Heat Advisory
2026-07-15T21:00:00-04:00

* WHAT...Heat index values up to 101 expected. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From 11 AM Tuesday to 9 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Pomperaug River At Southbury, Ct. Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 265.19
01-02 167.55
01-03 157.69
01-04 164.18
01-05 158.74
01-06 180.79
01-07 191.89
01-08 140.92
01-09 136.66
01-10 357.73
01-11 226.53
01-12 212.63
01-13 240.18
01-14 198.17
01-15 197.3
01-16 158.6
01-17 150.34
01-18 138.29
01-19 325.47
01-20 200.59
01-21 136.75
01-22 122.02
01-23 142.33
01-24 151.66
01-25 278.8
01-26 359.96
01-27 204.87
01-28 178.26
01-29 181.75
01-30 144.01
01-31 127.21
02-01 145.35
02-02 124.19
02-03 114.81
02-04 161.23
02-05 202.05
02-06 115.81
02-07 140.34
02-08 128.11
02-09 116.09
02-10 108.33
02-11 146.71
02-12 151.31
02-13 127.61
02-14 115.65
02-15 109.59
02-16 113.64
02-17 214.11
02-18 140.38
02-19 128.18
02-20 124.87
02-21 127.29
02-22 117.68
02-23 178.28
02-24 154.01
02-25 265.16
02-26 167.67
02-27 165.38
02-28 249.1
02-29 249.75
03-01 188.49
03-02 185.07
03-03 211.94
03-04 189.36
03-05 178.0
03-06 328.86
03-07 332.46
03-08 213.83
03-09 199.58
03-10 303.1
03-11 219.42
03-12 286.97
03-13 323.9
03-14 220.14
03-15 241.79
03-16 287.0
03-17 307.34
03-18 234.93
03-19 205.63
03-20 193.14
03-21 189.07
03-22 184.0
03-23 173.67
03-24 267.0
03-25 207.67
03-26 180.53
03-27 187.27
03-28 195.27
03-29 219.2
03-30 219.47
03-31 197.86
04-01 286.0
04-02 205.53
04-03 196.0
04-04 229.29
04-05 213.4
04-06 184.53
04-07 205.2
04-08 300.98
04-09 193.39
04-10 168.01
04-11 158.67
04-12 146.45
04-13 203.52
04-14 204.18
04-15 175.55
04-16 254.67
04-17 231.24
04-18 174.46
04-19 170.67
04-20 199.22
04-21 208.67
04-22 187.39
04-23 192.82
04-24 176.39
04-25 143.42
04-26 150.83
04-27 271.79
04-28 174.41
04-29 147.89
04-30 156.39
05-01 343.83
05-02 225.17
05-03 188.67
05-04 189.08
05-05 174.28
05-06 303.45
05-07 210.25
05-08 156.42
05-09 163.53
05-10 180.29
05-11 201.9
05-12 139.89
05-13 135.48
05-14 104.38
05-15 112.7
05-16 178.46
05-17 142.54
05-18 130.39
05-19 233.78
05-20 142.49
05-21 166.44
05-22 121.5
05-23 122.14
05-24 211.79
05-25 135.4
05-26 144.2
05-27 107.77
05-28 119.21
05-29 123.63
05-30 107.32
05-31 108.98
06-01 100.67
06-02 110.84
06-03 90.94
06-04 85.03
06-05 77.62
06-06 81.41
06-07 67.87
06-08 128.41
06-09 80.74
06-10 85.17
06-11 102.35
06-12 121.56
06-13 84.63
06-14 199.99
06-15 148.59
06-16 88.32
06-17 74.59
06-18 104.32
06-19 112.51
06-20 88.84
06-21 64.24
06-22 60.52
06-23 68.38
06-24 85.58
06-25 72.71
06-26 63.18
06-27 52.91
06-28 87.8
06-29 67.71
06-30 50.69
07-01 62.08
07-02 69.59
07-03 135.86
07-04 124.73
07-05 67.05
07-06 48.13
07-07 81.0
07-08 68.84
07-09 72.8
07-10 142.23
07-11 101.7
07-12 64.76
07-13 47.48
07-14 49.9
07-15 69.89
07-16 59.38
07-17 100.24
07-18 88.83
07-19 67.31
07-20 46.84
07-21 38.85
07-22 44.42
07-23 57.3
07-24 49.16
07-25 37.47
07-26 121.69
07-27 44.95
07-28 44.28
07-29 48.51
07-30 43.76
07-31 39.43
08-01 41.64
08-02 59.17
08-03 48.37
08-04 34.01
08-05 51.22
08-06 36.09
08-07 31.65
08-08 46.66
08-09 75.08
08-10 54.58
08-11 43.97
08-12 38.03
08-13 33.04
08-14 55.29
08-15 46.82
08-16 60.29
08-17 41.29
08-18 55.95
08-19 68.06
08-20 52.2
08-21 38.9
08-22 65.63
08-23 48.64
08-24 79.91
08-25 39.64
08-26 33.98
08-27 28.14
08-28 76.05
08-29 176.09
08-30 75.11
08-31 55.08
09-01 42.08
09-02 35.62
09-03 98.58
09-04 58.62
09-05 45.87
09-06 87.79
09-07 130.83
09-08 74.01
09-09 155.44
09-10 117.46
09-11 86.05
09-12 70.85
09-13 85.47
09-14 86.01
09-15 55.89
09-16 47.62
09-17 39.82
09-18 37.03
09-19 70.92
09-20 43.13
09-21 37.93
09-22 36.39
09-23 39.87
09-24 117.59
09-25 76.62
09-26 111.41
09-27 93.11
09-28 57.61
09-29 76.52
09-30 309.9
10-01 201.13
10-02 102.0
10-03 99.17
10-04 77.62
10-05 93.93
10-06 66.74
10-07 65.33
10-08 86.32
10-09 62.2
10-10 55.53
10-11 50.71
10-12 59.87
10-13 53.59
10-14 72.93
10-15 72.89
10-16 49.81
10-17 88.61
10-18 55.81
10-19 50.89
10-20 94.99
10-21 62.96
10-22 61.57
10-23 55.31
10-24 54.22
10-25 63.37
10-26 60.62
10-27 100.04
10-28 116.34
10-29 111.38
10-30 222.69
10-31 171.0
11-01 117.11
11-02 111.89
11-03 230.75
11-04 114.21
11-05 93.03
11-06 88.9
11-07 92.89
11-08 84.61
11-09 79.01
11-10 87.42
11-11 73.72
11-12 120.82
11-13 100.44
11-14 108.33
11-15 82.44
11-16 92.31
11-17 110.71
11-18 105.36
11-19 87.95
11-20 89.14
11-21 81.0
11-22 74.01
11-23 79.47
11-24 100.64
11-25 117.65
11-26 86.76
11-27 161.69
11-28 140.22
11-29 95.13
11-30 102.64
12-01 178.86
12-02 124.12
12-03 117.77
12-04 113.96
12-05 95.34
12-06 124.33
12-07 143.19
12-08 206.82
12-09 143.16
12-10 280.37
12-11 229.62
12-12 141.83
12-13 121.9
12-14 179.08
12-15 144.65
12-16 125.91
12-17 166.3
12-18 206.84
12-19 222.62
12-20 174.41
12-21 155.52
12-22 265.62
12-23 189.47
12-24 229.78
12-25 293.92
12-26 216.41
12-27 161.28
12-28 229.16
12-29 233.21
12-30 239.36
12-31 194.31

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index