Overview Realtime Historical Map View

Lower Atchafalaya River At Morgan City, La 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 112309.09
01-02 125250.0
01-03 118590.91
01-04 125363.64
01-05 132930.0
01-06 129427.27
01-07 120408.33
01-08 126058.33
01-09 127200.0
01-10 131825.0
01-11 130108.33
01-12 136872.5
01-13 148475.0
01-14 146450.0
01-15 151391.67
01-16 148650.0
01-17 139169.23
01-18 150416.67
01-19 140084.62
01-20 145961.54
01-21 145438.46
01-22 149646.15
01-23 152983.33
01-24 148976.92
01-25 147684.62
01-26 133991.67
01-27 133083.33
01-28 145653.85
01-29 150630.77
01-30 139921.43
01-31 137892.86
02-01 135657.14
02-02 137950.0
02-03 136078.57
02-04 136550.0
02-05 141585.71
02-06 132776.92
02-07 137730.77
02-08 140261.54
02-09 131815.38
02-10 133935.71
02-11 137271.43
02-12 139185.71
02-13 143107.14
02-14 138761.54
02-15 134009.29
02-16 142000.0
02-17 133192.31
02-18 134276.92
02-19 137353.85
02-20 143778.57
02-21 144950.0
02-22 142950.0
02-23 145542.86
02-24 144564.29
02-25 145038.46
02-26 144400.0
02-27 147442.86
02-28 147635.71
02-29 175250.0
03-01 146571.43
03-02 151835.71
03-03 155028.57
03-04 158369.23
03-05 156435.71
03-06 161835.71
03-07 162528.57
03-08 163492.86
03-09 164342.86
03-10 163050.0
03-11 167228.57
03-12 168571.43
03-13 174835.71
03-14 173507.14
03-15 175857.14
03-16 179335.71
03-17 184878.57
03-18 187642.86
03-19 184600.0
03-20 185928.57
03-21 193928.57
03-22 174807.69
03-23 194533.33
03-24 188307.69
03-25 182235.71
03-26 184923.08
03-27 177915.38
03-28 190785.71
03-29 192214.29
03-30 192750.0
03-31 190776.92
04-01 197521.43
04-02 189653.33
04-03 184473.33
04-04 189413.33
04-05 185120.0
04-06 186773.33
04-07 182586.67
04-08 184140.0
04-09 182435.71
04-10 183373.33
04-11 186133.33
04-12 192971.43
04-13 189878.57
04-14 185328.57
04-15 191800.0
04-16 193476.92
04-17 195692.31
04-18 192615.38
04-19 196076.92
04-20 193769.23
04-21 191928.57
04-22 192714.29
04-23 194071.43
04-24 191785.71
04-25 187153.85
04-26 194250.0
04-27 192692.86
04-28 188264.29
04-29 192500.0
04-30 190338.46
05-01 189786.67
05-02 192492.86
05-03 188042.86
05-04 194014.29
05-05 191633.33
05-06 191366.67
05-07 188285.71
05-08 189100.0
05-09 193473.33
05-10 191840.0
05-11 194920.0
05-12 194740.0
05-13 199373.33
05-14 200107.69
05-15 197461.54
05-16 202378.57
05-17 199428.57
05-18 201846.67
05-19 190714.29
05-20 204857.14
05-21 202466.67
05-22 205666.67
05-23 201746.67
05-24 199366.67
05-25 208928.57
05-26 207371.43
05-27 207857.14
05-28 204871.43
05-29 202242.86
05-30 204671.43
05-31 205135.71
06-01 198650.0
06-02 206200.0
06-03 201071.43
06-04 202807.14
06-05 202792.31
06-06 192469.23
06-07 190133.33
06-08 181300.0
06-09 182300.0
06-10 180007.69
06-11 175153.85
06-12 174275.0
06-13 168558.33
06-14 163055.83
06-15 163760.77
06-16 166615.38
06-17 171169.23
06-18 167723.08
06-19 170016.67
06-20 167958.33
06-21 166308.33
06-22 168783.33
06-23 168208.33
06-24 164100.0
06-25 162566.67
06-26 154958.33
06-27 156330.77
06-28 151176.92
06-29 145246.15
06-30 143390.0
07-01 142802.31
07-02 146792.31
07-03 145823.08
07-04 144700.0
07-05 140778.57
07-06 141100.0
07-07 140423.08
07-08 140607.69
07-09 138146.15
07-10 132364.29
07-11 131115.38
07-12 123575.0
07-13 119995.83
07-14 117472.73
07-15 133291.67
07-16 133063.64
07-17 138015.38
07-18 134638.46
07-19 133592.31
07-20 132276.92
07-21 127876.92
07-22 127738.46
07-23 128293.33
07-24 124092.31
07-25 117046.15
07-26 117769.23
07-27 126781.82
07-28 112150.0
07-29 115383.33
07-30 114683.33
07-31 113746.15
08-01 102600.0
08-02 112700.0
08-03 113376.92
08-04 108084.62
08-05 109100.0
08-06 103953.85
08-07 101030.77
08-08 87316.67
08-09 83923.33
08-10 88842.5
08-11 97966.15
08-12 101369.23
08-13 96746.15
08-14 97415.38
08-15 95092.31
08-16 84050.0
08-17 82536.36
08-18 72720.0
08-19 78991.67
08-20 82050.0
08-21 78980.0
08-22 64800.0
08-23 75391.67
08-24 76155.45
08-25 74972.73
08-26 68550.0
08-27 72290.91
08-28 71000.0
08-29 69483.33
08-30 63527.27
08-31 73625.0
09-01 69808.33
09-02 70116.67
09-03 72475.0
09-04 67408.33
09-05 58805.0
09-06 57039.17
09-07 67534.17
09-08 63447.83
09-09 64401.25
09-10 57838.33
09-11 56891.67
09-12 62511.54
09-13 59355.38
09-14 56223.08
09-15 59758.33
09-16 60353.85
09-17 55195.0
09-18 52149.83
09-19 62490.91
09-20 50413.64
09-21 45014.5
09-22 52281.11
09-23 45689.17
09-24 50724.55
09-25 43409.0
09-26 45626.0
09-27 56320.0
09-28 45741.54
09-29 50350.0
09-30 54500.0
10-01 63466.67
10-02 48686.69
10-03 48941.67
10-04 41540.91
10-05 44166.67
10-06 43418.18
10-07 41111.67
10-08 45955.83
10-09 42252.5
10-10 36948.46
10-11 37593.08
10-12 45109.17
10-13 44279.23
10-14 47750.77
10-15 54981.82
10-16 56681.54
10-17 56100.0
10-18 50033.08
10-19 56541.54
10-20 51366.09
10-21 45410.83
10-22 42572.5
10-23 47629.17
10-24 47285.45
10-25 53434.55
10-26 50057.42
10-27 54887.69
10-28 57161.54
10-29 58527.27
10-30 51216.67
10-31 44129.73
11-01 48138.18
11-02 46540.0
11-03 52863.64
11-04 48731.82
11-05 49486.36
11-06 34391.7
11-07 46009.09
11-08 46209.09
11-09 39512.73
11-10 47241.82
11-11 37500.0
11-12 45809.09
11-13 50472.73
11-14 44403.64
11-15 40037.5
11-16 62508.33
11-17 51975.0
11-18 52420.0
11-19 53013.0
11-20 54130.0
11-21 44810.0
11-22 62808.33
11-23 59485.0
11-24 57330.0
11-25 61155.45
11-26 62906.92
11-27 69261.54
11-28 64466.67
11-29 63312.31
11-30 66975.0
12-01 71683.33
12-02 64793.08
12-03 65900.0
12-04 66623.85
12-05 72584.62
12-06 71084.17
12-07 70727.86
12-08 74915.38
12-09 69585.38
12-10 76468.46
12-11 82107.69
12-12 70823.08
12-13 73128.57
12-14 68169.23
12-15 78406.92
12-16 75146.92
12-17 89650.0
12-18 92784.62
12-19 96600.0
12-20 89961.67
12-21 93633.33
12-22 95792.31
12-23 98969.23
12-24 105147.69
12-25 95908.33
12-26 99741.67
12-27 96736.36
12-28 100600.0
12-29 102181.82
12-30 110041.67
12-31 119800.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index