SITE: 292
Pedernales River at Buffalo Crossing
Hydromet Rainfall
Hydromet Flow
Graph Data
Images
Date
Time
Air Temp (C)
Water Temp (C)
Flow
pH
GTLT
Nitrates-N (mg/L)
DO Avg (mg/L)
DO % Sat
Cond (µS/cm)
Days Since Rain
Field Rain Gauge (in.)
GTLT
Secchi (M)
GTLT
Transparency (M)
E.coli (cfu's)
7/30/2021
10:00
33
30
1
6.75
<
1
5.8
75.4
470
8
0
=
0.47
0
6/30/2021
11:00
30
28.5
2
6.75
<
1
6
76.2
450
7
0.75
<
=
0.43
10
5/31/2021
18:00
19.5
22
5
<
1
6.65
75.81
512
2
2.5
>
1.5
230
4/29/2021
16:00
24
20
1
6.75
<
1
7.45
81.95
7
>
1.2
30
1/31/2021
14:40
19
5
2
512
<
1
8.4
67.2
540
14
0
<
=
205
20
11/27/2020
14:00
19.5
18
2
7.25
<
1
7.65
81.09
540
14
0
=
0.39
70
10/31/2020
14:36
24
19.5
2
6.75
<
1
8.1
88.29
480
10
=
1.22
30
7/31/2020
11:00
34.5
32
1
6.75
<
1
6.45
86.43
580
10
0
=
=
417
80
6/30/2020
14:28
31
30
1
6.75
<
1
6.2
80.6
330
5
0
=
225
50
5/10/2020
17:00
24
25
1
6.75
<
1
7.5
90
500
14
0
=
=
396.5
0
1/27/2020
15:00
29
29
1
6.75
6.5
83.2
500
10
0.01
=
0.42
50
1/19/2020
16:00
12
14.75
1
6.75
=
1
8
79.6
0
14
0.75
=
=
503
153.25
11/10/2019
12:00
31
29.5
2
6.75
<
1
6.65
85.79
550
14
0
=
550
10
11/2/2019
10:00
31
27.5
1
6.75
<
1
6.7
83.75
560
30
0
=
0.675
0
10/2/2019
10:30
31
27.5
1
6.75
<
1
6.7
83.75
560
30
0
=
0.2
0
9/1/2019
12:00
33
30
1
6.75
<
1
6.6
85.8
520
14
0
=
0.41
0
7/30/2019
12:00
29.5
1
6.75
<
1
7.32
94.43
500
14
0
=
0.46
20
6/30/2019
14:15
27
29
1
6.75
<
1
7.2
92.16
450
5
0.2
=
0.558
10
5/29/2019
19:00
31
26
2
6.75
<
1
6.8
82.96
500
14
=
0.338
20
3/23/2019
13:30
23
21
1
6.75
<
1
7.75
86.8
610
14
0
=
0.44
20
2/3/2019
13:00
21
6
1
6.75
<
1
9
73.8
540
6
0.01
=
0.66
0
12/31/2018
16:00
12.5
12.7
2
6.75
<
1
9.1
86.81
500
1
0.5
=
460.2
120
11/30/2018
15:00
24
16.5
1
6.75
<
1
9.4
96.82
530
10
0
=
0.41
40
10/31/2018
10:00
25
21.5
1
6.75
<
1
8.8
99.44
8.8
7
0
=
0.46
0
9/30/2018
16:00
30
25
1
6.75
<
1
7
84
490
3
0.25
>
1.22
0
8/31/2018
13:00
35
36
1
6.75
<
1
6.2
88.04
560
14
0
117
0
7/15/2018
14:00
37
31
1
7
<
1
8
105.6
580
4
0.1
>
1.22
5/28/2018
18:00
36
30
1
6.75
<
1
6.2
80.6
530
14
0
=
1.22
50
2/28/2018
14:00
12
18
1
6.75
<
1
7.9
83.74
600
3
0.75
=
1.16
10
1/25/2018
16:00
13
13
1
6.8
=
1
9.4
90.24
600
14
0
=
0.26
0
11/24/2017
14:00
22
18
1
6.75
<
1
8.6
91.16
530
25
0
>
=
324
0
10/31/2017
17:00
26
20.25
1
6.5
8.3
91.72
500
14
0.2
=
0.31
50
9/29/2017
16:00
23
26
2
6.57
<
1
6.45
78.69
450
2
1.5
=
0.321
60
8/23/2017
14:00
33
31
2
6.5
<
1
6.2
430
14
0
=
0.31
10
6/26/2017
15:00
33
29.5
1
6.75
<
1
6.8
87.72
510
14
0.4
=
0.51
0
5/28/2017
13:00
33.5
27
1
6.75
<
1
7.3
90.52
480
10
0.1
=
0.422
0
4/23/2017
19:00
22
22.5
1
6.75
<
1
6.35
73.02
440
14
0.1
=
340
0
3/31/2017
09:00
26
21.5
1
6.75
<
1
6.8
76.84
490
14
0
=
0.435
40
1/30/2017
18:00
18
15.5
1
6.75
<
1
7.7
77.77
550
14
0.1
=
0.39
10
12/31/2016
13:50
24.5
17
1
6.75
<
1
7.1
73.84
540
14
0
=
0.35
30
11/30/2016
17:30
15
17
1
6.75
<
1
7.55
78.52
410
14
0
=
0.37
50
10/30/2016
12:00
30.5
25.5
1
6.75
<
1
7.45
90.15
480
30
0
=
0.36
0
9/30/2016
15:00
28
27.5
1
6.8
<
1
7.2
90
580
7
0
=
0.44
10
8/29/2016
12:00
30
30
1
7.25
<
1
6.6
85.8
480
10
0
=
0.64
30
7/29/2016
10:00
34
33
1
7.25
<
1
6.7
91.12
490
0.25
0
=
652
20
4/30/2016
17:00
22.5
22
2
6.8
<
1
6.35
72.39
460
6
0
=
0.66
110
3/29/2016
09:00
18.5
20
2
7.25
<
1
8.2
90.2
330
14
0
=
0.62
30
2/29/2016
17:30
23
17.5
1
7.2
<
1
8.9
93.45
540
0.14
0
=
0.65
0
1/30/2016
16:30
26
15
1
7.5
<
1
9.15
91.5
540
20
0
=
1.2
40
12/13/2015
16:00
16.5
16.5
2
7.4
<
1
7.75
79.82
400
1
1.2
=
0.86
180
9/25/2015
16:00
28
28.5
1
0
<
1
7.05
89.54
480
25
0
=
0.5
30
8/31/2015
17:00
36
31
1
7.6
<
1
6.7
88.44
490
14
0
=
422
70
7/26/2015
16:00
36
31
2
7.6
<
1
6.7
88.44
480
25
0
=
0.411
90
6/7/2015
16:00
33.5
29.5
2
7.6
<
1
6
77.4
490
7
0
>
1.22
70
4/19/2015
18:00
27.5
22.5
3
7.2
<
1
7.2
82.8
430
1
0.75
=
0.9
100
3/6/2015
13:30
11
12.5
2
7.5
<
1
9.8
93.1
520
14
0.5
=
0.7
10
3/1/2015
12:00
19.5
15
2
7.5
<
1
8.6
86
530
2
1.2
=
0.61
60
1/3/2015
12:00
14
11.5
2
7.6
<
1
9.6
89.28
610
14
0.2
=
0.72
60
12/5/2014
16:00
23
18
1
7.7
<
1
7.3
77.38
440
14
0
=
0.5
50
10/29/2014
10:00
25
24
2
7.4
<
1
7.2
84.96
470
14
0
=
0.333
70
8/31/2014
16:00
36
35
1
7.6
<
1
5.95
83.3
490
14
0
=
0.325
10
7/31/2014
14:00
28
27.5
1
7.3
<
1
6.3
78.75
490
14
0
=
0.285
0
6/29/2014
17:30
34.5
30
2
7.6
<
1
6.15
79.95
490
8
0
=
0.325
10
4/30/2014
16:00
23
22
2
7.8
<
1
8.05
91.77
590
30
0
=
0.59
0
3/30/2014
17:00
21
26
2
7.8
<
1
8.4
102.48
580
14
0
=
0.445
10
2/23/2014
16:00
26
21
2
7
<
1
6.9
77.28
580
14
0
=
0.634
0
1/31/2014
13:00
22
13.5
2
7.3
<
1
9.7
94.09
590
14
0
=
0.52
0
12/30/2013
12:00
17
14
2
7.5
=
1
8.7
85.26
550
14
0
=
0.304
0
11/30/2013
10:30
14.5
12
1
7.8
<
1
9.75
91.65
510
9
0.2
=
0.545
20
9/28/2013
17:00
32
29
2
7.8
<
1
6.7
85.76
460
7
0
=
0.455
20
9/1/2013
09:00
36
31
1
7.8
<
1
6.3
83.16
460
10
0
=
0.42
0
7/28/2013
11:00
33
29
1
7.7
<
1
6
76.8
420
7
0.3
=
0.39
70
7/4/2013
10:00
31
26.5
1
7.6
<
1
6.2
76.26
450
14
0
=
0.38
10
6/1/2013
17:00
32
25
2
7.6
<
1
5.8
69.6
530
7
0
=
0.365
10
4/28/2013
16:00
19
25
2
7.6
<
1
6.4
76.8
590
14
0
=
0.26
80
3/31/2013
13:00
27
21.5
2
7.7
<
1
7.3
82.49
580
14
0
=
0.67
10
2/28/2013
16:00
18
18
2
7.8
<
1
7.55
80.03
620
21
0
=
0.695
20
1/31/2013
17:00
15
11
2
8
<
1
9
82.8
570
14
0
0
12/23/2012
13:00
23
21
2
7.4
<
1
8.5
95.2
550
30
0
=
0.752
0
10/31/2012
11:00
26
20
1
7.4
<
1
7.2
79.2
510
14
0
=
0.266
0
9/30/2012
18:30
30
26
2
7.4
<
1
6.65
81.13
400
14
0.9
=
0.344
50
8/27/2012
17:30
35
31.5
1
8.2
<
1
7.3
97.09
520
30
0
=
0.445
0
6/24/2012
16:00
35
32
2
7.6
<
1
6.2
83.08
470
30
0
=
0.441
20
5/4/2012
11:00
30
27
2
7.5
<
1
5.7
70.68
530
14
0
=
0.42
0
3/31/2012
14:00
31
26
2
7.5
<
1
6.7
81.74
480
15
0.25
=
0.297
20
2/28/2012
16:00
18
16
2
7.5
<
1
9.05
92.31
550
14
0
=
0.525
0
1/30/2012
17:00
15
13.5
2
7.5
<
1
9
87.3
550
5
0
=
0.517
70
12/31/2011
13:30
16
13
1
7.6
<
1
9.05
86.88
680
30
0
=
0.053
0
11/29/2011
17:00
16
19
1
7.8
<
1
9.3
100.44
700
7
0
=
0.203
0
10/23/2011
16:30
29
26
1
7.7
<
1
8.75
106.75
650
14
0
=
0.215
140
9/30/2011
13:30
28
24
1
7.7
<
1
7.25
85.55
690
30
0
=
0.111
0
8/31/2011
08:00
27
27
1
7.9
<
1
5.6
69.44
650
30
0
=
0.166
0
7/22/2011
18:30
37.5
32
1
7.8
<
1
8.3
111.22
640
90
0.2
=
0.157
0
6/26/2011
16:00
36.5
32.5
1
7.6
<
1
7.6
102.6
660
121
0
=
0.184
0
5/28/2011
16:30
38
29.5
2
7.7
<
1
6.6
85.14
640
35
0
=
0.235
0
4/25/2011
14:30
31
25.5
2
7.8
<
1
5.65
68.37
650
35
0
=
0.225
0
3/24/2011
14:50
29
24
1
8
<
1
7.3
86.14
21
0
=
0.264
10
2/25/2011
16:00
19.5
18.5
1
7.8
<
1
7.45
79.72
610
21
0.2
=
0.338
0
1/27/2011
15:00
16
15.5
1
7
<
1
7.9
79.79
600
21
0
=
0.224
0
12/19/2010
16:30
17
12
1
7.8
<
1
9.2
86.48
630
30
0
=
0.533
0
11/21/2010
17:30
27
18
1
7.6
<
1
7.22
76.53
600
21
0
=
0.268
0
10/23/2010
15:45
27
24.5
1
7.7
<
1
6.75
80.32
510
14
0.2
=
0.278
0
9/28/2010
18:30
28
27
1
7.5
<
1
6.4
79.36
470
7
0
=
0.217
0
8/24/2010
08:00
24
31.5
2
7.6
<
1
5.35
71.155
460
15
0
=
0.595
0
7/25/2010
19:00
35
31
3
7.6
=
1
6.25
82.5
555
7
0
=
0.49
0
6/20/2010
18:30
34
30
3
7.7
<
1
6.225
80.925
550
7
0
=
0.489
0
5/17/2010
17:00
32
29.5
2
7.4
<
1
6.6
85.14
540
4
1.5
=
0.282
10
4/25/2010
18:00
25
23
3
7.5
<
1
6.25
72.5
540
2
0.44
=
0.018
40
3/11/2010
13:00
19
18.5
2
8
<
1
7.9
84.53
530
3
0.5
=
0.8
20
2/21/2010
16:00
24
14.5
3
7.6
<
1
8.35
82.665
580
10
0
=
0.76
10
1/10/2010
17:00
9
7
2
7.1
<
1
9.2
77.28
610
14
0
=
0.859
0
12/13/2009
17:00
14.5
14
2
7.9
=
1
8.6
84.28
570
4
0
=
0.954
0
11/15/2009
13:30
28.5
19.5
3
7.6
<
1
530
8
0
=
0.459
40
10/19/2009
17:00
29.5
22.5
1
7.6
<
1
6.65
76.475
510
6
0
=
0.242
10
9/20/2009
15:00
33
28
2
7.6
<
1
5.8
73.08
400
7
0
=
0.159
20
8/9/2009
17:00
38
31
1
7.8
<
1
5.45
71.94
630
14
0
=
0.15
10
7/5/2009
17:00
40.5
34
2
8
<
1
6.9
95.22
600
3
0.99
=
0.324
30
6/6/2009
15:00
34.5
29.5
2
8
<
1
6.2
79.98
570
14
0
=
0.173
0
5/10/2009
17:35
32.5
29
2
7.8
<
1
4.55
58.24
470
12
0
=
0.103
10
4/5/2009
12:00
21
19
2
8.1
<
1
6.8
73.44
680
7
0
=
0.171
20
3/7/2009
13:00
27.5
19
2
8.1
<
1
6.9
74.52
730
90
0.04
=
0.161
20
2/9/2009
18:00
26
17.5
2
7.9
<
1
7
73.5
730
7
0.18
=
0.132
10
1/15/2009
18:00
9.75
9.25
2
8
<
1
9.15
80.9775
760
7
0
=
0.14
0
10/13/2008
18:45
29.4
24
2
7.8
<
1
6.3
74.34
720
6
0
=
0.23
0
8/28/2008
11:15
31.6
29.8
2
7.8
<
1
5.4
69.984
680
8
0
=
0.17
0
7/28/2008
10:45
33
30
2
7.6
<
1
5.3
68.9
670
4
0
=
0.229
0
6/27/2008
11:00
33.3
29
1
7.7
<
1
4.55
58.24
680
44
0
>
0.165
0
5/30/2008
11:50
31.7
29
3
7.8
<
1
5.45
69.76
630
15
0
=
0.34
0
5/2/2008
12:30
22.8
22
3
7.9
<
1
6.1
69.54
580
5
0
=
0.225
0
3/28/2008
12:00
21
19
3
7.8
<
1
7.3
78.84
620
10
0
=
0.35
0
2/28/2008
11:30
18.2
16
3
7.9
<
1
8.35
85.17
640
28
0
=
0.35
30
1/28/2008
11:45
17.8
13
3
7.6
<
1
10
96
520
9
0
=
0.49
40
1/3/2008
11:45
7
9
3
7.6
<
1
10.7
94.16
560
19
0
=
0.28
80
12/11/2007
11:25
21.7
17
3
7.7
<
1
8.1
84.24
560
16
0.04
=
0.35
0
11/7/2007
12:00
22
19.6
3
8.2
<
1
8.75
95.55
530
17
0
=
0.39
0
10/15/2007
11:45
27.2
25.5
3
7.9
<
1
6.25
75.625
540
13
0
=
0.315
100
9/13/2007
09:45
22.8
27
3
8
<
1
7
86.8
490
2
0.51
0.64
50
8/5/2007
11:15
31
29
3
7.8
<
1
5.25
67.2
490
7
0.08
50
7/2/2007
10:45
27.2
27
4
7.8
<
1
5.1
63.24
390
1
0.6
2680
5/31/2007
13:30
29.4
30
3
7.6
<
1
4.45
57.85
450
3
1.1
110
4/29/2007
11:45
27
24
3
8.2
<
1
7.1
83.78
530
4
0
60
3/31/2007
12:10
18.8
19
5
8
<
1
6.7
72.36
260
1
2.1
870
3/3/2007
12:15
12.5
14
2
8.3
<
1
9.2
90.16
610
31
0
10
2/4/2007
12:30
15.6
11
2
8.2
<
1
9.8
90.16
560
10
0
0
1/2/2007
13:00
10.5
12
2
8.1
<
1
8.75
82.25
630
3
0.47
90
12/2/2006
12:45
12
13
2
8
<
1
8.7
83.52
560
3
0.16
0
10/30/2006
12:30
25
20
2
7.7
<
1
5.65
62.15
540
5
0
90
9/28/2006
12:05
26.6
25
2
8.2
<
1
6.35
76.2
5
0
0
8/28/2006
09:55
29.4
29
Low
8
4.3
55.04
690
30
0
0
7/29/2006
12:30
36
29.5
Low
8.2
<
1
6.2
79.98
680
7
0
0
6/30/2006
12:15
31
29
Low
8.3
<
1
5.85
74.88
590
6
0
0
5/29/2006
13:00
35
29
Low
8.2
<
1
5.7
72.96
540
20
0.04
4/27/2006
13:45
23
21
Low
8.2
<
1
7.15
80.08
570
7
0
50
3/27/2006
13:45
22
18
Low
8.2
<
1
8.15
86.39
650
8
0
0
2/27/2006
12:30
20
15
Low
8.2
<
1
8.55
85.5
660
2
0.6
20
1/29/2006
12:30
22
15
Low
8.2
<
1
8.9
89
670
1
0.79
70
12/27/2005
13:30
26.5
15
Low
7.8
<
1
8.9
89
690
31
0
0
11/27/2005
12:00
25
18
Low
7.8
<
1
7.15
75.79
670
1
0.55
30
10/28/2005
12:00
19
17.5
Low
8.4
<
1
8.1
85.05
640
16
0
10
9/29/2005
12:10
22
27
No Flow
8.6
<
1
6.05
75.02
620
18
0
0
8/29/2005
13:15
31
30
No Flow
8.6
<
1
5.15
66.95
530
17
0.04
10
7/25/2005
09:45
28.3
29.5
Low
8.5
<
1
5.45
70.305
620
4
0
0
6/27/2005
11:45
33
31
Low
8.5
<
1
4.9
64.68
590
26
0
0
5/26/2005
12:00
28.1
28.5
Low
8.4
<
1
5.7
72.39
570
12
0
30
4/29/2005
11:30
28
24
Low
8.4
<
1
7.35
86.73
570
18
0
0
3/31/2005
12:00
27.2
23
Low
8.4
<
1
6.75
78.3
570
5
0
0
2/28/2005
12:30
16
17
Low
8.4
<
1
9.05
94.12
560
0
0.67
80
1/29/2005
12:00
10.8
11.5
No Flow
8.3
<
1
10
93
550
2
1.95
110
12/26/2004
13:30
15
8.5
No Flow
8.3
<
1
10.65
92.655
540
4
0
50
11/9/2004
12:30
23.2
21
Low
8.5
<
1
7.65
85.68
440
8
0
20
10/28/2004
14:15
29.5
26
Low
8.4
<
1
6.2
75.64
470
1
0.43
10
9/28/2004
11:30
26.8
26
Low
8.4
<
1
5.95
72.59
540
14
0
0
8/27/2004
10:15
30.9
24.5
Normal
8.6
<
1
7.25
86.275
520
5
0
50
7/29/2004
11:30
31
30
Low
8.4
<
1
5.9
76.7
450
0
0
10
6/29/2004
09:30
26.5
25
Low
8.3
<
1
6.1
73.2
380
1
0.32
110
5/30/2004
11:00
26
26.5
Low
8.4
<
1
6.2
76.26
490
16
0
10
5/2/2004
09:00
12.8
18
Low
8.4
<
1
7.5
79.5
440
1
0.82
3/26/2004
11:45
25
20
Low
8.4
<
1
8.15
89.65
500
2
0.28
10
2/26/2004
11:30
9.7
12
Low
8.4
<
1
9.6
90.24
500
2
0.75
120
1/29/2004
11:00
10.2
10
No Flow
8.4
<
1
10
90
570
5
0
10
12/27/2003
10:30
21.1
13
No Flow
8.3
<
1
9.3
89.28
580
15
0
10
11/28/2003
10:10
9.7
11.5
No Flow
8.3
<
1
10.45
97.185
550
11
0
0
10/25/2003
10:00
22.9
22
No Flow
8.3
<
1
7.05
80.37
400
13
0
0
9/26/2003
10:40
23.2
24
No Flow
8.3
<
1
6.3
74.34
450
4
0
10
8/30/2003
10:10
29.2
30
No Flow
8.8
1
6.5
84.5
530
6
0
41
8/1/2003
10:00
30
28
No Flow
8.6
1
4.95
62.37
570
8
0
0
5/31/2003
10:00
29.4
27
No Flow
8.9
<
1
6.7
83.08
580
5
0
10
4/22/2003
11:00
18
21
No Flow
8.6
<
1
6.9
77.28
570
0
0.1
30
3/11/2003
10:33
15.9
14
No Flow
1
8
0
280
1/20/2003
11:00
20
11.5
Low
8.2
1
10.8
100.44
560
8
0
11/25/2002
11:33
10.22
13
Low
8.2
<
1
9.4
90.24
480
20
0
20
10/21/2002
16.5
18
Low
8.4
450
0
1.25
1240
© 1996- Lower Colorado River Authority. All rights reserved.