Mid and Upper-Columbia River Temperature Report for May 2025  
Generated 2025-06-01 13:18:08

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
05 01 45.9 46.2 46.7 0/24 45.5 45.8 46.0 0/24
05 02 46.3 46.4 46.7 0/14 45.8 46.1 46.4 0/24
05 03 46.3 46.5 46.6 0/23 46.0 46.1 46.5 0/24
05 04 46.6 47.3 48.0 0/24 46.1 46.8 47.2 0/24
05 05 47.6 48.0 48.4 0/24 47.1 47.4 47.8 0/24
05 06 47.0 47.5 48.2 0/14 46.4 46.9 47.5 0/24
05 07 --- --- --- 0/0 46.7 46.9 47.0 0/24
05 08 --- --- --- 0/0 46.8 47.7 48.4 0/24
05 09 --- --- --- 0/0 48.3 48.5 48.8 0/24
05 10 --- --- --- 0/0 48.5 48.7 49.1 0/24
05 11 --- --- --- 0/0 48.2 48.5 48.9 0/24
05 12 --- --- --- 0/0 49.0 49.5 49.9 0/24
05 13 --- --- --- 0/0 49.0 49.5 49.9 0/24
05 14 --- --- --- 0/0 48.9 49.4 49.9 0/24
05 15 --- --- --- 0/0 49.6 49.9 50.2 0/24
05 16 --- --- --- 0/0 49.5 49.8 50.1 0/24
05 17 --- --- --- 0/0 49.5 49.7 50.0 0/24
05 18 49.3 49.6 49.9 0/23 49.4 49.6 49.9 0/24
05 19 49.5 49.6 49.8 0/24 49.5 49.7 50.1 0/24
05 20 49.2 49.8 50.3 0/24 48.9 49.9 50.5 0/24
05 21 48.9 49.2 49.9 0/24 48.7 49.1 49.5 0/24
05 22 49.9 50.5 51.2 0/24 49.5 50.3 50.9 0/24
05 23 50.8 51.1 51.4 0/24 50.2 50.4 50.7 0/24
05 24 50.9 51.5 51.9 0/24 50.3 50.8 51.3 0/24
05 25 51.6 52.2 52.8 0/24 51.0 51.5 51.9 0/24
05 26 52.2 52.8 53.3 0/24 51.4 51.7 52.1 0/24
05 27 52.2 52.9 53.6 0/24 51.4 51.9 52.2 0/24
05 28 53.0 53.1 53.1 0/2 51.8 52.1 52.6 0/24
05 29 --- --- --- 0/0 51.8 51.9 52.2 0/24
05 30 --- --- --- 0/0 52.2 52.8 53.2 0/24
05 31 --- --- --- 0/0 52.4 52.8 53.3 0/24
>68.05 0 0 0 0/
364		 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

Bold, red text denotes values above 68.05°F.
--- indicates No Data

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