Columbia River Below Priest Rapids Dam, 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 107766.67
01-02 102209.09
01-03 102981.82
01-04 105350.0
01-05 115181.82
01-06 107700.0
01-07 108241.67
01-08 112883.33
01-09 111372.73
01-10 115966.67
01-11 109700.0
01-12 112816.67
01-13 107350.0
01-14 111225.0
01-15 119866.67
01-16 117700.0
01-17 114261.54
01-18 121630.77
01-19 108553.85
01-20 118284.62
01-21 112400.0
01-22 108600.0
01-23 117975.0
01-24 106076.92
01-25 117741.67
01-26 111891.67
01-27 105853.85
01-28 107861.54
01-29 113623.08
01-30 113800.0
01-31 105092.86
02-01 101914.29
02-02 103557.14
02-03 97992.86
02-04 103050.0
02-05 105228.57
02-06 93553.85
02-07 105153.85
02-08 108533.33
02-09 107442.86
02-10 113169.23
02-11 107253.85
02-12 105607.14
02-13 113500.0
02-14 111730.77
02-15 108064.29
02-16 113900.0
02-17 110176.92
02-18 111200.0
02-19 116321.43
02-20 114185.71
02-21 105064.29
02-22 111578.57
02-23 110150.0
02-24 103892.86
02-25 101591.67
02-26 94261.54
02-27 102014.29
02-28 102142.86
02-29 98575.0
03-01 96784.62
03-02 95650.0
03-03 93942.86
03-04 99271.43
03-05 99507.14
03-06 96050.0
03-07 97135.71
03-08 100607.14
03-09 104542.86
03-10 102078.57
03-11 98550.0
03-12 100500.0
03-13 97278.57
03-14 100092.86
03-15 98121.43
03-16 94542.86
03-17 99842.86
03-18 92521.43
03-19 95346.67
03-20 93571.43
03-21 104973.33
03-22 114364.29
03-23 110860.0
03-24 106546.67
03-25 110186.67
03-26 103673.33
03-27 110380.0
03-28 109513.33
03-29 113233.33
03-30 110706.67
03-31 115150.0
04-01 113920.0
04-02 108160.0
04-03 103286.67
04-04 117540.0
04-05 116333.33
04-06 107371.43
04-07 112693.33
04-08 107266.67
04-09 107523.08
04-10 119000.0
04-11 126820.0
04-12 125935.71
04-13 127864.29
04-14 131228.57
04-15 119930.77
04-16 128630.77
04-17 116191.67
04-18 132823.08
04-19 125076.92
04-20 132353.85
04-21 136514.29
04-22 135314.29
04-23 135742.86
04-24 141700.0
04-25 138330.77
04-26 135050.0
04-27 134814.29
04-28 138578.57
04-29 139142.86
04-30 137992.31
05-01 150173.33
05-02 150228.57
05-03 149178.57
05-04 154533.33
05-05 160133.33
05-06 165253.33
05-07 159866.67
05-08 156235.71
05-09 170806.67
05-10 166664.29
05-11 184560.0
05-12 179666.67
05-13 183333.33
05-14 188923.08
05-15 190538.46
05-16 197714.29
05-17 188114.29
05-18 190480.0
05-19 190306.67
05-20 206142.86
05-21 198500.0
05-22 193453.33
05-23 195666.67
05-24 193626.67
05-25 194193.33
05-26 181300.0
05-27 187720.0
05-28 187333.33
05-29 193733.33
05-30 189333.33
05-31 182133.33
06-01 186266.67
06-02 184285.71
06-03 183466.67
06-04 191946.67
06-05 189214.29
06-06 187785.71
06-07 195857.14
06-08 179678.57
06-09 183133.33
06-10 183966.67
06-11 173526.67
06-12 180121.43
06-13 185285.71
06-14 165428.57
06-15 177500.0
06-16 173000.0
06-17 162426.67
06-18 162486.67
06-19 169978.57
06-20 167607.14
06-21 175792.86
06-22 180664.29
06-23 196900.0
06-24 183778.57
06-25 182985.71
06-26 189921.43
06-27 186478.57
06-28 177700.0
06-29 189078.57
06-30 175578.57
07-01 163871.43
07-02 176192.86
07-03 169864.29
07-04 166276.92
07-05 155093.33
07-06 159206.67
07-07 156421.43
07-08 140728.57
07-09 141414.29
07-10 136966.67
07-11 129464.29
07-12 142714.29
07-13 146421.43
07-14 138300.0
07-15 137213.33
07-16 138085.71
07-17 143106.67
07-18 136364.29
07-19 133060.0
07-20 133360.0
07-21 125946.67
07-22 125507.14
07-23 132800.0
07-24 132140.0
07-25 127140.0
07-26 124860.0
07-27 120226.67
07-28 117473.33
07-29 125720.0
07-30 119835.71
07-31 116853.33
08-01 114646.15
08-02 116007.14
08-03 107760.0
08-04 105533.33
08-05 108860.0
08-06 104433.33
08-07 118086.67
08-08 111764.29
08-09 111364.29
08-10 113169.23
08-11 105093.33
08-12 105673.33
08-13 110942.86
08-14 113000.0
08-15 106273.33
08-16 98864.29
08-17 107276.92
08-18 103092.31
08-19 102142.86
08-20 112635.71
08-21 98735.71
08-22 104335.71
08-23 96053.33
08-24 94200.0
08-25 98415.38
08-26 101450.0
08-27 98114.29
08-28 91230.77
08-29 91664.29
08-30 82600.0
08-31 88046.15
09-01 86842.86
09-02 88607.14
09-03 67907.14
09-04 70700.0
09-05 63207.14
09-06 66464.29
09-07 66507.14
09-08 64335.71
09-09 61550.0
09-10 60307.14
09-11 65115.38
09-12 63600.0
09-13 56892.31
09-14 56485.71
09-15 55685.71
09-16 64007.69
09-17 59864.29
09-18 60992.86
09-19 53221.43
09-20 56050.0
09-21 55823.08
09-22 61242.86
09-23 58921.43
09-24 58585.71
09-25 68471.43
09-26 61500.0
09-27 68564.29
09-28 56078.57
09-29 63600.0
09-30 63461.54
10-01 56641.67
10-02 71192.31
10-03 63516.67
10-04 52284.62
10-05 60107.14
10-06 59428.57
10-07 53628.57
10-08 53800.0
10-09 59942.86
10-10 53964.29
10-11 59078.57
10-12 62735.71
10-13 65442.86
10-14 67157.14
10-15 75515.38
10-16 84969.23
10-17 83064.29
10-18 79292.86
10-19 82915.38
10-20 81423.08
10-21 83038.46
10-22 89585.71
10-23 80942.86
10-24 94442.86
10-25 94421.43
10-26 90730.77
10-27 95385.71
10-28 106130.77
10-29 87628.57
10-30 83485.71
10-31 101864.29
11-01 113984.62
11-02 131971.43
11-03 114084.62
11-04 116642.86
11-05 123361.54
11-06 126530.77
11-07 116053.85
11-08 140392.31
11-09 149661.54
11-10 144769.23
11-11 135353.85
11-12 124876.92
11-13 135461.54
11-14 131592.86
11-15 132338.46
11-16 129607.14
11-17 158000.0
11-18 165761.54
11-19 149907.69
11-20 154257.14
11-21 131357.14
11-22 119161.54
11-23 118123.08
11-24 111776.92
11-25 108253.85
11-26 105476.92
11-27 97133.33
11-28 85742.86
11-29 94364.29
11-30 101435.71
12-01 89671.43
12-02 88571.43
12-03 95415.38
12-04 93442.86
12-05 105071.43
12-06 106307.69
12-07 99500.0
12-08 100842.86
12-09 104078.57
12-10 106328.57
12-11 105657.14
12-12 98285.71
12-13 114100.0
12-14 114241.67
12-15 108215.38
12-16 101723.08
12-17 104750.0
12-18 112200.0
12-19 107192.31
12-20 104375.0
12-21 103207.69
12-22 97730.77
12-23 98361.54
12-24 104807.69
12-25 110015.38
12-26 99127.27
12-27 99516.67
12-28 105254.55
12-29 103566.67
12-30 105236.36
12-31 102500.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index