Overview Realtime Historical Map View

Illinois River At Valley City, Il 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 22680.83
01-02 24250.83
01-03 26458.33
01-04 26916.67
01-05 26880.0
01-06 26214.17
01-07 25610.0
01-08 25053.33
01-09 24887.5
01-10 24637.5
01-11 24847.5
01-12 25477.5
01-13 26714.55
01-14 27114.55
01-15 28097.27
01-16 26942.5
01-17 25864.62
01-18 24548.33
01-19 25383.08
01-20 25043.85
01-21 25050.83
01-22 23543.85
01-23 24534.17
01-24 23017.69
01-25 23031.54
01-26 20856.67
01-27 23997.27
01-28 26285.0
01-29 24620.0
01-30 23605.0
01-31 24167.86
02-01 23166.43
02-02 24240.71
02-03 23905.0
02-04 24578.57
02-05 24908.57
02-06 25531.54
02-07 25941.54
02-08 25753.08
02-09 24596.43
02-10 24618.57
02-11 21157.69
02-12 25237.14
02-13 25074.29
02-14 25321.43
02-15 25127.14
02-16 24675.0
02-17 23675.38
02-18 23491.54
02-19 23997.69
02-20 24174.29
02-21 24849.23
02-22 26291.43
02-23 27917.86
02-24 28926.43
02-25 28400.77
02-26 28662.31
02-27 30218.57
02-28 30377.14
02-29 23400.0
03-01 30783.57
03-02 31481.43
03-03 31893.57
03-04 31753.57
03-05 31779.29
03-06 31385.38
03-07 32652.86
03-08 33188.57
03-09 33214.29
03-10 33835.71
03-11 35364.29
03-12 36250.0
03-13 36878.57
03-14 36869.23
03-15 36025.0
03-16 37046.15
03-17 38576.92
03-18 35650.0
03-19 36007.14
03-20 38007.14
03-21 38013.33
03-22 37778.57
03-23 38353.33
03-24 37886.67
03-25 37786.67
03-26 37533.33
03-27 37560.0
03-28 37686.67
03-29 36886.67
03-30 36313.33
03-31 35957.14
04-01 36260.0
04-02 36960.0
04-03 37446.67
04-04 38040.0
04-05 38893.33
04-06 39613.33
04-07 39693.33
04-08 39985.33
04-09 38889.29
04-10 40250.67
04-11 40720.0
04-12 40617.14
04-13 40730.0
04-14 40598.57
04-15 40946.15
04-16 41107.69
04-17 42961.54
04-18 49576.92
04-19 38375.0
04-20 39592.31
04-21 38778.57
04-22 39042.86
04-23 39907.14
04-24 41514.29
04-25 47500.0
04-26 37069.23
04-27 39142.86
04-28 36307.14
04-29 37847.69
04-30 37400.0
05-01 40020.0
05-02 40400.0
05-03 41328.57
05-04 39378.57
05-05 43033.33
05-06 44433.33
05-07 45220.0
05-08 43078.57
05-09 48228.57
05-10 49378.57
05-11 49342.86
05-12 47786.67
05-13 49228.57
05-14 46450.0
05-15 51633.33
05-16 48715.38
05-17 48092.31
05-18 44713.57
05-19 44720.0
05-20 47092.86
05-21 45286.67
05-22 44966.67
05-23 45314.29
05-24 44173.33
05-25 43193.33
05-26 42473.33
05-27 42693.33
05-28 42046.67
05-29 42058.67
05-30 41514.67
05-31 40958.67
06-01 41200.0
06-02 41674.0
06-03 41345.33
06-04 40912.67
06-05 41502.86
06-06 40803.57
06-07 39506.43
06-08 37288.0
06-09 37046.0
06-10 36599.33
06-11 35701.33
06-12 36067.14
06-13 35685.71
06-14 35402.86
06-15 38484.29
06-16 38315.71
06-17 36138.0
06-18 36300.71
06-19 37817.14
06-20 38420.71
06-21 38992.14
06-22 39586.43
06-23 42915.38
06-24 43230.77
06-25 40533.57
06-26 44410.77
06-27 42362.14
06-28 42982.14
06-29 43100.71
06-30 43388.57
07-01 43003.57
07-02 42891.43
07-03 42925.0
07-04 42225.0
07-05 39277.33
07-06 38650.0
07-07 40141.43
07-08 39447.14
07-09 40452.31
07-10 37792.14
07-11 36612.86
07-12 31159.23
07-13 33171.43
07-14 33390.0
07-15 32728.57
07-16 32356.43
07-17 31919.29
07-18 31586.43
07-19 30573.57
07-20 29769.29
07-21 29068.57
07-22 28867.86
07-23 28246.43
07-24 27077.14
07-25 26384.29
07-26 26639.29
07-27 26508.57
07-28 25796.43
07-29 24710.71
07-30 23763.57
07-31 23089.29
08-01 22887.5
08-02 20827.86
08-03 19702.86
08-04 18451.43
08-05 17139.29
08-06 16562.31
08-07 15425.0
08-08 12471.54
08-09 11904.62
08-10 11835.38
08-11 13686.43
08-12 13133.57
08-13 12994.29
08-14 12525.71
08-15 11990.71
08-16 12015.38
08-17 11526.15
08-18 11052.5
08-19 10691.67
08-20 10723.33
08-21 10996.92
08-22 11000.0
08-23 11949.29
08-24 11074.62
08-25 10721.54
08-26 12023.57
08-27 12451.43
08-28 12330.71
08-29 11664.29
08-30 12496.43
08-31 12826.92
09-01 12278.57
09-02 12528.46
09-03 11858.46
09-04 11489.23
09-05 10941.43
09-06 10891.43
09-07 11943.85
09-08 11882.86
09-09 11939.23
09-10 11712.31
09-11 13508.57
09-12 13446.43
09-13 13682.86
09-14 13875.0
09-15 13539.29
09-16 13477.14
09-17 13585.71
09-18 13923.57
09-19 14454.29
09-20 14515.0
09-21 14106.43
09-22 13558.46
09-23 14669.23
09-24 13407.86
09-25 12651.43
09-26 12272.14
09-27 11508.57
09-28 10635.71
09-29 10777.14
09-30 11298.46
10-01 11725.0
10-02 10705.83
10-03 11578.46
10-04 12373.08
10-05 12441.43
10-06 12506.43
10-07 13072.14
10-08 13613.57
10-09 14282.14
10-10 14557.86
10-11 14525.71
10-12 14830.71
10-13 14561.43
10-14 14373.57
10-15 14903.08
10-16 14025.38
10-17 15351.43
10-18 15155.71
10-19 14712.86
10-20 14723.57
10-21 15238.33
10-22 14166.43
10-23 14353.57
10-24 14190.71
10-25 15471.43
10-26 15540.71
10-27 16045.38
10-28 14528.46
10-29 15137.86
10-30 15328.57
10-31 16641.43
11-01 16709.29
11-02 17768.46
11-03 17574.29
11-04 17582.86
11-05 17852.86
11-06 15273.85
11-07 14830.77
11-08 15198.46
11-09 15460.77
11-10 14573.85
11-11 14155.38
11-12 13975.83
11-13 13516.67
11-14 16490.0
11-15 15961.43
11-16 14662.14
11-17 14590.0
11-18 14503.85
11-19 14241.54
11-20 14025.38
11-21 14817.86
11-22 14377.5
11-23 13145.38
11-24 11171.67
11-25 11228.33
11-26 12534.62
11-27 14007.69
11-28 13916.92
11-29 16200.0
11-30 16480.71
12-01 16716.43
12-02 18025.71
12-03 18409.29
12-04 17646.15
12-05 17725.71
12-06 16851.54
12-07 18167.86
12-08 17875.71
12-09 17400.71
12-10 16686.43
12-11 16680.71
12-12 16307.14
12-13 15893.57
12-14 14003.85
12-15 14066.92
12-16 14366.92
12-17 16913.08
12-18 17252.31
12-19 17572.31
12-20 15860.83
12-21 15336.67
12-22 17486.92
12-23 17433.08
12-24 16916.15
12-25 16791.54
12-26 16998.46
12-27 17520.83
12-28 17921.67
12-29 14929.09
12-30 20024.55
12-31 20343.33

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index