Mid and Upper-Columbia River Temperature Report for July 2026  
Generated 2026-07-13 17:27:07

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
07 01 59.1 59.2 59.6 0/13 59.0 59.5 59.8 0/24
07 02 60.2 60.2 60.3 0/5 59.7 60.0 60.3 0/24
07 03 60.1 60.5 60.9 0/24 60.2 60.5 60.7 0/24
07 04 60.2 60.5 60.7 0/24 60.5 60.6 60.7 0/24
07 05 60.5 60.8 61.3 0/24 60.4 60.7 61.0 0/24
07 06 60.6 60.8 61.3 0/24 60.7 60.8 61.0 0/24
07 07 60.7 61.1 61.5 0/24 60.5 60.8 61.1 0/24
07 08 60.8 61.4 62.0 0/24 60.5 60.8 61.2 0/24
07 09 60.7 61.1 61.5 0/24 60.2 60.6 61.0 0/24
07 10 61.2 61.7 62.5 0/24 60.6 61.2 61.8 0/24
07 11 61.1 61.4 61.6 0/24 60.7 61.0 61.4 0/24
07 12 61.5 61.8 62.0 0/24 61.3 61.4 61.6 0/24
07 13 61.8 62.1 62.5 0/18 61.4 61.7 61.9 0/17
07 14 --- --- --- 0/0 --- --- --- 0/0
07 15 --- --- --- 0/0 --- --- --- 0/0
07 16 --- --- --- 0/0 --- --- --- 0/0
07 17 --- --- --- 0/0 --- --- --- 0/0
07 18 --- --- --- 0/0 --- --- --- 0/0
07 19 --- --- --- 0/0 --- --- --- 0/0
07 20 --- --- --- 0/0 --- --- --- 0/0
07 21 --- --- --- 0/0 --- --- --- 0/0
07 22 --- --- --- 0/0 --- --- --- 0/0
07 23 --- --- --- 0/0 --- --- --- 0/0
07 24 --- --- --- 0/0 --- --- --- 0/0
07 25 --- --- --- 0/0 --- --- --- 0/0
07 26 --- --- --- 0/0 --- --- --- 0/0
07 27 --- --- --- 0/0 --- --- --- 0/0
07 28 --- --- --- 0/0 --- --- --- 0/0
07 29 --- --- --- 0/0 --- --- --- 0/0
07 30 --- --- --- 0/0 --- --- --- 0/0
07 31 --- --- --- 0/0 --- --- --- 0/0
>68.05 0 0 0 0/
276
0 0 0 0/
305

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.