Overview Realtime Historical Map View
Heat Advisory
2026-07-18T19:00:00-05:00

* WHAT...Heat index values up to 102 expected. * WHERE...In Illinois, Mercer and Rock Island Counties. In Iowa, Muscatine, Scott, Keokuk, Louisa, and Washington Counties. * WHEN...From noon today to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

North Skunk River Near Sigourney, Ia Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 721.0
01-02 633.0
01-03 728.25
01-04 680.0
01-05 516.6
01-06 491.8
01-07 476.2
01-08 877.25
01-09 1146.25
01-10 914.0
01-11 635.0
01-12 551.0
01-13 649.5
01-14 615.25
01-15 622.0
01-16 629.0
01-17 574.75
01-18 375.42
01-19 400.76
01-20 695.33
01-21 791.0
01-22 884.5
01-23 823.0
01-24 775.5
01-25 703.5
01-26 459.0
01-27 599.0
01-28 679.0
01-29 651.0
01-30 633.0
01-31 624.0
02-01 681.5
02-02 890.5
02-03 1082.0
02-04 1045.5
02-05 526.0
02-06 439.33
02-07 385.0
02-08 536.5
02-09 733.5
02-10 656.0
02-11 557.0
02-12 565.0
02-13 380.0
02-14 367.0
02-15 336.33
02-16 308.67
02-17 310.33
02-18 366.0
02-19 186.5
02-20 787.67
02-21 1091.33
02-22 685.0
02-23 476.67
02-24 562.5
02-25 503.0
02-26 396.67
02-27 359.0
02-28 346.0
02-29 413.0
03-01 374.33
03-02 386.67
03-03 326.5
03-04 348.4
03-05 323.6
03-06 279.33
03-07 255.6
03-08 277.24
03-09 380.0
03-10 763.21
03-11 1019.5
03-12 905.41
03-13 1187.16
03-14 1025.6
03-15 589.17
03-16 434.95
03-17 447.65
03-18 389.97
03-19 337.03
03-20 596.22
03-21 650.12
03-22 368.15
03-23 489.03
03-24 483.32
03-25 461.87
03-26 445.37
03-27 437.95
03-28 497.56
03-29 513.67
03-30 447.53
03-31 448.5
04-01 520.64
04-02 447.5
04-03 482.71
04-04 465.33
04-05 581.4
04-06 688.73
04-07 607.27
04-08 497.0
04-09 437.57
04-10 419.0
04-11 598.47
04-12 776.71
04-13 593.64
04-14 510.5
04-15 705.15
04-16 964.31
04-17 887.46
04-18 1115.38
04-19 1436.69
04-20 1411.31
04-21 1058.5
04-22 931.36
04-23 916.43
04-24 782.86
04-25 686.85
04-26 624.5
04-27 601.86
04-28 531.0
04-29 510.07
04-30 687.21
05-01 722.4
05-02 577.21
05-03 569.07
05-04 630.29
05-05 1047.47
05-06 857.53
05-07 758.33
05-08 643.0
05-09 538.87
05-10 645.86
05-11 576.4
05-12 581.33
05-13 570.13
05-14 540.29
05-15 617.79
05-16 577.43
05-17 550.86
05-18 923.47
05-19 989.93
05-20 1572.71
05-21 1255.5
05-22 1228.64
05-23 1005.27
05-24 927.27
05-25 940.0
05-26 949.73
05-27 1522.93
05-28 1562.87
05-29 2485.07
05-30 2053.8
05-31 1749.53
06-01 1464.6
06-02 1201.47
06-03 945.6
06-04 834.93
06-05 640.07
06-06 572.64
06-07 656.0
06-08 578.13
06-09 825.53
06-10 724.0
06-11 984.47
06-12 958.14
06-13 1170.64
06-14 594.69
06-15 694.79
06-16 915.0
06-17 1155.27
06-18 971.2
06-19 761.0
06-20 627.5
06-21 1150.79
06-22 1180.71
06-23 1195.71
06-24 1235.07
06-25 1262.5
06-26 1257.86
06-27 1218.29
06-28 1474.64
06-29 1461.71
06-30 1369.29
07-01 1299.57
07-02 1332.79
07-03 1611.0
07-04 1457.43
07-05 1290.8
07-06 1108.8
07-07 832.46
07-08 737.23
07-09 729.57
07-10 522.47
07-11 519.93
07-12 502.87
07-13 628.64
07-14 634.4
07-15 515.47
07-16 427.54
07-17 500.53
07-18 417.93
07-19 320.05
07-20 368.98
07-21 326.1
07-22 511.15
07-23 523.54
07-24 433.46
07-25 418.37
07-26 534.84
07-27 442.31
07-28 363.16
07-29 420.76
07-30 683.17
07-31 626.3
08-01 564.15
08-02 465.56
08-03 452.3
08-04 352.75
08-05 268.24
08-06 206.34
08-07 198.61
08-08 175.38
08-09 211.85
08-10 163.96
08-11 368.66
08-12 460.41
08-13 394.1
08-14 301.44
08-15 234.23
08-16 198.48
08-17 175.65
08-18 124.84
08-19 110.88
08-20 142.65
08-21 122.83
08-22 186.39
08-23 165.99
08-24 148.62
08-25 133.25
08-26 158.22
08-27 130.84
08-28 165.35
08-29 132.71
08-30 150.54
08-31 178.28
09-01 163.04
09-02 428.0
09-03 523.84
09-04 430.29
09-05 388.44
09-06 646.19
09-07 1003.61
09-08 1107.37
09-09 759.85
09-10 683.65
09-11 785.57
09-12 555.95
09-13 596.41
09-14 476.52
09-15 238.94
09-16 204.56
09-17 179.64
09-18 247.72
09-19 341.65
09-20 404.99
09-21 341.84
09-22 174.33
09-23 223.28
09-24 215.06
09-25 195.55
09-26 175.64
09-27 196.14
09-28 197.96
09-29 174.09
09-30 197.17
10-01 171.91
10-02 127.7
10-03 287.58
10-04 346.42
10-05 394.22
10-06 386.95
10-07 812.26
10-08 611.59
10-09 715.24
10-10 697.85
10-11 712.34
10-12 819.64
10-13 822.55
10-14 662.76
10-15 893.97
10-16 423.62
10-17 517.38
10-18 399.61
10-19 303.64
10-20 251.43
10-21 181.43
10-22 211.72
10-23 236.09
10-24 227.62
10-25 305.49
10-26 354.61
10-27 250.29
10-28 248.61
10-29 276.94
10-30 310.56
10-31 255.67
11-01 229.16
11-02 176.51
11-03 203.36
11-04 196.39
11-05 315.39
11-06 284.08
11-07 247.0
11-08 228.38
11-09 203.25
11-10 190.2
11-11 189.08
11-12 259.4
11-13 280.65
11-14 228.91
11-15 200.79
11-16 189.74
11-17 182.41
11-18 153.03
11-19 146.78
11-20 256.31
11-21 182.85
11-22 142.57
11-23 183.6
11-24 196.65
11-25 222.57
11-26 265.66
11-27 461.11
11-28 172.25
11-29 460.71
11-30 466.64
12-01 366.73
12-02 524.97
12-03 445.96
12-04 359.16
12-05 326.78
12-06 312.1
12-07 279.32
12-08 267.52
12-09 263.48
12-10 255.49
12-11 245.6
12-12 244.51
12-13 211.05
12-14 173.19
12-15 165.67
12-16 205.7
12-17 1020.23
12-18 917.42
12-19 967.71
12-20 226.5
12-21 219.83
12-22 586.17
12-23 538.17
12-24 600.17
12-25 790.5
12-26 801.83
12-27 604.67
12-28 762.33
12-29 654.4
12-30 781.67
12-31 755.4

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index