Lower Columbia River Temperature Report for July 2020  
Generated Sat Aug 1 06:18:14 2020

  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
Jul 1 61.4 61.6 61.8 0/24 61.5 61.7 61.8 0/24 62.9 62.9 63.2 0/24 62.9 63.0 63.2 0/24 63.0 63.2 63.5 0/24 63.1 63.3 63.6 0/24 63.1 63.4 63.6 0/24 63.2 63.5 63.7 0/24 63.2 63.4 63.6 0/24 63.3 63.5 63.7 0/24 59.8 60.4 61.0 0/24
Jul 2 61.2 61.4 61.7 0/24 61.4 61.6 61.8 0/24 62.7 62.8 62.9 0/24 62.8 62.8 62.9 0/24 62.7 63.0 63.3 0/24 62.9 63.1 63.2 0/24 63.0 63.1 63.2 0/24 63.1 63.2 63.3 0/24 63.1 63.2 63.3 0/24 63.0 63.4 64.1 0/24 59.3 60.2 61.2 0/24
Jul 3 61.2 61.4 61.9 0/24 61.6 61.7 61.8 0/24 62.3 62.5 62.7 0/24 62.4 62.6 62.8 0/24 62.9 63.1 63.3 0/24 63.0 63.1 63.3 0/24 63.0 63.2 63.3 0/24 63.1 63.3 63.4 0/24 63.1 63.3 63.6 0/24 62.9 63.6 64.5 0/24 60.0 60.7 61.2 0/24
Jul 4 61.7 62.0 62.5 0/24 61.7 62.2 62.5 0/24 62.2 62.3 62.5 0/24 62.3 62.4 62.5 0/24 62.7 62.9 63.2 0/24 62.7 62.9 63.2 0/24 63.3 63.4 63.5 0/24 63.4 63.5 63.6 0/24 63.3 63.5 63.8 0/24 63.2 63.8 64.7 0/24 59.8 60.5 61.1 0/24
Jul 5 62.0 62.2 62.5 0/24 62.4 62.5 62.7 0/24 62.3 62.4 62.7 0/24 62.4 62.6 62.8 0/24 62.6 62.9 63.1 0/24 62.8 62.9 63.0 0/24 63.2 63.3 63.4 0/23 63.3 63.4 63.5 0/24 63.3 63.6 64.0 0/24 63.4 64.1 65.0 0/24 60.1 60.8 61.7 0/24
Jul 6 62.1 62.4 62.7 0/24 62.4 62.6 62.8 0/24 62.6 62.8 63.0 0/24 62.8 62.9 63.1 0/24 63.0 63.1 63.3 0/24 63.0 63.1 63.3 0/24 63.1 63.3 63.6 0/20 63.2 63.3 63.7 0/24 63.0 63.3 63.6 0/24 63.4 63.8 64.4 0/24 60.7 61.4 62.3 0/24
Jul 7 62.5 62.6 62.8 0/24 62.5 62.7 63.0 0/24 62.7 62.9 63.1 0/24 62.9 63.0 63.2 0/24 63.0 63.2 63.3 0/24 63.2 63.2 63.3 0/24 62.9 63.2 63.5 0/23 63.0 63.2 63.6 0/24 63.0 63.2 63.5 0/24 63.1 63.3 63.5 0/24 61.2 61.8 62.3 0/24
Jul 8 62.8 63.0 63.5 0/24 62.8 63.1 63.6 0/24 62.9 63.1 63.3 0/24 63.0 63.2 63.4 0/24 63.2 63.4 63.6 0/24 63.2 63.4 63.5 0/24 62.9 63.3 63.9 0/24 63.0 63.4 64.0 0/24 62.9 63.4 64.0 0/24 63.1 63.8 64.9 0/24 61.5 61.9 62.5 0/24
Jul 9 63.3 63.7 64.4 0/24 63.5 63.7 63.9 0/24 63.2 63.5 63.7 0/24 63.3 63.6 63.8 0/24 63.6 63.7 63.8 0/24 63.5 63.7 63.8 0/24 63.4 63.7 64.0 0/24 63.5 63.8 64.1 0/24 63.5 63.8 64.1 0/24 63.6 64.1 64.8 0/24 61.9 62.3 62.6 0/24
Jul 10 63.6 64.1 64.3 0/24 63.6 64.2 64.5 0/24 63.7 63.8 64.0 0/24 63.8 64.0 64.1 0/24 63.8 64.1 64.6 0/24 63.7 64.1 64.5 0/24 63.5 63.9 64.5 0/23 63.6 64.1 64.6 0/24 63.6 64.1 64.7 0/24 63.8 64.6 65.7 0/24 62.0 62.6 63.4 0/24
Jul 11 63.9 64.2 64.9 0/24 64.1 64.3 64.5 0/24 63.9 64.0 64.2 0/24 64.0 64.1 64.2 0/24 64.4 64.6 64.6 0/24 64.5 64.6 64.7 0/24 64.1 64.5 64.9 0/23 64.2 64.6 65.0 0/24 64.1 64.6 65.2 0/24 64.3 65.0 65.9 0/24 62.8 63.2 63.6 0/24
Jul 12 64.1 64.4 64.5 0/24 64.1 64.4 64.8 0/24 64.0 64.2 64.5 0/24 64.1 64.3 64.6 0/24 64.4 64.5 64.7 0/24 64.5 64.6 64.7 0/24 64.5 64.9 65.2 0/24 64.6 64.9 65.3 0/24 64.6 65.0 65.6 0/24 64.9 65.4 66.3 0/24 62.9 63.2 63.5 0/24
Jul 13 64.4 64.6 65.0 0/24 64.5 64.8 65.2 0/24 64.4 64.7 65.4 0/24 64.5 64.9 65.4 0/24 64.6 64.8 65.2 0/24 64.5 64.8 65.1 0/24 64.6 64.9 65.4 0/22 64.7 65.1 65.5 0/24 64.7 65.2 65.8 0/24 64.8 65.7 66.8 0/24 62.7 63.1 63.6 0/24
Jul 14 64.4 64.7 65.3 0/24 64.5 64.8 65.0 0/24 65.3 65.7 66.1 0/24 65.4 65.7 66.2 0/24 65.2 65.5 66.0 0/24 65.1 65.5 65.8 0/24 64.8 65.2 65.6 0/23 64.8 65.2 65.7 0/24 64.9 65.4 65.9 0/24 65.0 65.9 66.9 0/24 63.0 63.5 64.1 0/24
Jul 15 64.3 64.6 65.1 0/24 64.7 64.8 65.0 0/24 65.9 66.1 66.3 0/24 66.0 66.1 66.2 0/24 66.0 66.2 66.5 0/24 65.9 66.2 66.5 0/24 65.3 65.7 66.3 0/24 65.4 65.8 66.4 0/24 65.3 65.9 66.6 0/24 65.3 66.3 67.4 0/24 63.4 63.9 64.5 0/24
Jul 16 64.6 64.9 65.4 0/24 64.9 65.0 65.2 0/24 66.0 66.2 66.5 0/24 66.0 66.2 66.3 0/24 66.6 66.7 66.9 0/24 66.5 66.7 67.0 0/24 66.0 66.5 67.2 0/24 66.1 66.5 67.2 0/24 66.0 66.6 67.2 0/24 66.1 67.0 68.2 1/24 64.1 64.6 65.3 0/24
Jul 17 64.9 65.2 65.6 0/24 64.9 65.3 65.5 0/24 66.1 66.3 66.5 0/24 66.2 66.4 66.6 0/24 66.5 66.8 67.0 0/24 66.5 66.8 66.9 0/24 66.7 67.0 67.3 0/24 66.8 67.0 67.4 0/24 66.8 67.1 67.4 0/24 66.7 67.2 67.8 0/24 64.5 65.0 65.6 0/24
Jul 18 65.3 65.7 66.1 0/24 65.3 65.9 66.4 0/24 66.3 66.7 67.1 0/24 66.5 66.8 67.1 0/24 66.4 66.6 67.0 0/24 66.4 66.7 66.9 0/24 66.6 67.0 67.4 0/24 66.7 67.0 67.4 0/24 66.8 67.2 67.5 0/24 66.6 67.5 68.9 9/24 64.7 65.1 65.5 0/24
Jul 19 65.8 66.2 67.2 0/24 66.1 66.4 66.6 0/24 67.1 67.3 67.7 0/24 67.1 67.2 67.4 0/24 67.0 67.4 67.8 0/24 66.9 67.4 67.9 0/24 66.9 67.2 67.7 0/24 67.0 67.3 67.8 0/24 67.0 67.4 67.9 0/24 67.0 68.1 69.2 11/24 65.2 65.4 66.0 0/24
Jul 20 66.1 66.9 68.3 1/24 66.4 67.0 67.6 0/24 67.3 67.8 69.2 6/24 67.2 67.7 69.1 6/24 67.7 68.0 68.2 7/24 67.6 68.0 68.4 13/24 67.4 67.8 68.3 7/24 67.4 67.8 68.4 8/24 67.4 67.9 68.4 10/24 67.7 68.7 69.7 17/24 65.7 66.0 66.4 0/24
Jul 21 67.4 67.6 68.0 0/24 67.2 67.6 67.9 0/24 67.5 68.1 68.7 10/24 67.5 67.9 68.8 6/24 68.1 68.2 68.2 7/7 68.0 68.3 68.6 22/24 68.3 68.6 69.0 24/24 68.4 68.7 69.0 24/24 68.3 68.7 69.2 24/24 68.1 69.1 70.2 24/24 65.9 66.3 66.6 0/24
Jul 22 67.5 67.8 67.9 0/24 67.5 67.9 68.1 5/24 67.6 67.8 68.1 2/24 67.5 67.7 67.9 0/24 68.0 68.2 68.4 17/19 67.9 68.4 68.6 21/24 68.5 68.8 69.1 24/24 68.6 68.8 69.2 24/24 68.7 68.9 69.3 24/24 68.8 69.4 70.1 24/24 66.3 66.6 67.0 0/24
Jul 23 67.6 68.0 68.2 10/24 67.7 68.0 68.3 12/24 67.6 67.8 68.0 0/24 67.6 67.8 68.1 2/24 67.7 67.9 68.0 0/24 67.7 68.0 68.1 7/24 68.4 68.6 68.8 24/24 68.4 68.7 68.9 24/24 68.4 68.8 69.1 24/24 68.5 69.0 69.7 24/24 66.4 66.7 67.1 0/24
Jul 24 67.7 67.9 68.1 2/24 67.7 68.0 68.2 8/24 67.9 68.1 68.3 13/24 68.0 68.2 68.3 17/24 67.6 67.7 67.8 0/24 67.6 67.7 67.9 0/24 67.6 67.9 68.5 7/23 67.7 67.9 68.6 7/24 67.6 68.0 68.6 9/24 68.1 68.4 69.1 24/24 66.2 66.4 66.8 0/24
Jul 25 67.9 68.0 68.2 4/24 67.9 68.1 68.5 13/24 68.1 68.4 69.1 24/24 68.3 68.6 69.1 24/24 67.5 67.9 68.4 9/24 67.5 67.9 68.3 11/24 67.2 67.4 67.8 0/24 67.2 67.5 67.8 0/24 67.2 67.6 68.0 0/24 67.0 67.9 69.2 10/24 65.9 66.2 66.5 0/24
Jul 26 67.8 68.1 69.8 8/24 68.0 68.2 68.4 19/24 68.7 69.4 70.7 24/24 68.8 69.1 69.6 24/24 68.4 68.9 69.1 24/24 68.3 68.9 69.4 24/24 67.5 67.9 68.3 8/24 67.6 67.9 68.4 9/24 67.3 67.9 68.4 10/24 67.4 68.4 69.4 14/24 66.0 66.2 66.4 0/24
Jul 27 68.0 68.4 68.8 23/24 68.0 68.4 69.0 21/24 69.3 69.5 69.8 24/24 69.1 69.4 69.8 24/24 69.1 69.4 69.5 24/24 69.0 69.4 69.8 24/24 68.3 68.7 69.3 24/24 68.3 68.7 69.4 24/24 68.2 68.7 69.2 24/24 67.8 69.0 70.4 20/24 66.3 66.7 67.1 0/24
Jul 28 68.3 68.5 69.1 24/24 68.6 68.7 68.7 24/24 69.0 69.3 69.7 24/24 69.1 69.2 69.4 24/24 69.6 69.8 70.0 24/24 69.6 69.8 70.1 24/24 69.3 69.6 70.0 24/24 69.4 69.7 70.1 24/24 69.1 69.7 70.3 24/24 68.8 69.9 71.0 24/24 67.0 67.2 67.5 0/24
Jul 29 68.5 68.7 69.0 24/24 68.5 69.0 69.5 24/24 69.3 69.7 70.1 24/24 69.2 69.6 70.2 24/24 69.5 69.6 69.7 24/24 69.6 69.8 70.0 24/24 69.8 70.0 70.3 23/23 69.8 70.1 70.4 24/24 69.7 70.2 70.8 24/24 69.6 70.6 71.7 24/24 67.1 67.4 67.7 0/24
Jul 30 69.0 69.5 70.8 24/24 69.0 69.4 70.0 24/24 69.8 70.2 70.6 24/24 69.7 70.1 70.8 24/24 69.8 70.1 70.4 24/24 69.7 70.2 70.5 24/24 70.1 70.3 70.7 22/22 70.2 70.4 70.8 24/24 70.1 70.5 70.9 24/24 70.1 71.1 72.1 24/24 67.4 67.6 67.9 0/24
Jul 31 69.2 69.3 69.7 24/24 69.4 69.6 69.7 24/24 70.1 70.4 70.7 24/24 70.1 70.3 70.5 24/24 70.4 70.6 70.7 24/24 70.3 70.6 70.9 24/24 70.1 70.3 70.5 22/22 70.1 70.4 70.6 24/24 70.2 70.5 70.7 24/24 70.5 71.3 72.1 24/24 67.7 68.0 68.3 9/24
>68.05 4 6 10 144/
744
4 7 10 174/
744
7 9 11 199/
744
7 8 11 199/
744
7 8 10 184/
722
6 8 11 218/
744
8 8 11 209/
727
8 8 11 216/
744
8 8 11 221/
744
8 12 15 274/
744
0 0 1 9/
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 >86

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

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