Mid and Upper-Columbia River Temperature Report for March 2026  
Generated 2026-03-31 21:27:08

  Chief Joseph Dam forebay (CHJ) Chief Joseph tailwater (CHQW)
Date Min Avg Max >68.05 Min Avg Max >68.05
03 01 39.1 39.2 39.4 0/23 39.4 39.5 39.8 0/24
03 02 39.1 39.3 39.4 0/23 39.4 39.6 40.0 0/24
03 03 39.2 39.3 39.4 0/23 39.5 39.7 39.8 0/24
03 04 39.4 39.5 39.6 0/23 39.7 39.8 39.9 0/24
03 05 39.5 39.6 39.8 0/23 39.8 39.9 40.1 0/24
03 06 39.6 39.7 39.8 0/23 39.9 40.0 40.1 0/24
03 07 39.7 39.8 40.0 0/23 40.0 40.2 40.5 0/24
03 08 39.9 40.0 40.2 0/22 40.2 40.4 40.7 0/23
03 09 40.1 40.2 40.3 0/23 40.4 40.5 40.6 0/24
03 10 40.0 40.1 40.2 0/23 40.3 40.4 40.6 0/24
03 11 39.9 40.0 40.1 0/23 40.2 40.3 40.4 0/24
03 12 40.0 40.2 40.4 0/23 40.3 40.5 40.8 0/24
03 13 40.1 40.2 40.3 0/23 40.4 40.5 40.6 0/24
03 14 40.3 40.4 40.5 0/23 40.5 40.7 41.0 0/24
03 15 40.2 40.3 40.4 0/23 40.5 40.6 40.7 0/24
03 16 40.3 40.5 40.6 0/23 40.6 40.8 41.0 0/24
03 17 40.5 40.6 40.8 0/23 40.8 40.9 41.1 0/24
03 18 40.8 40.9 41.1 0/23 41.1 41.3 41.5 0/24
03 19 41.1 41.3 41.5 0/23 41.4 41.6 41.8 0/24
03 20 41.4 41.6 41.7 0/23 41.8 41.9 42.1 0/24
03 21 41.4 41.6 41.6 0/23 41.6 41.8 42.0 0/24
03 22 41.2 41.3 41.4 0/23 41.5 41.6 41.8 0/24
03 23 41.1 41.2 41.3 0/23 41.4 41.5 41.7 0/24
03 24 41.1 41.2 41.4 0/23 41.4 41.5 41.7 0/24
03 25 41.2 41.3 41.5 0/23 41.4 41.6 41.9 0/24
03 26 41.3 41.4 41.6 0/23 41.5 41.7 41.9 0/24
03 27 41.4 41.5 41.6 0/23 41.7 41.8 42.0 0/24
03 28 41.4 41.6 41.8 0/23 41.7 41.8 42.1 0/24
03 29 41.5 41.7 42.0 0/23 41.8 42.0 42.2 0/24
03 30 41.8 42.0 42.2 0/23 42.1 42.3 42.5 0/24
03 31 41.9 42.0 42.1 0/20 42.0 42.2 42.4 0/21
>68.05 0 0 0 0/
709		 0 0 0 0/
740

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.