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Patuxent River Near Unity, 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 53.25
01-02 86.15
01-03 45.97
01-04 45.72
01-05 46.26
01-06 42.68
01-07 54.95
01-08 40.69
01-09 41.63
01-10 112.1
01-11 48.71
01-12 63.77
01-13 63.06
01-14 50.07
01-15 45.78
01-16 46.07
01-17 46.6
01-18 44.7
01-19 43.52
01-20 72.5
01-21 48.71
01-22 40.96
01-23 38.08
01-24 41.6
01-25 58.46
01-26 56.6
01-27 47.87
01-28 45.49
01-29 54.17
01-30 44.01
01-31 196.33
02-01 58.96
02-02 50.22
02-03 43.92
02-04 84.18
02-05 61.71
02-06 60.27
02-07 56.03
02-08 54.72
02-09 47.12
02-10 47.22
02-11 45.53
02-12 51.86
02-13 61.13
02-14 51.42
02-15 43.82
02-16 52.71
02-17 68.62
02-18 60.22
02-19 49.22
02-20 57.36
02-21 49.24
02-22 44.85
02-23 51.09
02-24 52.74
02-25 76.39
02-26 52.27
02-27 56.05
02-28 51.12
02-29 48.98
03-01 76.08
03-02 58.17
03-03 54.15
03-04 65.88
03-05 64.55
03-06 59.68
03-07 58.17
03-08 50.95
03-09 56.46
03-10 91.23
03-11 102.23
03-12 63.4
03-13 63.43
03-14 53.78
03-15 59.25
03-16 52.51
03-17 58.81
03-18 47.54
03-19 50.9
03-20 47.45
03-21 46.37
03-22 78.75
03-23 47.49
03-24 49.55
03-25 51.88
03-26 48.34
03-27 45.43
03-28 44.92
03-29 47.3
03-30 51.91
03-31 94.9
04-01 55.93
04-02 53.01
04-03 57.77
04-04 54.44
04-05 47.92
04-06 45.97
04-07 51.88
04-08 56.97
04-09 46.95
04-10 44.82
04-11 40.92
04-12 42.78
04-13 43.56
04-14 45.4
04-15 42.56
04-16 46.47
04-17 44.82
04-18 40.48
04-19 41.33
04-20 56.5
04-21 40.74
04-22 37.24
04-23 42.91
04-24 37.53
04-25 37.37
04-26 39.64
04-27 39.71
04-28 36.51
04-29 44.04
04-30 48.45
05-01 157.27
05-02 55.8
05-03 48.43
05-04 45.97
05-05 43.73
05-06 51.52
05-07 67.83
05-08 58.82
05-09 48.1
05-10 43.39
05-11 55.71
05-12 48.45
05-13 42.2
05-14 53.45
05-15 45.16
05-16 73.35
05-17 52.11
05-18 46.67
05-19 56.86
05-20 48.91
05-21 39.62
05-22 38.89
05-23 78.77
05-24 152.63
05-25 42.73
05-26 43.71
05-27 34.6
05-28 63.23
05-29 44.15
05-30 39.2
05-31 41.19
06-01 31.68
06-02 107.0
06-03 52.89
06-04 55.15
06-05 37.91
06-06 44.44
06-07 34.78
06-08 37.58
06-09 34.93
06-10 29.71
06-11 130.33
06-12 46.62
06-13 38.94
06-14 35.95
06-15 35.91
06-16 28.09
06-17 29.68
06-18 28.38
06-19 36.32
06-20 61.38
06-21 39.4
06-22 29.27
06-23 33.15
06-24 42.14
06-25 32.44
06-26 30.29
06-27 30.48
06-28 33.28
06-29 26.67
06-30 25.1
07-01 23.48
07-02 31.16
07-03 29.41
07-04 34.18
07-05 28.45
07-06 40.29
07-07 39.75
07-08 27.46
07-09 29.27
07-10 28.23
07-11 29.76
07-12 21.94
07-13 20.58
07-14 21.99
07-15 29.7
07-16 19.46
07-17 57.71
07-18 34.98
07-19 18.8
07-20 20.53
07-21 23.84
07-22 140.61
07-23 57.85
07-24 28.75
07-25 30.46
07-26 31.21
07-27 25.3
07-28 20.7
07-29 65.71
07-30 21.94
07-31 129.27
08-01 33.25
08-02 28.46
08-03 19.64
08-04 32.95
08-05 27.69
08-06 21.64
08-07 22.73
08-08 32.87
08-09 21.81
08-10 34.17
08-11 20.79
08-12 18.5
08-13 25.73
08-14 20.89
08-15 25.05
08-16 23.69
08-17 19.1
08-18 40.17
08-19 19.09
08-20 16.12
08-21 17.18
08-22 74.84
08-23 18.2
08-24 21.45
08-25 14.55
08-26 16.08
08-27 13.18
08-28 13.77
08-29 15.51
08-30 14.71
08-31 12.61
09-01 13.02
09-02 24.63
09-03 17.84
09-04 19.67
09-05 13.32
09-06 18.82
09-07 23.56
09-08 62.82
09-09 45.73
09-10 29.45
09-11 21.83
09-12 20.85
09-13 28.75
09-14 18.44
09-15 17.48
09-16 15.69
09-17 61.22
09-18 21.93
09-19 21.3
09-20 16.06
09-21 14.98
09-22 16.24
09-23 20.49
09-24 29.6
09-25 21.59
09-26 22.19
09-27 32.9
09-28 72.88
09-29 26.35
09-30 75.87
10-01 15.3
10-02 16.01
10-03 24.65
10-04 18.37
10-05 23.76
10-06 19.33
10-07 18.48
10-08 20.62
10-09 17.76
10-10 17.79
10-11 24.74
10-12 61.31
10-13 21.86
10-14 31.68
10-15 23.52
10-16 23.72
10-17 21.55
10-18 18.92
10-19 18.51
10-20 23.13
10-21 21.57
10-22 18.73
10-23 20.14
10-24 18.49
10-25 18.2
10-26 23.35
10-27 21.26
10-28 23.48
10-29 76.55
10-30 249.85
10-31 39.94
11-01 195.21
11-02 28.32
11-03 58.31
11-04 24.94
11-05 20.36
11-06 28.39
11-07 29.69
11-08 31.13
11-09 24.83
11-10 29.9
11-11 26.35
11-12 32.54
11-13 35.26
11-14 30.64
11-15 26.9
11-16 62.16
11-17 38.4
11-18 32.78
11-19 29.25
11-20 27.64
11-21 25.73
11-22 39.52
11-23 52.94
11-24 33.9
11-25 79.51
11-26 30.96
11-27 38.07
11-28 33.24
11-29 28.07
11-30 31.47
12-01 46.49
12-02 36.14
12-03 33.83
12-04 30.96
12-05 29.68
12-06 30.02
12-07 39.46
12-08 106.21
12-09 33.08
12-10 39.44
12-11 47.76
12-12 34.82
12-13 29.09
12-14 28.84
12-15 37.46
12-16 186.72
12-17 61.24
12-18 126.98
12-19 42.0
12-20 36.03
12-21 44.18
12-22 50.02
12-23 129.11
12-24 59.97
12-25 87.48
12-26 68.08
12-27 112.95
12-28 64.92
12-29 54.01
12-30 60.24
12-31 48.17

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index