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Cocheco River Near Rochester, Nh. Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 214.4
01-02 205.89
01-03 213.67
01-04 192.13
01-05 186.67
01-06 178.33
01-07 160.33
01-08 156.5
01-09 130.86
01-10 156.11
01-11 380.57
01-12 296.9
01-13 315.48
01-14 384.07
01-15 302.74
01-16 212.26
01-17 241.28
01-18 239.14
01-19 256.8
01-20 212.0
01-21 206.4
01-22 173.6
01-23 181.25
01-24 149.68
01-25 163.25
01-26 228.67
01-27 313.18
01-28 340.78
01-29 278.57
01-30 200.87
01-31 173.6
02-01 200.69
02-02 175.17
02-03 152.09
02-04 139.69
02-05 177.15
02-06 138.1
02-07 148.84
02-08 121.37
02-09 115.36
02-10 120.05
02-11 137.64
02-12 163.19
02-13 175.9
02-14 115.02
02-15 120.6
02-16 116.19
02-17 110.58
02-18 147.53
02-19 125.39
02-20 109.55
02-21 118.6
02-22 91.41
02-23 151.6
02-24 185.18
02-25 189.69
02-26 290.51
02-27 219.76
02-28 231.21
02-29 307.25
03-01 179.26
03-02 177.87
03-03 234.17
03-04 245.59
03-05 221.26
03-06 206.79
03-07 237.78
03-08 322.04
03-09 270.38
03-10 250.27
03-11 336.32
03-12 291.3
03-13 293.73
03-14 294.91
03-15 261.87
03-16 264.42
03-17 295.67
03-18 363.36
03-19 277.08
03-20 238.0
03-21 221.54
03-22 220.42
03-23 215.93
03-24 220.38
03-25 232.15
03-26 237.85
03-27 224.69
03-28 237.69
03-29 306.5
03-30 334.4
03-31 346.43
04-01 345.07
04-02 377.73
04-03 337.6
04-04 331.4
04-05 350.0
04-06 358.93
04-07 356.87
04-08 360.87
04-09 376.93
04-10 341.27
04-11 315.65
04-12 272.06
04-13 256.21
04-14 280.51
04-15 279.89
04-16 265.4
04-17 301.0
04-18 296.08
04-19 224.38
04-20 211.62
04-21 200.88
04-22 266.29
04-23 211.36
04-24 231.15
04-25 234.88
04-26 197.72
04-27 266.08
04-28 275.17
04-29 203.97
04-30 177.78
05-01 244.4
05-02 369.54
05-03 261.29
05-04 226.07
05-05 216.82
05-06 219.68
05-07 197.67
05-08 159.79
05-09 143.59
05-10 169.05
05-11 221.39
05-12 179.44
05-13 136.41
05-14 112.85
05-15 111.28
05-16 139.47
05-17 161.11
05-18 155.97
05-19 136.39
05-20 135.99
05-21 136.2
05-22 117.37
05-23 115.89
05-24 123.39
05-25 138.68
05-26 150.11
05-27 149.95
05-28 115.29
05-29 101.75
05-30 97.23
05-31 129.87
06-01 127.15
06-02 110.09
06-03 118.52
06-04 159.42
06-05 120.98
06-06 108.63
06-07 132.31
06-08 127.79
06-09 119.91
06-10 100.0
06-11 72.51
06-12 92.95
06-13 96.86
06-14 94.03
06-15 82.32
06-16 67.15
06-17 59.37
06-18 70.26
06-19 73.31
06-20 62.64
06-21 60.86
06-22 56.14
06-23 54.88
06-24 71.26
06-25 79.29
06-26 79.34
06-27 113.16
06-28 97.84
06-29 108.02
06-30 94.18
07-01 74.23
07-02 83.44
07-03 104.56
07-04 158.1
07-05 113.55
07-06 102.85
07-07 74.97
07-08 58.94
07-09 51.24
07-10 68.28
07-11 65.37
07-12 66.13
07-13 54.78
07-14 50.4
07-15 43.72
07-16 39.46
07-17 72.04
07-18 72.07
07-19 80.8
07-20 72.98
07-21 57.69
07-22 57.17
07-23 40.61
07-24 49.33
07-25 47.59
07-26 39.72
07-27 38.79
07-28 36.91
07-29 44.62
07-30 69.48
07-31 120.71
08-01 71.59
08-02 48.56
08-03 43.24
08-04 40.8
08-05 47.08
08-06 43.09
08-07 36.82
08-08 34.14
08-09 48.97
08-10 54.21
08-11 39.04
08-12 35.2
08-13 42.58
08-14 66.99
08-15 92.37
08-16 50.27
08-17 47.31
08-18 42.16
08-19 44.16
08-20 47.28
08-21 39.02
08-22 38.4
08-23 41.69
08-24 46.24
08-25 41.02
08-26 45.09
08-27 40.99
08-28 32.77
08-29 53.33
08-30 74.84
08-31 55.09
09-01 39.35
09-02 33.88
09-03 51.72
09-04 36.54
09-05 29.94
09-06 31.41
09-07 37.32
09-08 50.68
09-09 47.5
09-10 56.26
09-11 50.03
09-12 64.58
09-13 68.59
09-14 72.66
09-15 52.14
09-16 39.33
09-17 34.52
09-18 30.42
09-19 59.19
09-20 86.35
09-21 49.28
09-22 40.54
09-23 38.32
09-24 34.38
09-25 36.68
09-26 42.15
09-27 46.97
09-28 38.7
09-29 32.04
09-30 31.4
10-01 63.29
10-02 45.24
10-03 46.19
10-04 51.93
10-05 64.3
10-06 52.31
10-07 41.85
10-08 36.72
10-09 35.61
10-10 32.1
10-11 32.23
10-12 35.85
10-13 41.31
10-14 39.33
10-15 47.98
10-16 64.43
10-17 56.21
10-18 66.98
10-19 62.66
10-20 54.48
10-21 78.65
10-22 72.75
10-23 79.19
10-24 83.58
10-25 86.99
10-26 77.86
10-27 90.39
10-28 89.66
10-29 106.29
10-30 132.64
10-31 162.29
11-01 223.71
11-02 149.45
11-03 151.2
11-04 167.43
11-05 121.93
11-06 102.37
11-07 104.0
11-08 105.52
11-09 91.84
11-10 109.25
11-11 126.22
11-12 132.05
11-13 136.28
11-14 156.56
11-15 136.81
11-16 108.11
11-17 112.42
11-18 110.08
11-19 98.92
11-20 95.92
11-21 102.54
11-22 89.65
11-23 102.7
11-24 109.46
11-25 104.74
11-26 112.44
11-27 125.28
11-28 181.8
11-29 167.0
11-30 128.52
12-01 163.09
12-02 203.67
12-03 170.89
12-04 156.19
12-05 137.2
12-06 133.92
12-07 144.06
12-08 165.09
12-09 209.12
12-10 163.54
12-11 191.61
12-12 254.55
12-13 189.08
12-14 251.79
12-15 264.74
12-16 195.19
12-17 167.68
12-18 177.86
12-19 445.52
12-20 307.15
12-21 234.64
12-22 217.75
12-23 259.56
12-24 416.88
12-25 297.18
12-26 326.93
12-27 287.65
12-28 218.27
12-29 239.12
12-30 263.8
12-31 242.1

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index