Lower Columbia River Temperature Report for September 2024  
Generated 2024-10-01 13:18:09

  McNary Dam forebay on Columbia R. (MCNA) McNary Dam tailwater on Columbia R. (MCPW) John Day Dam forebay (JDY) John Day Dam tailwater (JHAW) The Dalles Dam forebay on Columbia R. (TDA) The Dalles tailwater Downstream (TDDO) Bonneville Dam forebay (BON) Cascade Island (CCIW) Warrendale (WRNO) Camas / Washougal (CWMW) Pasco - Columbia Rivers (PAQW)
Date Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05
09 01 68.3 68.5 68.9 24/24 68.5 68.7 68.9 24/24 69.9 70.1 70.4 24/24 69.9 70.0 70.1 24/24 69.4 69.7 70.1 24/24 69.8 70.0 70.2 24/24 69.3 69.6 69.9 24/24 69.4 69.6 69.9 24/24 69.2 69.5 69.8 24/24 --- --- --- 0/0 68.1 68.6 69.0 24/24
09 02 68.3 68.6 68.9 24/24 68.5 68.7 68.9 24/24 69.5 69.8 70.2 24/24 69.5 69.8 70.0 24/24 69.6 69.8 70.0 24/24 69.9 70.1 70.2 24/24 69.4 69.6 69.9 24/24 69.4 69.7 69.8 24/24 69.2 69.6 69.7 24/24 --- --- --- 0/0 68.4 68.7 69.0 24/24
09 03 68.3 68.7 69.0 24/24 68.3 68.7 69.1 24/24 69.5 69.7 70.0 24/24 69.6 69.8 69.9 24/24 69.4 69.5 69.8 24/24 69.7 69.8 69.9 24/24 69.2 69.3 69.4 24/24 69.2 69.3 69.5 24/24 69.2 69.3 69.5 24/24 --- --- --- 0/0 68.0 68.6 69.2 21/24
09 04 68.9 69.3 69.9 24/24 69.0 69.4 69.8 24/24 69.8 70.0 70.7 24/24 69.9 70.1 70.2 24/24 69.0 69.2 69.6 24/24 69.4 69.5 69.7 24/24 69.2 69.3 69.4 24/24 69.1 69.3 69.5 24/24 68.9 69.2 69.6 24/24 --- --- --- 0/0 68.7 69.0 69.2 24/24
09 05 69.4 69.6 69.9 24/24 69.5 69.7 69.8 24/24 69.9 70.1 70.9 24/24 70.0 70.1 70.3 24/24 69.5 69.8 70.1 24/24 69.7 69.9 70.2 24/24 69.2 69.4 69.5 24/24 69.3 69.4 69.5 24/24 69.1 69.3 69.6 24/24 --- --- --- 0/0 68.8 69.4 69.9 24/24
09 06 69.2 69.6 70.6 24/24 69.5 69.7 69.9 24/24 70.0 70.3 70.6 24/24 69.9 70.1 70.2 24/24 69.8 70.0 70.2 24/24 70.2 70.3 70.4 24/24 69.5 69.6 69.8 24/24 69.3 69.6 69.9 24/24 69.2 69.5 69.9 24/24 --- --- --- 0/0 69.3 69.7 70.0 24/24
09 07 69.3 69.8 70.4 24/24 69.6 69.8 69.9 24/24 69.8 70.3 70.6 24/24 70.0 70.0 70.1 24/24 69.9 70.0 70.1 24/24 70.1 70.2 70.3 24/24 69.7 69.8 69.8 24/24 69.7 69.8 69.9 24/24 69.6 69.8 69.9 24/24 --- --- --- 0/0 69.3 69.7 69.9 24/24
09 08 69.7 70.1 70.4 24/24 69.8 70.0 70.1 24/24 69.8 70.2 70.6 24/24 69.9 70.0 70.2 24/24 69.7 69.9 70.0 24/24 69.9 70.1 70.3 24/24 69.6 69.8 70.1 24/24 69.6 69.9 70.1 24/24 69.4 69.8 70.0 24/24 --- --- --- 0/0 69.6 69.9 70.2 24/24
09 09 69.8 70.1 70.4 24/24 70.0 70.1 70.3 24/24 69.7 69.9 70.1 24/24 69.7 69.9 70.1 24/24 69.6 69.7 69.9 24/24 69.8 69.9 70.1 24/24 69.9 70.0 70.1 24/24 69.7 70.0 70.3 24/24 69.7 69.9 70.3 24/24 --- --- --- 0/0 69.7 70.1 70.4 24/24
09 10 69.9 70.0 70.2 24/24 69.9 70.1 70.4 24/24 69.9 70.0 70.3 24/24 69.9 70.1 70.2 24/24 69.4 69.6 69.8 24/24 69.6 69.8 70.1 24/24 69.9 70.0 70.1 24/24 69.8 70.0 70.2 24/24 69.7 69.9 70.2 24/24 --- --- --- 0/0 69.9 70.3 70.8 24/24
09 11 69.9 70.0 70.1 24/24 70.0 70.0 70.1 24/24 69.9 70.0 70.1 24/24 69.9 70.0 70.1 23/23 69.2 69.3 69.4 24/24 69.4 69.5 69.6 24/24 69.3 69.5 69.9 24/24 69.2 69.6 69.8 24/24 69.2 69.5 69.7 24/24 --- --- --- 0/0 69.0 69.7 70.4 24/24
09 12 69.6 69.8 69.9 24/24 69.6 69.8 70.0 24/24 69.6 69.7 69.9 24/24 69.5 69.7 69.9 24/24 68.6 68.9 69.1 24/24 69.0 69.2 69.3 24/24 68.5 69.0 69.3 24/24 68.6 69.0 69.3 24/24 68.6 69.0 69.2 24/24 --- --- --- 0/0 68.2 68.5 69.0 24/24
09 13 69.5 69.5 69.6 24/24 69.5 69.7 69.9 24/24 69.2 69.4 69.6 24/24 69.2 69.4 69.6 24/24 68.2 68.5 68.8 24/24 68.6 68.8 69.0 24/24 68.2 68.3 68.5 24/24 68.1 68.3 68.5 24/24 68.2 68.3 68.5 24/24 --- --- --- 0/0 67.6 68.1 68.5 13/24
09 14 69.4 69.5 69.5 24/24 69.4 69.7 69.9 24/24 69.1 69.1 69.2 24/24 69.1 69.2 69.3 24/24 68.2 68.3 68.5 24/24 68.3 68.5 68.6 24/24 67.8 68.0 68.1 6/24 67.8 68.0 68.1 11/24 67.8 68.0 68.2 7/24 --- --- --- 0/0 68.0 68.2 68.3 21/24
09 15 69.2 69.3 69.4 24/24 69.3 69.4 69.5 24/24 68.9 69.0 69.1 24/24 68.8 69.0 69.2 24/24 68.1 68.2 68.4 24/24 68.1 68.4 68.6 24/24 67.4 67.6 67.7 0/24 67.4 67.6 67.8 0/24 67.4 67.5 67.8 0/24 --- --- --- 0/0 68.0 68.2 68.3 17/24
09 16 69.0 69.1 69.2 11/11 68.6 68.9 69.3 24/24 68.9 68.9 69.0 24/24 68.9 68.9 69.0 24/24 67.9 68.0 68.1 1/24 68.1 68.2 68.3 24/24 67.4 67.4 67.5 0/24 67.2 67.4 67.6 0/24 67.1 67.3 67.6 0/24 --- --- --- 0/0 67.6 67.8 68.2 3/24
09 17 --- --- --- 0/0 68.0 68.3 68.5 22/24 68.7 68.8 68.9 24/24 68.7 68.8 68.9 24/24 67.5 67.8 68.0 0/24 67.8 68.0 68.2 8/24 66.8 67.2 67.4 0/24 66.8 67.1 67.4 0/24 66.9 67.1 67.3 0/24 --- --- --- 0/0 67.0 67.2 67.5 0/14
09 18 --- --- --- 0/0 67.9 67.9 68.1 4/24 68.5 68.6 68.7 24/24 68.5 68.6 68.8 24/24 67.3 67.4 67.6 0/24 67.5 67.7 67.8 0/24 66.4 66.5 66.7 0/24 66.5 66.6 66.8 0/24 66.4 66.6 66.8 0/24 --- --- --- 0/0 --- --- --- 0/0
09 19 --- --- --- 0/0 67.6 67.8 68.0 0/24 68.4 68.5 68.6 24/24 68.4 68.5 68.6 24/24 67.2 67.4 67.6 0/24 67.3 67.5 67.6 0/24 66.4 66.5 66.6 0/24 66.3 66.5 66.7 0/24 66.1 66.4 66.7 0/24 --- --- --- 0/0 --- --- --- 0/0
09 20 --- --- --- 0/0 67.2 67.5 67.7 0/24 68.1 68.2 68.4 24/24 68.1 68.2 68.3 24/24 67.2 67.4 67.6 0/24 67.3 67.5 67.7 0/24 66.1 66.4 66.6 0/24 66.1 66.4 66.7 0/24 66.1 66.3 66.7 0/24 --- --- --- 0/0 --- --- --- 0/0
09 21 --- --- --- 0/0 66.8 67.1 67.2 0/24 67.9 68.1 68.5 9/24 67.9 68.1 68.3 12/24 66.7 66.8 67.1 0/24 66.9 67.2 67.4 0/24 66.0 66.1 66.2 0/24 65.8 66.1 66.4 0/24 65.8 66.0 66.5 0/24 --- --- --- 0/0 --- --- --- 0/0
09 22 --- --- --- 0/0 66.7 66.9 67.1 0/24 67.9 68.1 68.4 11/24 67.9 68.0 68.1 6/24 66.8 67.1 67.5 0/24 66.8 67.1 67.4 0/24 66.0 66.1 66.2 0/24 65.9 66.1 66.4 0/24 65.8 66.1 66.4 0/24 --- --- --- 0/0 --- --- --- 0/0
09 23 --- --- --- 0/0 66.8 67.1 67.3 0/24 67.7 67.8 67.9 0/24 67.7 67.8 68.0 0/24 67.1 67.2 67.5 0/24 67.1 67.4 67.7 0/24 65.9 66.1 66.3 0/24 65.9 66.1 66.4 0/24 65.8 66.1 66.4 0/24 --- --- --- 0/0 --- --- --- 0/0
09 24 --- --- --- 0/0 67.1 67.4 67.8 0/24 67.7 67.8 68.4 2/15 67.8 67.9 68.1 4/24 67.3 67.3 67.4 0/13 67.4 67.6 68.1 1/24 66.3 66.7 66.9 0/24 66.3 66.7 67.1 0/24 66.1 66.6 67.1 0/24 --- --- --- 0/0 --- --- --- 0/0
09 25 --- --- --- 0/0 67.3 67.6 67.8 0/24 --- --- --- 0/0 67.6 67.8 67.9 0/24 --- --- --- 0/0 67.7 67.9 68.1 2/24 67.0 67.0 67.1 0/15 66.9 67.0 67.1 0/16 66.8 66.9 67.1 0/24 --- --- --- 0/0 --- --- --- 0/0
09 26 --- --- --- 0/0 67.1 67.3 67.5 0/24 --- --- --- 0/0 67.4 67.6 67.8 0/24 --- --- --- 0/0 67.5 67.7 67.8 0/24 --- --- --- 0/0 --- --- --- 0/0 66.6 66.8 67.4 0/24 --- --- --- 0/0 --- --- --- 0/0
09 27 --- --- --- 0/0 67.1 67.3 67.5 0/24 --- --- --- 0/0 67.6 67.8 67.9 0/24 --- --- --- 0/0 67.2 67.3 67.5 0/24 --- --- --- 0/0 --- --- --- 0/0 66.9 67.0 67.3 0/24 --- --- --- 0/0 --- --- --- 0/0
09 28 --- --- --- 0/0 67.2 67.4 67.6 0/24 --- --- --- 0/0 67.6 67.8 68.0 0/24 --- --- --- 0/0 67.0 67.3 67.6 0/24 --- --- --- 0/0 --- --- --- 0/0 66.6 66.9 67.1 0/24 --- --- --- 0/0 --- --- --- 0/0
09 29 --- --- --- 0/0 66.8 67.1 67.3 0/24 --- --- --- 0/0 67.3 67.4 67.6 0/24 --- --- --- 0/0 67.0 67.2 67.4 0/24 --- --- --- 0/0 --- --- --- 0/0 66.2 66.4 66.7 0/24 --- --- --- 0/0 --- --- --- 0/0
09 30 --- --- --- 0/0 66.6 66.8 67.1 0/24 --- --- --- 0/0 67.1 67.2 67.3 0/24 --- --- --- 0/0 66.3 66.6 67.0 0/24 --- --- --- 0/0 --- --- --- 0/0 65.7 65.9 66.3 0/24 --- --- --- 0/0 --- --- --- 0/0
>68.05 16 16 16 371/
371		 16 17 18 410/
720		 20 22 23 502/
567		 20 21 23 501/
719		 15 15 16 361/
565		 16 16 19 395/
720		 13 13 14 318/
591		 13 13 14 323/
592		 13 13 14 319/
720		 0 0 0 0/
0		 11 15 16 339/
398

Temperature in Degrees Fahrenheit
<32 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 >86

Bold, red text denotes values above 68.05°F.
--- indicates No Data

NOTICE: This report is based on raw, unverified data.