<<<   Mid and Upper-Columbia River Temperature Report for April 2009   >>>
Generated Tue Jun 21 16:49:32 2011

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW) Pasco - 4.8 miles above Confluence of Snake and Columbia Rivers (PAQW)
Date MinAvgMax>68 MinAvgMax>68 MinAvgMax>68
Apr 1 37.6 37.7 37.8 0/24 37.7 37.9 38.0 0/24 41.0 41.5 42.2 0/24
Apr 2 37.6 37.8 37.9 0/24 37.8 38.0 38.2 0/24 40.7 41.4 42.2 0/24
Apr 3 37.8 37.9 38.1 0/24 37.9 38.1 38.4 0/24 41.4 42.1 43.2 0/24
Apr 4 37.8 38.0 38.4 0/24 37.9 38.3 38.7 0/24 42.0 42.7 43.4 0/24
Apr 5 37.9 38.1 38.4 0/24 38.1 38.4 38.9 0/24 42.7 43.3 44.0 0/24
Apr 6 37.9 38.2 38.5 0/24 38.2 38.5 38.8 0/24 43.4 44.0 44.6 0/24
Apr 7 38.4 38.6 38.9 0/24 38.6 38.9 39.2 0/24 44.0 44.6 45.1 0/24
Apr 8 38.7 38.9 39.0 0/24 39.0 39.1 39.4 0/24 44.6 45.2 46.1 0/24
Apr 9 39.0 39.1 39.4 0/24 39.1 39.2 39.4 0/24 44.6 45.2 45.8 0/24
Apr 10 39.0 39.1 39.2 0/24 39.1 39.1 39.3 0/24 45.0 45.5 46.2 0/24
Apr 11 39.0 39.1 39.3 0/24 39.0 39.1 39.4 0/24 44.7 45.3 46.0 0/24
Apr 12 39.1 39.2 39.2 0/24 39.2 39.3 39.4 0/24 44.8 45.0 45.3 0/24
Apr 13 39.2 39.3 39.5 0/24 39.3 39.4 39.6 0/24 44.2 44.8 45.5 0/24
Apr 14 39.3 39.4 39.4 0/24 39.3 39.4 39.5 0/24 43.9 44.4 45.0 0/24
Apr 15 39.3 39.5 39.7 0/24 39.3 39.5 39.8 0/24 44.3 44.7 45.2 0/24
Apr 16 39.5 39.6 39.8 0/24 39.5 39.7 39.9 0/24 44.0 44.5 45.1 0/24
Apr 17 39.7 39.9 40.1 0/24 39.8 40.0 40.2 0/24 44.2 44.4 44.7 0/24
Apr 18 39.9 40.1 40.3 0/24 40.0 40.2 40.5 0/24 43.9 44.4 45.0 0/24
Apr 19 40.1 40.3 40.5 0/24 40.2 40.4 40.6 0/24 44.2 44.7 45.2 0/24
Apr 20 40.4 40.6 40.7 0/24 40.5 40.7 40.8 0/24 44.8 45.4 46.1 0/24
Apr 21 40.6 40.7 41.0 0/24 40.7 40.8 41.1 0/24 45.4 46.0 46.7 0/24
Apr 22 40.9 41.2 41.4 0/24 41.1 41.2 41.5 0/24 45.9 46.3 47.0 0/24
Apr 23 41.0 41.2 41.4 0/24 41.0 41.2 41.4 0/24 45.1 45.6 46.0 0/24
Apr 24 40.9 41.0 41.1 0/24 40.9 41.0 41.2 0/24 44.9 45.5 46.3 0/24
Apr 25 40.8 41.1 41.3 0/24 40.9 41.1 41.4 0/24 45.2 45.6 46.0 0/24
Apr 26 41.0 41.3 41.8 0/24 41.0 41.3 41.7 0/24 45.6 46.1 46.7 0/24
Apr 27 41.6 41.7 42.0 0/24 41.6 41.7 41.9 0/24 45.8 46.1 46.4 0/24
Apr 28 41.6 41.9 42.1 0/24 41.7 42.0 42.3 0/24 45.1 45.5 46.0 0/24
Apr 29 41.9 42.2 42.5 0/24 42.0 42.3 42.6 0/24 45.0 45.2 45.5 0/24
Apr 30 42.3 42.6 43.0 0/24 42.4 42.7 42.9 0/24 45.0 45.8 46.7 0/24
>68 0 0 0 0/
720
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°F.
--- indicates No Data

NOTICE: This report is based on raw, unverified data.