Mid and Upper-Columbia River Temperature Report for December 2025  
Generated 2026-01-01 14:18:09

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
12 01 51.2 51.2 51.3 0/8 --- --- --- 0/0
12 02 51.1 51.3 51.4 0/23 --- --- --- 0/0
12 03 51.2 51.3 51.4 0/7 --- --- --- 0/0
12 04 --- --- --- 0/0 --- --- --- 0/0
12 05 --- --- --- 0/0 --- --- --- 0/0
12 06 --- --- --- 0/0 --- --- --- 0/0
12 07 --- --- --- 0/0 --- --- --- 0/0
12 08 --- --- --- 0/0 --- --- --- 0/0
12 09 50.4 50.4 50.4 0/8 --- --- --- 0/0
12 10 50.2 50.2 50.3 0/23 --- --- --- 0/0
12 11 50.1 50.1 50.1 0/10 --- --- --- 0/0
12 12 --- --- --- 0/0 --- --- --- 0/0
12 13 49.6 49.7 49.8 0/8 --- --- --- 0/0
12 14 49.4 49.6 49.6 0/23 --- --- --- 0/0
12 15 49.2 49.2 49.3 0/14 --- --- --- 0/0
12 16 --- --- --- 0/0 --- --- --- 0/0
12 17 --- --- --- 0/0 --- --- --- 0/0
12 18 --- --- --- 0/0 --- --- --- 0/0
12 19 --- --- --- 0/0 --- --- --- 0/0
12 20 --- --- --- 0/0 --- --- --- 0/0
12 21 --- --- --- 0/0 --- --- --- 0/0
12 22 --- --- --- 0/0 --- --- --- 0/0
12 23 47.5 47.5 47.6 0/8 --- --- --- 0/0
12 24 47.5 47.6 47.6 0/23 --- --- --- 0/0
12 25 47.5 47.5 47.5 0/8 --- --- --- 0/0
12 26 --- --- --- 0/0 --- --- --- 0/0
12 27 --- --- --- 0/0 --- --- --- 0/0
12 28 --- --- --- 0/0 --- --- --- 0/0
12 29 --- --- --- 0/0 --- --- --- 0/0
12 30 --- --- --- 0/0 --- --- --- 0/0
12 31 --- --- --- 0/0 --- --- --- 0/0
>68.05 0 0 0 0/
163		 0 0 0 0/
0

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.