Overview Realtime Historical Map View

Columbia River At The Dalles, 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 138058.33
01-02 128236.36
01-03 115463.64
01-04 111575.0
01-05 114483.33
01-06 123383.33
01-07 114891.67
01-08 115033.33
01-09 118036.36
01-10 126000.0
01-11 122425.0
01-12 126000.0
01-13 123283.33
01-14 127525.0
01-15 137241.67
01-16 128983.33
01-17 131200.0
01-18 125761.54
01-19 127408.33
01-20 127561.54
01-21 123958.33
01-22 125292.31
01-23 128033.33
01-24 127269.23
01-25 127400.0
01-26 137825.0
01-27 135761.54
01-28 137923.08
01-29 131623.08
01-30 124857.14
01-31 135361.54
02-01 137000.0
02-02 129200.0
02-03 132914.29
02-04 131800.0
02-05 138585.71
02-06 134963.64
02-07 148730.77
02-08 137361.54
02-09 138435.71
02-10 149500.0
02-11 150950.0
02-12 145830.77
02-13 144523.08
02-14 142300.0
02-15 153171.43
02-16 151092.31
02-17 151123.08
02-18 146546.15
02-19 146642.86
02-20 153164.29
02-21 142535.71
02-22 137657.14
02-23 133507.69
02-24 142838.46
02-25 144033.33
02-26 133153.85
02-27 139492.86
02-28 126835.71
02-29 148750.0
03-01 128430.77
03-02 133664.29
03-03 133528.57
03-04 135057.14
03-05 134814.29
03-06 129392.31
03-07 134414.29
03-08 137778.57
03-09 150664.29
03-10 143500.0
03-11 139014.29
03-12 145414.29
03-13 149057.14
03-14 145100.0
03-15 144192.86
03-16 135692.86
03-17 152057.14
03-18 137250.0
03-19 159846.67
03-20 165935.71
03-21 166053.33
03-22 181678.57
03-23 176900.0
03-24 172806.67
03-25 179140.0
03-26 184620.0
03-27 175933.33
03-28 158942.86
03-29 193613.33
03-30 186014.29
03-31 189464.29
04-01 194666.67
04-02 184373.33
04-03 190466.67
04-04 189746.67
04-05 194040.0
04-06 175442.86
04-07 193933.33
04-08 193846.67
04-09 174369.23
04-10 233715.38
04-11 209600.0
04-12 235071.43
04-13 225928.57
04-14 231142.86
04-15 208692.31
04-16 213076.92
04-17 204150.0
04-18 217376.92
04-19 219538.46
04-20 215538.46
04-21 232076.92
04-22 243692.31
04-23 249769.23
04-24 246615.38
04-25 226769.23
04-26 255142.86
04-27 241071.43
04-28 235615.38
04-29 244230.77
04-30 251384.62
05-01 240933.33
05-02 235928.57
05-03 245642.86
05-04 261866.67
05-05 264400.0
05-06 268428.57
05-07 273266.67
05-08 261928.57
05-09 275400.0
05-10 265357.14
05-11 268333.33
05-12 287000.0
05-13 291733.33
05-14 286076.92
05-15 286153.85
05-16 327785.71
05-17 312428.57
05-18 307266.67
05-19 327733.33
05-20 324571.43
05-21 310533.33
05-22 297600.0
05-23 299733.33
05-24 291933.33
05-25 294066.67
05-26 301200.0
05-27 292466.67
05-28 287266.67
05-29 306866.67
05-30 315000.0
05-31 296000.0
06-01 298266.67
06-02 293600.0
06-03 285466.67
06-04 300600.0
06-05 311428.57
06-06 287714.29
06-07 311583.33
06-08 275142.86
06-09 283066.67
06-10 282666.67
06-11 263533.33
06-12 281428.57
06-13 269214.29
06-14 260142.86
06-15 259266.67
06-16 248600.0
06-17 232133.33
06-18 235200.0
06-19 236285.71
06-20 241923.08
06-21 229857.14
06-22 235785.71
06-23 250142.86
06-24 249153.85
06-25 250500.0
06-26 241357.14
06-27 244714.29
06-28 248857.14
06-29 241500.0
06-30 251000.0
07-01 238285.71
07-02 229571.43
07-03 223214.29
07-04 221461.54
07-05 190066.67
07-06 185000.0
07-07 213000.0
07-08 207285.71
07-09 202428.57
07-10 183366.67
07-11 173692.86
07-12 182214.29
07-13 192857.14
07-14 188192.86
07-15 186538.46
07-16 190416.67
07-17 178953.85
07-18 176716.67
07-19 174457.14
07-20 165214.29
07-21 175346.15
07-22 172615.38
07-23 162071.43
07-24 162000.0
07-25 163642.86
07-26 161230.77
07-27 164928.57
07-28 157342.86
07-29 174785.71
07-30 162861.54
07-31 154428.57
08-01 166750.0
08-02 163692.31
08-03 153828.57
08-04 147857.14
08-05 141571.43
08-06 132271.43
08-07 148050.0
08-08 131607.69
08-09 136461.54
08-10 146153.85
08-11 132692.31
08-12 143153.85
08-13 137700.0
08-14 129928.57
08-15 128642.86
08-16 137630.77
08-17 134741.67
08-18 136216.67
08-19 132469.23
08-20 134750.0
08-21 132176.92
08-22 123700.0
08-23 125207.69
08-24 129130.77
08-25 126738.46
08-26 126578.57
08-27 122378.57
08-28 127630.77
08-29 127500.0
08-30 120121.43
08-31 114900.0
09-01 108764.29
09-02 91342.86
09-03 91950.0
09-04 82985.71
09-05 91215.38
09-06 90785.71
09-07 89650.0
09-08 91361.54
09-09 87285.71
09-10 91092.31
09-11 89635.71
09-12 84550.0
09-13 94407.69
09-14 82407.14
09-15 85021.43
09-16 85771.43
09-17 84821.43
09-18 87657.14
09-19 86484.62
09-20 86369.23
09-21 86592.31
09-22 82864.29
09-23 78135.71
09-24 80278.57
09-25 81535.71
09-26 82664.29
09-27 89185.71
09-28 86300.0
09-29 90371.43
09-30 81023.08
10-01 81758.33
10-02 80716.67
10-03 83509.09
10-04 85633.33
10-05 83300.0
10-06 81866.67
10-07 81942.86
10-08 80642.86
10-09 83178.57
10-10 81721.43
10-11 86250.0
10-12 80928.57
10-13 78650.0
10-14 89471.43
10-15 87430.77
10-16 83766.67
10-17 90325.0
10-18 93000.0
10-19 78483.33
10-20 80241.67
10-21 85023.08
10-22 83335.71
10-23 80714.29
10-24 84457.14
10-25 82914.29
10-26 88684.62
10-27 88153.85
10-28 88183.33
10-29 96561.54
10-30 94925.0
10-31 93858.33
11-01 95854.55
11-02 99714.29
11-03 96008.33
11-04 97085.71
11-05 96423.08
11-06 94741.67
11-07 105133.33
11-08 100758.33
11-09 100218.18
11-10 104283.33
11-11 114118.18
11-12 104116.67
11-13 111058.33
11-14 109184.62
11-15 103269.23
11-16 105946.15
11-17 109050.0
11-18 109400.0
11-19 104800.0
11-20 108815.38
11-21 104442.86
11-22 106961.54
11-23 111292.31
11-24 104391.67
11-25 100869.23
11-26 111176.92
11-27 102025.0
11-28 103571.43
11-29 108085.71
11-30 115271.43
12-01 106307.14
12-02 101192.86
12-03 107969.23
12-04 113378.57
12-05 111321.43
12-06 121315.38
12-07 120523.08
12-08 122607.14
12-09 115178.57
12-10 116307.14
12-11 122035.71
12-12 110635.71
12-13 123015.38
12-14 109016.67
12-15 111233.33
12-16 107107.69
12-17 115775.0
12-18 110763.64
12-19 132016.67
12-20 114750.0
12-21 122000.0
12-22 110200.0
12-23 118000.0
12-24 105876.92
12-25 119430.77
12-26 106545.45
12-27 114141.67
12-28 118727.27
12-29 125441.67
12-30 112818.18
12-31 116741.67

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index