Overview Realtime Historical Map View

East Branch Housatonic River At Coltsville, 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
01-01 177.73
01-02 214.8
01-03 142.51
01-04 130.76
01-05 146.18
01-06 136.39
01-07 130.03
01-08 95.28
01-09 87.42
01-10 120.28
01-11 178.99
01-12 194.71
01-13 178.08
01-14 174.17
01-15 156.95
01-16 126.74
01-17 116.17
01-18 102.88
01-19 115.62
01-20 118.08
01-21 101.31
01-22 87.51
01-23 87.2
01-24 122.59
01-25 220.06
01-26 220.5
01-27 211.5
01-28 170.34
01-29 146.44
01-30 107.28
01-31 101.87
02-01 153.92
02-02 127.27
02-03 100.74
02-04 102.12
02-05 133.64
02-06 92.51
02-07 124.93
02-08 136.64
02-09 104.37
02-10 88.33
02-11 91.54
02-12 120.0
02-13 98.27
02-14 75.0
02-15 70.77
02-16 80.67
02-17 74.72
02-18 125.25
02-19 122.3
02-20 116.68
02-21 101.66
02-22 70.04
02-23 125.97
02-24 121.53
02-25 84.49
02-26 133.69
02-27 109.26
02-28 123.29
02-29 212.0
03-01 100.95
03-02 101.8
03-03 113.49
03-04 131.13
03-05 107.74
03-06 130.93
03-07 182.7
03-08 188.1
03-09 146.77
03-10 160.64
03-11 174.45
03-12 200.29
03-13 201.78
03-14 184.21
03-15 162.49
03-16 177.58
03-17 239.27
03-18 196.27
03-19 152.33
03-20 163.65
03-21 145.43
03-22 124.02
03-23 132.25
03-24 176.49
03-25 161.97
03-26 150.34
03-27 164.58
03-28 168.06
03-29 214.97
03-30 219.47
03-31 254.0
04-01 257.6
04-02 255.67
04-03 214.07
04-04 225.25
04-05 250.08
04-06 215.58
04-07 221.15
04-08 241.49
04-09 225.39
04-10 223.24
04-11 210.81
04-12 205.49
04-13 208.94
04-14 235.35
04-15 233.15
04-16 237.52
04-17 252.5
04-18 190.05
04-19 149.31
04-20 149.12
04-21 149.32
04-22 160.19
04-23 146.06
04-24 181.31
04-25 119.46
04-26 115.14
04-27 178.23
04-28 143.84
04-29 113.41
04-30 192.85
05-01 174.75
05-02 190.99
05-03 147.32
05-04 138.19
05-05 169.44
05-06 193.2
05-07 185.51
05-08 117.74
05-09 107.09
05-10 124.15
05-11 120.48
05-12 100.52
05-13 94.06
05-14 74.08
05-15 83.02
05-16 99.26
05-17 102.88
05-18 115.27
05-19 90.99
05-20 81.56
05-21 76.13
05-22 69.45
05-23 85.33
05-24 86.54
05-25 88.11
05-26 96.93
05-27 82.99
05-28 66.17
05-29 74.59
05-30 87.13
05-31 109.78
06-01 140.03
06-02 107.31
06-03 91.87
06-04 88.04
06-05 82.17
06-06 78.15
06-07 95.86
06-08 109.23
06-09 89.1
06-10 83.41
06-11 75.66
06-12 131.82
06-13 85.19
06-14 111.55
06-15 130.5
06-16 83.03
06-17 71.26
06-18 61.87
06-19 67.76
06-20 62.06
06-21 58.36
06-22 69.49
06-23 59.05
06-24 59.26
06-25 83.31
06-26 143.41
06-27 169.11
06-28 111.19
06-29 102.34
06-30 73.8
07-01 69.39
07-02 99.09
07-03 116.93
07-04 97.37
07-05 117.01
07-06 73.44
07-07 58.0
07-08 67.54
07-09 82.26
07-10 140.91
07-11 155.78
07-12 83.65
07-13 103.94
07-14 88.47
07-15 76.39
07-16 68.83
07-17 122.75
07-18 93.82
07-19 132.91
07-20 85.82
07-21 63.99
07-22 49.29
07-23 53.39
07-24 88.57
07-25 62.24
07-26 65.91
07-27 53.85
07-28 73.19
07-29 167.47
07-30 118.2
07-31 67.94
08-01 59.91
08-02 62.08
08-03 49.71
08-04 46.64
08-05 70.54
08-06 43.16
08-07 39.34
08-08 43.56
08-09 35.71
08-10 41.87
08-11 35.16
08-12 50.76
08-13 49.92
08-14 54.65
08-15 65.36
08-16 72.7
08-17 71.89
08-18 108.05
08-19 101.34
08-20 60.34
08-21 45.37
08-22 71.56
08-23 107.02
08-24 110.34
08-25 61.98
08-26 89.87
08-27 53.84
08-28 39.96
08-29 275.06
08-30 89.79
08-31 72.92
09-01 51.2
09-02 122.53
09-03 88.24
09-04 56.45
09-05 42.22
09-06 68.05
09-07 116.11
09-08 155.61
09-09 141.54
09-10 74.16
09-11 62.24
09-12 51.74
09-13 65.93
09-14 63.23
09-15 46.06
09-16 50.44
09-17 41.2
09-18 36.96
09-19 87.02
09-20 61.7
09-21 43.93
09-22 39.9
09-23 53.56
09-24 70.42
09-25 75.83
09-26 105.46
09-27 82.56
09-28 54.65
09-29 51.79
09-30 148.94
10-01 136.91
10-02 80.44
10-03 67.14
10-04 66.7
10-05 150.86
10-06 94.14
10-07 61.68
10-08 86.81
10-09 66.96
10-10 52.99
10-11 45.34
10-12 57.59
10-13 50.32
10-14 51.19
10-15 51.97
10-16 57.0
10-17 103.34
10-18 109.09
10-19 83.28
10-20 79.88
10-21 75.72
10-22 111.04
10-23 81.58
10-24 118.87
10-25 91.09
10-26 89.39
10-27 124.69
10-28 107.61
10-29 96.93
10-30 147.17
10-31 135.16
11-01 157.54
11-02 134.15
11-03 157.05
11-04 93.76
11-05 79.94
11-06 76.86
11-07 80.04
11-08 73.07
11-09 80.08
11-10 88.06
11-11 85.65
11-12 86.37
11-13 95.98
11-14 111.9
11-15 85.75
11-16 88.1
11-17 86.14
11-18 85.22
11-19 83.28
11-20 79.84
11-21 79.32
11-22 68.22
11-23 72.22
11-24 88.89
11-25 95.32
11-26 89.82
11-27 107.99
11-28 146.5
11-29 108.34
11-30 91.12
12-01 129.1
12-02 130.55
12-03 124.76
12-04 126.79
12-05 101.45
12-06 93.89
12-07 109.2
12-08 150.51
12-09 137.22
12-10 190.89
12-11 195.69
12-12 167.46
12-13 119.97
12-14 120.51
12-15 162.02
12-16 147.24
12-17 128.34
12-18 133.65
12-19 221.25
12-20 168.4
12-21 132.45
12-22 244.45
12-23 204.38
12-24 234.93
12-25 218.93
12-26 265.22
12-27 172.98
12-28 156.09
12-29 175.7
12-30 194.45
12-31 163.91

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index