Overview Realtime Historical Map View
Heat Advisory
2026-07-20T20:00:00-05:00

* WHAT...Heat index values up to 109 expected. * WHERE...All of central Iowa. * WHEN...From noon to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

South Skunk River Near Oskaloosa, 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 2090.25
01-02 2370.0
01-03 2150.0
01-04 2013.33
01-05 1900.0
01-06 1803.33
01-07 1730.0
01-08 1830.0
01-09 2153.33
01-10 2046.67
01-11 1880.0
01-12 1920.0
01-13 2245.67
01-14 2117.33
01-15 2223.33
01-16 2150.67
01-17 2123.33
01-18 1875.0
01-19 1740.0
01-20 1940.0
01-21 2745.0
01-22 2715.0
01-23 2780.0
01-24 2870.0
01-25 2790.0
01-26 2700.0
01-27 2560.0
01-28 2510.0
01-29 2350.0
01-30 2370.0
01-31 2460.0
02-01 2900.0
02-02 2260.0
02-03 2410.0
02-04 2350.0
02-05 1870.0
02-06 1620.0
02-07 1650.0
02-08 1910.0
02-09 1830.0
02-15 357.5
02-16 374.5
02-17 354.5
02-18 320.0
02-19 285.0
02-20 145.0
02-21 143.0
02-22 154.0
02-23 163.0
02-24 2112.0
02-25 1933.0
02-26 1698.5
02-27 1526.0
02-28 1380.0
02-29 1337.0
03-01 1431.5
03-02 1323.5
03-03 1609.75
03-04 1391.5
03-05 1234.25
03-06 1100.4
03-07 1064.17
03-08 1348.43
03-09 1328.38
03-10 2055.0
03-11 2024.89
03-12 1727.55
03-13 1404.73
03-14 1136.82
03-15 982.08
03-16 1087.62
03-17 1087.15
03-18 1117.62
03-19 1105.43
03-20 1735.21
03-21 1764.86
03-22 1270.07
03-23 1417.8
03-24 1304.67
03-25 1292.67
03-26 1285.47
03-27 1315.4
03-28 1342.53
03-29 1261.13
03-30 1192.93
03-31 1270.86
04-01 1317.87
04-02 1207.93
04-03 1187.47
04-04 1335.8
04-05 1515.33
04-06 1623.73
04-07 1547.93
04-08 1401.73
04-09 1232.36
04-10 1184.87
04-11 1377.33
04-12 1288.21
04-13 1237.5
04-14 1393.57
04-15 1266.08
04-16 1724.58
04-17 1830.83
04-18 1697.25
04-19 1508.33
04-20 1392.75
04-21 1344.54
04-22 1468.85
04-23 1558.85
04-24 1671.85
04-25 1708.75
04-26 1732.92
04-27 1701.85
04-28 1596.23
04-29 1653.92
04-30 1798.38
05-01 1790.71
05-02 1625.23
05-03 1642.46
05-04 1732.0
05-05 1941.85
05-06 1905.08
05-07 1977.8
05-08 1757.07
05-09 1735.13
05-10 1806.93
05-11 1893.73
05-12 1760.93
05-13 1664.6
05-14 1607.36
05-15 1718.93
05-16 1612.36
05-17 1682.07
05-18 1769.53
05-19 2059.4
05-20 2160.57
05-21 2321.13
05-22 2961.27
05-23 2671.6
05-24 2356.87
05-25 2283.07
05-26 2781.53
05-27 3196.8
05-28 3454.53
05-29 3498.13
05-30 3535.4
05-31 3134.73
06-01 2803.47
06-02 2609.8
06-03 2474.67
06-04 2238.4
06-05 2166.07
06-06 2000.36
06-07 2112.86
06-08 2132.0
06-09 1924.6
06-10 1961.73
06-11 2574.33
06-12 2518.07
06-13 2404.5
06-14 2098.64
06-15 2733.67
06-16 2818.53
06-17 2844.87
06-18 2634.8
06-19 2704.71
06-20 2644.07
06-21 3164.21
06-22 2988.14
06-23 3034.07
06-24 2757.36
06-25 2814.43
06-26 2827.14
06-27 2954.57
06-28 3262.57
06-29 3212.57
06-30 2781.79
07-01 2665.5
07-02 3022.64
07-03 2893.64
07-04 2457.0
07-05 3193.29
07-06 4678.07
07-07 4069.07
07-08 3929.71
07-09 3474.0
07-10 2770.2
07-11 2311.67
07-12 2168.13
07-13 2133.79
07-14 1999.93
07-15 1617.8
07-16 1363.31
07-17 1366.33
07-18 1205.6
07-19 1099.0
07-20 1177.21
07-21 1348.29
07-22 1291.93
07-23 1197.64
07-24 1116.0
07-25 1142.5
07-26 1155.79
07-27 1154.5
07-28 1067.14
07-29 1121.57
07-30 1130.71
07-31 1134.65
08-01 1252.61
08-02 1082.62
08-03 948.49
08-04 779.4
08-05 673.14
08-06 609.83
08-07 571.07
08-08 529.38
08-09 592.52
08-10 535.72
08-11 888.73
08-12 1194.76
08-13 1139.49
08-14 950.9
08-15 777.94
08-16 686.93
08-17 598.78
08-18 438.48
08-19 503.5
08-20 447.38
08-21 450.61
08-22 669.81
08-23 848.49
08-24 675.61
08-25 700.75
08-26 656.18
08-27 563.16
08-28 490.79
08-29 497.24
08-30 743.68
08-31 895.2
09-01 885.62
09-02 1201.83
09-03 1542.61
09-04 1462.88
09-05 1376.36
09-06 1259.39
09-07 1503.52
09-08 1248.65
09-09 1435.71
09-10 1671.59
09-11 1558.55
09-12 1265.75
09-13 1013.56
09-14 863.34
09-15 756.66
09-16 682.17
09-17 759.81
09-18 939.52
09-19 1020.74
09-20 912.23
09-21 790.94
09-22 646.69
09-23 797.87
09-24 918.85
09-25 945.88
09-26 929.49
09-27 1083.93
09-28 1015.51
09-29 886.71
09-30 826.3
10-01 567.95
10-02 572.19
10-03 899.72
10-04 852.62
10-05 1167.29
10-06 1307.75
10-07 1113.41
10-08 1064.51
10-09 1155.21
10-10 1331.34
10-11 1433.63
10-12 1427.54
10-13 1412.99
10-14 1485.69
10-15 1608.46
10-16 916.68
10-17 1126.92
10-18 992.15
10-19 884.15
10-20 809.45
10-21 595.54
10-22 778.83
10-23 864.69
10-24 890.54
10-25 801.85
10-26 779.35
10-27 747.69
10-28 724.64
10-29 725.06
10-30 685.83
10-31 684.07
11-01 666.84
11-02 572.76
11-03 611.26
11-04 634.87
11-05 682.16
11-06 680.22
11-07 699.23
11-08 670.74
11-09 625.18
11-10 597.51
11-11 593.79
11-12 630.25
11-13 643.5
11-14 654.78
11-15 632.35
11-16 578.7
11-17 529.38
11-18 451.07
11-19 432.63
11-20 426.83
11-21 507.69
11-22 540.98
11-23 468.64
11-24 545.72
11-25 521.63
11-26 533.28
11-27 772.38
11-28 400.34
11-29 700.99
11-30 655.2
12-01 668.1
12-02 756.57
12-03 817.54
12-04 791.7
12-05 757.01
12-06 726.93
12-07 693.86
12-08 663.88
12-09 848.64
12-10 874.34
12-11 852.08
12-12 756.48
12-13 606.48
12-14 444.36
12-15 443.26
12-16 494.0
12-17 2522.29
12-18 2714.71
12-19 3121.67
12-20 1222.75
12-21 1257.0
12-22 2386.4
12-23 2087.8
12-24 2572.5
12-25 2521.0
12-26 1975.0
12-27 1474.0
12-28 1647.6
12-29 1507.5
12-30 2087.2
12-31 2247.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index