Mid and Upper-Columbia River Temperature Report for July 2018  
Generated Wed Aug 1 06:18:17 2018

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
Jul 1 58.3 58.5 58.8 0/24 58.3 58.5 58.8 0/24
Jul 2 58.3 58.8 59.4 0/24 58.3 58.6 59.0 0/24
Jul 3 58.6 58.9 59.4 0/24 58.5 58.7 58.8 0/24
Jul 4 58.8 58.9 59.2 0/24 58.5 58.7 58.8 0/24
Jul 5 58.8 59.1 59.6 0/24 58.5 58.6 58.8 0/24
Jul 6 59.0 59.5 59.9 0/24 58.7 59.1 59.5 0/24
Jul 7 59.4 59.6 60.0 0/15 59.2 59.5 59.8 0/24
Jul 8 59.8 60.2 60.6 0/19 59.4 59.8 60.3 0/24
Jul 9 60.4 60.7 61.0 0/24 60.0 60.4 60.6 0/24
Jul 10 60.3 60.5 60.8 0/24 59.9 60.2 60.6 0/24
Jul 11 60.1 60.9 61.8 0/24 59.8 60.5 61.4 0/24
Jul 12 61.1 61.3 61.6 0/24 60.7 60.9 61.1 0/24
Jul 13 60.8 61.3 61.8 0/23 60.6 61.0 61.4 0/24
Jul 14 61.2 61.7 62.4 0/24 60.8 61.4 62.0 0/24
Jul 15 61.6 62.0 62.6 0/24 61.2 61.6 62.1 0/24
Jul 16 61.6 62.0 62.5 0/24 61.1 61.5 61.9 0/24
Jul 17 61.3 61.8 62.3 0/24 61.0 61.5 62.0 0/24
Jul 18 61.9 62.5 63.1 0/24 61.6 62.2 62.8 0/24
Jul 19 62.5 63.1 63.5 0/24 62.3 62.8 63.3 0/24
Jul 20 62.7 63.1 63.6 0/24 62.0 62.5 63.2 0/24
Jul 21 62.2 62.4 62.7 0/24 61.6 61.9 62.4 0/24
Jul 22 61.6 62.1 62.7 0/24 61.4 61.9 62.4 0/24
Jul 23 62.0 62.4 62.9 0/24 61.8 62.1 62.3 0/24
Jul 24 62.1 62.4 62.9 0/24 62.0 62.2 62.4 0/24
Jul 25 62.4 62.8 63.5 0/24 62.4 62.6 62.9 0/24
Jul 26 62.7 63.3 64.0 0/24 62.6 63.1 63.6 0/24
Jul 27 63.0 63.6 64.1 0/24 62.8 63.3 63.7 0/24
Jul 28 63.6 63.9 64.3 0/24 63.1 63.6 63.9 0/24
Jul 29 63.7 64.1 64.7 0/24 63.2 63.7 64.2 0/24
Jul 30 64.0 64.5 65.4 0/24 63.5 64.1 64.8 0/24
Jul 31 64.3 64.7 65.0 0/24 63.6 64.3 64.9 0/24
>68.05 0 0 0 0/
729
0 0 0 0/
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.