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Shell Rock River At Shell Rock, 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 1594.0
01-02 1371.17
01-03 1238.67
01-04 1147.83
01-05 1154.67
01-06 1071.17
01-07 985.67
01-08 991.5
01-09 924.17
01-10 903.33
01-11 807.83
01-12 742.0
01-13 658.57
01-14 704.14
01-15 709.29
01-16 694.57
01-17 671.17
01-18 545.4
01-19 527.8
01-20 457.0
01-21 473.6
01-22 502.6
01-23 562.6
01-24 544.2
01-25 507.4
01-26 368.75
01-27 367.25
01-28 466.8
01-29 444.75
01-30 446.75
01-31 453.25
02-01 443.25
02-02 393.4
02-03 432.2
02-04 381.33
02-05 354.83
02-06 363.83
02-07 375.17
02-08 382.0
02-09 350.67
02-10 320.83
02-11 310.0
02-12 321.83
02-13 335.0
02-14 342.33
02-15 324.33
02-16 356.0
02-17 326.83
02-18 329.33
02-19 227.6
02-20 354.67
02-21 514.83
02-22 626.67
02-23 756.17
02-24 855.83
02-25 887.8
02-26 833.8
02-27 792.33
02-28 862.14
02-29 1707.0
03-01 1219.71
03-02 1396.43
03-03 1624.63
03-04 1410.63
03-05 1431.88
03-06 1540.38
03-07 1381.89
03-08 1360.22
03-09 1502.0
03-10 1789.3
03-11 2270.27
03-12 2199.91
03-13 1635.82
03-14 1510.55
03-15 1559.33
03-16 1716.67
03-17 1648.92
03-18 1600.42
03-19 1658.0
03-20 2539.5
03-21 3056.08
03-22 2425.33
03-23 2661.0
03-24 2221.93
03-25 2115.07
03-26 2053.27
03-27 2008.6
03-28 2043.53
03-29 2225.27
03-30 2167.73
03-31 2208.79
04-01 2317.07
04-02 2428.07
04-03 2271.8
04-04 2326.4
04-05 2426.8
04-06 2435.27
04-07 2221.07
04-08 2045.0
04-09 1791.29
04-10 1838.13
04-11 1959.93
04-12 2115.64
04-13 2151.29
04-14 2132.07
04-15 2439.38
04-16 3198.69
04-17 2697.15
04-18 2359.54
04-19 2260.0
04-20 2255.15
04-21 2486.79
04-22 2785.36
04-23 2721.21
04-24 2642.5
04-25 2114.69
04-26 2487.86
04-27 2305.43
04-28 2145.64
04-29 2239.43
04-30 2341.29
05-01 2496.8
05-02 2472.21
05-03 2491.79
05-04 2557.86
05-05 2995.13
05-06 3150.47
05-07 2900.73
05-08 2581.86
05-09 2353.27
05-10 2134.71
05-11 2244.13
05-12 2117.8
05-13 2250.8
05-14 2232.0
05-15 2341.93
05-16 2346.79
05-17 2267.21
05-18 2097.47
05-19 2485.6
05-20 2609.71
05-21 2627.87
05-22 2793.87
05-23 2758.8
05-24 2618.13
05-25 2619.0
05-26 2626.13
05-27 2771.27
05-28 3054.87
05-29 3188.6
05-30 3106.27
05-31 2915.8
06-01 2677.0
06-02 2597.36
06-03 2357.0
06-04 2190.0
06-05 2149.14
06-06 2289.21
06-07 2162.29
06-08 1901.47
06-09 2040.8
06-10 2690.4
06-11 3500.53
06-12 3073.86
06-13 2565.07
06-14 2899.64
06-15 3156.2
06-16 2925.53
06-17 3045.87
06-18 3014.73
06-19 2724.71
06-20 2810.36
06-21 3260.79
06-22 3644.86
06-23 3924.14
06-24 4188.5
06-25 3827.93
06-26 3683.71
06-27 3654.07
06-28 3561.64
06-29 3347.93
06-30 3011.0
07-01 2868.93
07-02 2859.86
07-03 2636.57
07-04 2458.43
07-05 2163.2
07-06 2015.6
07-07 2030.86
07-08 1932.36
07-09 1767.86
07-10 2108.87
07-11 1950.4
07-12 1858.4
07-13 1781.64
07-14 1542.43
07-15 1678.5
07-16 1561.29
07-17 1556.36
07-18 1838.43
07-19 1934.14
07-20 1955.21
07-21 2002.43
07-22 1847.5
07-23 1754.86
07-24 1596.57
07-25 1702.71
07-26 2103.43
07-27 1993.29
07-28 1706.79
07-29 1552.79
07-30 1633.21
07-31 1679.5
08-01 1979.92
08-02 1560.07
08-03 1329.0
08-04 1166.07
08-05 1074.57
08-06 1026.21
08-07 1024.43
08-08 1045.62
08-09 1142.54
08-10 1007.0
08-11 926.36
08-12 970.36
08-13 981.79
08-14 1002.86
08-15 934.64
08-16 879.54
08-17 814.54
08-18 785.5
08-19 902.62
08-20 1278.62
08-21 1425.0
08-22 1387.67
08-23 1156.93
08-24 984.54
08-25 921.46
08-26 1635.29
08-27 1463.43
08-28 1237.57
08-29 1490.21
08-30 1829.36
08-31 1633.62
09-01 1245.64
09-02 1255.29
09-03 1457.86
09-04 1246.5
09-05 1207.86
09-06 2020.15
09-07 1702.21
09-08 1495.85
09-09 1586.93
09-10 1587.21
09-11 1584.5
09-12 1474.5
09-13 1266.43
09-14 1252.29
09-15 1200.93
09-16 1084.07
09-17 1206.57
09-18 1325.29
09-19 1275.14
09-20 1522.71
09-21 2187.71
09-22 2750.31
09-23 7103.14
09-24 6060.21
09-25 3485.21
09-26 2506.07
09-27 2096.0
09-28 1838.14
09-29 1637.29
09-30 1534.31
10-01 1126.08
10-02 1017.85
10-03 1192.85
10-04 1259.0
10-05 1434.71
10-06 1370.93
10-07 1553.14
10-08 1551.57
10-09 1277.46
10-10 1648.31
10-11 1908.86
10-12 1832.57
10-13 1629.29
10-14 1503.07
10-15 1562.46
10-16 1137.0
10-17 1076.08
10-18 1122.0
10-19 1055.93
10-20 1006.07
10-21 746.33
10-22 1008.86
10-23 1137.36
10-24 1124.79
10-25 1042.86
10-26 998.14
10-27 1105.29
10-28 1225.71
10-29 1169.79
10-30 1129.07
10-31 1091.29
11-01 1036.86
11-02 1026.69
11-03 935.29
11-04 901.5
11-05 910.5
11-06 853.23
11-07 856.31
11-08 844.92
11-09 821.69
11-10 784.15
11-11 768.69
11-12 773.69
11-13 781.69
11-14 804.29
11-15 775.07
11-16 773.36
11-17 751.43
11-18 730.31
11-19 710.77
11-20 692.69
11-21 742.43
11-22 781.62
11-23 812.36
11-24 815.92
11-25 809.62
11-26 798.14
11-27 796.64
11-28 712.0
11-29 817.5
11-30 808.43
12-01 770.79
12-02 833.14
12-03 872.0
12-04 850.5
12-05 843.46
12-06 716.58
12-07 780.85
12-08 760.42
12-09 746.5
12-10 728.67
12-11 705.67
12-12 587.82
12-13 617.73
12-14 569.4
12-15 593.11
12-16 604.86
12-17 1505.0
12-18 1397.57
12-19 1233.29
12-20 650.67
12-21 676.67
12-22 1074.86
12-23 987.71
12-24 978.71
12-25 1018.43
12-26 986.14
12-27 950.57
12-28 1279.57
12-29 1357.0
12-30 1433.14
12-31 1717.33

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index