Overview Realtime Historical Map View

Snohomish River Near Monroe, Wa 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 11153.33
01-02 11783.64
01-03 11824.55
01-04 13455.83
01-05 13000.0
01-06 16246.67
01-07 16945.83
01-08 17798.33
01-09 16424.55
01-10 14471.67
01-11 12720.83
01-12 13966.67
01-13 20164.55
01-14 19255.45
01-15 14938.18
01-16 11796.67
01-17 10743.08
01-18 10836.36
01-19 12010.83
01-20 10946.92
01-21 12340.83
01-22 12206.15
01-23 12124.17
01-24 13320.83
01-25 13834.55
01-26 12941.82
01-27 11936.92
01-28 14534.17
01-29 11814.67
01-30 12289.71
01-31 12768.29
02-01 15886.14
02-02 16206.43
02-03 15286.43
02-04 11721.54
02-05 13906.43
02-06 15384.62
02-07 16569.23
02-08 17960.0
02-09 15014.29
02-10 12233.85
02-11 11488.46
02-12 10398.57
02-13 10177.14
02-14 10656.15
02-15 12373.57
02-16 11247.86
02-17 9961.54
02-18 10303.85
02-19 9562.86
02-20 8902.14
02-21 9026.43
02-22 10154.29
02-23 12831.43
02-24 12307.14
02-25 10618.33
02-26 10897.69
02-27 9402.14
02-28 8565.0
02-29 12575.0
03-01 11420.0
03-02 12468.57
03-03 12172.86
03-04 11368.57
03-05 10825.71
03-06 11375.0
03-07 11361.43
03-08 10535.71
03-09 10352.86
03-10 11470.71
03-11 10340.0
03-12 9468.57
03-13 10456.43
03-14 11075.0
03-15 11593.57
03-16 11797.86
03-17 12880.0
03-18 12307.14
03-19 14088.67
03-20 13905.71
03-21 14318.0
03-22 13911.43
03-23 11405.33
03-24 11592.67
03-25 13277.33
03-26 12428.67
03-27 11584.67
03-28 11664.67
03-29 11788.67
03-30 11980.67
03-31 11795.71
04-01 10468.67
04-02 10212.67
04-03 9923.33
04-04 9502.67
04-05 9648.0
04-06 10572.14
04-07 10912.0
04-08 11481.33
04-09 12066.15
04-10 12330.67
04-11 12586.67
04-12 12486.43
04-13 11385.0
04-14 10989.29
04-15 11435.38
04-16 10789.23
04-17 10755.83
04-18 11596.15
04-19 11288.46
04-20 11989.23
04-21 13178.57
04-22 12413.57
04-23 12148.57
04-24 12885.0
04-25 13182.31
04-26 12337.14
04-27 12285.71
04-28 12385.0
04-29 11964.29
04-30 11842.14
05-01 12308.67
05-02 11465.0
05-03 11390.0
05-04 12828.0
05-05 13652.0
05-06 14174.67
05-07 13882.0
05-08 13534.29
05-09 13065.33
05-10 12697.86
05-11 12690.67
05-12 12672.67
05-13 12523.33
05-14 13576.92
05-15 14754.62
05-16 16560.77
05-17 16558.57
05-18 14929.33
05-19 13342.0
05-20 12542.86
05-21 12194.0
05-22 12369.33
05-23 12860.0
05-24 13059.33
05-25 11915.33
05-26 11439.33
05-27 11170.67
05-28 11459.33
05-29 11901.33
05-30 11985.33
05-31 11766.67
06-01 11024.67
06-02 11772.0
06-03 11885.33
06-04 11543.33
06-05 10350.71
06-06 10911.43
06-07 10945.71
06-08 10709.29
06-09 11271.33
06-10 11572.0
06-11 11800.67
06-12 10853.57
06-13 10073.57
06-14 11008.57
06-15 10522.67
06-16 9650.67
06-17 9616.67
06-18 9561.33
06-19 9979.29
06-20 9636.43
06-21 10065.71
06-22 9729.29
06-23 9290.0
06-24 9276.43
06-25 8953.57
06-26 8631.43
06-27 8548.57
06-28 8703.57
06-29 8874.29
06-30 8629.29
07-01 8094.29
07-02 8029.29
07-03 7467.86
07-04 7460.0
07-05 6388.0
07-06 5991.33
07-07 6061.43
07-08 6181.43
07-09 6010.0
07-10 5707.33
07-11 5468.57
07-12 5323.33
07-13 5277.69
07-14 5100.71
07-15 4910.71
07-16 4683.85
07-17 4488.57
07-18 4460.83
07-19 4540.0
07-20 3863.08
07-21 4222.14
07-22 4236.67
07-23 3870.0
07-24 3767.14
07-25 4071.54
07-26 3857.14
07-27 3702.86
07-28 3553.57
07-29 3404.29
07-30 3413.85
07-31 3070.71
08-01 3012.5
08-02 2906.92
08-03 2735.71
08-04 2657.14
08-05 2593.57
08-06 2550.0
08-07 2522.86
08-08 2593.85
08-09 2601.54
08-10 2565.0
08-11 2362.86
08-12 2452.31
08-13 2344.29
08-14 2622.14
08-15 2414.29
08-16 2364.62
08-17 3099.09
08-18 2664.17
08-19 2477.69
08-20 2353.85
08-21 2251.54
08-22 2160.77
08-23 2077.86
08-24 2244.17
08-25 2057.69
08-26 1971.43
08-27 1915.0
08-28 1911.54
08-29 1794.29
08-30 1854.29
08-31 2161.54
09-01 2165.0
09-02 2201.43
09-03 2145.71
09-04 2310.71
09-05 2034.29
09-06 1934.29
09-07 1971.43
09-08 1855.0
09-09 1930.71
09-10 1833.08
09-11 1811.43
09-12 1794.29
09-13 1836.92
09-14 1805.71
09-15 1792.31
09-16 1883.57
09-17 1885.0
09-18 2250.77
09-19 2700.0
09-20 2620.71
09-21 2750.77
09-22 2287.14
09-23 2111.43
09-24 2612.86
09-25 3072.86
09-26 3317.86
09-27 3256.43
09-28 3697.86
09-29 4718.57
09-30 4837.69
10-01 6082.5
10-02 4703.08
10-03 3976.67
10-04 3219.23
10-05 2850.0
10-06 2695.0
10-07 2667.86
10-08 2948.57
10-09 4737.14
10-10 4701.43
10-11 4943.57
10-12 6392.14
10-13 6052.31
10-14 5545.71
10-15 7213.08
10-16 6295.38
10-17 7133.85
10-18 5197.86
10-19 7393.85
10-20 9613.85
10-21 7423.85
10-22 8758.33
10-23 12815.83
10-24 10295.38
10-25 8053.08
10-26 6694.62
10-27 8380.0
10-28 8453.85
10-29 11678.57
10-30 14197.14
10-31 14813.85
11-01 11790.0
11-02 15420.71
11-03 14586.92
11-04 11668.57
11-05 18830.71
11-06 17504.62
11-07 15063.08
11-08 14434.62
11-09 11551.54
11-10 9656.92
11-11 8883.85
11-12 9266.92
11-13 16519.23
11-14 14293.57
11-15 17918.57
11-16 16750.0
11-17 12238.33
11-18 11643.08
11-19 11046.92
11-20 12976.15
11-21 12547.14
11-22 12456.92
11-23 10132.31
11-24 13013.85
11-25 11834.62
11-26 14279.23
11-27 16411.67
11-28 15810.0
11-29 17591.43
11-30 13208.57
12-01 11722.86
12-02 12270.0
12-03 11590.0
12-04 10702.14
12-05 11003.57
12-06 14483.85
12-07 13030.77
12-08 12992.86
12-09 16811.43
12-10 15737.86
12-11 17090.71
12-12 18339.29
12-13 15359.23
12-14 13235.0
12-15 10454.62
12-16 11180.0
12-17 11587.5
12-18 13000.0
12-19 13914.62
12-20 13926.67
12-21 15991.54
12-22 16540.0
12-23 14064.62
12-24 13753.08
12-25 13520.83
12-26 12960.0
12-27 11561.82
12-28 12031.82
12-29 12541.67
12-30 12658.18
12-31 11563.33

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index