Overview Realtime Historical Map View
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.

Charles River At Dover, 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
01-01 561.5
01-02 499.0
01-03 497.45
01-04 529.11
01-05 491.64
01-06 472.91
01-07 458.09
01-08 442.55
01-09 426.0
01-10 460.9
01-11 471.27
01-12 494.55
01-13 564.7
01-14 574.7
01-15 584.0
01-16 561.0
01-17 589.64
01-18 460.18
01-19 534.5
01-20 511.92
01-21 487.09
01-22 488.82
01-23 447.4
01-24 456.5
01-25 507.1
01-26 532.6
01-27 589.0
01-28 591.0
01-29 598.5
01-30 538.73
01-31 513.36
02-01 519.0
02-02 491.0
02-03 459.18
02-04 439.2
02-05 444.9
02-06 424.0
02-07 463.22
02-08 422.89
02-09 426.18
02-10 427.4
02-11 389.25
02-12 395.67
02-13 376.31
02-14 348.33
02-15 372.0
02-16 372.92
02-17 367.9
02-18 420.0
02-19 376.0
02-20 389.14
02-21 383.86
02-22 362.38
02-23 372.64
02-24 371.0
02-25 378.25
02-26 382.0
02-27 402.08
02-28 435.69
02-29 416.25
03-01 441.54
03-02 447.71
03-03 484.5
03-04 488.71
03-05 500.5
03-06 510.29
03-07 516.71
03-08 524.21
03-09 527.43
03-10 477.54
03-11 537.0
03-12 556.54
03-13 550.21
03-14 556.71
03-15 581.14
03-16 590.43
03-17 600.93
03-18 603.86
03-19 572.93
03-20 571.07
03-21 546.93
03-22 538.79
03-23 505.93
03-24 519.93
03-25 510.0
03-26 508.0
03-27 511.4
03-28 509.0
03-29 525.73
03-30 524.87
03-31 556.36
04-01 569.13
04-02 588.13
04-03 571.86
04-04 623.93
04-05 643.93
04-06 641.6
04-07 640.8
04-08 627.4
04-09 626.64
04-10 604.93
04-11 573.6
04-12 507.93
04-13 491.43
04-14 470.57
04-15 441.08
04-16 432.85
04-17 465.92
04-18 462.15
04-19 469.0
04-20 473.92
04-21 459.21
04-22 453.79
04-23 461.5
04-24 487.64
04-25 472.23
04-26 505.43
04-27 509.86
04-28 501.5
04-29 485.93
04-30 472.5
05-01 465.27
05-02 456.14
05-03 450.86
05-04 446.33
05-05 443.5
05-06 430.2
05-07 420.27
05-08 396.0
05-09 380.29
05-10 358.79
05-11 342.46
05-12 328.0
05-13 344.07
05-14 311.31
05-15 296.54
05-16 302.75
05-17 301.86
05-18 312.2
05-19 304.27
05-20 286.21
05-21 292.4
05-22 273.53
05-23 283.33
05-24 281.73
05-25 283.4
05-26 287.77
05-27 281.29
05-28 270.95
05-29 267.28
05-30 258.61
05-31 258.35
06-01 261.44
06-02 253.8
06-03 253.51
06-04 243.88
06-05 220.89
06-06 246.73
06-07 231.89
06-08 262.44
06-09 260.45
06-10 263.47
06-11 261.94
06-12 281.8
06-13 275.75
06-14 283.02
06-15 285.08
06-16 278.79
06-17 280.61
06-18 280.1
06-19 285.06
06-20 263.21
06-21 248.39
06-22 235.34
06-23 223.64
06-24 215.19
06-25 198.22
06-26 185.4
06-27 173.57
06-28 167.09
06-29 166.93
06-30 170.44
07-01 168.23
07-02 175.75
07-03 180.46
07-04 186.99
07-05 180.87
07-06 179.77
07-07 219.52
07-08 215.53
07-09 177.84
07-10 205.89
07-11 230.4
07-12 251.01
07-13 247.81
07-14 243.64
07-15 225.26
07-16 222.9
07-17 228.18
07-18 212.82
07-19 206.57
07-20 185.51
07-21 168.92
07-22 189.56
07-23 159.46
07-24 159.26
07-25 161.26
07-26 178.78
07-27 174.88
07-28 164.14
07-29 160.84
07-30 158.99
07-31 138.58
08-01 132.95
08-02 119.59
08-03 119.71
08-04 111.09
08-05 125.44
08-06 124.49
08-07 117.39
08-08 166.33
08-09 183.97
08-10 192.4
08-11 189.4
08-12 187.51
08-13 178.26
08-14 166.01
08-15 141.64
08-16 142.16
08-17 128.78
08-18 126.98
08-19 106.76
08-20 106.66
08-21 104.52
08-22 114.78
08-23 119.44
08-24 125.22
08-25 116.7
08-26 109.43
08-27 105.64
08-28 119.0
08-29 144.83
08-30 137.18
08-31 136.56
09-01 137.82
09-02 182.2
09-03 180.97
09-04 175.36
09-05 173.11
09-06 169.9
09-07 171.67
09-08 158.32
09-09 166.66
09-10 163.67
09-11 162.5
09-12 155.48
09-13 156.92
09-14 154.84
09-15 144.49
09-16 139.5
09-17 133.53
09-18 130.66
09-19 153.26
09-20 147.46
09-21 157.94
09-22 174.62
09-23 159.81
09-24 155.54
09-25 150.02
09-26 159.4
09-27 156.63
09-28 156.24
09-29 166.04
09-30 186.52
10-01 150.08
10-02 149.36
10-03 150.74
10-04 137.58
10-05 201.55
10-06 153.55
10-07 200.1
10-08 198.77
10-09 188.36
10-10 180.09
10-11 163.44
10-12 159.46
10-13 158.68
10-14 152.44
10-15 159.62
10-16 132.12
10-17 180.34
10-18 171.74
10-19 179.77
10-20 151.29
10-21 159.73
10-22 175.88
10-23 180.58
10-24 196.33
10-25 197.35
10-26 213.31
10-27 211.41
10-28 233.75
10-29 221.85
10-30 272.68
10-31 293.5
11-01 352.43
11-02 369.0
11-03 355.46
11-04 335.71
11-05 316.07
11-06 310.1
11-07 291.4
11-08 268.02
11-09 252.35
11-10 259.04
11-11 253.56
11-12 245.95
11-13 254.16
11-14 262.51
11-15 264.14
11-16 275.21
11-17 291.0
11-18 321.85
11-19 329.69
11-20 327.54
11-21 307.0
11-22 306.86
11-23 302.23
11-24 315.92
11-25 328.58
11-26 333.21
11-27 361.0
11-28 377.67
11-29 360.54
11-30 356.46
12-01 359.85
12-02 380.23
12-03 368.93
12-04 370.36
12-05 364.0
12-06 386.31
12-07 354.71
12-08 363.91
12-09 407.69
12-10 435.57
12-11 456.07
12-12 500.23
12-13 508.62
12-14 573.36
12-15 501.38
12-16 502.92
12-17 496.83
12-18 495.75
12-19 506.77
12-20 532.25
12-21 581.64
12-22 555.0
12-23 512.62
12-24 557.25
12-25 550.75
12-26 573.5
12-27 560.67
12-28 604.73
12-29 605.36
12-30 513.0
12-31 572.42

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index