Lower Columbia River Temperature Report for August 2018  
Generated Sat Sep 1 06:18:12 2018

  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
Aug 1 70.7 71.0 71.3 24/24 70.8 71.0 71.3 24/24 72.2 72.3 72.4 24/24 72.2 72.3 72.4 24/24 72.0 72.4 72.6 24/24 72.2 72.5 72.8 24/24 72.1 72.4 72.7 24/24 72.2 72.5 72.7 24/24 71.8 72.3 72.8 24/24 72.0 72.7 73.3 24/24 68.6 68.9 69.2 24/24
Aug 2 70.4 70.7 71.1 24/24 70.5 70.7 70.9 24/24 72.0 72.1 72.2 24/24 72.2 72.2 72.3 24/24 71.7 72.0 72.4 24/24 71.8 72.0 72.3 24/24 71.9 72.1 72.6 24/24 72.0 72.2 72.7 24/24 71.9 72.0 72.4 24/24 71.9 72.2 73.0 24/24 68.6 69.0 69.4 24/24
Aug 3 70.3 70.6 70.9 24/24 70.3 70.6 70.8 24/24 71.8 71.9 72.0 24/24 71.9 72.0 72.1 24/24 71.3 71.6 71.9 24/24 71.5 71.7 71.9 24/24 71.4 71.6 72.1 24/24 71.4 71.7 72.2 24/24 71.2 71.6 71.9 24/24 71.1 71.7 72.4 24/24 68.0 68.5 69.0 21/24
Aug 4 70.2 70.3 70.4 24/24 70.2 70.5 70.8 24/24 71.7 71.9 72.1 24/24 71.8 72.0 72.3 24/24 71.0 71.3 71.7 24/24 71.1 71.4 71.7 24/24 71.1 71.3 71.5 24/24 71.2 71.4 71.5 24/24 70.8 71.3 71.7 24/24 71.1 71.9 72.6 24/24 68.1 68.6 68.9 24/24
Aug 5 70.2 70.4 71.0 24/24 70.3 70.6 70.8 24/24 71.9 72.0 72.2 24/24 72.0 72.2 72.3 24/24 71.5 72.0 72.4 24/24 71.5 72.0 72.6 24/24 71.2 71.5 72.0 24/24 71.2 71.6 72.1 24/24 71.1 71.5 72.1 24/24 71.4 72.1 72.8 24/24 68.0 68.4 68.7 23/24
Aug 6 70.4 70.6 71.0 24/24 70.5 70.8 71.2 24/24 72.1 72.3 72.5 24/24 72.2 72.4 72.8 24/24 72.0 72.4 72.8 24/24 72.1 72.5 72.9 24/24 71.6 71.9 72.2 24/24 71.6 71.9 72.3 24/24 71.6 71.9 72.4 24/24 71.6 72.4 73.3 24/24 68.5 68.8 69.2 24/24
Aug 7 70.5 70.9 71.3 24/24 70.8 70.9 71.1 24/24 72.4 72.9 73.7 24/24 72.5 72.7 73.0 24/24 72.3 72.6 72.8 24/24 72.3 72.7 73.1 24/24 71.9 72.3 73.0 24/24 71.9 72.4 73.1 24/24 71.6 72.2 73.0 24/24 71.9 72.8 73.5 24/24 69.0 69.3 69.9 24/24
Aug 8 70.6 71.1 72.4 24/24 70.7 70.9 71.1 24/24 72.4 73.0 73.8 24/24 72.5 72.7 73.0 24/24 72.6 72.8 73.3 24/24 72.6 72.9 73.4 24/24 72.6 73.0 73.4 24/24 72.7 73.0 73.5 24/24 72.6 73.0 73.6 24/24 72.6 73.3 74.1 24/24 69.5 69.8 70.2 24/24
Aug 9 70.7 71.1 71.4 24/24 70.7 71.0 71.3 24/24 72.4 72.9 73.5 24/24 72.3 72.5 72.7 24/24 72.7 72.8 73.1 24/24 72.7 73.0 73.3 24/24 73.0 73.3 73.6 24/24 73.0 73.3 73.7 24/24 73.1 73.3 73.6 24/24 73.1 73.8 74.4 24/24 69.8 70.0 70.3 24/24
Aug 10 71.3 71.6 72.3 24/24 71.2 71.4 71.6 24/24 72.1 72.7 73.1 24/24 72.2 72.4 72.6 24/24 72.4 72.7 72.8 24/24 72.6 72.8 73.1 24/24 73.0 73.3 73.6 24/24 73.0 73.3 73.7 24/24 73.1 73.4 73.7 24/24 73.3 74.1 74.7 24/24 70.1 70.4 70.9 24/24
Aug 11 71.2 71.4 71.6 24/24 71.2 71.3 71.5 24/24 72.2 72.4 72.7 24/24 72.0 72.3 72.6 24/24 71.6 72.1 72.4 24/24 71.9 72.3 72.5 24/24 72.6 72.8 73.4 24/24 72.7 72.8 73.4 24/24 72.7 72.9 73.3 24/24 72.8 73.2 74.3 24/24 70.2 70.4 70.7 24/24
Aug 12 71.3 71.5 71.6 24/24 71.2 71.4 71.8 24/24 72.3 72.4 72.7 24/24 72.3 72.4 72.5 24/24 71.4 71.7 72.1 24/24 71.5 71.8 72.1 24/24 72.0 72.3 72.6 24/24 72.1 72.3 72.6 24/24 72.2 72.4 72.7 24/24 72.1 72.7 73.2 24/24 69.6 70.0 70.3 24/24
Aug 13 71.2 71.4 71.6 24/24 71.2 71.5 71.8 24/24 72.6 72.9 73.7 24/24 72.4 72.6 72.9 24/24 71.8 72.2 72.6 24/24 71.8 72.2 72.6 24/24 71.6 71.9 72.4 24/24 71.7 72.0 72.4 24/24 71.8 72.1 72.7 24/24 71.9 72.5 73.1 24/24 69.4 69.6 70.0 24/24
Aug 14 71.0 71.3 71.9 24/24 71.1 71.2 71.4 24/24 72.6 72.9 73.7 24/24 72.6 72.7 72.9 24/24 72.0 72.4 72.7 24/24 72.2 72.5 72.8 24/24 71.4 71.7 72.0 24/24 71.5 71.7 72.1 24/24 71.6 71.8 72.1 24/24 71.5 72.2 72.8 24/24 68.6 68.9 69.4 24/24
Aug 15 71.1 71.4 71.8 24/24 71.1 71.3 71.4 24/24 72.5 72.7 72.9 24/24 72.4 72.6 72.7 23/23 72.4 72.5 72.8 24/24 72.4 72.6 72.9 24/24 71.5 71.9 72.5 24/24 71.5 72.0 72.6 24/24 71.4 71.9 72.4 24/24 71.5 72.1 72.7 24/24 68.4 68.7 68.9 23/23
Aug 16 70.9 71.2 71.5 24/24 71.2 71.4 71.5 24/24 72.2 72.4 72.6 24/24 72.1 72.3 72.5 24/24 72.3 72.5 72.8 24/24 72.4 72.6 72.9 24/24 72.1 72.2 72.5 24/24 72.2 72.3 72.6 24/24 71.9 72.2 72.6 24/24 71.5 72.1 72.7 24/24 68.8 69.0 69.5 24/24
Aug 17 70.5 70.7 70.9 24/24 70.7 70.9 71.2 24/24 71.9 72.0 72.2 24/24 71.9 72.0 72.1 24/24 71.6 72.0 72.3 24/24 71.9 72.1 72.4 24/24 71.3 71.6 72.2 24/24 71.3 71.6 72.2 24/24 71.2 71.6 72.0 24/24 71.2 71.9 72.4 24/24 69.0 69.3 69.5 24/24
Aug 18 70.4 70.5 70.7 24/24 70.5 70.8 71.1 24/24 71.8 72.0 72.3 24/24 71.9 72.0 72.1 24/24 71.0 71.3 71.7 24/24 71.3 71.5 71.8 24/24 70.9 71.2 71.4 24/24 71.0 71.2 71.4 24/24 70.6 71.2 71.7 24/24 70.8 71.5 72.1 24/24 68.7 69.2 69.7 24/24
Aug 19 70.1 70.4 70.7 24/24 70.2 70.6 70.9 24/24 71.9 72.1 72.8 24/24 71.9 72.0 72.2 24/24 71.3 71.8 72.4 24/24 71.3 71.7 72.3 24/24 71.0 71.3 71.5 24/24 71.1 71.3 71.6 24/24 71.0 71.3 71.8 24/24 71.0 71.7 72.2 24/24 68.5 68.9 69.6 24/24
Aug 20 70.2 70.4 71.1 24/24 70.2 70.4 70.5 24/24 72.2 72.5 73.0 24/24 72.1 72.3 72.6 24/24 71.9 72.1 72.4 24/24 72.1 72.2 72.3 24/24 71.3 71.5 71.7 24/24 71.3 71.6 71.8 24/24 71.2 71.5 71.8 24/24 71.2 71.7 72.1 24/24 67.9 68.2 68.4 17/24
Aug 21 70.1 70.4 71.1 24/24 70.0 70.3 70.6 24/24 72.6 72.8 73.2 24/24 72.4 72.5 72.7 24/24 71.7 72.0 72.4 24/24 71.9 72.2 72.5 24/24 71.0 71.3 71.7 24/24 71.1 71.3 71.7 24/24 71.0 71.4 71.7 24/24 71.2 71.7 72.1 24/24 67.7 68.1 68.5 14/24
Aug 22 69.9 70.4 71.0 24/24 70.2 70.4 70.6 24/24 72.3 72.5 73.0 24/24 72.2 72.3 72.5 24/24 72.0 72.3 72.6 24/24 71.9 72.3 72.8 24/24 71.4 71.7 72.2 24/24 71.4 71.8 72.2 24/24 71.1 71.7 72.2 24/24 70.5 71.4 72.3 24/24 68.3 68.6 69.0 24/24
Aug 23 69.0 69.4 70.1 24/24 69.1 69.6 70.1 24/24 71.9 72.0 72.3 24/24 71.8 72.0 72.1 24/24 71.3 72.0 72.3 24/24 71.7 72.1 72.3 24/24 71.4 71.6 72.1 24/24 71.5 71.7 72.2 24/24 71.2 71.5 72.0 24/24 71.0 71.4 72.1 24/24 68.5 68.8 69.0 24/24
Aug 24 69.0 69.0 69.1 24/24 68.8 69.0 69.3 24/24 71.2 71.5 71.9 24/24 71.1 71.4 71.7 24/24 70.4 70.9 71.3 24/24 70.6 71.0 71.6 24/24 70.4 70.7 71.6 24/24 70.4 70.7 71.6 24/24 70.3 70.7 71.3 24/24 70.1 70.6 71.4 24/24 67.5 67.8 68.4 3/24
Aug 25 68.9 69.1 69.3 24/24 69.0 69.1 69.3 24/24 70.7 70.9 71.2 24/24 70.7 70.9 71.0 24/24 69.7 70.0 70.3 24/24 69.8 70.1 70.6 24/24 69.7 70.0 70.4 24/24 69.8 70.0 70.4 24/24 69.7 70.0 70.3 24/24 69.3 69.9 70.6 24/24 66.7 67.1 67.5 0/24
Aug 26 68.3 68.7 69.1 24/24 68.3 68.7 69.0 24/24 70.1 70.4 70.7 24/24 70.1 70.4 70.6 24/24 69.5 69.7 69.8 24/24 69.6 69.7 69.9 24/24 69.1 69.3 69.8 24/24 69.1 69.4 69.8 24/24 68.9 69.3 69.7 24/24 69.1 69.4 70.2 24/24 66.2 66.3 66.5 0/24
Aug 27 67.8 68.1 68.3 13/24 67.9 68.1 68.3 20/24 69.9 70.1 70.8 24/24 69.9 70.0 70.1 24/24 69.4 69.6 69.9 24/24 69.4 69.7 70.0 24/24 68.7 68.9 69.2 24/24 68.7 69.0 69.2 24/24 68.5 69.0 69.3 24/24 68.4 69.1 69.9 24/24 65.7 66.1 66.5 0/24
Aug 28 67.6 67.8 68.2 4/24 67.7 67.8 68.0 0/24 69.8 70.1 70.6 24/24 69.8 69.9 70.1 24/24 69.6 69.9 70.3 24/24 69.5 69.9 70.3 24/24 68.8 69.1 69.5 24/24 68.8 69.1 69.5 24/24 68.8 69.1 69.6 24/24 68.7 69.3 69.9 24/24 66.0 66.4 66.8 0/24
Aug 29 67.3 67.4 67.7 0/24 67.3 67.5 67.7 0/24 69.3 69.6 70.1 24/24 69.4 69.6 70.0 24/24 69.5 69.8 70.1 24/24 69.6 69.9 70.2 24/24 69.3 69.6 69.9 24/24 69.3 69.6 70.0 24/24 69.2 69.6 70.2 24/24 68.8 69.6 70.4 24/24 66.4 66.8 67.2 0/24
Aug 30 67.3 67.5 67.7 0/24 67.3 67.5 67.7 0/24 68.9 69.1 69.3 24/24 69.0 69.2 69.4 24/24 68.9 69.3 69.5 24/24 69.2 69.5 69.7 24/24 69.3 69.5 69.9 24/24 69.3 69.5 69.9 23/23 69.2 69.5 69.8 24/24 69.1 69.5 70.0 24/24 66.9 67.3 67.7 0/24
Aug 31 67.3 67.5 67.6 0/24 67.2 67.5 67.9 0/24 68.5 68.6 68.8 24/24 68.5 68.7 69.0 24/24 68.4 68.8 69.1 24/24 68.7 68.9 69.2 24/24 69.0 69.2 69.5 17/17 69.1 69.2 69.6 24/24 68.7 69.3 69.5 24/24 68.9 69.5 70.1 24/24 66.9 67.3 67.7 0/24
>68.05 26 27 28 641/
744
26 27 27 644/
744
31 31 31 744/
744
31 31 31 743/
743
31 31 31 744/
744
31 31 31 744/
744
31 31 31 737/
737
31 31 31 743/
743
31 31 31 744/
744
31 31 31 744/
744
19 23 24 533/
743

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 >86

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

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