Overview Realtime Historical Map View

Casselman River At Grantsville, 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
01-01 201.33
01-02 382.72
01-03 231.71
01-04 238.39
01-05 197.72
01-06 206.88
01-07 165.86
01-08 135.86
01-09 132.79
01-10 187.42
01-11 155.62
01-12 235.47
01-13 261.24
01-14 197.15
01-15 171.76
01-16 168.22
01-17 189.15
01-18 250.93
01-19 262.42
01-20 206.2
01-21 181.0
01-22 156.6
01-23 151.2
01-24 184.5
01-25 251.2
01-26 392.67
01-27 450.4
01-28 350.0
01-29 373.43
01-30 236.29
01-31 300.57
02-01 260.2
02-02 193.2
02-03 204.83
02-04 291.79
02-05 241.75
02-06 163.0
02-07 270.36
02-08 288.67
02-09 257.06
02-10 177.15
02-11 197.97
02-12 372.01
02-13 301.46
02-14 223.22
02-15 171.77
02-16 209.1
02-17 399.38
02-18 358.88
02-19 251.84
02-20 221.28
02-21 265.79
02-22 209.78
02-23 335.0
02-24 231.58
02-25 241.82
02-26 221.5
02-27 209.69
02-28 263.17
02-29 321.75
03-01 485.83
03-02 319.5
03-03 239.25
03-04 241.33
03-05 194.75
03-06 193.81
03-07 164.04
03-08 147.36
03-09 143.08
03-10 234.62
03-11 299.05
03-12 355.38
03-13 304.94
03-14 262.39
03-15 287.63
03-16 229.74
03-17 190.42
03-18 162.86
03-19 162.38
03-20 169.25
03-21 150.21
03-22 153.19
03-23 133.05
03-24 160.11
03-25 185.29
03-26 166.91
03-27 144.07
03-28 159.01
03-29 201.65
03-30 181.69
03-31 167.94
04-01 237.89
04-02 277.33
04-03 271.1
04-04 313.63
04-05 227.07
04-06 195.51
04-07 206.77
04-08 204.86
04-09 190.28
04-10 165.81
04-11 163.47
04-12 153.0
04-13 167.46
04-14 140.26
04-15 181.02
04-16 145.62
04-17 147.98
04-18 156.65
04-19 142.6
04-20 153.48
04-21 150.14
04-22 152.0
04-23 128.76
04-24 119.76
04-25 108.4
04-26 131.11
04-27 171.42
04-28 118.11
04-29 131.01
04-30 201.07
05-01 213.07
05-02 196.57
05-03 191.39
05-04 240.01
05-05 195.63
05-06 257.59
05-07 249.39
05-08 228.24
05-09 223.72
05-10 201.51
05-11 213.4
05-12 266.29
05-13 230.34
05-14 309.8
05-15 244.21
05-16 283.53
05-17 207.75
05-18 245.09
05-19 254.51
05-20 158.64
05-21 133.9
05-22 165.71
05-23 228.8
05-24 147.67
05-25 195.19
05-26 126.43
05-27 130.29
05-28 219.98
05-29 181.86
05-30 121.91
05-31 145.09
06-01 109.54
06-02 78.73
06-03 115.24
06-04 110.41
06-05 67.0
06-06 106.58
06-07 108.69
06-08 73.75
06-09 215.58
06-10 78.48
06-11 110.41
06-12 68.43
06-13 119.94
06-14 93.86
06-15 82.33
06-16 63.57
06-17 158.85
06-18 67.11
06-19 101.93
06-20 81.88
06-21 193.04
06-22 101.75
06-23 97.42
06-24 228.61
06-25 117.32
06-26 71.32
06-27 59.38
06-28 112.92
06-29 131.2
06-30 97.96
07-01 72.46
07-02 53.86
07-03 54.87
07-04 42.64
07-05 64.11
07-06 106.06
07-07 80.34
07-08 71.42
07-09 59.87
07-10 74.75
07-11 67.97
07-12 77.76
07-13 35.46
07-14 56.57
07-15 64.1
07-16 45.7
07-17 33.53
07-18 32.55
07-19 44.74
07-20 29.66
07-21 30.23
07-22 29.86
07-23 69.47
07-24 38.85
07-25 37.88
07-26 30.14
07-27 40.62
07-28 28.07
07-29 77.13
07-30 115.07
07-31 47.36
08-01 66.74
08-02 46.46
08-03 38.01
08-04 33.0
08-05 28.36
08-06 23.93
08-07 24.64
08-08 36.84
08-09 32.2
08-10 18.14
08-11 22.52
08-12 17.36
08-13 31.39
08-14 51.74
08-15 29.07
08-16 23.64
08-17 21.32
08-18 28.65
08-19 29.76
08-20 19.93
08-21 25.03
08-22 56.31
08-23 33.59
08-24 44.2
08-25 26.03
08-26 23.66
08-27 18.09
08-28 22.0
08-29 44.11
08-30 25.21
08-31 24.84
09-01 57.31
09-02 133.18
09-03 32.36
09-04 30.23
09-05 22.33
09-06 24.04
09-07 67.58
09-08 43.28
09-09 130.06
09-10 174.96
09-11 90.44
09-12 52.47
09-13 37.33
09-14 29.45
09-15 25.33
09-16 26.86
09-17 21.45
09-18 68.07
09-19 45.67
09-20 30.68
09-21 23.95
09-22 31.42
09-23 46.9
09-24 29.75
09-25 33.74
09-26 78.88
09-27 46.3
09-28 207.26
09-29 57.75
09-30 165.85
10-01 34.73
10-02 49.35
10-03 59.16
10-04 47.64
10-05 64.56
10-06 38.31
10-07 31.29
10-08 30.19
10-09 38.95
10-10 32.35
10-11 25.98
10-12 61.57
10-13 38.13
10-14 39.52
10-15 89.5
10-16 54.68
10-17 39.27
10-18 43.1
10-19 35.55
10-20 34.29
10-21 28.17
10-22 39.91
10-23 41.59
10-24 35.45
10-25 33.19
10-26 30.3
10-27 36.28
10-28 58.19
10-29 80.59
10-30 176.71
10-31 113.06
11-01 109.43
11-02 73.7
11-03 68.87
11-04 59.65
11-05 46.66
11-06 56.35
11-07 70.32
11-08 83.88
11-09 58.47
11-10 86.9
11-11 71.66
11-12 170.12
11-13 137.32
11-14 92.27
11-15 67.25
11-16 66.72
11-17 85.25
11-18 65.54
11-19 88.31
11-20 115.88
11-21 87.85
11-22 168.86
11-23 154.04
11-24 112.53
11-25 103.94
11-26 95.33
11-27 104.55
11-28 100.65
11-29 76.9
11-30 70.46
12-01 103.03
12-02 127.79
12-03 133.91
12-04 110.99
12-05 94.71
12-06 100.55
12-07 222.1
12-08 176.56
12-09 101.58
12-10 153.51
12-11 151.86
12-12 102.51
12-13 108.97
12-14 96.73
12-15 140.6
12-16 207.33
12-17 190.25
12-18 173.23
12-19 153.41
12-20 124.42
12-21 214.22
12-22 186.58
12-23 133.92
12-24 134.65
12-25 209.88
12-26 213.52
12-27 177.67
12-28 212.73
12-29 194.7
12-30 237.55
12-31 170.36

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index