Lower Columbia River Temperature Report for July 2018  
Generated Wed Aug 1 06:18:11 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
Jul 1 64.3 64.6 64.8 0/24 64.4 64.6 64.9 0/24 65.9 66.1 66.2 0/24 66.0 66.1 66.2 0/24 65.9 66.1 66.2 0/24 66.1 66.2 66.4 0/24 65.9 66.2 66.5 0/24 --- --- --- 0/0 65.8 66.2 66.6 0/24 66.2 66.7 67.4 0/24 61.8 62.5 63.2 0/24
Jul 2 64.1 64.4 64.6 0/24 64.2 64.4 64.6 0/24 65.7 65.8 66.1 0/24 65.8 65.8 66.1 0/24 65.4 65.8 66.0 0/24 65.6 66.0 66.2 0/24 65.5 65.7 66.2 0/24 --- --- --- 0/0 65.5 65.7 66.2 0/24 65.8 66.1 66.6 0/24 61.9 62.5 62.9 0/24
Jul 3 64.1 64.3 64.5 0/24 64.2 64.4 64.6 0/24 65.6 65.8 66.5 0/24 65.6 65.8 66.2 0/24 65.2 65.4 65.8 0/24 65.4 65.6 65.9 0/24 65.2 65.6 66.0 0/24 --- --- --- 0/0 65.3 65.7 66.3 0/24 64.8 66.0 67.4 0/24 61.5 61.8 62.0 0/24
Jul 4 64.0 64.5 65.4 0/24 64.3 64.5 64.7 0/24 66.4 66.7 66.9 0/24 66.1 66.4 66.6 0/24 65.8 66.0 66.2 0/24 65.8 66.2 66.5 0/24 65.6 65.7 65.9 0/24 --- --- --- 0/0 65.4 65.7 65.9 0/24 65.1 65.8 66.6 0/24 61.2 61.6 61.8 0/24
Jul 5 63.8 64.1 64.3 0/24 63.9 64.2 64.5 0/24 66.1 66.4 66.7 0/24 66.1 66.2 66.4 0/24 65.9 66.4 66.9 0/24 66.1 66.5 67.1 0/24 65.8 66.1 66.6 0/24 --- --- --- 0/0 65.5 66.1 66.9 0/24 65.4 66.4 67.6 0/24 61.6 62.3 63.0 0/24
Jul 6 64.2 64.6 65.0 0/24 64.3 64.7 65.3 0/24 66.0 66.1 66.5 0/24 66.0 66.1 66.3 0/24 66.5 66.8 66.9 0/24 66.7 67.0 67.3 0/24 66.3 66.8 67.5 0/24 --- --- --- 0/0 66.3 66.9 67.6 0/24 66.7 67.5 68.5 7/24 62.9 63.4 63.9 0/24
Jul 7 64.0 64.4 65.0 0/24 64.1 64.5 65.0 0/24 66.0 66.1 66.3 0/24 66.1 66.2 66.3 0/24 66.3 66.5 66.8 0/24 66.5 66.7 67.1 0/24 66.7 67.1 67.6 0/24 --- --- --- 0/0 66.6 67.2 67.7 0/24 66.9 67.8 68.6 10/24 63.1 63.7 64.3 0/24
Jul 8 64.9 65.5 66.5 0/24 65.0 65.6 66.2 0/24 66.1 66.4 67.5 0/24 66.1 66.4 67.1 0/24 66.3 66.5 66.8 0/24 66.4 66.8 67.2 0/24 67.2 67.5 67.8 0/24 --- --- --- 0/0 67.0 67.6 68.3 2/24 67.2 68.2 69.1 13/24 63.6 63.9 64.4 0/24
Jul 9 66.1 66.3 66.6 0/24 65.9 66.1 66.5 0/24 66.4 66.6 66.9 0/24 66.4 66.6 66.7 0/24 66.5 66.9 67.2 0/24 66.6 67.0 67.6 0/24 67.1 67.3 67.5 0/24 --- --- --- 0/0 67.1 67.3 67.6 0/24 67.3 67.8 68.9 6/24 64.1 64.4 64.9 0/24
Jul 10 65.8 66.1 66.6 0/24 65.8 66.2 66.6 0/24 66.4 66.7 67.1 0/24 66.5 66.8 67.1 0/24 66.6 66.8 67.1 0/24 66.7 66.9 67.3 0/24 66.7 67.0 67.3 0/24 --- --- --- 0/0 66.8 67.1 67.5 0/24 66.8 67.5 68.3 8/24 64.3 64.8 65.3 0/24
Jul 11 66.4 66.8 67.3 0/24 66.5 66.9 67.4 0/24 66.9 67.1 67.4 0/24 66.9 67.2 67.6 0/24 66.6 67.0 67.4 0/24 66.7 67.2 67.7 0/24 66.8 67.3 67.8 0/24 67.5 67.7 67.9 0/10 66.8 67.4 68.0 0/24 66.9 67.9 69.1 11/24 64.6 64.9 65.4 0/24
Jul 12 66.9 67.2 67.8 0/24 67.2 67.3 67.5 0/24 67.3 67.7 68.3 4/24 67.4 67.8 68.4 6/24 67.4 67.7 67.9 0/24 67.5 67.9 68.2 7/24 67.6 67.8 68.2 6/24 67.6 67.9 68.3 7/24 67.5 67.9 68.8 11/24 67.6 68.6 69.8 15/24 64.9 65.2 65.8 0/24
Jul 13 67.0 67.4 67.8 0/24 67.3 67.5 67.7 0/24 67.6 67.9 68.3 5/24 67.5 67.8 68.3 2/24 67.9 68.2 68.4 20/24 67.9 68.3 68.6 18/24 68.1 68.4 68.8 24/24 68.2 68.5 68.9 24/24 67.9 68.4 68.9 19/24 68.2 69.0 70.0 24/24 65.6 65.9 66.4 0/24
Jul 14 67.2 67.7 68.4 3/24 67.3 67.8 68.4 8/24 67.4 68.1 68.6 15/24 67.4 68.1 69.3 13/24 67.9 68.1 68.2 15/24 68.1 68.3 68.7 24/24 68.3 68.6 69.1 23/23 68.4 68.7 69.2 24/24 68.2 68.7 69.1 24/24 68.5 69.4 70.5 24/24 65.7 66.0 66.4 0/24
Jul 15 67.8 68.6 69.6 20/24 68.0 68.4 68.8 22/24 68.5 69.2 69.7 24/24 68.9 69.3 70.1 24/24 68.0 68.5 68.9 22/24 68.0 68.6 69.2 20/24 68.8 69.1 69.5 24/24 68.9 69.2 69.6 24/24 68.7 69.2 69.7 24/24 68.9 69.8 70.9 24/24 65.9 66.2 66.7 0/24
Jul 16 68.4 68.8 69.4 24/24 68.4 68.7 69.2 24/24 69.4 69.8 70.2 24/24 69.3 69.5 70.0 24/24 68.9 69.4 69.7 24/24 69.1 69.4 69.9 24/24 69.2 69.4 69.6 24/24 69.3 69.5 69.7 24/24 69.2 69.6 70.0 24/24 69.5 70.4 71.4 24/24 66.5 66.8 67.2 0/24
Jul 17 68.4 68.7 69.2 24/24 68.5 68.8 69.0 24/24 69.2 69.6 69.9 24/24 69.1 69.3 69.5 24/24 69.5 69.7 70.0 24/24 69.5 69.7 70.1 24/24 69.3 69.6 70.1 24/24 69.4 69.7 70.2 24/24 69.1 69.6 70.2 24/24 69.7 70.5 71.4 24/24 66.8 67.1 67.6 0/24
Jul 18 68.5 68.9 69.2 24/24 68.5 68.9 69.3 24/24 69.3 69.5 69.7 24/24 69.4 69.6 69.9 24/24 69.5 69.6 69.7 24/24 69.4 69.6 69.8 24/24 69.6 69.8 70.0 24/24 69.6 69.9 70.1 24/24 69.5 69.9 70.3 24/24 69.7 70.4 71.2 24/24 66.9 67.2 67.6 0/24
Jul 19 68.8 69.0 69.4 24/24 69.0 69.1 69.2 24/24 69.5 69.7 69.9 24/24 69.8 69.9 70.1 24/24 69.5 69.6 69.8 24/24 69.4 69.6 69.9 24/24 69.2 69.4 69.8 24/24 69.3 69.5 69.9 24/24 69.0 69.4 69.8 24/24 69.2 69.8 70.8 24/24 67.2 67.4 67.8 0/24
Jul 20 68.8 69.0 69.2 24/24 68.9 69.1 69.4 24/24 69.5 69.7 70.0 24/24 69.7 69.9 70.1 24/24 69.0 69.3 69.5 24/24 69.2 69.4 69.7 24/24 68.8 68.9 69.2 24/24 68.8 68.9 69.2 24/24 68.5 69.0 69.5 24/24 68.3 69.1 69.9 24/24 66.6 66.9 67.2 0/24
Jul 21 68.9 69.2 69.6 24/24 69.0 69.2 69.4 24/24 69.6 69.9 70.2 24/24 69.8 70.0 70.2 24/24 69.0 69.5 69.7 24/24 68.9 69.4 69.8 24/24 68.3 68.6 69.0 24/24 68.4 68.7 69.1 24/24 68.2 68.6 69.0 24/24 68.2 69.2 70.0 24/24 66.1 66.5 67.0 0/24
Jul 22 68.8 69.1 70.0 24/24 69.0 69.2 69.5 24/24 69.8 70.0 70.7 24/24 69.9 70.2 70.7 24/24 69.7 70.1 70.4 24/24 69.6 70.1 70.7 24/24 68.7 69.1 69.6 24/24 68.8 69.1 69.6 24/24 68.4 69.1 69.5 24/24 68.3 69.4 70.5 24/24 66.3 66.5 66.9 0/24
Jul 23 69.0 69.4 69.8 24/24 69.2 69.4 69.8 24/24 70.4 70.6 71.2 24/24 70.4 70.6 71.0 24/24 70.1 70.5 71.0 24/24 70.1 70.5 71.1 24/24 69.3 69.8 70.7 24/24 69.3 69.9 70.7 24/24 69.1 69.8 70.5 24/24 69.6 70.3 71.2 24/24 66.7 67.2 67.8 0/24
Jul 24 69.0 69.3 69.6 24/24 69.2 69.4 69.6 24/24 70.2 70.5 70.8 24/24 70.1 70.4 70.6 24/24 70.6 70.8 71.0 24/24 70.6 70.8 71.1 24/24 70.2 70.6 71.1 24/24 70.3 70.7 71.2 24/24 70.0 70.7 71.3 24/24 69.9 71.0 72.1 24/24 67.3 67.5 67.8 0/24
Jul 25 69.2 69.5 70.1 24/24 69.3 69.5 69.7 24/24 70.5 70.8 71.1 24/24 70.4 70.6 70.8 24/24 70.6 70.8 71.2 24/24 70.6 70.8 71.1 24/24 70.7 71.1 71.5 24/24 70.8 71.1 71.6 24/24 70.5 71.1 71.7 24/24 70.8 71.6 72.4 24/24 67.5 67.7 68.0 0/24
Jul 26 69.4 69.9 71.2 24/24 69.6 69.9 70.0 24/24 70.8 71.1 71.6 24/24 70.5 70.9 71.2 24/24 70.7 71.0 71.4 24/24 70.6 71.0 71.4 24/24 71.0 71.3 71.6 24/24 71.1 71.4 71.7 24/24 71.1 71.4 71.8 24/24 71.2 72.1 73.0 24/24 67.7 68.0 68.5 9/24
Jul 27 69.6 69.9 70.2 24/24 69.8 70.1 70.2 24/24 71.0 71.3 71.6 24/24 70.9 71.2 71.5 24/24 71.0 71.2 71.6 24/24 70.9 71.2 71.7 24/24 71.0 71.2 71.5 24/24 71.1 71.3 71.6 24/24 70.8 71.3 71.8 24/24 71.2 72.0 72.7 24/24 68.3 68.6 69.0 24/24
Jul 28 69.9 70.4 71.2 24/24 70.1 70.4 70.6 24/24 71.3 71.6 71.9 24/24 71.4 71.6 71.9 24/24 71.1 71.4 71.6 24/24 71.0 71.4 71.8 24/24 70.8 71.2 71.6 24/24 70.9 71.3 71.7 24/24 70.8 71.3 72.0 24/24 71.2 72.0 72.7 24/24 68.6 68.8 69.0 24/24
Jul 29 70.3 70.9 72.8 24/24 70.4 70.9 71.4 24/24 71.8 72.1 72.8 24/24 71.7 72.1 72.7 24/24 71.4 71.9 72.2 24/24 71.4 71.9 72.5 24/24 71.2 71.6 72.1 24/24 71.2 71.6 72.2 24/24 71.2 71.6 72.2 24/24 71.2 72.3 73.3 24/24 68.4 68.6 68.8 24/24
Jul 30 70.9 71.4 72.8 24/24 70.8 71.1 71.5 24/24 72.5 72.9 74.5 24/24 72.5 72.7 73.1 24/24 72.0 72.4 72.7 24/24 72.0 72.4 72.9 24/24 71.8 72.1 72.5 24/24 71.9 72.2 72.6 24/24 71.7 72.2 72.7 24/24 71.9 72.7 73.6 24/24 68.4 68.6 68.8 24/24
Jul 31 71.0 71.2 71.5 24/24 71.0 71.1 71.3 24/24 72.2 72.5 73.1 24/24 72.2 72.4 73.0 24/24 72.6 72.7 72.8 24/24 72.6 72.8 73.0 24/24 72.1 72.3 72.7 24/24 72.2 72.4 72.8 24/24 71.8 72.4 72.9 24/24 72.2 73.0 73.7 24/24 68.6 68.8 69.4 23/23
>68.05 16 17 18 407/
744
16 17 18 414/
744
17 18 20 432/
744
17 18 20 429/
744
16 19 19 441/
744
17 19 20 453/
744
19 19 20 461/
743
19 19 20 463/
490
18 19 21 464/
744
19 21 26 526/
744
5 5 6 128/
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.