Overview Realtime Historical Map View

Siuslaw River Near Mapleton, Or 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 3432.08
01-02 2977.64
01-03 2810.75
01-04 3900.33
01-05 4625.36
01-06 3973.67
01-07 3900.75
01-08 3941.17
01-09 3590.83
01-10 3754.17
01-11 3575.0
01-12 3601.82
01-13 5674.55
01-14 5006.67
01-15 3811.67
01-16 3547.0
01-17 3199.23
01-18 4265.0
01-19 7621.54
01-20 7566.92
01-21 5621.67
01-22 4729.23
01-23 4624.83
01-24 4102.15
01-25 5192.54
01-26 4268.42
01-27 3854.08
01-28 4202.23
01-29 4330.23
01-30 3556.36
01-31 3114.14
02-01 2917.36
02-02 2730.29
02-03 2515.0
02-04 2509.5
02-05 2115.08
02-06 2229.46
02-07 2699.0
02-08 2891.17
02-09 2621.21
02-10 3297.14
02-11 2911.31
02-12 2989.36
02-13 3944.43
02-14 3284.07
02-15 3499.79
02-16 3829.79
02-17 3759.62
02-18 3636.77
02-19 3713.07
02-20 3372.93
02-21 3068.69
02-22 2877.0
02-23 2758.86
02-24 4971.21
02-25 5454.64
02-26 3774.54
02-27 3369.29
02-28 2855.29
02-29 2440.0
03-01 3834.29
03-02 4155.71
03-03 3849.29
03-04 3362.86
03-05 3050.71
03-06 3317.14
03-07 3446.64
03-08 3050.64
03-09 2726.79
03-10 3170.07
03-11 3248.14
03-12 3001.36
03-13 3293.5
03-14 4236.0
03-15 4123.14
03-16 5097.71
03-17 5083.36
03-18 4074.07
03-19 3284.47
03-20 2668.93
03-21 2827.8
03-22 3759.29
03-23 3336.47
03-24 3155.87
03-25 3326.27
03-26 2967.67
03-27 2723.6
03-28 2838.93
03-29 3495.2
03-30 3799.33
03-31 4489.29
04-01 3823.4
04-02 3418.67
04-03 2983.33
04-04 2563.73
04-05 2396.67
04-06 2304.29
04-07 2665.93
04-08 3951.87
04-09 2498.77
04-10 2933.6
04-11 2611.27
04-12 2730.93
04-13 2597.14
04-14 2508.43
04-15 2366.54
04-16 2358.46
04-17 2241.17
04-18 2089.0
04-19 2000.38
04-20 2078.62
04-21 2034.79
04-22 2013.64
04-23 1837.43
04-24 1781.0
04-25 2106.77
04-26 1869.21
04-27 1807.0
04-28 1689.0
04-29 1509.36
04-30 1396.64
05-01 1421.93
05-02 1241.36
05-03 1336.36
05-04 1506.07
05-05 1370.47
05-06 1318.4
05-07 1495.87
05-08 1433.5
05-09 1357.8
05-10 1341.93
05-11 1225.4
05-12 1124.47
05-13 1186.53
05-14 1192.69
05-15 1437.92
05-16 1333.64
05-17 1186.36
05-18 1060.67
05-19 1007.87
05-20 960.14
05-21 878.4
05-22 862.47
05-23 848.73
05-24 801.73
05-25 775.4
05-26 755.73
05-27 733.47
05-28 808.33
05-29 807.4
05-30 790.0
05-31 751.33
06-01 703.93
06-02 661.8
06-03 628.6
06-04 600.67
06-05 629.57
06-06 639.71
06-07 618.79
06-08 579.5
06-09 584.13
06-10 592.07
06-11 599.47
06-12 630.43
06-13 624.07
06-14 643.79
06-15 575.47
06-16 550.93
06-17 535.47
06-18 500.27
06-19 484.57
06-20 470.21
06-21 446.79
06-22 431.07
06-23 418.64
06-24 405.0
06-25 390.43
06-26 399.21
06-27 407.29
06-28 408.07
06-29 393.21
06-30 366.43
07-01 354.0
07-02 338.93
07-03 325.07
07-04 307.92
07-05 292.33
07-06 289.27
07-07 287.57
07-08 278.43
07-09 271.5
07-10 270.0
07-11 282.71
07-12 267.57
07-13 251.64
07-14 240.87
07-15 239.5
07-16 234.77
07-17 232.86
07-18 233.0
07-19 219.86
07-20 213.86
07-21 210.5
07-22 212.38
07-23 206.92
07-24 196.5
07-25 191.75
07-26 186.94
07-27 181.11
07-28 176.74
07-29 172.36
07-30 173.59
07-31 163.24
08-01 149.77
08-02 155.86
08-03 154.71
08-04 151.72
08-05 148.14
08-06 144.62
08-07 143.39
08-08 147.35
08-09 145.48
08-10 143.19
08-11 135.41
08-12 132.39
08-13 129.28
08-14 126.68
08-15 124.61
08-16 124.96
08-17 125.38
08-18 126.08
08-19 119.25
08-20 117.05
08-21 114.22
08-22 111.92
08-23 109.16
08-24 108.92
08-25 106.18
08-26 102.76
08-27 102.25
08-28 100.04
08-29 98.62
08-30 99.71
08-31 109.66
09-01 104.68
09-02 103.07
09-03 102.01
09-04 100.16
09-05 98.04
09-06 97.35
09-07 101.92
09-08 97.73
09-09 98.54
09-10 114.65
09-11 134.89
09-12 109.82
09-13 90.34
09-14 98.53
09-15 100.59
09-16 105.82
09-17 110.43
09-18 184.3
09-19 228.21
09-20 193.86
09-21 169.53
09-22 152.1
09-23 141.74
09-24 148.45
09-25 165.56
09-26 180.68
09-27 163.76
09-28 166.29
09-29 285.29
09-30 859.58
10-01 531.08
10-02 355.31
10-03 289.38
10-04 263.58
10-05 219.19
10-06 243.5
10-07 206.43
10-08 201.14
10-09 184.66
10-10 172.72
10-11 206.71
10-12 308.93
10-13 294.92
10-14 568.37
10-15 414.19
10-16 655.63
10-17 591.28
10-18 621.82
10-19 687.5
10-20 590.45
10-21 602.35
10-22 837.58
10-23 977.15
10-24 637.38
10-25 520.84
10-26 491.22
10-27 788.71
10-28 798.85
10-29 779.29
10-30 713.64
10-31 605.69
11-01 822.0
11-02 824.38
11-03 720.46
11-04 623.57
11-05 1087.14
11-06 1121.92
11-07 1364.85
11-08 1235.54
11-09 1027.08
11-10 955.38
11-11 1062.62
11-12 1220.08
11-13 1057.85
11-14 1338.21
11-15 1538.46
11-16 1720.0
11-17 1698.21
11-18 1483.77
11-19 1550.0
11-20 3199.31
11-21 2523.57
11-22 2254.08
11-23 1835.31
11-24 1747.54
11-25 1889.85
11-26 2399.86
11-27 1983.75
11-28 1715.15
11-29 2028.14
11-30 1689.86
12-01 1789.5
12-02 1826.71
12-03 2539.46
12-04 3439.21
12-05 3196.43
12-06 2480.85
12-07 2632.36
12-08 3457.71
12-09 2089.38
12-10 3225.93
12-11 3583.93
12-12 4067.93
12-13 4397.36
12-14 2939.5
12-15 2377.62
12-16 2243.08
12-17 2378.83
12-18 5012.5
12-19 5895.77
12-20 5084.0
12-21 8631.75
12-22 7290.58
12-23 5005.62
12-24 4299.5
12-25 4518.08
12-26 4157.08
12-27 3769.33
12-28 4378.45
12-29 5033.55
12-30 4282.91
12-31 4478.83

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index