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Patapsco River At Hollofield, 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
01-01 322.68
01-02 388.51
01-03 277.01
01-04 280.28
01-05 278.01
01-06 241.88
01-07 240.38
01-08 203.2
01-09 207.62
01-10 495.45
01-11 246.55
01-12 389.82
01-13 338.79
01-14 261.53
01-15 229.71
01-16 219.97
01-17 254.64
01-18 221.22
01-19 203.93
01-20 266.02
01-21 293.98
01-22 219.11
01-23 211.76
01-24 284.15
01-25 367.24
01-26 337.4
01-27 268.67
01-28 249.55
01-29 296.22
01-30 252.74
01-31 229.0
02-01 220.09
02-02 224.43
02-03 231.97
02-04 498.51
02-05 401.07
02-06 404.44
02-07 327.53
02-08 306.77
02-09 251.82
02-10 233.54
02-11 228.02
02-12 263.58
02-13 330.18
02-14 310.36
02-15 273.83
02-16 280.9
02-17 369.85
02-18 310.27
02-19 269.15
02-20 275.54
02-21 274.55
02-22 329.29
02-23 325.28
02-24 328.0
02-25 546.64
02-26 361.5
02-27 305.0
02-28 294.48
02-29 293.25
03-01 359.25
03-02 335.32
03-03 318.23
03-04 353.37
03-05 305.68
03-06 351.42
03-07 295.56
03-08 262.64
03-09 260.97
03-10 407.99
03-11 470.64
03-12 472.63
03-13 411.18
03-14 312.63
03-15 369.61
03-16 299.54
03-17 294.36
03-18 240.07
03-19 260.26
03-20 237.85
03-21 240.0
03-22 580.59
03-23 302.15
03-24 277.37
03-25 288.44
03-26 268.02
03-27 246.39
03-28 244.22
03-29 269.33
03-30 262.52
03-31 412.43
04-01 364.41
04-02 318.85
04-03 331.35
04-04 357.26
04-05 280.67
04-06 254.73
04-07 280.37
04-08 308.57
04-09 264.72
04-10 246.37
04-11 217.95
04-12 199.66
04-13 207.27
04-14 298.19
04-15 242.31
04-16 265.89
04-17 237.58
04-18 202.88
04-19 204.22
04-20 266.46
04-21 238.54
04-22 202.69
04-23 207.31
04-24 187.32
04-25 182.58
04-26 196.31
04-27 211.59
04-28 184.22
04-29 207.1
04-30 230.78
05-01 1035.59
05-02 454.34
05-03 308.74
05-04 266.79
05-05 280.63
05-06 348.38
05-07 395.38
05-08 391.07
05-09 305.02
05-10 273.26
05-11 438.79
05-12 302.31
05-13 275.55
05-14 313.99
05-15 277.39
05-16 269.48
05-17 383.14
05-18 324.21
05-19 306.88
05-20 306.29
05-21 239.69
05-22 218.91
05-23 256.46
05-24 332.79
05-25 206.33
05-26 230.29
05-27 195.87
05-28 522.87
05-29 250.82
05-30 245.54
05-31 219.78
06-01 166.61
06-02 339.11
06-03 285.13
06-04 435.53
06-05 225.81
06-06 251.68
06-07 188.62
06-08 185.25
06-09 239.07
06-10 154.97
06-11 524.05
06-12 324.73
06-13 259.92
06-14 237.09
06-15 203.95
06-16 159.86
06-17 152.03
06-18 136.18
06-19 182.66
06-20 242.96
06-21 198.59
06-22 160.73
06-23 166.79
06-24 181.04
06-25 164.75
06-26 149.21
06-27 143.97
06-28 225.73
06-29 162.47
06-30 154.96
07-01 133.01
07-02 130.94
07-03 116.71
07-04 110.91
07-05 123.45
07-06 107.65
07-07 161.58
07-08 116.48
07-09 220.4
07-10 283.17
07-11 126.08
07-12 131.01
07-13 103.93
07-14 100.01
07-15 134.01
07-16 113.48
07-17 97.46
07-18 111.59
07-19 94.95
07-20 238.63
07-21 111.01
07-22 392.71
07-23 245.79
07-24 324.39
07-25 342.54
07-26 541.59
07-27 228.69
07-28 181.61
07-29 141.53
07-30 120.14
07-31 264.63
08-01 402.5
08-02 178.75
08-03 117.65
08-04 245.0
08-05 292.65
08-06 177.33
08-07 135.83
08-08 185.67
08-09 125.24
08-10 122.99
08-11 105.81
08-12 96.04
08-13 159.7
08-14 168.51
08-15 128.02
08-16 136.15
08-17 94.17
08-18 119.63
08-19 109.84
08-20 86.12
08-21 82.48
08-22 203.66
08-23 155.64
08-24 130.1
08-25 103.18
08-26 82.69
08-27 81.88
08-28 119.74
08-29 84.99
08-30 81.69
08-31 68.46
09-01 77.63
09-02 136.84
09-03 89.09
09-04 89.0
09-05 71.71
09-06 92.09
09-07 114.69
09-08 529.58
09-09 351.09
09-10 428.11
09-11 236.46
09-12 183.19
09-13 223.56
09-14 128.5
09-15 100.88
09-16 90.43
09-17 105.26
09-18 133.94
09-19 117.24
09-20 95.98
09-21 86.83
09-22 94.09
09-23 90.11
09-24 148.78
09-25 123.09
09-26 149.52
09-27 273.37
09-28 304.71
09-29 221.32
09-30 233.87
10-01 72.75
10-02 75.26
10-03 112.48
10-04 81.4
10-05 170.06
10-06 112.03
10-07 102.19
10-08 117.6
10-09 95.06
10-10 100.38
10-11 137.94
10-12 192.55
10-13 112.69
10-14 135.22
10-15 121.28
10-16 121.85
10-17 105.32
10-18 90.56
10-19 84.87
10-20 109.23
10-21 100.9
10-22 91.49
10-23 99.75
10-24 87.54
10-25 82.92
10-26 123.0
10-27 92.61
10-28 120.49
10-29 103.64
10-30 924.55
10-31 344.17
11-01 523.69
11-02 206.52
11-03 228.36
11-04 152.04
11-05 94.94
11-06 157.8
11-07 195.2
11-08 150.48
11-09 122.03
11-10 172.65
11-11 131.55
11-12 149.07
11-13 146.07
11-14 161.26
11-15 127.06
11-16 197.22
11-17 204.7
11-18 169.18
11-19 136.72
11-20 127.53
11-21 111.89
11-22 145.41
11-23 106.38
11-24 307.21
11-25 622.05
11-26 230.37
11-27 225.82
11-28 177.75
11-29 142.73
11-30 160.56
12-01 171.67
12-02 175.64
12-03 185.02
12-04 161.66
12-05 140.08
12-06 141.15
12-07 158.3
12-08 303.39
12-09 192.3
12-10 211.44
12-11 218.0
12-12 169.96
12-13 149.29
12-14 147.09
12-15 195.62
12-16 645.72
12-17 408.2
12-18 293.97
12-19 236.44
12-20 193.18
12-21 240.99
12-22 304.88
12-23 307.48
12-24 287.84
12-25 468.88
12-26 336.05
12-27 336.24
12-28 332.48
12-29 374.53
12-30 391.88
12-31 289.47

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index