Mid and Upper-Columbia River Temperature Report for September 2018  
Generated Mon Oct 1 06:18:18 2018

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
Sep 1 66.8 67.1 67.4 0/24 66.5 66.7 66.9 0/24
Sep 2 66.7 66.9 67.2 0/24 66.4 66.6 66.8 0/24
Sep 3 66.7 66.8 67.1 0/24 66.3 66.5 66.7 0/24
Sep 4 66.5 66.7 66.9 0/24 66.2 66.4 66.7 0/24
Sep 5 66.4 66.5 66.8 0/24 65.9 66.2 66.6 0/24
Sep 6 66.2 66.4 66.7 0/24 65.8 66.1 66.4 0/24
Sep 7 66.3 66.5 66.7 0/24 65.9 66.2 66.6 0/24
Sep 8 66.4 66.6 66.9 0/24 66.0 66.2 66.6 0/24
Sep 9 66.5 66.8 67.0 0/24 66.2 66.5 66.9 0/24
Sep 10 66.6 66.8 67.2 0/24 66.2 66.5 66.9 0/24
Sep 11 66.5 66.6 66.8 0/24 66.1 66.4 66.9 0/24
Sep 12 66.3 66.5 66.8 0/24 66.0 66.3 66.7 0/23
Sep 13 65.9 66.1 66.4 0/24 65.5 65.9 66.3 0/24
Sep 14 65.7 65.9 66.1 0/24 65.5 65.8 66.2 0/24
Sep 15 65.3 65.5 65.7 0/24 65.1 65.4 65.7 0/24
Sep 16 65.0 65.2 65.3 0/24 65.0 65.2 65.5 0/24
Sep 17 64.8 65.0 65.3 0/24 64.6 64.9 65.3 0/24
Sep 18 64.7 64.9 65.3 0/24 64.5 64.8 65.2 0/24
Sep 19 64.7 64.8 65.1 0/24 64.3 64.7 65.2 0/24
Sep 20 64.4 64.6 64.9 0/24 64.0 64.4 65.0 0/24
Sep 21 64.3 64.4 64.7 0/24 64.2 64.4 64.6 0/24
Sep 22 64.4 64.5 64.6 0/24 64.2 64.5 64.9 0/24
Sep 23 64.3 64.5 65.0 0/24 64.2 64.5 64.8 0/24
Sep 24 64.2 64.4 64.5 0/24 64.0 64.4 64.7 0/24
Sep 25 64.0 64.3 64.7 0/24 63.8 64.2 64.6 0/24
Sep 26 64.3 64.5 64.8 0/24 63.9 64.2 64.6 0/24
Sep 27 64.2 64.4 64.6 0/24 63.9 64.2 64.5 0/24
Sep 28 64.5 64.7 64.9 0/24 64.3 64.5 64.7 0/24
Sep 29 64.5 64.7 64.8 0/24 64.3 64.4 64.6 0/24
Sep 30 64.3 64.4 64.7 0/24 64.1 64.3 64.6 0/24
>68.05 0 0 0 0/
720		 0 0 0 0/
719

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.