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.

Swift River At West Ware, 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
01-01 147.6
01-02 155.69
01-03 143.38
01-04 146.4
01-05 137.01
01-06 137.52
01-07 133.17
01-08 127.25
01-09 133.47
01-10 142.28
01-11 129.89
01-12 126.28
01-13 127.02
01-14 124.98
01-15 122.23
01-16 118.21
01-17 110.02
01-18 108.92
01-19 109.27
01-20 121.78
01-21 125.8
01-22 118.88
01-23 124.05
01-24 117.11
01-25 135.87
01-26 162.02
01-27 158.92
01-28 154.47
01-29 151.53
01-30 143.25
01-31 139.07
02-01 136.78
02-02 135.94
02-03 134.78
02-04 133.65
02-05 131.66
02-06 136.39
02-07 140.3
02-08 118.06
02-09 132.58
02-10 137.72
02-11 129.76
02-12 129.15
02-13 133.43
02-14 135.73
02-15 128.58
02-16 127.56
02-17 131.72
02-18 125.93
02-19 122.39
02-20 116.13
02-21 116.85
02-22 119.22
02-23 114.5
02-24 116.71
02-25 130.98
02-26 119.75
02-27 118.4
02-28 118.82
02-29 158.15
03-01 117.12
03-02 116.66
03-03 121.42
03-04 127.3
03-05 120.59
03-06 123.26
03-07 128.47
03-08 127.33
03-09 128.03
03-10 140.42
03-11 141.64
03-12 153.1
03-13 146.36
03-14 144.78
03-15 145.21
03-16 145.21
03-17 144.76
03-18 142.19
03-19 134.69
03-20 138.46
03-21 131.62
03-22 134.56
03-23 131.23
03-24 152.26
03-25 160.11
03-26 159.66
03-27 169.41
03-28 158.03
03-29 168.97
03-30 166.83
03-31 172.39
04-01 163.35
04-02 163.09
04-03 102.74
04-04 173.04
04-05 165.1
04-06 162.96
04-07 159.91
04-08 159.71
04-09 142.11
04-10 157.77
04-11 158.1
04-12 107.53
04-13 111.01
04-14 111.72
04-15 121.48
04-16 125.79
04-17 128.02
04-18 128.38
04-19 133.85
04-20 134.68
04-21 138.71
04-22 141.14
04-23 150.94
04-24 154.88
04-25 160.1
04-26 162.44
04-27 200.79
04-28 196.65
04-29 190.43
04-30 183.71
05-01 182.35
05-02 187.45
05-03 183.04
05-04 172.39
05-05 181.06
05-06 169.91
05-07 160.45
05-08 165.18
05-09 167.94
05-10 154.38
05-11 160.87
05-12 156.81
05-13 158.91
05-14 104.68
05-15 165.19
05-16 178.11
05-17 157.78
05-18 154.21
05-19 149.61
05-20 157.98
05-21 151.27
05-22 145.37
05-23 140.97
05-24 139.17
05-25 134.95
05-26 130.73
05-27 127.29
05-28 126.08
05-29 125.23
05-30 121.55
05-31 120.14
06-01 117.15
06-02 115.09
06-03 113.35
06-04 110.69
06-05 117.43
06-06 111.17
06-07 117.38
06-08 109.86
06-09 102.75
06-10 101.53
06-11 95.93
06-12 103.67
06-13 98.26
06-14 96.71
06-15 94.18
06-16 91.57
06-17 90.63
06-18 91.19
06-19 92.35
06-20 85.35
06-21 83.69
06-22 82.44
06-23 93.24
06-24 92.39
06-25 89.11
06-26 99.21
06-27 93.64
06-28 100.38
06-29 99.5
06-30 94.49
07-01 93.21
07-02 93.49
07-03 81.66
07-04 82.2
07-05 75.61
07-06 75.07
07-07 73.59
07-08 77.64
07-09 76.55
07-10 86.36
07-11 76.34
07-12 84.01
07-13 70.8
07-14 76.96
07-15 78.95
07-16 84.76
07-17 85.52
07-18 87.92
07-19 80.14
07-20 79.48
07-21 83.78
07-22 80.99
07-23 84.19
07-24 85.19
07-25 84.53
07-26 74.19
07-27 75.85
07-28 69.65
07-29 69.43
07-30 76.94
07-31 81.4
08-01 78.88
08-02 86.31
08-03 78.68
08-04 78.96
08-05 79.04
08-06 83.96
08-07 80.22
08-08 78.34
08-09 81.47
08-10 82.55
08-11 84.22
08-12 84.65
08-13 88.31
08-14 75.17
08-15 79.91
08-16 77.72
08-17 66.57
08-18 73.38
08-19 76.51
08-20 81.12
08-21 80.88
08-22 83.83
08-23 75.86
08-24 70.93
08-25 74.41
08-26 83.6
08-27 88.53
08-28 83.24
08-29 89.49
08-30 95.56
08-31 95.92
09-01 101.34
09-02 102.37
09-03 103.99
09-04 102.28
09-05 108.31
09-06 105.09
09-07 94.17
09-08 93.82
09-09 94.84
09-10 94.54
09-11 95.2
09-12 93.56
09-13 98.34
09-14 98.39
09-15 97.67
09-16 92.46
09-17 88.24
09-18 88.4
09-19 95.11
09-20 93.56
09-21 87.23
09-22 86.75
09-23 90.04
09-24 90.91
09-25 90.84
09-26 90.77
09-27 96.29
09-28 96.06
09-29 97.04
09-30 98.3
10-01 100.44
10-02 95.59
10-03 90.52
10-04 94.08
10-05 84.31
10-06 85.42
10-07 83.58
10-08 83.87
10-09 80.15
10-10 77.86
10-11 77.65
10-12 77.89
10-13 70.27
10-14 80.74
10-15 80.66
10-16 92.92
10-17 90.87
10-18 83.47
10-19 74.85
10-20 80.88
10-21 81.18
10-22 81.35
10-23 81.56
10-24 76.48
10-25 76.98
10-26 70.11
10-27 68.06
10-28 65.42
10-29 63.5
10-30 67.48
10-31 69.48
11-01 64.41
11-02 64.6
11-03 68.04
11-04 55.96
11-05 56.71
11-06 59.05
11-07 60.38
11-08 72.79
11-09 73.04
11-10 76.02
11-11 80.66
11-12 80.79
11-13 80.89
11-14 80.54
11-15 82.39
11-16 86.23
11-17 83.81
11-18 87.22
11-19 93.84
11-20 101.99
11-21 93.37
11-22 72.83
11-23 72.7
11-24 72.37
11-25 73.79
11-26 72.67
11-27 78.52
11-28 76.73
11-29 82.75
11-30 82.2
12-01 82.39
12-02 86.22
12-03 102.26
12-04 105.35
12-05 103.06
12-06 117.86
12-07 112.76
12-08 118.4
12-09 131.44
12-10 132.09
12-11 133.04
12-12 128.56
12-13 127.56
12-14 132.8
12-15 122.16
12-16 128.04
12-17 133.11
12-18 132.62
12-19 119.01
12-20 120.06
12-21 127.21
12-22 135.27
12-23 133.82
12-24 143.9
12-25 149.69
12-26 143.28
12-27 140.68
12-28 149.12
12-29 155.12
12-30 155.42
12-31 142.93

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index