Lower Columbia River Temperature Report for August 2021  
Generated 2021-09-01 06:18:06

  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
08 01 70.7 71.1 72.3 24/24 70.5 71.2 71.8 24/24 71.6 72.2 72.8 24/24 71.7 72.0 72.3 24/24 71.8 72.0 72.2 24/24 72.1 72.3 72.4 24/24 71.9 72.1 72.3 24/24 71.9 72.1 72.4 24/24 71.5 72.2 73.3 24/24 --- --- --- 0/0 69.8 70.0 70.3 24/24
08 02 71.5 72.1 73.1 24/24 71.7 72.0 72.3 24/24 72.2 72.9 73.4 24/24 72.1 72.4 72.9 24/24 71.9 72.2 72.6 24/24 72.0 72.3 72.6 24/24 71.9 72.3 72.8 24/24 72.0 72.3 72.8 24/24 71.6 72.4 73.4 24/24 --- --- --- 0/0 69.5 69.8 70.2 24/24
08 03 71.4 71.8 72.1 24/24 72.0 72.1 72.4 24/24 72.9 73.4 73.7 24/24 72.6 72.8 73.0 24/24 72.4 72.7 73.1 24/24 72.4 72.8 73.2 24/24 72.5 72.8 73.1 24/24 72.5 72.8 73.1 24/24 72.6 72.9 73.4 24/24 --- --- --- 0/0 70.0 70.2 70.3 24/24
08 04 71.7 71.9 72.2 24/24 71.8 72.0 72.2 24/24 72.6 73.3 73.8 24/24 72.2 72.7 73.2 24/24 72.8 73.0 73.3 24/24 72.8 73.1 73.5 24/24 72.4 72.7 73.0 24/24 72.4 72.7 73.1 24/24 72.6 72.9 73.5 24/24 --- --- --- 0/0 70.3 70.6 70.8 24/24
08 05 71.5 71.8 72.1 24/24 71.6 71.9 72.1 24/24 72.4 73.6 74.2 24/24 72.6 72.9 73.2 24/24 72.4 72.7 72.9 24/24 72.6 72.8 73.2 24/24 72.5 72.7 73.0 24/24 72.5 72.7 73.1 24/24 72.5 72.7 72.9 24/24 --- --- --- 0/0 70.2 70.5 70.7 24/24
08 06 71.5 71.6 71.7 24/24 71.5 71.7 71.9 24/24 72.8 73.0 73.3 24/24 72.5 72.9 73.2 24/24 72.1 72.3 72.5 24/24 72.2 72.4 72.6 24/24 72.1 72.3 72.7 24/24 72.2 72.3 72.7 24/24 72.1 72.5 72.9 24/24 --- --- --- 0/0 69.9 70.1 70.3 24/24
08 07 71.7 71.8 71.9 24/24 71.5 71.8 72.2 24/24 73.0 73.1 73.3 24/24 73.2 73.2 73.3 24/24 71.9 72.4 73.0 24/24 72.0 72.3 72.6 24/24 72.0 72.3 72.4 24/24 72.1 72.3 72.5 24/24 71.9 72.3 72.9 24/24 --- --- --- 0/0 69.6 70.0 70.3 24/24
08 08 71.5 71.8 72.0 24/24 71.5 71.7 71.9 24/24 72.7 72.8 73.1 24/24 72.7 72.9 73.1 24/24 72.5 72.7 72.9 24/24 72.3 72.5 72.7 24/24 71.5 71.8 72.3 24/24 71.5 71.8 72.3 24/24 71.3 71.9 72.2 24/24 --- --- --- 0/0 69.4 69.8 70.1 24/24
08 09 71.1 71.3 71.5 24/24 71.2 71.4 71.7 24/24 72.5 72.7 73.1 24/24 72.6 72.8 73.0 24/24 71.8 72.1 72.4 24/24 72.1 72.3 72.6 24/24 71.3 71.5 71.8 24/24 71.3 71.5 71.8 24/24 71.0 71.7 72.9 24/24 --- --- --- 0/0 68.9 69.1 69.3 24/24
08 10 71.0 71.2 71.4 24/24 71.2 71.4 71.5 24/24 72.7 72.9 73.1 24/24 72.8 73.0 73.2 24/24 72.3 72.7 73.3 24/24 72.2 72.7 73.3 24/24 71.3 71.7 72.5 24/24 71.3 71.8 72.5 24/24 71.3 71.8 72.4 24/24 --- --- --- 0/0 68.9 69.2 69.4 24/24
08 11 71.0 71.1 71.5 24/24 71.3 71.4 71.6 24/24 72.8 73.1 73.6 24/24 73.0 73.1 73.4 24/24 72.9 73.2 73.6 24/24 72.9 73.3 73.8 24/24 72.4 72.8 73.3 24/24 72.4 72.8 73.3 24/24 72.1 72.8 73.7 24/24 --- --- --- 0/0 69.3 69.8 70.4 24/24
08 12 70.8 71.0 71.3 24/24 71.1 71.2 71.4 24/24 72.9 73.5 74.9 24/24 73.1 73.4 74.2 24/24 73.4 73.6 73.9 24/24 73.4 73.7 74.1 24/24 72.9 73.2 73.8 24/24 72.9 73.3 73.9 24/24 73.0 73.4 74.2 24/24 --- --- --- 0/0 70.3 70.4 70.5 24/24
08 13 70.8 71.4 71.9 24/24 71.2 71.4 71.7 24/24 73.1 73.8 74.6 24/24 73.2 73.4 73.9 24/24 73.4 73.5 73.8 24/24 73.3 73.6 73.9 24/24 73.6 73.8 74.2 24/24 73.7 73.9 74.3 24/24 73.7 74.0 74.5 24/24 --- --- --- 0/0 69.8 70.0 70.3 24/24
08 14 71.4 71.7 72.1 24/24 71.5 71.6 71.8 24/24 72.9 73.2 73.6 24/24 72.7 73.0 73.4 24/24 73.3 73.5 73.6 24/24 73.4 73.6 73.8 24/24 73.7 74.0 74.2 24/24 73.8 74.1 74.4 24/24 73.8 74.2 74.5 24/24 --- --- --- 0/0 69.9 70.1 70.5 24/24
08 15 71.4 71.6 71.9 24/24 71.7 71.8 72.0 24/24 72.7 73.0 73.3 24/24 72.8 72.8 72.9 24/24 73.0 73.3 73.5 24/24 73.2 73.4 73.6 24/24 73.6 73.9 74.1 24/24 73.7 74.0 74.2 24/24 73.8 74.1 75.1 24/24 --- --- --- 0/0 70.5 70.8 71.0 24/24
08 16 71.0 71.3 71.7 24/24 71.1 71.5 71.8 24/24 72.5 72.7 73.0 24/24 72.7 72.8 73.0 24/24 72.6 72.9 73.2 24/24 72.8 72.9 73.2 24/24 73.4 73.6 74.0 24/24 73.5 73.7 74.1 24/24 73.3 73.8 74.4 24/24 --- --- --- 0/0 71.0 71.1 71.3 24/24
08 17 71.0 71.2 71.3 24/24 70.9 71.1 71.4 24/24 72.4 72.6 72.8 24/24 72.5 72.7 72.9 24/24 71.6 72.1 72.7 24/24 71.8 72.2 72.8 24/24 71.8 72.5 73.5 24/24 71.8 72.6 73.6 24/24 71.8 72.6 73.4 24/24 --- --- --- 0/0 69.3 70.2 70.9 24/24
08 18 71.1 71.2 71.7 24/24 71.1 71.3 71.6 24/24 72.3 72.4 72.5 24/24 72.4 72.5 72.6 24/24 71.0 71.3 71.6 24/24 71.2 71.4 71.8 24/24 71.2 71.4 71.7 24/24 71.3 71.5 71.8 24/24 71.3 71.7 72.4 24/24 --- --- --- 0/0 68.7 69.0 69.3 24/24
08 19 71.4 71.6 72.4 24/24 71.5 71.6 71.8 24/24 72.3 72.4 72.5 24/24 72.3 72.5 72.5 24/24 71.6 71.9 72.2 24/24 71.5 71.8 72.2 24/24 70.7 70.9 71.4 24/24 70.8 71.0 71.5 24/24 70.6 71.1 71.6 24/24 --- --- --- 0/0 69.0 69.2 69.3 24/24
08 20 70.8 71.1 71.4 24/24 70.9 71.2 71.5 24/24 71.7 72.0 72.3 24/24 71.8 72.1 72.3 24/24 71.0 71.6 71.9 24/24 71.2 71.7 72.0 24/24 70.1 70.4 71.0 24/24 70.2 70.5 71.1 24/24 70.1 70.5 70.9 24/24 --- --- --- 0/0 68.7 69.1 69.2 24/24
08 21 69.9 70.3 70.8 24/24 70.0 70.5 70.9 24/24 71.4 71.5 71.7 24/24 71.4 71.6 71.8 24/24 70.5 70.9 71.1 24/24 70.7 70.9 71.2 24/24 69.8 70.0 70.3 24/24 69.9 70.0 70.4 24/24 69.7 69.9 70.1 24/24 --- --- --- 0/0 68.4 68.7 69.0 24/24
08 22 69.7 69.8 70.0 24/24 69.6 69.9 70.0 24/24 71.0 71.1 71.4 24/24 71.0 71.2 71.3 24/24 70.4 70.6 70.9 24/24 70.3 70.5 70.7 24/24 69.8 70.0 70.4 24/24 69.9 70.1 70.4 24/24 69.5 69.9 70.1 24/24 --- --- --- 0/0 68.7 69.0 69.3 24/24
08 23 69.1 69.3 69.7 24/24 69.2 69.4 69.6 24/24 70.5 70.7 70.9 24/24 70.7 70.8 71.0 24/24 69.8 70.1 70.4 24/24 70.0 70.2 70.4 24/24 69.3 69.5 69.8 24/24 69.3 69.6 69.9 24/24 69.2 69.5 70.2 24/24 --- --- --- 0/0 68.4 68.6 68.8 24/24
08 24 69.0 69.1 69.4 24/24 69.1 69.2 69.4 24/24 70.6 70.8 71.4 24/24 70.6 70.7 70.8 24/24 69.8 70.3 70.7 24/24 69.6 70.2 70.8 24/24 69.1 69.3 69.5 24/24 69.1 69.3 69.5 24/24 69.0 69.3 69.7 24/24 --- --- --- 0/0 68.2 68.3 68.5 24/24
08 25 69.0 69.2 69.8 24/24 69.1 69.2 69.4 24/24 70.3 70.6 71.2 24/24 70.3 70.5 70.7 24/24 70.3 70.5 70.9 24/24 70.3 70.6 70.9 24/24 69.4 69.7 70.1 24/24 69.5 69.8 70.2 24/24 69.0 69.5 70.0 24/24 --- --- --- 0/0 68.3 68.4 68.6 24/24
08 26 69.1 69.2 69.4 24/24 69.2 69.3 69.4 24/24 70.0 70.1 70.3 24/24 70.1 70.2 70.3 24/24 69.8 70.2 70.4 24/24 70.0 70.3 70.5 24/24 69.3 69.6 70.0 24/24 69.4 69.7 70.1 24/24 69.4 69.6 70.0 24/24 --- --- --- 0/0 68.6 68.7 69.0 24/24
08 27 69.1 69.2 69.2 24/24 69.2 69.3 69.6 24/24 69.8 69.9 70.1 24/24 69.9 70.0 70.2 24/24 69.5 69.7 70.0 24/24 69.6 69.7 70.0 24/24 69.6 69.7 69.9 24/24 69.6 69.8 69.9 24/24 69.4 69.7 70.1 24/24 --- --- --- 0/0 68.4 68.6 68.7 24/24
08 28 69.2 69.3 69.4 24/24 69.2 69.4 69.6 24/24 69.7 69.8 69.9 24/24 69.8 69.9 70.1 24/24 69.1 69.5 69.8 24/24 69.2 69.5 69.9 24/24 69.5 69.7 69.9 24/24 69.6 69.8 69.9 24/24 69.4 69.9 70.6 24/24 --- --- --- 0/0 67.9 68.1 68.5 8/24
08 29 69.3 69.5 70.2 24/24 69.4 69.6 69.7 24/24 69.7 69.9 70.0 24/24 69.7 69.9 70.0 24/24 69.6 69.9 70.3 24/24 69.4 69.9 70.3 24/24 69.4 69.7 69.9 24/24 69.5 69.7 70.0 24/24 69.5 69.9 70.5 24/24 --- --- --- 0/0 68.0 68.1 68.3 16/24
08 30 69.3 69.6 70.1 24/24 69.2 69.6 69.8 24/24 69.3 69.5 69.7 24/24 69.3 69.5 69.7 24/24 69.1 69.7 69.9 24/24 69.5 69.7 70.1 24/24 68.8 69.2 69.9 24/24 68.9 69.3 70.0 24/24 68.6 69.3 69.9 24/24 --- --- --- 0/0 68.3 68.5 68.8 24/24
08 31 69.0 69.1 69.3 24/24 69.0 69.2 69.3 24/24 68.9 69.1 69.3 24/24 69.0 69.1 69.3 24/24 68.1 68.6 69.1 24/24 68.4 68.8 69.4 24/24 68.3 68.4 68.8 24/24 68.3 68.5 68.8 24/24 67.6 68.3 68.7 19/24 --- --- --- 0/0 67.7 68.1 68.4 13/24
>68.05 31 31 31 744/
744
31 31 31 744/
744
31 31 31 744/
744
31 31 31 744/
744
31 31 31 744/
744
31 31 31 744/
744
31 31 31 744/
744
31 31 31 744/
744
30 31 31 739/
744
0 0 0 0/
0
28 31 31 709/
744

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.