 <1.0 <0.1
10/04/04 - flood

Hwy 20

Monitoring Site/ Water Temp Dissolved Oxygen Conductivity pH Nitrate-N Phosphates
Date/am/pm oC / oF mg/L µS/cm Std. Units ppm mg/L
Hwy 20            
4/18/00 9am 23 / 73.4 7.7 560 8.0 2.0 <0.1
5/16/00 9am 25 / 77 7.0 520 8.0 <1.0 <0.1
7/10/00 9am 27 / 80.6 7.0 520 8.0 <1.0 <0.1
8/07/00 9am 28 / 82.4 7.4 520 8.0 <1.0 <0.1
9/05/00 9am 28 / 82.4 6.5 520 8.0 <1.0 <0.1
10/02/00 10am 24 / 75.2 8.1 520 8.0 <1.0 <0.1
10/31/00 9am 24 / 75.2 8.2 570 8.0 <1.0 <0.1
11/28/00 9am 18 / 64.4 9.8 520 8.0 <1.0 <0.1
12/24/00 3pm 11 / 51.8 11.5 560 8.0 1.0 <0.1
1/21/01 11am 14 / 57.2 11.3 530 8.0 <1.0 <0.1
2/20/01 11am 18.5 / 65.3 9.4 530 8.0 <1.0 <0.1
3/20/01 11am 16 / 60.8 11.1 520 8.0 <1.0 1.0
4/18/01 9am 17 / 62.6 9.0 540 8.0 <1.0 <0.1
5/15/01 10am 25 / 77 7.5 510 8.0 <1.0 <0.1
6/11/01 11am 26 / 79 8.0 550 8.0 <1.0 <0.1
7/09/01 9am 26.5 / 79.7 7.1 550 8.0 <1.0 <0.1
8/06/01 9am 27 / 80.6 6.8 540 8.0