Overview Realtime Historical Map View
Heat Advisory
2026-07-15T20:00:00-04:00

* WHAT...Heat index values up to 101 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern and southern Rhode Island. * WHEN...From 11 AM this morning to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Blackstone River, W. Main St., At Millbury, 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
01-01 243.83
01-02 202.82
01-03 180.5
01-04 190.11
01-05 202.08
01-06 188.4
01-07 196.23
01-08 173.92
01-09 162.52
01-10 322.82
01-11 239.42
01-12 214.25
01-13 231.42
01-14 241.67
01-15 216.42
01-16 189.67
01-17 207.23
01-18 181.67
01-19 261.51
01-20 220.42
01-21 178.38
01-22 158.85
01-23 193.2
01-24 186.22
01-25 290.72
01-26 317.82
01-27 256.85
01-28 203.16
01-29 194.36
01-30 169.21
01-31 156.13
02-01 173.91
02-02 153.31
02-03 144.38
02-04 152.84
02-05 191.32
02-06 138.63
02-07 156.24
02-08 195.99
02-09 152.06
02-10 145.4
02-11 154.67
02-12 166.18
02-13 156.36
02-14 145.32
02-15 145.35
02-16 140.51
02-17 149.6
02-18 168.92
02-19 145.41
02-20 147.39
02-21 138.45
02-22 128.07
02-23 160.21
02-24 161.14
02-25 216.67
02-26 173.09
02-27 163.48
02-28 197.78
02-29 212.25
03-01 182.08
03-02 187.44
03-03 256.71
03-04 203.38
03-05 182.69
03-06 261.29
03-07 289.36
03-08 222.64
03-09 206.79
03-10 271.46
03-11 229.87
03-12 247.18
03-13 294.71
03-14 273.29
03-15 262.71
03-16 258.29
03-17 271.21
03-18 241.29
03-19 209.28
03-20 201.79
03-21 191.87
03-22 194.36
03-23 188.87
03-24 242.6
03-25 234.73
03-26 201.87
03-27 207.2
03-28 198.67
03-29 244.6
03-30 247.53
03-31 285.29
04-01 301.33
04-02 256.47
04-03 243.0
04-04 268.67
04-05 286.13
04-06 245.93
04-07 253.0
04-08 254.01
04-09 238.83
04-10 219.05
04-11 203.35
04-12 183.62
04-13 203.88
04-14 213.81
04-15 291.85
04-16 251.52
04-17 278.44
04-18 226.9
04-19 214.98
04-20 206.13
04-21 219.42
04-22 203.76
04-23 262.93
04-24 235.03
04-25 195.68
04-26 194.37
04-27 237.51
04-28 212.31
04-29 185.87
04-30 198.79
05-01 254.41
05-02 229.05
05-03 201.37
05-04 195.16
05-05 195.81
05-06 196.96
05-07 191.19
05-08 161.6
05-09 184.6
05-10 192.25
05-11 184.3
05-12 152.89
05-13 146.16
05-14 125.3
05-15 139.65
05-16 196.61
05-17 160.24
05-18 165.16
05-19 146.33
05-20 145.8
05-21 149.79
05-22 138.98
05-23 194.38
05-24 155.07
05-25 149.05
05-26 167.21
05-27 151.81
05-28 129.53
05-29 182.05
05-30 164.49
05-31 159.15
06-01 145.66
06-02 211.3
06-03 156.92
06-04 133.09
06-05 124.09
06-06 136.0
06-07 129.84
06-08 200.09
06-09 146.07
06-10 149.27
06-11 148.61
06-12 164.74
06-13 122.44
06-14 155.53
06-15 172.73
06-16 124.21
06-17 112.16
06-18 117.95
06-19 149.71
06-20 125.5
06-21 114.96
06-22 106.19
06-23 159.83
06-24 102.82
06-25 99.5
06-26 132.78
06-27 108.79
06-28 116.36
06-29 126.99
06-30 101.57
07-01 96.02
07-02 172.32
07-03 216.31
07-04 149.33
07-05 117.15
07-06 92.07
07-07 92.44
07-08 106.61
07-09 96.86
07-10 150.76
07-11 164.9
07-12 153.55
07-13 120.42
07-14 135.0
07-15 116.27
07-16 111.19
07-17 141.4
07-18 177.72
07-19 187.08
07-20 119.74
07-21 104.16
07-22 108.79
07-23 116.85
07-24 99.84
07-25 89.64
07-26 108.03
07-27 83.2
07-28 93.73
07-29 106.87
07-30 95.7
07-31 77.33
08-01 106.69
08-02 73.86
08-03 77.39
08-04 68.55
08-05 69.61
08-06 70.27
08-07 63.89
08-08 109.53
08-09 89.17
08-10 161.57
08-11 132.94
08-12 94.92
08-13 82.54
08-14 102.51
08-15 87.91
08-16 181.65
08-17 103.98
08-18 109.71
08-19 105.86
08-20 123.99
08-21 105.25
08-22 152.15
08-23 99.89
08-24 97.15
08-25 88.44
08-26 88.84
08-27 86.68
08-28 117.08
08-29 202.1
08-30 107.95
08-31 94.35
09-01 140.94
09-02 270.2
09-03 138.19
09-04 98.36
09-05 93.95
09-06 126.68
09-07 151.76
09-08 113.94
09-09 222.06
09-10 128.11
09-11 134.6
09-12 117.51
09-13 182.82
09-14 112.35
09-15 88.44
09-16 78.09
09-17 71.91
09-18 72.9
09-19 104.46
09-20 89.44
09-21 77.85
09-22 77.71
09-23 80.43
09-24 94.56
09-25 99.53
09-26 127.68
09-27 112.22
09-28 90.91
09-29 110.35
09-30 142.9
10-01 122.71
10-02 101.65
10-03 91.63
10-04 76.35
10-05 146.92
10-06 90.15
10-07 96.86
10-08 121.33
10-09 99.29
10-10 91.01
10-11 83.51
10-12 94.05
10-13 110.47
10-14 132.36
10-15 110.97
10-16 89.72
10-17 290.23
10-18 138.53
10-19 125.53
10-20 127.8
10-21 130.52
10-22 203.84
10-23 161.17
10-24 148.73
10-25 146.16
10-26 145.17
10-27 167.39
10-28 211.98
10-29 208.72
10-30 372.35
10-31 218.75
11-01 207.5
11-02 206.54
11-03 278.23
11-04 207.93
11-05 167.21
11-06 168.18
11-07 168.32
11-08 153.55
11-09 145.15
11-10 171.1
11-11 163.67
11-12 157.92
11-13 157.15
11-14 170.2
11-15 140.99
11-16 175.55
11-17 156.42
11-18 158.84
11-19 137.78
11-20 141.21
11-21 134.21
11-22 128.31
11-23 122.5
11-24 148.55
11-25 146.49
11-26 144.81
11-27 197.58
11-28 188.43
11-29 138.75
11-30 141.34
12-01 213.95
12-02 156.7
12-03 160.78
12-04 158.02
12-05 134.87
12-06 284.38
12-07 199.57
12-08 214.66
12-09 182.94
12-10 220.81
12-11 291.91
12-12 212.91
12-13 175.24
12-14 214.77
12-15 187.02
12-16 187.31
12-17 213.85
12-18 212.32
12-19 298.08
12-20 218.74
12-21 198.55
12-22 237.67
12-23 255.61
12-24 264.46
12-25 267.25
12-26 282.25
12-27 215.27
12-28 263.45
12-29 215.0
12-30 243.36
12-31 206.17

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index