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Upper Iowa River Near Dorchester, 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
01-01 989.75
01-02 1070.33
01-03 778.5
01-04 746.75
01-05 712.0
01-06 842.75
01-07 732.75
01-08 777.75
01-09 660.75
01-10 619.75
01-11 653.0
01-12 926.0
01-13 790.0
01-14 890.0
01-15 843.67
01-16 780.67
01-17 977.33
01-18 629.5
01-19 592.5
01-20 612.5
01-21 872.5
01-22 933.5
01-23 757.67
01-24 776.0
01-25 599.67
01-26 652.5
01-27 556.5
01-28 190.0
01-29 185.0
01-30 211.5
01-31 214.5
02-01 228.5
02-02 208.0
02-03 215.0
02-04 208.0
02-05 208.0
02-06 205.0
02-07 202.0
02-14 218.0
02-15 211.0
02-16 221.0
02-17 202.0
02-18 183.0
02-19 186.0
02-20 180.0
02-21 186.0
02-22 192.0
02-23 192.0
02-24 195.0
02-25 471.0
02-26 474.0
02-27 461.5
02-28 445.0
02-29 513.5
03-01 1495.0
03-02 1038.0
03-03 1532.33
03-04 908.2
03-05 835.6
03-06 1051.33
03-07 949.38
03-08 955.13
03-09 1053.75
03-10 1104.88
03-11 1552.2
03-12 1106.09
03-13 944.82
03-14 822.82
03-15 693.17
03-16 659.83
03-17 663.75
03-18 692.25
03-19 716.0
03-20 916.07
03-21 970.13
03-22 883.71
03-23 983.47
03-24 930.87
03-25 883.27
03-26 824.87
03-27 794.2
03-28 962.0
03-29 1013.2
03-30 1097.47
03-31 1175.0
04-01 1153.93
04-02 1135.07
04-03 1076.6
04-04 1119.0
04-05 1192.4
04-06 1131.2
04-07 1059.53
04-08 974.47
04-09 925.64
04-10 927.2
04-11 1441.93
04-12 1353.86
04-13 1076.57
04-14 1023.79
04-15 1242.0
04-16 1725.23
04-17 1383.0
04-18 1179.31
04-19 1105.77
04-20 1091.62
04-21 1168.5
04-22 1316.57
04-23 1356.36
04-24 1321.71
04-25 1205.69
04-26 1206.86
04-27 1082.43
04-28 1026.36
04-29 1012.14
04-30 978.14
05-01 1084.27
05-02 993.69
05-03 1111.71
05-04 1271.57
05-05 1599.0
05-06 1504.4
05-07 1364.29
05-08 1209.36
05-09 1144.53
05-10 1146.2
05-11 1143.73
05-12 1130.33
05-13 1107.87
05-14 1063.57
05-15 1117.19
05-16 1053.96
05-17 1069.57
05-18 1007.2
05-19 1070.87
05-20 1120.57
05-21 1156.27
05-22 1504.87
05-23 1177.73
05-24 1128.47
05-25 1134.8
05-26 1094.13
05-27 1101.67
05-28 1245.13
05-29 1357.67
05-30 1458.67
05-31 1440.27
06-01 1553.6
06-02 1201.07
06-03 1292.33
06-04 1168.2
06-05 1117.0
06-06 1067.64
06-07 1015.29
06-08 947.47
06-09 954.6
06-10 1037.0
06-11 2176.93
06-12 1617.07
06-13 1343.64
06-14 1213.43
06-15 1110.33
06-16 1142.73
06-17 1282.13
06-18 1206.33
06-19 1087.71
06-20 1525.79
06-21 1424.71
06-22 1436.14
06-23 2999.36
06-24 2943.71
06-25 1953.57
06-26 1662.86
06-27 1543.71
06-28 1609.29
06-29 1904.93
06-30 1708.43
07-01 1724.38
07-02 1572.29
07-03 1626.14
07-04 1597.57
07-05 1460.21
07-06 1329.64
07-07 1362.62
07-08 1318.46
07-09 1247.15
07-10 1338.36
07-11 1596.14
07-12 1176.0
07-13 975.21
07-14 1042.6
07-15 924.13
07-16 1058.31
07-17 865.79
07-18 896.71
07-19 874.21
07-20 846.43
07-21 847.29
07-22 842.36
07-23 779.86
07-24 1039.14
07-25 1270.36
07-26 1082.57
07-27 978.93
07-28 863.57
07-29 803.43
07-30 775.36
07-31 755.71
08-01 626.67
08-02 682.14
08-03 651.71
08-04 616.71
08-05 595.57
08-06 640.5
08-07 601.79
08-08 612.08
08-09 586.77
08-10 595.38
08-11 565.93
08-12 541.57
08-13 548.29
08-14 532.14
08-15 516.43
08-16 481.31
08-17 551.0
08-18 980.75
08-19 1658.62
08-20 1070.69
08-21 892.54
08-22 779.17
08-23 656.36
08-24 572.46
08-25 534.46
08-26 1564.64
08-27 937.36
08-28 920.07
08-29 1148.71
08-30 1222.93
08-31 973.62
09-01 806.14
09-02 731.5
09-03 686.64
09-04 863.29
09-05 716.29
09-06 1032.62
09-07 904.71
09-08 1588.15
09-09 1029.5
09-10 1643.62
09-11 1076.21
09-12 905.36
09-13 1087.57
09-14 914.14
09-15 849.21
09-16 745.71
09-17 791.21
09-18 741.79
09-19 734.29
09-20 1016.86
09-21 1191.29
09-22 1311.5
09-23 1892.31
09-24 1382.07
09-25 1091.14
09-26 900.43
09-27 818.43
09-28 742.71
09-29 688.5
09-30 651.62
10-01 647.25
10-02 615.15
10-03 686.08
10-04 773.5
10-05 757.86
10-06 816.21
10-07 781.93
10-08 769.71
10-09 764.07
10-10 1054.07
10-11 1024.21
10-12 858.0
10-13 779.57
10-14 743.5
10-15 732.46
10-16 677.93
10-17 657.5
10-18 629.43
10-19 616.79
10-20 595.43
10-21 486.46
10-22 648.14
10-23 637.57
10-24 649.57
10-25 618.0
10-26 593.29
10-27 716.36
10-28 735.79
10-29 711.93
10-30 642.21
10-31 604.86
11-01 576.21
11-02 579.46
11-03 537.64
11-04 527.21
11-05 544.5
11-06 502.62
11-07 550.5
11-08 541.75
11-09 497.08
11-10 493.5
11-11 482.38
11-12 483.92
11-13 479.69
11-14 525.92
11-15 513.92
11-16 502.38
11-17 487.15
11-18 509.09
11-19 477.25
11-20 465.25
11-21 514.92
11-22 458.42
11-23 499.5
11-24 524.18
11-25 513.09
11-26 484.5
11-27 501.09
11-28 523.1
11-29 464.54
11-30 482.31
12-01 487.92
12-02 505.38
12-03 516.42
12-04 493.85
12-05 560.25
12-06 766.64
12-07 653.31
12-08 583.0
12-09 543.4
12-10 530.5
12-11 499.36
12-12 483.45
12-13 415.1
12-14 414.0
12-15 417.56
12-16 443.33
12-17 618.57
12-18 695.8
12-19 544.83
12-20 523.75
12-21 526.5
12-22 549.17
12-23 654.6
12-24 654.6
12-25 653.0
12-26 583.8
12-27 579.2
12-28 926.33
12-29 1247.75
12-30 1026.4
12-31 986.75

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index