Overview Realtime Historical Map View

Missouri River At Hermann, Mo 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 94241.67
01-02 85463.64
01-03 74945.45
01-04 60480.0
01-05 61433.33
01-06 60681.82
01-07 59618.18
01-08 56666.67
01-09 59425.0
01-10 61633.33
01-11 70008.33
01-12 77618.18
01-13 73954.55
01-14 68263.64
01-15 64591.67
01-16 63100.0
01-17 58900.0
01-18 60225.0
01-19 62053.85
01-20 60161.54
01-21 57938.46
01-22 54492.31
01-23 53353.85
01-24 56876.92
01-25 56438.46
01-26 47454.55
01-27 45727.27
01-28 57646.15
01-29 60053.85
01-30 57500.0
01-31 59700.0
02-01 58607.14
02-02 57535.71
02-03 58228.57
02-04 60942.86
02-05 63485.71
02-06 68038.46
02-07 66592.31
02-08 69246.15
02-09 62285.71
02-10 60528.57
02-11 59761.54
02-12 58778.57
02-13 61592.31
02-14 59985.71
02-15 54876.92
02-16 56478.57
02-17 51384.62
02-18 49575.0
02-19 53583.33
02-20 55776.92
02-21 56846.15
02-22 57950.0
02-23 60057.14
02-24 64128.57
02-25 67861.54
02-26 67223.08
02-27 68021.43
02-28 67635.71
02-29 79825.0
03-01 65050.0
03-02 62064.29
03-03 60664.29
03-04 59150.0
03-05 58900.0
03-06 61457.14
03-07 63842.86
03-08 66300.0
03-09 67592.86
03-10 72457.14
03-11 77342.86
03-12 83828.57
03-13 84542.86
03-14 85228.57
03-15 85414.29
03-16 87564.29
03-17 89035.71
03-18 94935.71
03-19 96500.0
03-20 101135.71
03-21 95180.0
03-22 82771.43
03-23 93693.33
03-24 94726.67
03-25 96693.33
03-26 98660.0
03-27 101713.33
03-28 105706.67
03-29 107126.67
03-30 105260.0
03-31 110914.29
04-01 108200.0
04-02 110506.67
04-03 113866.67
04-04 120526.67
04-05 118840.0
04-06 116620.0
04-07 112853.33
04-08 102378.57
04-09 93207.69
04-10 96157.14
04-11 96264.29
04-12 106007.14
04-13 104885.71
04-14 100514.29
04-15 107692.31
04-16 104369.23
04-17 103869.23
04-18 98053.85
04-19 111046.15
04-20 115007.69
04-21 115114.29
04-22 114442.86
04-23 107600.0
04-24 104157.14
04-25 104984.62
04-26 103207.14
04-27 100971.43
04-28 104764.29
04-29 111142.86
04-30 120115.38
05-01 149126.67
05-02 137135.71
05-03 133392.31
05-04 151406.67
05-05 146020.0
05-06 142660.0
05-07 133900.0
05-08 120550.0
05-09 123186.67
05-10 122335.71
05-11 118913.33
05-12 119886.67
05-13 116246.67
05-14 112585.71
05-15 117071.43
05-16 116242.86
05-17 118035.71
05-18 115493.33
05-19 123386.67
05-20 137735.71
05-21 141326.67
05-22 151460.0
05-23 155673.33
05-24 153066.67
05-25 146473.33
05-26 142713.33
05-27 145513.33
05-28 152966.67
05-29 162533.33
05-30 169800.0
05-31 173900.0
06-01 177266.67
06-02 184213.33
06-03 179085.71
06-04 169685.71
06-05 169728.57
06-06 167771.43
06-07 168800.0
06-08 169000.0
06-09 172000.0
06-10 171440.0
06-11 164260.0
06-12 150392.86
06-13 147207.69
06-14 142600.0
06-15 149253.33
06-16 146260.0
06-17 145000.0
06-18 144933.33
06-19 144228.57
06-20 143242.86
06-21 136435.71
06-22 133364.29
06-23 133850.0
06-24 131514.29
06-25 130535.71
06-26 135307.14
06-27 143350.0
06-28 149250.0
06-29 158630.77
06-30 152857.14
07-01 155228.57
07-02 156450.0
07-03 157564.29
07-04 151085.71
07-05 143626.67
07-06 138064.29
07-07 127164.29
07-08 123500.0
07-09 127678.57
07-10 130160.0
07-11 124593.33
07-12 111157.14
07-13 109221.43
07-14 117957.14
07-15 119121.43
07-16 115978.57
07-17 113357.14
07-18 111042.86
07-19 110485.71
07-20 112721.43
07-21 110935.71
07-22 109907.14
07-23 110923.08
07-24 109550.0
07-25 103664.29
07-26 97728.57
07-27 100421.43
07-28 100592.86
07-29 103371.43
07-30 102392.31
07-31 102428.57
08-01 96133.33
08-02 108115.38
08-03 112442.86
08-04 110857.14
08-05 105721.43
08-06 100214.29
08-07 99792.86
08-08 104676.92
08-09 107915.38
08-10 105269.23
08-11 101250.0
08-12 99414.29
08-13 97864.29
08-14 95714.29
08-15 91964.29
08-16 83953.85
08-17 82584.62
08-18 82450.0
08-19 89484.62
08-20 89253.85
08-21 88915.38
08-22 88791.67
08-23 86442.86
08-24 93261.54
08-25 95361.54
08-26 89078.57
08-27 87064.29
08-28 85042.86
08-29 87107.14
08-30 86535.71
08-31 73330.77
09-01 84607.14
09-02 87964.29
09-03 90985.71
09-04 86142.86
09-05 82850.0
09-06 82878.57
09-07 84464.29
09-08 84178.57
09-09 83507.14
09-10 85400.0
09-11 86842.86
09-12 85078.57
09-13 87978.57
09-14 84253.85
09-15 83892.86
09-16 82371.43
09-17 85742.86
09-18 85369.23
09-19 78435.71
09-20 75871.43
09-21 75871.43
09-22 76076.92
09-23 73307.14
09-24 73364.29
09-25 74242.86
09-26 73592.86
09-27 72607.14
09-28 68757.14
09-29 77050.0
09-30 78084.62
10-01 76641.67
10-02 73392.31
10-03 76753.85
10-04 80469.23
10-05 84778.57
10-06 83871.43
10-07 81057.14
10-08 79535.71
10-09 79757.14
10-10 85157.14
10-11 92078.57
10-12 94214.29
10-13 91664.29
10-14 88928.57
10-15 93353.85
10-16 78915.38
10-17 88892.86
10-18 85264.29
10-19 81785.71
10-20 71261.54
10-21 71958.33
10-22 74778.57
10-23 73685.71
10-24 72235.71
10-25 72778.57
10-26 71328.57
10-27 69728.57
10-28 69321.43
10-29 68085.71
10-30 67535.71
10-31 71614.29
11-01 73507.14
11-02 73953.85
11-03 71214.29
11-04 70971.43
11-05 69053.85
11-06 59350.0
11-07 59784.62
11-08 59146.15
11-09 59230.77
11-10 59653.85
11-11 58323.08
11-12 58300.0
11-13 57638.46
11-14 67707.69
11-15 70223.08
11-16 69192.31
11-17 67338.46
11-18 64469.23
11-19 63307.69
11-20 62407.69
11-21 67207.14
11-22 67453.85
11-23 65661.54
11-24 66307.69
11-25 66515.38
11-26 65585.71
11-27 64971.43
11-28 65253.85
11-29 73678.57
11-30 73900.0
12-01 74128.57
12-02 75557.14
12-03 73678.57
12-04 72742.86
12-05 73200.0
12-06 72069.23
12-07 67050.0
12-08 63635.71
12-09 62121.43
12-10 60392.86
12-11 58714.29
12-12 57728.57
12-13 56500.0
12-14 53100.0
12-15 52115.38
12-16 51661.54
12-17 67776.92
12-18 68930.77
12-19 69038.46
12-20 50791.67
12-21 51175.0
12-22 60292.31
12-23 60007.69
12-24 56738.46
12-25 55561.54
12-26 55630.77
12-27 62008.33
12-28 73050.0
12-29 48590.91
12-30 91141.67
12-31 94250.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index