Middle Fork Willamette River At Jasper, 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 5885.83
01-02 6085.45
01-03 5765.45
01-04 6039.17
01-05 5775.0
01-06 5272.73
01-07 5511.82
01-08 5150.83
01-09 5128.18
01-10 5371.67
01-11 5600.83
01-12 5625.83
01-13 5393.64
01-14 6136.36
01-15 5565.83
01-16 5217.27
01-17 5828.46
01-18 5993.85
01-19 6266.15
01-20 5970.0
01-21 5735.83
01-22 6208.33
01-23 6775.0
01-24 6635.38
01-25 6469.17
01-26 6804.17
01-27 6463.85
01-28 6147.5
01-29 6412.31
01-30 6047.14
01-31 5805.71
02-01 5404.29
02-02 4927.69
02-03 4607.14
02-04 4573.57
02-05 4196.43
02-06 4262.5
02-07 4149.23
02-08 3662.5
02-09 4187.86
02-10 3783.08
02-11 2921.54
02-12 3262.14
02-13 3302.14
02-14 3045.0
02-15 3236.92
02-16 3683.57
02-17 3746.15
02-18 3710.0
02-19 3922.86
02-20 3829.29
02-21 3730.0
02-22 3566.43
02-23 3442.86
02-24 3681.43
02-25 3813.33
02-26 3492.31
02-27 3197.86
02-28 3130.71
02-29 2446.67
03-01 3159.29
03-02 3220.0
03-03 3325.71
03-04 3280.0
03-05 3244.29
03-06 3285.0
03-07 3273.57
03-08 3083.57
03-09 2966.43
03-10 3115.0
03-11 3002.14
03-12 2946.43
03-13 3016.43
03-14 3258.57
03-15 3145.0
03-16 3217.86
03-17 3674.29
03-18 3391.43
03-19 4152.0
03-20 3742.86
03-21 4242.0
03-22 4655.71
03-23 4366.67
03-24 4158.0
03-25 3997.33
03-26 4081.33
03-27 4124.67
03-28 4423.33
03-29 4508.67
03-30 4624.0
03-31 4642.14
04-01 4166.0
04-02 4090.67
04-03 4150.67
04-04 4098.0
04-05 4059.33
04-06 3928.57
04-07 3830.67
04-08 4536.0
04-09 3513.08
04-10 4474.67
04-11 4512.67
04-12 4817.86
04-13 4695.0
04-14 3240.0
04-15 4263.08
04-16 4160.0
04-17 4213.33
04-18 3987.69
04-19 3959.23
04-20 3759.23
04-21 3655.71
04-22 3627.86
04-23 3597.14
04-24 3824.29
04-25 4282.31
04-26 4300.0
04-27 4485.71
04-28 4410.0
04-29 4271.43
04-30 3743.85
05-01 4370.67
05-02 4230.0
05-03 3870.0
05-04 3692.67
05-05 3776.67
05-06 3861.33
05-07 4174.67
05-08 4047.86
05-09 4082.67
05-10 4180.0
05-11 4162.0
05-12 4182.67
05-13 4240.0
05-14 4137.69
05-15 4142.31
05-16 4415.71
05-17 4343.57
05-18 4378.67
05-19 4214.67
05-20 4080.0
05-21 4017.33
05-22 4012.0
05-23 4038.0
05-24 4092.67
05-25 4205.33
05-26 4190.67
05-27 4093.33
05-28 4010.67
05-29 3909.33
05-30 3800.0
05-31 3681.33
06-01 3494.67
06-02 3440.67
06-03 3590.0
06-04 3600.0
06-05 3857.86
06-06 4195.0
06-07 4205.0
06-08 3986.43
06-09 3873.33
06-10 4003.33
06-11 4012.67
06-12 4867.86
06-13 4855.71
06-14 4695.71
06-15 4254.67
06-16 3978.0
06-17 3604.67
06-18 3270.0
06-19 3127.14
06-20 3180.0
06-21 3071.43
06-22 3035.71
06-23 2997.14
06-24 2982.86
06-25 2964.29
06-26 2892.14
06-27 2805.0
06-28 2696.43
06-29 2720.0
06-30 2660.0
07-01 2610.71
07-02 2582.86
07-03 2722.86
07-04 2654.62
07-05 2763.33
07-06 2619.33
07-07 2482.14
07-08 2470.71
07-09 2440.0
07-10 2426.67
07-11 2434.29
07-12 2485.71
07-13 2381.43
07-14 2360.67
07-15 2302.67
07-16 2223.57
07-17 2216.67
07-18 2192.14
07-19 2199.33
07-20 2242.67
07-21 2219.33
07-22 2232.67
07-23 2242.0
07-24 2249.33
07-25 2220.0
07-26 2250.0
07-27 2246.43
07-28 2235.0
07-29 2241.43
07-30 2346.92
07-31 2362.86
08-01 2397.5
08-02 2452.31
08-03 2604.29
08-04 2561.43
08-05 2540.0
08-06 2572.14
08-07 2582.14
08-08 2666.92
08-09 2641.54
08-10 2633.85
08-11 2580.71
08-12 2590.71
08-13 2567.86
08-14 2577.86
08-15 2585.0
08-16 2533.08
08-17 2465.38
08-18 2553.33
08-19 2565.38
08-20 2569.23
08-21 2534.62
08-22 2439.17
08-23 2475.71
08-24 2642.31
08-25 2637.69
08-26 2592.86
08-27 2748.46
08-28 2680.71
08-29 2717.14
08-30 2676.43
08-31 2682.31
09-01 2655.71
09-02 2665.71
09-03 2700.71
09-04 2672.86
09-05 2720.77
09-06 2630.71
09-07 2621.43
09-08 2625.0
09-09 2617.14
09-10 2531.43
09-11 2562.14
09-12 2537.86
09-13 2569.23
09-14 2525.0
09-15 2505.0
09-16 2516.43
09-17 2495.71
09-18 2473.57
09-19 2478.57
09-20 2440.0
09-21 2489.23
09-22 2452.86
09-23 2472.86
09-24 2519.23
09-25 2515.0
09-26 2566.15
09-27 2527.14
09-28 2553.57
09-29 2682.31
09-30 2674.62
10-01 2807.27
10-02 2748.46
10-03 2772.5
10-04 2702.31
10-05 2613.57
10-06 2655.38
10-07 2604.29
10-08 2542.86
10-09 2536.43
10-10 2484.29
10-11 2519.29
10-12 2572.86
10-13 2586.43
10-14 2618.57
10-15 2695.83
10-16 2711.54
10-17 2707.86
10-18 2863.57
10-19 2774.62
10-20 2960.0
10-21 3056.92
10-22 2950.71
10-23 3049.29
10-24 3074.62
10-25 2997.86
10-26 3020.77
10-27 3192.14
10-28 3108.46
10-29 3309.29
10-30 3390.71
10-31 3428.46
11-01 3496.15
11-02 3352.14
11-03 3484.62
11-04 3463.57
11-05 3372.86
11-06 3378.46
11-07 3366.15
11-08 3434.62
11-09 3343.85
11-10 3456.92
11-11 3595.83
11-12 3436.92
11-13 3287.69
11-14 3226.92
11-15 3362.14
11-16 3456.43
11-17 3792.31
11-18 4051.54
11-19 4623.08
11-20 4822.31
11-21 4992.86
11-22 5479.23
11-23 5412.31
11-24 5740.0
11-25 5633.08
11-26 5958.57
11-27 6347.5
11-28 5814.29
11-29 6196.92
11-30 5579.29
12-01 5597.86
12-02 5863.08
12-03 5573.85
12-04 4880.0
12-05 4674.29
12-06 4855.38
12-07 4944.62
12-08 5047.14
12-09 4825.0
12-10 4831.43
12-11 5253.57
12-12 5281.43
12-13 4859.23
12-14 4965.0
12-15 4890.0
12-16 5344.62
12-17 4895.0
12-18 3989.09
12-19 5115.38
12-20 4715.0
12-21 5193.85
12-22 5695.0
12-23 6066.15
12-24 6509.23
12-25 6438.46
12-26 5703.64
12-27 6617.5
12-28 5837.27
12-29 5789.09
12-30 5667.27
12-31 6116.36

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index