Mid and Upper-Columbia River Temperature Report for April 2017  
Generated Mon May 1 06:18:16 2017

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date MinAvgMax>68.05 MinAvgMax>68.05
Apr 1 40.1 40.3 40.4 0/24 40.1 40.3 40.5 0/24
Apr 2 40.2 40.4 40.6 0/24 40.2 40.4 40.6 0/24
Apr 3 40.3 40.5 40.6 0/24 40.3 40.5 40.7 0/24
Apr 4 40.4 40.6 40.7 0/24 40.4 40.6 40.8 0/24
Apr 5 40.6 40.8 41.1 0/24 40.6 40.9 41.2 0/24
Apr 6 41.0 41.1 41.3 0/24 41.1 41.3 41.4 0/24
Apr 7 41.2 41.3 41.4 0/24 41.3 41.4 41.6 0/24
Apr 8 41.4 41.5 41.6 0/24 41.4 41.5 41.7 0/24
Apr 9 41.4 41.5 41.6 0/24 41.4 41.6 41.8 0/24
Apr 10 41.6 41.8 42.0 0/23 41.7 41.9 42.1 0/24
Apr 11 41.7 41.9 42.1 0/24 41.7 42.0 42.2 0/23
Apr 12 42.0 42.1 42.3 0/24 42.1 42.3 42.5 0/24
Apr 13 42.3 42.4 42.5 0/24 42.3 42.5 42.7 0/24
Apr 14 42.5 42.7 42.9 0/24 42.6 42.8 43.0 0/24
Apr 15 42.7 42.9 43.0 0/24 42.7 42.9 43.1 0/24
Apr 16 42.8 43.0 43.2 0/24 42.8 43.1 43.4 0/24
Apr 17 43.1 43.2 43.3 0/24 43.2 43.4 43.7 0/24
Apr 18 43.2 43.4 43.5 0/24 43.6 43.7 44.0 0/24
Apr 19 43.5 43.5 43.7 0/12 43.8 43.9 44.1 0/23
Apr 20 43.8 43.9 44.0 0/8 44.1 44.2 44.4 0/24
Apr 21 43.9 44.1 44.6 0/22 44.2 44.4 44.7 0/24
Apr 22 44.2 44.2 44.4 0/24 44.4 44.6 44.8 0/24
Apr 23 44.3 44.4 44.4 0/24 44.6 44.7 44.9 0/24
Apr 24 44.4 44.4 44.5 0/24 44.7 44.8 44.9 0/24
Apr 25 44.5 44.6 44.9 0/22 44.9 45.0 45.1 0/24
Apr 26 44.6 44.7 44.9 0/24 44.9 45.0 45.1 0/24
Apr 27 44.7 44.7 44.8 0/24 44.9 45.0 45.1 0/24
Apr 28 44.6 44.7 44.9 0/24 44.9 45.0 45.1 0/24
Apr 29 44.7 44.8 44.9 0/24 44.9 45.1 45.4 0/24
Apr 30 44.9 45.1 45.3 0/24 45.2 45.3 45.5 0/24
>68.05 0 0 0 0/
687		 0 0 0 0/
718

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.