Overview Realtime Historical Map View

Nw Branch Anacostia River Near Colesville, Md Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 23.5
01-02 68.14
01-03 15.57
01-04 31.9
01-05 18.78
01-06 15.12
01-07 24.86
01-08 13.72
01-09 14.65
01-10 69.04
01-11 24.31
01-12 31.02
01-13 36.94
01-14 16.27
01-15 17.12
01-16 25.83
01-17 40.35
01-18 18.65
01-19 15.77
01-20 81.02
01-21 19.08
01-22 19.71
01-23 14.03
01-24 19.35
01-25 23.53
01-26 24.15
01-27 16.76
01-28 17.91
01-29 19.41
01-30 16.08
01-31 98.81
02-01 36.31
02-02 24.04
02-03 19.39
02-04 44.78
02-05 34.3
02-06 25.49
02-07 22.72
02-08 22.4
02-09 16.31
02-10 16.23
02-11 25.46
02-12 25.74
02-13 31.71
02-14 26.2
02-15 19.9
02-16 82.33
02-17 29.8
02-18 29.35
02-19 20.87
02-20 29.41
02-21 26.49
02-22 31.57
02-23 30.24
02-24 27.75
02-25 46.01
02-26 21.1
02-27 35.32
02-28 18.81
02-29 20.97
03-01 53.94
03-02 36.16
03-03 28.57
03-04 40.61
03-05 38.17
03-06 25.51
03-07 26.24
03-08 20.07
03-09 23.93
03-10 47.9
03-11 50.18
03-12 21.09
03-13 24.61
03-14 19.4
03-15 20.6
03-16 16.74
03-17 40.76
03-18 16.62
03-19 22.59
03-20 22.3
03-21 22.07
03-22 36.59
03-23 19.84
03-24 21.15
03-25 36.86
03-26 21.68
03-27 17.16
03-28 18.85
03-29 22.56
03-30 32.97
03-31 60.26
04-01 36.42
04-02 20.8
04-03 21.05
04-04 22.04
04-05 17.78
04-06 38.47
04-07 23.03
04-08 38.47
04-09 19.53
04-10 18.13
04-11 15.25
04-12 18.31
04-13 17.25
04-14 19.99
04-15 19.83
04-16 40.33
04-17 18.85
04-18 15.04
04-19 24.99
04-20 40.33
04-21 17.97
04-22 16.27
04-23 26.5
04-24 20.18
04-25 19.99
04-26 22.02
04-27 17.78
04-28 15.32
04-29 25.1
04-30 15.41
05-01 122.11
05-02 21.11
05-03 97.75
05-04 37.74
05-05 20.97
05-06 39.65
05-07 59.13
05-08 23.64
05-09 18.11
05-10 17.54
05-11 37.63
05-12 30.43
05-13 19.09
05-14 41.59
05-15 24.64
05-16 50.99
05-17 22.85
05-18 16.55
05-19 41.4
05-20 26.46
05-21 22.64
05-22 17.84
05-23 33.51
05-24 28.5
05-25 17.74
05-26 21.93
05-27 13.14
05-28 30.84
05-29 28.84
05-30 22.13
05-31 26.15
06-01 12.97
06-02 48.43
06-03 28.18
06-04 25.79
06-05 34.05
06-06 21.63
06-07 12.93
06-08 17.06
06-09 35.63
06-10 11.06
06-11 154.9
06-12 25.63
06-13 13.94
06-14 17.23
06-15 35.01
06-16 9.68
06-17 10.51
06-18 13.14
06-19 24.4
06-20 13.8
06-21 40.7
06-22 9.6
06-23 36.0
06-24 21.43
06-25 9.33
06-26 21.72
06-27 15.18
06-28 14.81
06-29 9.57
06-30 11.96
07-01 9.68
07-02 16.5
07-03 107.87
07-04 13.74
07-05 8.65
07-06 11.4
07-07 24.47
07-08 8.08
07-09 75.58
07-10 17.69
07-11 8.05
07-12 8.58
07-13 14.49
07-14 16.65
07-15 27.89
07-16 18.06
07-17 16.49
07-18 10.52
07-19 7.56
07-20 37.0
07-21 7.47
07-22 94.08
07-23 98.67
07-24 35.73
07-25 9.81
07-26 20.84
07-27 7.75
07-28 9.21
07-29 128.91
07-30 11.74
07-31 7.39
08-01 8.99
08-02 51.08
08-03 10.48
08-04 22.02
08-05 27.23
08-06 7.83
08-07 31.74
08-08 58.93
08-09 7.89
08-10 17.71
08-11 11.94
08-12 11.85
08-13 25.2
08-14 10.9
08-15 14.36
08-16 9.48
08-17 158.87
08-18 24.5
08-19 8.7
08-20 5.47
08-21 9.5
08-22 30.84
08-23 13.16
08-24 6.61
08-25 4.57
08-26 5.31
08-27 5.41
08-28 42.46
08-29 8.11
08-30 6.0
08-31 4.46
09-01 7.16
09-02 10.89
09-03 19.44
09-04 18.71
09-05 4.69
09-06 16.14
09-07 16.34
09-08 40.21
09-09 26.51
09-10 12.61
09-11 14.41
09-12 9.12
09-13 20.37
09-14 6.92
09-15 5.43
09-16 4.81
09-17 6.52
09-18 93.34
09-19 9.39
09-20 5.23
09-21 4.51
09-22 9.31
09-23 5.92
09-24 22.25
09-25 12.28
09-26 7.49
09-27 11.91
09-28 59.75
09-29 26.14
09-30 22.84
10-01 10.53
10-02 8.08
10-03 12.89
10-04 16.2
10-05 8.3
10-06 5.61
10-07 5.3
10-08 10.37
10-09 5.58
10-10 6.38
10-11 9.06
10-12 69.7
10-13 22.21
10-14 26.76
10-15 11.5
10-16 16.59
10-17 9.13
10-18 7.02
10-19 6.59
10-20 17.52
10-21 10.67
10-22 9.1
10-23 10.7
10-24 7.51
10-25 6.9
10-26 50.75
10-27 17.7
10-28 10.29
10-29 9.58
10-30 219.1
10-31 19.58
11-01 84.01
11-02 10.59
11-03 37.13
11-04 8.23
11-05 9.19
11-06 10.93
11-07 12.73
11-08 14.34
11-09 8.28
11-10 17.15
11-11 9.55
11-12 41.67
11-13 29.74
11-14 10.8
11-15 8.85
11-16 61.66
11-17 12.31
11-18 11.03
11-19 8.74
11-20 8.11
11-21 7.86
11-22 44.3
11-23 22.04
11-24 26.58
11-25 29.44
11-26 10.77
11-27 44.57
11-28 12.78
11-29 9.2
11-30 11.98
12-01 18.63
12-02 13.95
12-03 20.01
12-04 11.53
12-05 12.77
12-06 10.57
12-07 38.07
12-08 91.3
12-09 12.64
12-10 21.2
12-11 41.3
12-12 11.74
12-13 9.34
12-14 10.03
12-15 28.39
12-16 172.75
12-17 49.49
12-18 154.79
12-19 14.39
12-20 11.66
12-21 35.11
12-22 14.57
12-23 80.55
12-24 25.17
12-25 121.59
12-26 26.55
12-27 57.21
12-28 30.42
12-29 19.12
12-30 25.06
12-31 15.67

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index