Heat Advisory
2026-07-15T21:00:00-05:00

* WHAT...Heat index values up to 102. * 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.

Little Wolf River At Royalton, Wi Historical Data

Historical Data


Streamflow Range


Date Average 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 532.5
01-02 508.5
01-03 269.0
01-04 495.0
01-05 193.0
01-06 224.0
01-07 208.0
01-08 168.0
01-09 179.0
01-10 193.0
01-11 197.0
01-12 299.0
01-13 349.0
01-14 290.0
01-15 212.0
01-16 189.0
01-17 269.0
01-18 208.0
01-19 171.0
01-20 201.0
01-21 161.0
01-22 168.0
01-23 157.0
01-24 263.0
01-25 198.0
01-26 205.5
01-27 144.0
01-28 182.0
01-29 231.5
01-30 206.5
01-31 204.5
02-01 255.5
02-02 235.0
02-03 303.0
02-04 290.0
02-05 312.0
02-06 312.0
02-07 303.0
02-08 321.0
02-09 303.0
02-10 303.0
02-11 354.0
02-12 224.0
02-13 269.0
02-14 240.0
02-15 290.0
02-16 248.0
02-17 303.0
02-18 290.0
02-19 281.0
02-20 248.0
02-21 308.0
02-22 326.0
02-23 273.0
02-24 273.0
02-25 295.0
02-26 269.0
02-27 273.0
02-28 240.0
02-29 299.0
03-01 432.0
03-02 511.0
03-03 432.0
03-04 387.0
03-05 344.0
03-06 295.0
03-07 481.0
03-08 701.0
03-09 991.5
03-10 1190.0
03-11 1210.0
03-12 1175.0
03-13 1366.33
03-14 1930.0
03-15 1430.33
03-16 1301.0
03-17 1615.0
03-18 1617.5
03-19 1106.67
03-20 719.8
03-21 946.5
03-22 815.75
03-23 887.8
03-24 813.4
03-25 764.0
03-26 968.83
03-27 865.13
03-28 753.17
03-29 827.29
03-30 814.43
03-31 828.67
04-01 915.29
04-02 1129.89
04-03 991.33
04-04 936.78
04-05 879.22
04-06 847.67
04-07 834.33
04-08 808.11
04-09 765.63
04-10 784.25
04-11 924.56
04-12 823.5
04-13 827.75
04-14 905.63
04-15 874.5
04-16 954.5
04-17 977.25
04-18 1086.5
04-19 1124.38
04-20 1091.63
04-21 1075.78
04-22 1047.11
04-23 1017.75
04-24 1015.38
04-25 755.0
04-26 995.44
04-27 988.56
04-28 989.0
04-29 1015.0
04-30 995.63
05-01 908.7
05-02 867.0
05-03 876.38
05-04 994.11
05-05 1019.78
05-06 910.22
05-07 828.56
05-08 765.11
05-09 723.6
05-10 706.11
05-11 725.89
05-12 725.0
05-13 785.89
05-14 735.11
05-15 657.0
05-16 597.1
05-17 552.4
05-18 546.1
05-19 595.89
05-20 669.0
05-21 707.78
05-22 683.67
05-23 642.3
05-24 646.22
05-25 607.9
05-26 611.9
05-27 597.4
05-28 747.38
05-29 960.38
05-30 868.4
05-31 936.33
06-01 795.1
06-02 726.0
06-03 715.89
06-04 599.13
06-05 615.22
06-06 581.78
06-07 627.89
06-08 598.33
06-09 585.13
06-10 505.0
06-11 426.0
06-12 406.63
06-13 405.0
06-14 437.13
06-15 508.67
06-16 615.56
06-17 725.22
06-18 743.78
06-19 828.88
06-20 804.63
06-21 818.0
06-22 790.0
06-23 753.13
06-24 838.29
06-25 800.0
06-26 738.38
06-27 614.25
06-28 519.75
06-29 505.75
06-30 507.43
07-01 496.25
07-02 447.29
07-03 422.63
07-04 385.88
07-05 343.78
07-06 376.33
07-07 457.63
07-08 527.0
07-09 552.75
07-10 441.0
07-11 410.0
07-12 341.89
07-13 351.78
07-14 338.22
07-15 356.11
07-16 363.0
07-17 290.56
07-18 301.78
07-19 331.78
07-20 362.22
07-21 396.25
07-22 542.78
07-23 543.11
07-24 478.0
07-25 393.33
07-26 365.44
07-27 339.33
07-28 356.67
07-29 367.56
07-30 399.44
07-31 373.11
08-01 323.88
08-02 298.11
08-03 350.33
08-04 345.78
08-05 328.5
08-06 337.11
08-07 330.22
08-08 365.0
08-09 378.25
08-10 364.25
08-11 349.0
08-12 320.56
08-13 297.44
08-14 283.11
08-15 253.13
08-16 231.25
08-17 241.63
08-18 259.29
08-19 285.88
08-20 286.13
08-21 310.13
08-22 262.57
08-23 277.78
08-24 281.63
08-25 260.63
08-26 277.67
08-27 303.56
08-28 298.11
08-29 363.89
08-30 371.11
08-31 392.44
09-01 428.11
09-02 386.11
09-03 381.56
09-04 367.67
09-05 490.22
09-06 487.44
09-07 518.78
09-08 499.44
09-09 509.44
09-10 471.44
09-11 453.78
09-12 495.67
09-13 508.56
09-14 529.89
09-15 513.0
09-16 483.22
09-17 429.11
09-18 379.44
09-19 364.22
09-20 339.0
09-21 404.11
09-22 429.75
09-23 460.0
09-24 438.11
09-25 404.33
09-26 401.56
09-27 431.67
09-28 381.63
09-29 421.44
09-30 411.44
10-01 362.75
10-02 400.0
10-03 430.86
10-04 475.88
10-05 518.88
10-06 527.75
10-07 482.0
10-08 484.22
10-09 510.56
10-10 519.11
10-11 515.11
10-12 506.78
10-13 486.0
10-14 494.56
10-15 562.38
10-16 608.11
10-17 576.89
10-18 533.22
10-19 485.67
10-20 433.44
10-21 404.75
10-22 401.33
10-23 355.0
10-24 413.56
10-25 402.56
10-26 390.33
10-27 397.56
10-28 412.78
10-29 431.5
10-30 423.0
10-31 445.88
11-01 421.33
11-02 388.5
11-03 392.0
11-04 381.67
11-05 430.88
11-06 455.86
11-07 497.33
11-08 576.6
11-09 543.0
11-10 482.0
11-11 473.43
11-12 487.29
11-13 463.86
11-14 510.5
11-15 442.6
11-16 438.17
11-17 444.71
11-18 434.83
11-19 421.0
11-20 420.33
11-21 435.43
11-22 457.14
11-23 457.0
11-24 431.0
11-25 417.14
11-26 414.43
11-27 427.71
11-28 494.57
11-29 526.0
11-30 544.17
12-01 562.17
12-02 549.43
12-03 545.83
12-04 480.83
12-05 408.4
12-06 419.2
12-07 408.17
12-08 337.2
12-09 396.2
12-10 400.0
12-11 346.0
12-12 288.67
12-13 341.67
12-14 216.0
12-15 301.33
12-16 943.25
12-17 949.0
12-18 715.25
12-19 546.25
12-20 348.0
12-21 279.67
12-22 478.75
12-23 452.0
12-24 295.0
12-25 561.0
12-26 340.0
12-27 456.5
12-28 256.0
12-29 316.0
12-30 404.5
12-31 459.5

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index