Mid and Upper-Columbia River Temperature Report for April 2019  
Generated Wed May 1 06:18:14 2019

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
Apr 1 37.9 38.1 38.3 0/24 38.1 38.3 38.6 0/24
Apr 2 37.9 38.1 38.4 0/24 38.2 38.4 38.9 0/24
Apr 3 38.2 38.3 38.5 0/24 38.4 38.6 39.0 0/24
Apr 4 38.4 38.6 38.8 0/24 38.6 38.9 39.4 0/24
Apr 5 38.6 38.7 38.9 0/24 38.9 39.0 39.0 0/24
Apr 6 38.6 38.7 38.8 0/24 38.8 38.9 39.3 0/24
Apr 7 38.6 38.8 39.2 0/24 38.8 39.1 39.8 0/24
Apr 8 38.7 38.9 39.0 0/24 38.8 38.9 39.0 0/24
Apr 9 38.8 38.9 39.3 0/24 38.7 39.0 39.9 0/24
Apr 10 38.8 38.9 39.0 0/24 38.6 38.8 39.0 0/24
Apr 11 38.8 38.9 39.2 0/24 38.7 38.9 39.3 0/24
Apr 12 38.9 39.1 39.3 0/24 38.9 39.1 39.5 0/24
Apr 13 39.0 39.1 39.2 0/24 38.9 39.0 39.2 0/24
Apr 14 39.0 39.2 39.3 0/24 39.0 39.2 39.5 0/24
Apr 15 39.1 39.3 39.5 0/24 39.1 39.3 39.6 0/24
Apr 16 39.3 39.4 39.6 0/24 39.3 39.5 39.6 0/24
Apr 17 39.4 39.6 39.8 0/24 39.4 39.6 39.9 0/24
Apr 18 39.6 39.8 40.0 0/24 39.7 39.8 40.1 0/24
Apr 19 39.8 39.9 40.0 0/24 39.8 39.9 40.0 0/24
Apr 20 39.9 40.2 40.6 0/24 39.9 40.2 40.5 0/24
Apr 21 40.2 40.5 41.3 0/24 40.2 40.5 41.0 0/24
Apr 22 40.3 40.4 40.5 0/24 40.3 40.6 40.8 0/24
Apr 23 40.5 40.7 40.9 0/24 40.7 41.0 41.4 0/24
Apr 24 40.8 41.0 41.3 0/24 41.0 41.3 41.6 0/24
Apr 25 40.7 41.1 41.4 0/24 41.1 41.4 41.6 0/24
Apr 26 41.2 41.5 41.8 0/24 41.6 41.7 41.9 0/24
Apr 27 41.4 41.6 41.8 0/24 41.5 41.8 42.1 0/24
Apr 28 41.5 41.7 42.0 0/24 41.7 42.0 42.3 0/24
Apr 29 41.7 42.1 42.7 0/24 42.0 42.3 42.7 0/24
Apr 30 41.8 41.9 42.1 0/24 42.0 42.1 42.3 0/24
>68.05 0 0 0 0/
720		 0 0 0 0/
720

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.