Overview Realtime Historical Map View
Freeze Watch
2026-10-24T10:00:00-07:00

* WHAT...Sub-freezing temperatures of 25 to 30 possible. * WHERE...Lower Columbia Basin of Oregon and Washington, Foothills of the Northern Blue Mountains of Oregon, Yakima Valley, and Foothills of the Blue Mountains of Washington. * WHEN...From Friday evening through Saturday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Yakima River Above Ahtanum Creek At Union Gap, 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 2341.82
01-02 2550.0
01-03 2444.0
01-04 3029.0
01-05 2467.78
01-06 3094.0
01-07 3242.0
01-08 3112.0
01-09 2953.0
01-10 2745.0
01-11 2485.0
01-12 2390.0
01-13 2395.0
01-14 3163.64
01-15 3240.91
01-16 3110.91
01-17 3055.83
01-18 2915.0
01-19 3044.17
01-20 2948.33
01-21 2778.18
01-22 2845.0
01-23 2730.91
01-24 2723.33
01-25 2787.27
01-26 2879.09
01-27 2781.54
01-28 2849.17
01-29 2979.23
01-30 2832.14
01-31 2889.29
02-01 3140.77
02-02 3606.15
02-03 3381.43
02-04 3287.14
02-05 3490.0
02-06 3700.83
02-07 4350.0
02-08 5417.0
02-09 4633.33
02-10 4410.0
02-11 4313.0
02-12 4161.82
02-13 3766.67
02-14 3635.0
02-15 4376.15
02-16 4440.0
02-17 3835.83
02-18 3633.33
02-19 3370.77
02-20 3317.5
02-21 2993.85
02-22 2924.62
02-23 3913.85
02-24 3646.92
02-25 3254.17
02-26 3070.77
02-27 3037.14
02-28 2941.43
02-29 3972.5
03-01 2793.85
03-02 3470.71
03-03 3500.71
03-04 3281.43
03-05 3258.57
03-06 3290.71
03-07 3980.0
03-08 3767.14
03-09 3572.14
03-10 3797.86
03-11 3827.14
03-12 3607.86
03-13 3462.14
03-14 3615.71
03-15 3723.57
03-16 3890.71
03-17 4011.43
03-18 3932.14
03-19 4650.0
03-20 4735.71
03-21 4889.33
03-22 5051.43
03-23 4614.67
03-24 4577.33
03-25 4722.67
03-26 5105.33
03-27 5249.33
03-28 5407.33
03-29 5028.67
03-30 4740.0
03-31 4705.0
04-01 4623.33
04-02 4498.0
04-03 4508.0
04-04 4616.67
04-05 4656.67
04-06 4471.43
04-07 4717.33
04-08 4988.67
04-09 4716.15
04-10 5224.0
04-11 5265.33
04-12 5656.43
04-13 5556.43
04-14 5500.71
04-15 4791.54
04-16 4566.15
04-17 4095.83
04-18 4446.92
04-19 4672.31
04-20 5097.69
04-21 5645.71
04-22 5715.71
04-23 5845.0
04-24 6234.29
04-25 6937.69
04-26 6752.86
04-27 6743.57
04-28 6761.43
04-29 6707.86
04-30 6333.85
05-01 6249.33
05-02 6153.57
05-03 6111.43
05-04 6571.33
05-05 6894.0
05-06 7451.33
05-07 7458.67
05-08 7182.14
05-09 7054.0
05-10 6447.86
05-11 6845.33
05-12 7011.33
05-13 6929.33
05-14 6543.08
05-15 6736.67
05-16 7113.08
05-17 8662.86
05-18 7576.67
05-19 7652.14
05-20 7307.14
05-21 7099.29
05-22 6883.33
05-23 6872.67
05-24 6646.0
05-25 6544.0
05-26 6490.67
05-27 6455.33
05-28 6378.67
05-29 6196.0
05-30 5974.0
05-31 5710.0
06-01 5608.67
06-02 5248.57
06-03 5590.0
06-04 5853.33
06-05 5786.43
06-06 5992.86
06-07 6034.29
06-08 6208.57
06-09 6125.33
06-10 6092.67
06-11 6064.67
06-12 6028.57
06-13 5670.0
06-14 5346.43
06-15 4948.0
06-16 4856.67
06-17 4724.67
06-18 4666.67
06-19 4755.0
06-20 4752.86
06-21 4684.29
06-22 4699.29
06-23 4760.0
06-24 4793.57
06-25 4742.14
06-26 4505.71
06-27 4317.14
06-28 4182.86
06-29 4097.14
06-30 4099.29
07-01 4253.57
07-02 4188.57
07-03 4050.0
07-04 4007.69
07-05 3983.33
07-06 3910.67
07-07 3787.14
07-08 3785.0
07-09 3804.29
07-10 3882.0
07-11 3938.57
07-12 3804.29
07-13 3697.86
07-14 3595.71
07-15 3575.33
07-16 3551.43
07-17 3532.67
07-18 3597.86
07-19 3562.0
07-20 3549.33
07-21 3474.0
07-22 3422.86
07-23 3377.14
07-24 3445.33
07-25 3386.0
07-26 3425.33
07-27 3402.0
07-28 3376.0
07-29 3372.0
07-30 3375.0
07-31 3324.0
08-01 3325.38
08-02 3356.43
08-03 3382.67
08-04 3372.67
08-05 3370.0
08-06 3334.67
08-07 3329.33
08-08 3380.0
08-09 3358.57
08-10 3383.08
08-11 3384.0
08-12 3364.0
08-13 3407.14
08-14 3379.33
08-15 3362.0
08-16 3382.86
08-17 3403.08
08-18 3367.69
08-19 3321.43
08-20 3299.29
08-21 3310.71
08-22 3243.57
08-23 3266.0
08-24 3250.0
08-25 3196.43
08-26 3224.0
08-27 3188.67
08-28 3127.33
08-29 3122.67
08-30 3081.33
08-31 3027.14
09-01 2903.33
09-02 2820.67
09-03 2808.67
09-04 2758.0
09-05 2717.33
09-06 2696.67
09-07 2744.0
09-08 2727.33
09-09 2720.0
09-10 2668.0
09-11 2647.33
09-12 2635.33
09-13 2599.29
09-14 2570.67
09-15 2546.67
09-16 2536.43
09-17 2500.67
09-18 2464.67
09-19 2440.67
09-20 2418.0
09-21 2385.71
09-22 2338.0
09-23 2342.0
09-24 2334.67
09-25 2361.33
09-26 2345.33
09-27 2328.0
09-28 2271.33
09-29 2234.0
09-30 2283.57
10-01 2205.38
10-02 2115.0
10-03 2038.46
10-04 2000.71
10-05 1960.0
10-06 1960.0
10-07 1948.67
10-08 1915.33
10-09 1896.67
10-10 1919.27
10-11 1963.57
10-12 1967.86
10-13 1905.0
10-14 1885.0
10-15 1957.69
10-16 1950.77
10-17 1807.86
10-18 1636.43
10-19 1582.31
10-20 1563.08
10-21 1742.14
10-22 1862.14
10-23 2279.23
10-24 2100.77
10-25 1990.0
10-26 1825.0
10-27 1925.38
10-28 1899.17
10-29 2009.23
10-30 2061.54
10-31 2080.0
11-01 2201.67
11-02 2226.15
11-03 2094.17
11-04 2034.62
11-05 2005.38
11-06 2496.67
11-07 2350.83
11-08 2182.5
11-09 2090.0
11-10 2020.83
11-11 1966.67
11-12 1908.33
11-13 2187.5
11-14 2480.77
11-15 2540.0
11-16 2534.62
11-17 2270.91
11-18 2192.5
11-19 2134.62
11-20 2259.29
11-21 2442.86
11-22 2387.69
11-23 2201.54
11-24 2126.92
11-25 2211.54
11-26 2871.67
11-27 2800.77
11-28 2667.86
11-29 2725.71
11-30 2659.29
12-01 2290.0
12-02 2282.31
12-03 2619.17
12-04 2313.85
12-05 2292.14
12-06 2290.0
12-07 2499.23
12-08 2492.86
12-09 4081.43
12-10 5020.71
12-11 4877.14
12-12 4697.14
12-13 3597.69
12-14 3220.0
12-15 2863.85
12-16 2938.46
12-17 3099.17
12-18 3435.83
12-19 3075.83
12-20 3141.67
12-21 3275.0
12-22 3438.33
12-23 3326.67
12-24 3025.83
12-25 2892.5
12-26 2822.0
12-27 2679.09
12-28 2707.27
12-29 2675.83
12-30 2769.09
12-31 2628.33

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index