Overview Realtime Historical Map View
Heat Advisory
2026-07-15T21:00:00-05:00

* WHAT...Heat index values up to 100. * WHERE...Portage, Waushara, Wood, Calumet, Manitowoc, Winnebago, Brown, Outagamie, and Waupaca Counties. * WHEN...Until 9 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Manitowoc River At Manitowoc, Wi Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 872.67
01-02 837.67
01-03 916.67
01-04 916.0
01-05 882.33
01-06 864.0
01-07 896.0
01-08 853.0
01-09 749.5
01-10 739.5
01-11 683.5
01-12 590.5
01-13 581.0
01-14 531.5
01-15 488.5
01-16 453.0
01-17 374.0
01-18 412.0
01-19 454.0
01-20 523.0
01-21 518.0
01-22 483.0
01-23 374.0
01-24 425.0
01-25 395.0
01-26 394.0
01-27 343.0
01-28 208.0
01-29 285.0
01-30 266.0
01-31 241.0
02-01 214.0
02-02 234.0
02-03 198.0
02-04 204.0
02-05 203.0
02-06 199.0
02-07 223.0
02-08 297.5
02-09 312.5
02-10 1228.0
02-11 1147.0
02-12 995.5
02-13 1008.5
02-14 837.5
02-15 431.0
02-16 656.0
02-17 672.0
02-18 774.0
02-19 841.0
02-20 746.0
02-21 725.0
02-22 668.0
03-07 529.0
03-08 1050.0
03-09 820.33
03-10 856.33
03-11 1150.17
03-12 1111.5
03-13 1233.29
03-14 1194.14
03-15 1152.0
03-16 1762.89
03-17 1659.22
03-18 1606.3
03-19 1675.3
03-20 1135.67
03-21 1092.4
03-22 1143.2
03-23 1212.36
03-24 1250.0
03-25 1242.33
03-26 1216.42
03-27 1156.54
03-28 1155.69
03-29 1147.23
03-30 1135.25
03-31 1110.33
04-01 1341.15
04-02 1347.93
04-03 1486.47
04-04 1391.73
04-05 1449.73
04-06 1418.2
04-07 1391.0
04-08 1332.4
04-09 1301.57
04-10 1304.33
04-11 1288.27
04-12 1259.36
04-13 1350.38
04-14 1413.38
04-15 1505.92
04-16 1456.62
04-17 1344.08
04-18 1283.23
04-19 1229.62
04-20 1180.62
04-21 1176.64
04-22 1162.57
04-23 1117.21
04-24 1064.86
04-25 945.85
04-26 957.71
04-27 896.57
04-28 844.29
04-29 783.5
04-30 764.21
05-01 819.93
05-02 804.21
05-03 794.57
05-04 1020.8
05-05 1162.8
05-06 1080.6
05-07 1032.47
05-08 961.87
05-09 903.8
05-10 860.0
05-11 806.2
05-12 762.27
05-13 774.6
05-14 715.87
05-15 709.43
05-16 676.57
05-17 625.64
05-18 664.87
05-19 663.27
05-20 666.36
05-21 591.0
05-22 560.53
05-23 529.93
05-24 505.27
05-25 479.53
05-26 482.73
05-27 493.93
05-28 481.73
05-29 506.6
05-30 480.13
05-31 461.57
06-01 414.29
06-02 468.09
06-03 478.03
06-04 416.31
06-05 432.01
06-06 407.0
06-07 393.34
06-08 354.75
06-09 351.53
06-10 324.88
06-11 335.99
06-12 338.59
06-13 303.05
06-14 415.62
06-15 433.26
06-16 428.36
06-17 432.09
06-18 443.56
06-19 548.36
06-20 518.01
06-21 562.87
06-22 501.36
06-23 623.59
06-24 689.9
06-25 596.62
06-26 551.91
06-27 527.33
06-28 506.83
06-29 485.03
06-30 444.06
07-01 428.31
07-02 394.07
07-03 372.78
07-04 344.88
07-05 336.14
07-06 319.85
07-07 327.26
07-08 324.72
07-09 332.89
07-10 343.54
07-11 345.62
07-12 326.42
07-13 310.65
07-14 290.06
07-15 585.31
07-16 436.48
07-17 480.02
07-18 420.21
07-19 391.98
07-20 373.51
07-21 353.14
07-22 334.59
07-23 317.61
07-24 302.99
07-25 299.11
07-26 287.82
07-27 278.77
07-28 261.56
07-29 246.66
07-30 228.4
07-31 212.79
08-01 201.67
08-02 179.77
08-03 169.26
08-04 157.6
08-05 166.66
08-06 185.45
08-07 178.86
08-08 219.38
08-09 235.02
08-10 237.54
08-11 244.42
08-12 254.51
08-13 243.74
08-14 233.77
08-15 216.21
08-16 112.15
08-17 167.92
08-18 182.98
08-19 181.76
08-20 180.65
08-21 175.02
08-22 153.53
08-23 135.91
08-24 116.98
08-25 106.64
08-26 109.55
08-27 118.54
08-28 246.59
08-29 388.72
08-30 372.3
08-31 352.49
09-01 338.08
09-02 315.02
09-03 302.96
09-04 317.75
09-05 327.04
09-06 322.13
09-07 297.2
09-08 287.18
09-09 269.85
09-10 275.58
09-11 275.28
09-12 318.1
09-13 290.49
09-14 303.12
09-15 287.64
09-16 264.5
09-17 242.77
09-18 218.33
09-19 198.43
09-20 190.16
09-21 192.2
09-22 273.42
09-23 266.3
09-24 269.36
09-25 265.69
09-26 249.72
09-27 236.87
09-28 237.52
09-29 212.71
09-30 215.66
10-01 181.41
10-02 285.93
10-03 252.62
10-04 278.32
10-05 312.78
10-06 317.12
10-07 310.65
10-08 302.2
10-09 315.21
10-10 301.91
10-11 306.61
10-12 334.56
10-13 337.54
10-14 338.94
10-15 378.38
10-16 343.2
10-17 335.73
10-18 326.15
10-19 323.38
10-20 308.76
10-21 265.81
10-22 282.74
10-23 292.17
10-24 343.89
10-25 339.04
10-26 339.53
10-27 354.04
10-28 354.49
10-29 356.48
10-30 330.57
10-31 316.36
11-01 315.8
11-02 321.45
11-03 309.7
11-04 296.89
11-05 291.04
11-06 253.77
11-07 273.42
11-08 269.46
11-09 240.31
11-10 297.57
11-11 338.69
11-12 269.93
11-13 274.6
11-14 263.18
11-15 262.46
11-16 240.8
11-17 305.98
11-18 326.81
11-19 320.67
11-20 300.73
11-21 338.79
11-22 344.51
11-23 322.01
11-24 317.47
11-25 309.36
11-26 290.99
11-27 337.72
11-28 347.19
11-29 363.03
11-30 400.51
12-01 415.46
12-02 411.2
12-03 407.54
12-04 400.95
12-05 408.8
12-06 337.74
12-07 367.33
12-08 341.53
12-09 348.27
12-10 332.04
12-11 274.49
12-12 289.44
12-13 332.06
12-14 143.06
12-15 143.5
12-16 152.55
12-17 715.65
12-18 651.7
12-19 568.25
12-20 539.25
12-21 319.33
12-22 563.25
12-23 528.75
12-24 682.0
12-25 655.33
12-26 600.0
12-27 549.75
12-28 534.25
12-29 323.0
12-30 573.0
12-31 909.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index