Green River At Williamstown, Ma Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 139.75
01-02 127.09
01-03 114.35
01-04 107.74
01-05 127.26
01-06 104.05
01-07 116.74
01-08 97.53
01-09 94.55
01-10 167.42
01-11 115.06
01-12 112.72
01-13 152.62
01-14 120.53
01-15 133.03
01-16 117.72
01-17 109.52
01-18 108.62
01-19 121.14
01-20 96.15
01-21 75.91
01-22 74.06
01-23 79.15
01-24 125.03
01-25 229.52
01-26 186.8
01-27 179.74
01-28 117.25
01-29 113.97
01-30 106.97
01-31 114.7
02-01 108.82
02-02 102.66
02-03 99.9
02-04 84.48
02-05 89.75
02-06 80.47
02-07 91.86
02-08 114.17
02-09 86.28
02-10 108.93
02-11 84.6
02-12 84.36
02-13 80.33
02-14 71.39
02-15 58.47
02-16 69.57
02-17 71.6
02-18 131.38
02-19 89.92
02-20 70.7
02-21 71.32
02-22 67.22
02-23 116.59
02-24 85.39
02-25 75.15
02-26 105.58
02-27 96.24
02-28 97.76
02-29 161.67
03-01 89.04
03-02 78.36
03-03 101.94
03-04 115.11
03-05 88.95
03-06 141.01
03-07 227.76
03-08 160.12
03-09 124.09
03-10 231.1
03-11 187.13
03-12 237.38
03-13 168.29
03-14 150.37
03-15 139.24
03-16 130.11
03-17 254.8
03-18 139.08
03-19 125.83
03-20 135.46
03-21 121.49
03-22 106.63
03-23 117.73
03-24 140.98
03-25 136.28
03-26 132.68
03-27 146.5
03-28 137.23
03-29 163.55
03-30 142.85
03-31 139.16
04-01 195.48
04-02 181.06
04-03 165.92
04-04 185.5
04-05 149.75
04-06 174.29
04-07 172.36
04-08 260.59
04-09 170.83
04-10 170.5
04-11 179.4
04-12 169.08
04-13 171.25
04-14 177.81
04-15 198.19
04-16 164.13
04-17 148.4
04-18 136.22
04-19 133.75
04-20 150.73
04-21 138.11
04-22 138.68
04-23 139.65
04-24 129.35
04-25 109.22
04-26 106.67
04-27 167.6
04-28 130.68
04-29 124.78
04-30 126.86
05-01 139.15
05-02 129.32
05-03 121.12
05-04 127.26
05-05 144.84
05-06 146.05
05-07 147.29
05-08 112.27
05-09 102.45
05-10 139.34
05-11 109.47
05-12 97.28
05-13 87.05
05-14 83.22
05-15 74.1
05-16 77.42
05-17 71.06
05-18 72.95
05-19 66.95
05-20 67.23
05-21 65.64
05-22 62.38
05-23 80.25
05-24 73.25
05-25 73.42
05-26 88.51
05-27 78.12
05-28 63.79
05-29 61.51
05-30 62.93
05-31 64.08
06-01 67.8
06-02 58.57
06-03 53.98
06-04 56.97
06-05 49.26
06-06 59.72
06-07 45.62
06-08 53.98
06-09 55.69
06-10 53.81
06-11 60.11
06-12 63.62
06-13 64.75
06-14 65.19
06-15 79.72
06-16 60.75
06-17 59.7
06-18 54.48
06-19 54.16
06-20 43.99
06-21 41.98
06-22 49.04
06-23 58.78
06-24 40.42
06-25 51.14
06-26 55.83
06-27 56.7
06-28 61.77
06-29 53.71
06-30 46.51
07-01 56.13
07-02 70.65
07-03 148.97
07-04 77.9
07-05 62.01
07-06 48.46
07-07 56.63
07-08 49.83
07-09 66.32
07-10 123.85
07-11 75.29
07-12 76.24
07-13 72.06
07-14 64.78
07-15 52.22
07-16 46.18
07-17 66.88
07-18 76.91
07-19 118.36
07-20 61.89
07-21 62.56
07-22 45.66
07-23 47.8
07-24 43.76
07-25 37.64
07-26 42.89
07-27 30.77
07-28 36.41
07-29 31.68
07-30 61.9
07-31 40.46
08-01 40.39
08-02 47.83
08-03 31.43
08-04 54.56
08-05 39.92
08-06 30.81
08-07 30.19
08-08 34.92
08-09 31.01
08-10 34.12
08-11 28.86
08-12 60.3
08-13 32.79
08-14 48.83
08-15 42.25
08-16 56.23
08-17 33.82
08-18 56.85
08-19 41.56
08-20 35.6
08-21 32.87
08-22 62.52
08-23 36.74
08-24 72.59
08-25 39.0
08-26 38.81
08-27 30.62
08-28 27.16
08-29 35.0
08-30 28.11
08-31 31.0
09-01 25.76
09-02 87.91
09-03 50.22
09-04 40.03
09-05 34.52
09-06 65.77
09-07 61.35
09-08 29.04
09-09 295.79
09-10 68.51
09-11 58.63
09-12 49.11
09-13 71.49
09-14 64.91
09-15 50.0
09-16 64.77
09-17 44.91
09-18 87.99
09-19 84.34
09-20 55.65
09-21 45.33
09-22 45.22
09-23 48.45
09-24 54.02
09-25 53.94
09-26 60.63
09-27 50.91
09-28 38.82
09-29 44.55
09-30 81.9
10-01 65.53
10-02 51.78
10-03 46.0
10-04 48.77
10-05 72.21
10-06 46.06
10-07 48.11
10-08 70.49
10-09 51.14
10-10 46.13
10-11 41.58
10-12 44.29
10-13 40.36
10-14 52.93
10-15 48.65
10-16 40.96
10-17 103.29
10-18 62.99
10-19 49.75
10-20 71.33
10-21 61.16
10-22 74.26
10-23 64.55
10-24 64.39
10-25 55.75
10-26 87.56
10-27 64.53
10-28 67.31
10-29 64.05
10-30 79.8
10-31 68.67
11-01 148.61
11-02 114.27
11-03 171.75
11-04 102.17
11-05 80.18
11-06 70.87
11-07 83.38
11-08 72.62
11-09 64.36
11-10 70.97
11-11 67.03
11-12 65.02
11-13 72.41
11-14 79.43
11-15 71.67
11-16 79.08
11-17 69.83
11-18 73.16
11-19 69.22
11-20 63.98
11-21 65.15
11-22 64.66
11-23 62.57
11-24 61.74
11-25 80.63
11-26 83.91
11-27 154.94
11-28 139.42
11-29 99.01
11-30 101.93
12-01 155.6
12-02 126.09
12-03 119.83
12-04 116.19
12-05 97.51
12-06 95.68
12-07 138.27
12-08 97.6
12-09 90.64
12-10 181.45
12-11 166.5
12-12 122.87
12-13 113.45
12-14 169.31
12-15 148.19
12-16 127.04
12-17 110.0
12-18 135.3
12-19 186.68
12-20 141.37
12-21 119.31
12-22 170.25
12-23 144.51
12-24 165.04
12-25 223.36
12-26 182.93
12-27 134.83
12-28 121.3
12-29 121.67
12-30 152.55
12-31 133.32

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index