Heat Advisory
2026-07-15T20:00:00-04:00

* WHAT...Heat index values up to 102 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and Rhode Island. * WHEN...From 11 AM Tuesday to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Mill River At Northampton, 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
01-01 145.09
01-02 123.48
01-03 122.59
01-04 111.34
01-05 118.13
01-06 118.43
01-07 101.03
01-08 93.04
01-09 86.08
01-10 249.51
01-11 203.36
01-12 218.69
01-13 184.78
01-14 199.8
01-15 147.08
01-16 123.49
01-17 139.55
01-18 108.79
01-19 102.07
01-20 126.47
01-21 106.2
01-22 788.44
01-23 138.69
01-24 133.85
01-25 155.3
01-26 230.88
01-27 291.42
01-28 189.72
01-29 145.4
01-30 119.34
01-31 104.54
02-01 138.91
02-02 111.73
02-03 115.44
02-04 598.52
02-05 146.82
02-06 101.14
02-07 116.28
02-08 106.96
02-09 175.35
02-10 86.03
02-11 86.54
02-12 130.99
02-13 102.07
02-14 90.61
02-15 88.4
02-16 94.09
02-17 125.78
02-18 128.01
02-19 97.67
02-20 87.78
02-21 98.65
02-22 96.42
02-23 138.58
02-24 109.24
02-25 341.9
02-26 140.39
02-27 115.69
02-28 152.15
02-29 171.75
03-01 917.21
03-02 115.69
03-03 178.56
03-04 139.82
03-05 113.81
03-06 159.59
03-07 307.42
03-08 164.95
03-09 148.29
03-10 220.88
03-11 174.98
03-12 187.97
03-13 261.68
03-14 175.17
03-15 167.0
03-16 166.83
03-17 273.8
03-18 171.04
03-19 134.45
03-20 149.0
03-21 145.57
03-22 131.22
03-23 141.41
03-24 195.09
03-25 148.64
03-26 140.33
03-27 142.79
03-28 154.39
03-29 193.33
03-30 198.87
03-31 207.86
04-01 198.13
04-02 192.77
04-03 182.1
04-04 207.87
04-05 226.7
04-06 183.63
04-07 208.62
04-08 237.59
04-09 180.56
04-10 173.35
04-11 163.75
04-12 146.89
04-13 162.94
04-14 169.57
04-15 137.75
04-16 202.58
04-17 200.52
04-18 141.72
04-19 130.15
04-20 138.67
04-21 146.19
04-22 137.36
04-23 139.41
04-24 167.48
04-25 117.18
04-26 129.68
04-27 232.73
04-28 134.72
04-29 111.66
04-30 167.59
05-01 261.27
05-02 196.58
05-03 143.87
05-04 138.68
05-05 198.05
05-06 303.13
05-07 178.59
05-08 120.59
05-09 130.94
05-10 165.13
05-11 123.44
05-12 107.86
05-13 95.96
05-14 81.62
05-15 82.61
05-16 113.71
05-17 99.44
05-18 109.36
05-19 98.27
05-20 109.12
05-21 116.07
05-22 87.07
05-23 116.78
05-24 185.65
05-25 101.06
05-26 128.07
05-27 88.18
05-28 71.13
05-29 78.06
05-30 82.34
05-31 93.81
06-01 100.24
06-02 87.2
06-03 104.93
06-04 74.37
06-05 81.39
06-06 115.33
06-07 111.94
06-08 138.82
06-09 79.05
06-10 76.17
06-11 104.19
06-12 118.47
06-13 69.56
06-14 156.24
06-15 119.31
06-16 71.16
06-17 64.63
06-18 70.64
06-19 67.74
06-20 59.42
06-21 47.23
06-22 46.93
06-23 57.46
06-24 53.49
06-25 44.23
06-26 65.72
06-27 74.75
06-28 85.07
06-29 82.46
06-30 52.18
07-01 58.01
07-02 65.36
07-03 128.76
07-04 153.64
07-05 70.14
07-06 43.97
07-07 41.24
07-08 64.29
07-09 60.44
07-10 94.69
07-11 96.14
07-12 68.99
07-13 78.22
07-14 83.09
07-15 79.69
07-16 53.95
07-17 100.19
07-18 174.9
07-19 151.58
07-20 64.31
07-21 46.41
07-22 74.93
07-23 85.31
07-24 80.7
07-25 50.96
07-26 126.18
07-27 48.0
07-28 69.96
07-29 61.61
07-30 71.69
07-31 39.44
08-01 47.53
08-02 45.55
08-03 36.02
08-04 45.42
08-05 38.39
08-06 30.67
08-07 26.9
08-08 36.47
08-09 47.41
08-10 56.17
08-11 43.02
08-12 83.14
08-13 38.63
08-14 99.67
08-15 45.81
08-16 84.94
08-17 40.38
08-18 98.99
08-19 51.27
08-20 42.88
08-21 36.15
08-22 34.83
08-23 69.61
08-24 122.19
08-25 41.26
08-26 39.27
08-27 31.19
08-28 29.23
08-29 149.35
08-30 43.8
08-31 36.19
09-01 27.9
09-02 191.21
09-03 42.07
09-04 34.9
09-05 28.72
09-06 82.64
09-07 52.63
09-08 75.23
09-09 79.73
09-10 50.0
09-11 68.14
09-12 51.77
09-13 58.22
09-14 59.02
09-15 36.93
09-16 31.85
09-17 28.39
09-18 31.66
09-19 154.19
09-20 44.76
09-21 34.2
09-22 32.53
09-23 39.82
09-24 88.24
09-25 50.07
09-26 87.64
09-27 103.3
09-28 72.53
09-29 64.22
09-30 210.59
10-01 185.11
10-02 88.98
10-03 59.45
10-04 49.32
10-05 150.63
10-06 60.93
10-07 54.37
10-08 73.87
10-09 51.56
10-10 46.9
10-11 42.05
10-12 60.94
10-13 45.74
10-14 57.98
10-15 128.26
10-16 52.3
10-17 75.63
10-18 58.25
10-19 49.11
10-20 120.52
10-21 79.16
10-22 66.54
10-23 55.81
10-24 69.15
10-25 69.42
10-26 55.84
10-27 63.79
10-28 86.51
10-29 115.39
10-30 223.55
10-31 146.37
11-01 91.91
11-02 88.86
11-03 207.03
11-04 97.46
11-05 77.21
11-06 83.12
11-07 88.38
11-08 72.07
11-09 65.26
11-10 87.42
11-11 67.72
11-12 75.62
11-13 88.62
11-14 88.09
11-15 64.7
11-16 73.87
11-17 72.88
11-18 77.75
11-19 67.12
11-20 68.45
11-21 68.52
11-22 61.11
11-23 63.91
11-24 86.09
11-25 89.61
11-26 68.91
11-27 129.29
11-28 122.12
11-29 78.54
11-30 78.12
12-01 188.17
12-02 99.26
12-03 103.07
12-04 106.96
12-05 80.51
12-06 93.26
12-07 102.67
12-08 150.54
12-09 102.63
12-10 187.82
12-11 177.03
12-12 115.14
12-13 93.71
12-14 98.23
12-15 121.24
12-16 106.43
12-17 119.23
12-18 153.85
12-19 201.19
12-20 146.79
12-21 775.45
12-22 210.38
12-23 128.42
12-24 210.15
12-25 265.89
12-26 196.85
12-27 132.32
12-28 154.95
12-29 131.55
12-30 152.71
12-31 121.91

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index