Lower Columbia River Temperature Report for September 2021  
Generated 2021-10-01 06:18:05

  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 68.7 68.8 69.0 10/10 68.8 68.9 69.1 24/24 68.6 68.9 69.8 24/24 68.8 68.9 69.1 24/24 67.6 67.8 68.0 0/24 67.9 68.0 68.3 8/24 68.1 68.2 68.4 24/24 68.1 68.2 68.4 15/15 67.4 68.1 69.0 10/24 --- --- --- 0/0 66.8 67.2 67.6 0/9
09 02 --- --- --- 0/0 68.6 68.8 69.1 24/24 68.9 69.1 69.6 24/24 68.8 69.0 69.2 24/24 67.9 68.3 68.7 14/24 67.8 68.2 68.6 13/24 67.9 68.1 68.4 16/24 --- --- --- 0/0 67.2 68.0 68.9 9/24 --- --- --- 0/0 --- --- --- 0/0
09 03 --- --- --- 0/0 68.5 68.7 68.8 24/24 68.8 69.0 69.8 24/24 68.8 69.0 69.2 24/24 68.3 68.6 68.8 24/24 68.5 68.6 68.7 24/24 68.3 68.4 68.5 24/24 --- --- --- 0/0 67.2 68.1 68.9 12/24 --- --- --- 0/0 --- --- --- 0/0
09 04 --- --- --- 0/0 68.5 68.7 69.0 24/24 68.8 69.0 69.8 24/24 68.8 69.0 69.2 24/24 68.6 68.7 68.9 24/24 68.7 68.8 69.0 24/24 68.1 68.2 68.3 24/24 --- --- --- 0/0 67.7 68.2 68.9 13/24 --- --- --- 0/0 --- --- --- 0/0
09 05 --- --- --- 0/0 68.3 68.6 68.8 24/24 68.7 68.7 68.8 24/24 68.7 68.9 69.1 24/24 68.7 68.8 69.3 24/24 68.7 68.9 69.1 24/24 68.0 68.2 68.4 20/24 --- --- --- 0/0 67.6 68.2 69.4 12/24 --- --- --- 0/0 --- --- --- 0/0
09 06 --- --- --- 0/0 68.1 68.3 68.6 24/24 68.7 68.8 69.0 24/24 68.8 68.9 69.1 24/24 68.9 68.9 69.0 24/24 68.8 69.0 69.3 24/24 68.4 68.4 68.6 24/24 --- --- --- 0/0 67.5 68.3 69.5 13/24 --- --- --- 0/0 --- --- --- 0/0
09 07 --- --- --- 0/0 68.2 68.5 68.7 24/24 69.0 69.1 69.3 24/24 68.9 69.1 69.2 24/24 68.9 68.9 69.0 24/24 68.9 69.0 69.2 24/24 68.6 68.7 68.9 24/24 --- --- --- 0/0 67.7 68.6 69.2 21/24 --- --- --- 0/0 --- --- --- 0/0
09 08 --- --- --- 0/0 68.7 68.9 69.2 24/24 68.9 69.0 69.2 24/24 69.0 69.1 69.2 24/24 68.9 69.0 69.1 24/24 68.9 69.1 69.3 24/24 68.7 68.9 69.1 24/24 --- --- --- 0/0 68.2 68.8 69.5 24/24 --- --- --- 0/0 --- --- --- 0/0
09 09 --- --- --- 0/0 68.8 69.1 69.3 24/24 69.0 69.1 69.3 24/24 69.0 69.2 69.4 24/24 68.9 69.1 69.3 24/24 69.0 69.1 69.3 24/24 69.1 69.2 69.3 24/24 --- --- --- 0/0 68.6 69.1 69.7 24/24 --- --- --- 0/0 --- --- --- 0/0
09 10 --- --- --- 0/0 69.2 69.3 69.4 24/24 69.1 69.2 69.3 24/24 69.2 69.2 69.2 24/24 68.7 68.9 69.2 24/24 68.7 69.0 69.2 24/24 68.8 69.0 69.3 24/24 --- --- --- 0/0 68.4 68.8 69.1 24/24 --- --- --- 0/0 --- --- --- 0/0
09 11 --- --- --- 0/0 69.0 69.2 69.5 24/24 69.0 69.2 69.7 24/24 69.0 69.2 69.4 24/24 68.5 68.6 68.7 24/24 68.6 68.8 69.0 24/24 68.4 68.5 68.7 24/24 --- --- --- 0/0 67.8 68.4 69.0 21/24 --- --- --- 0/0 --- --- --- 0/0
09 12 --- --- --- 0/0 69.1 69.3 69.5 24/24 69.2 69.5 69.7 24/24 69.3 69.4 69.7 24/24 68.3 68.5 68.8 24/24 68.5 68.6 68.8 24/24 68.3 68.4 68.5 24/24 --- --- --- 0/0 67.6 68.2 68.7 19/24 --- --- --- 0/0 --- --- --- 0/0
09 13 --- --- --- 0/0 68.8 69.0 69.3 24/24 69.0 69.2 69.3 24/24 69.1 69.2 69.4 24/24 68.3 68.5 68.7 24/24 68.1 68.5 68.7 24/24 67.8 68.0 68.2 5/24 --- --- --- 0/0 66.9 67.8 68.5 5/24 --- --- --- 0/0 --- --- --- 0/0
09 14 --- --- --- 0/0 68.8 69.0 69.3 24/24 69.1 69.2 69.3 24/24 69.2 69.3 69.5 24/24 68.3 68.4 68.6 24/24 68.3 68.5 68.6 24/24 67.7 67.8 67.9 0/24 --- --- --- 0/0 67.2 67.7 68.3 5/24 --- --- --- 0/0 --- --- --- 0/0
09 15 --- --- --- 0/0 68.5 68.8 69.0 24/24 69.0 69.1 69.2 24/24 68.9 69.2 69.3 24/24 68.3 68.6 68.7 24/24 68.3 68.5 68.8 24/24 67.6 67.8 67.9 0/24 --- --- --- 0/0 67.0 67.5 68.0 0/24 --- --- --- 0/0 --- --- --- 0/0
09 16 --- --- --- 0/0 68.3 68.5 68.9 24/24 68.7 69.0 69.4 24/24 68.8 68.9 69.1 24/24 67.6 68.0 68.3 10/24 68.0 68.2 68.5 22/24 66.8 67.2 67.5 0/24 --- --- --- 0/0 66.3 66.8 67.3 0/24 --- --- --- 0/0 --- --- --- 0/0
09 17 --- --- --- 0/0 68.1 68.2 68.4 24/24 68.7 68.9 69.3 24/24 68.7 68.8 68.9 24/24 67.4 67.5 67.6 0/24 67.5 67.6 67.9 0/24 66.5 66.6 66.8 0/24 --- --- --- 0/0 65.5 66.3 66.9 0/24 --- --- --- 0/0 --- --- --- 0/0
09 18 --- --- --- 0/0 68.0 68.1 68.3 20/24 68.4 68.6 68.7 24/24 68.4 68.6 68.7 24/24 67.6 67.7 67.7 0/24 67.4 67.6 67.8 0/24 66.5 66.6 66.7 0/24 --- --- --- 0/0 65.6 66.2 66.6 0/24 --- --- --- 0/0 --- --- --- 0/0
09 19 --- --- --- 0/0 67.6 67.9 68.0 0/24 68.1 68.3 68.4 24/24 68.1 68.3 68.4 24/24 67.4 67.6 67.7 0/24 67.4 67.6 67.7 0/24 66.5 66.5 66.6 0/24 --- --- --- 0/0 65.9 66.2 66.6 0/24 --- --- --- 0/0 --- --- --- 0/0
09 20 --- --- --- 0/0 67.2 67.4 67.6 0/24 67.8 68.0 68.2 6/24 67.9 68.0 68.2 9/24 67.2 67.3 67.4 0/24 67.2 67.4 67.6 0/24 66.5 66.6 66.7 0/24 --- --- --- 0/0 65.9 66.5 67.1 0/24 --- --- --- 0/0 --- --- --- 0/0
09 21 --- --- --- 0/0 66.6 66.9 67.1 0/24 67.9 68.0 68.2 6/13 67.9 68.0 68.1 2/24 66.9 67.1 67.4 0/24 67.0 67.2 67.4 0/24 66.1 66.3 66.7 0/24 --- --- --- 0/0 65.9 66.2 66.7 0/24 --- --- --- 0/0 --- --- --- 0/0
09 22 --- --- --- 0/0 65.7 66.2 66.5 0/24 --- --- --- 0/0 67.5 67.7 67.9 0/24 67.4 67.4 67.5 0/10 67.2 67.4 67.6 0/24 66.1 66.1 66.3 0/13 --- --- --- 0/0 65.5 66.0 66.3 0/24 --- --- --- 0/0 --- --- --- 0/0
09 23 --- --- --- 0/0 65.2 65.5 65.7 0/24 --- --- --- 0/0 67.4 67.5 67.7 0/22 --- --- --- 0/0 67.0 67.2 67.4 0/22 --- --- --- 0/0 --- --- --- 0/0 65.6 66.5 67.5 0/22 --- --- --- 0/0 --- --- --- 0/0
09 24 --- --- --- 0/0 65.0 65.3 65.6 0/24 --- --- --- 0/0 67.4 67.5 67.7 0/24 --- --- --- 0/0 66.9 67.1 67.3 0/24 --- --- --- 0/0 --- --- --- 0/0 66.1 66.6 67.3 0/24 --- --- --- 0/0 --- --- --- 0/0
09 25 --- --- --- 0/0 65.5 65.6 65.7 0/24 --- --- --- 0/0 67.3 67.4 67.6 0/24 --- --- --- 0/0 67.2 67.3 67.4 0/24 --- --- --- 0/0 --- --- --- 0/0 65.8 66.4 66.9 0/24 --- --- --- 0/0 --- --- --- 0/0
09 26 --- --- --- 0/0 65.4 65.6 65.9 0/24 --- --- --- 0/0 67.1 67.2 67.3 0/24 --- --- --- 0/0 67.1 67.3 67.4 0/24 --- --- --- 0/0 --- --- --- 0/0 66.3 66.8 67.4 0/24 --- --- --- 0/0 --- --- --- 0/0
09 27 --- --- --- 0/0 65.6 65.7 65.8 0/24 --- --- --- 0/0 66.9 67.0 67.1 0/24 --- --- --- 0/0 66.7 67.0 67.0 0/24 --- --- --- 0/0 --- --- --- 0/0 66.0 66.4 66.8 0/24 --- --- --- 0/0 --- --- --- 0/0
09 28 --- --- --- 0/0 65.4 65.5 65.6 0/24 --- --- --- 0/0 66.5 66.7 66.8 0/24 --- --- --- 0/0 66.2 66.5 66.7 0/24 --- --- --- 0/0 --- --- --- 0/0 65.2 65.6 66.1 0/24 --- --- --- 0/0 --- --- --- 0/0
09 29 --- --- --- 0/0 65.2 65.3 65.5 0/24 --- --- --- 0/0 66.2 66.3 66.4 0/24 --- --- --- 0/0 65.9 66.0 66.1 0/24 --- --- --- 0/0 --- --- --- 0/0 64.9 65.5 65.9 0/24 --- --- --- 0/0 --- --- --- 0/0
09 30 --- --- --- 0/0 65.0 65.2 65.4 0/24 --- --- --- 0/0 65.9 66.1 66.2 0/24 --- --- --- 0/0 65.6 65.8 65.9 0/24 --- --- --- 0/0 --- --- --- 0/0 64.7 65.3 65.7 0/24 --- --- --- 0/0 --- --- --- 0/0
>68.05 1 1 1 10/
10		 17 18 18 428/
720		 19 19 21 468/
493		 19 19 21 467/
718		 13 14 15 336/
514		 13 15 16 355/
718		 10 12 13 281/
517		 1 1 1 15/
15		 3 11 14 212/
718		 0 0 0 0/
0		 0 0 0 0/
9

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.