Mid and Upper-Columbia River Temperature Report for May 2018  
Generated Fri Jun 1 06:18:13 2018

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
May 1 45.4 45.5 45.7 0/24 45.9 46.0 46.1 0/24
May 2 45.6 45.7 46.1 0/24 45.9 46.1 46.3 0/24
May 3 45.8 46.0 46.6 0/24 46.2 46.5 46.9 0/24
May 4 46.4 46.6 46.8 0/24 46.9 47.0 47.2 0/24
May 5 46.7 46.9 47.1 0/24 47.1 47.3 47.6 0/24
May 6 46.9 47.0 47.2 0/24 47.2 47.5 47.7 0/24
May 7 47.2 47.5 48.1 0/24 47.7 48.0 48.3 0/24
May 8 47.7 47.9 48.5 0/24 48.1 48.4 48.7 0/24
May 9 48.1 48.6 49.2 0/24 48.7 49.0 49.4 0/24
May 10 49.0 49.1 49.3 0/24 49.3 49.4 49.5 0/24
May 11 48.9 49.3 49.8 0/24 49.3 49.6 49.9 0/24
May 12 49.6 49.8 50.3 0/24 49.9 50.0 50.2 0/24
May 13 49.8 50.0 50.4 0/24 50.0 50.2 50.4 0/24
May 14 50.1 50.4 50.6 0/24 50.3 50.6 50.8 0/24
May 15 50.5 50.8 51.2 0/24 50.7 51.1 51.3 0/24
May 16 50.9 51.4 52.0 0/24 51.2 51.6 51.9 0/24
May 17 51.5 51.9 52.6 0/24 51.7 52.1 52.5 0/24
May 18 51.8 51.9 52.0 0/24 52.0 52.1 52.2 0/24
May 19 51.8 51.9 52.1 0/24 52.0 52.0 52.2 0/24
May 20 51.8 51.9 52.2 0/24 52.0 52.1 52.3 0/24
May 21 51.9 52.1 52.5 0/24 52.1 52.4 52.6 0/24
May 22 52.2 52.3 52.5 0/24 52.4 52.6 52.9 0/24
May 23 52.2 52.5 53.1 0/24 52.6 52.9 53.2 0/24
May 24 52.6 52.9 53.3 0/24 53.0 53.3 53.6 0/24
May 25 52.9 53.2 53.7 0/24 53.3 53.6 53.8 0/24
May 26 53.0 53.4 54.0 0/24 53.4 53.6 53.9 0/24
May 27 53.1 53.4 53.9 0/24 53.4 53.7 53.9 0/24
May 28 53.1 53.5 54.0 0/24 53.4 53.7 53.9 0/24
May 29 53.2 53.4 53.8 0/24 53.5 53.7 53.9 0/24
May 30 52.8 53.0 53.3 0/24 53.0 53.2 53.4 0/24
May 31 52.8 53.1 53.5 0/24 53.2 53.4 53.7 0/24
>68.05 0 0 0 0/
744		 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.