Mid and Upper-Columbia River Temperature Report for May 2019  
Generated Sat Jun 1 06:18:22 2019

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
May 1 41.9 42.5 43.2 0/24 42.2 42.6 42.9 0/24
May 2 43.1 43.5 44.1 0/24 43.0 43.4 43.8 0/24
May 3 44.0 44.5 45.0 0/24 43.8 44.4 44.7 0/24
May 4 44.7 44.9 45.3 0/24 44.6 44.9 45.2 0/24
May 5 44.9 45.2 45.8 0/24 44.8 45.2 45.7 0/24
May 6 45.2 45.8 46.7 0/24 45.0 45.4 45.7 0/24
May 7 46.0 46.3 46.7 0/24 45.7 45.9 46.2 0/24
May 8 45.9 46.3 46.9 0/24 45.6 45.9 46.2 0/24
May 9 46.4 46.7 47.0 0/24 46.1 46.3 46.6 0/24
May 10 46.1 46.4 46.9 0/24 46.0 46.2 46.3 0/24
May 11 46.3 47.1 48.0 0/24 46.2 46.8 47.4 0/24
May 12 47.6 47.9 48.2 0/24 47.3 47.5 47.8 0/24
May 13 48.0 48.3 48.7 0/24 47.7 47.9 48.0 0/24
May 14 47.5 48.0 48.6 0/24 47.5 47.9 48.2 0/24
May 15 47.5 48.1 48.9 0/24 47.5 47.8 48.3 0/24
May 16 48.0 48.8 49.3 0/24 48.0 48.7 49.2 0/24
May 17 48.7 49.3 49.8 0/24 48.8 49.1 49.3 0/24
May 18 48.7 49.0 49.4 0/24 48.6 48.9 49.1 0/24
May 19 48.6 48.8 49.0 0/24 48.3 48.5 48.7 0/24
May 20 48.7 49.8 50.9 0/24 48.4 49.3 50.3 0/24
May 21 50.6 50.8 51.0 0/24 50.3 50.5 50.7 0/24
May 22 50.4 50.7 51.1 0/24 50.4 50.6 50.9 0/24
May 23 50.3 50.8 51.5 0/24 50.5 50.8 51.1 0/24
May 24 50.2 50.5 51.0 0/24 50.4 50.6 50.8 0/24
May 25 50.2 50.6 50.9 0/24 50.4 50.7 50.9 0/24
May 26 50.0 50.4 50.9 0/24 50.2 50.5 50.9 0/24
May 27 50.4 50.9 51.5 0/24 50.4 50.7 51.0 0/24
May 28 51.2 51.7 52.4 0/24 51.0 51.5 51.8 0/24
May 29 52.0 52.4 52.9 0/24 51.9 52.3 52.5 0/24
May 30 51.7 52.3 53.1 0/24 51.9 52.3 52.5 0/24
May 31 52.1 52.8 53.8 0/24 52.3 52.8 53.3 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.