Lower Columbia River Temperature Report for April 2022  
Generated 2022-05-01 13:18:05

  McNary Dam forebay on Columbia R. (MCNA) McNary Dam tailwater on Columbia R. (MCPW) John Day Dam forebay (JDY) John Day Dam tailwater (JHAW) The Dalles Dam forebay on Columbia R. (TDA) The Dalles tailwater Downstream (TDDO) Bonneville Dam forebay (BON) Cascade Island (CCIW) Warrendale (WRNO) Camas / Washougal (CWMW) Pasco - Columbia Rivers (PAQW)
Date Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05 Min Avg Max >68.05
04 01 45.6 45.8 46.5 0/24 45.3 45.6 46.0 0/24 45.4 45.7 46.0 0/24 45.5 45.7 45.9 0/24 45.8 46.1 46.3 0/24 45.6 46.0 46.4 0/24 46.3 46.6 46.8 0/24 46.4 46.6 46.8 0/24 46.3 46.7 47.2 0/24 --- --- --- 0/0 --- --- --- 0/0
04 02 45.9 46.1 46.8 0/24 45.7 45.8 46.0 0/24 45.8 46.0 46.2 0/24 45.8 46.0 46.2 0/24 46.2 46.5 46.9 0/24 46.1 46.4 46.7 0/24 46.5 46.7 46.8 0/24 46.6 46.7 46.8 0/24 46.5 46.8 47.3 0/24 --- --- --- 0/0 --- --- --- 0/0
04 03 45.6 45.9 46.2 0/24 45.6 45.7 45.9 0/24 46.1 46.3 46.6 0/24 46.2 46.4 46.6 0/24 46.6 46.8 46.9 0/24 46.4 46.7 47.1 0/24 46.5 46.7 46.9 0/24 46.6 46.7 46.9 0/24 46.5 46.8 47.1 0/24 --- --- --- 0/0 --- --- --- 0/0
04 04 46.1 46.4 46.6 0/24 45.8 46.0 46.2 0/24 46.5 46.6 46.8 0/24 46.6 46.7 46.8 0/24 46.8 47.1 47.5 0/24 46.7 47.0 47.4 0/24 46.9 47.0 47.1 0/24 46.9 47.0 47.0 0/24 46.8 47.0 47.1 0/24 --- --- --- 0/0 --- --- --- 0/0
04 05 46.4 46.5 46.7 0/24 46.0 46.2 46.3 0/24 46.6 46.7 46.8 0/24 46.6 46.7 46.9 0/24 47.0 47.1 47.3 0/24 46.8 47.0 47.2 0/24 46.7 46.9 47.1 0/24 46.7 46.9 47.1 0/24 46.6 46.9 47.4 0/24 --- --- --- 0/0 --- --- --- 0/0
04 06 46.5 46.9 48.1 0/24 46.1 46.4 46.8 0/24 46.7 47.3 48.7 0/24 46.7 47.1 47.5 0/24 47.0 47.1 47.3 0/24 46.7 47.0 47.4 0/24 46.8 47.1 47.5 0/24 46.8 47.1 47.4 0/24 46.7 47.1 47.6 0/24 --- --- --- 0/0 --- --- --- 0/0
04 07 46.9 47.4 47.8 0/24 46.7 46.9 47.1 0/24 47.5 48.0 48.9 0/24 47.2 47.5 47.8 0/24 47.2 47.5 47.8 0/24 47.0 47.4 47.8 0/24 47.2 47.4 47.7 0/24 47.2 47.4 47.7 0/24 46.8 47.5 48.1 0/24 --- --- --- 0/0 --- --- --- 0/0
04 08 46.8 47.0 47.5 0/24 46.4 46.7 47.1 0/24 47.5 47.7 48.2 0/24 47.3 47.5 47.7 0/24 47.7 48.0 48.3 0/24 47.6 47.9 48.4 0/24 47.6 47.7 47.9 0/24 47.6 47.7 47.9 0/24 47.6 47.8 48.2 0/24 --- --- --- 0/0 --- --- --- 0/0
04 09 46.7 46.9 47.1 0/24 46.4 46.5 46.7 0/24 47.4 47.5 47.6 0/24 47.4 47.4 47.5 0/24 47.8 48.0 48.3 0/24 47.7 47.9 48.1 0/24 47.7 47.8 47.9 0/24 47.7 47.8 47.8 0/24 47.6 47.8 48.0 0/24 --- --- --- 0/0 --- --- --- 0/0
04 10 46.6 46.7 46.9 0/24 46.3 46.4 46.6 0/24 47.4 47.4 47.5 0/24 47.4 47.4 47.5 0/24 47.6 47.8 48.0 0/24 47.6 47.7 47.9 0/24 47.5 47.7 47.8 0/24 47.5 47.6 47.8 0/24 47.4 47.6 47.8 0/24 --- --- --- 0/0 --- --- --- 0/0
04 11 46.6 46.6 46.7 0/24 46.2 46.3 46.4 0/24 47.3 47.4 47.6 0/24 47.4 47.4 47.6 0/24 47.1 47.3 47.5 0/24 47.0 47.2 47.6 0/24 47.4 47.5 47.8 0/24 47.4 47.5 47.8 0/24 47.1 47.4 47.7 0/24 --- --- --- 0/0 --- --- --- 0/0
04 12 46.3 46.5 47.0 0/24 46.1 46.3 46.5 0/24 47.2 47.3 47.4 0/24 47.2 47.3 47.5 0/24 47.0 47.2 47.6 0/24 46.8 47.2 47.5 0/24 47.1 47.2 47.4 0/24 47.1 47.2 47.4 0/24 47.2 47.3 47.5 0/24 --- --- --- 0/0 43.4 44.0 44.4 0/14
04 13 46.2 46.3 46.7 0/24 46.0 46.1 46.4 0/24 47.2 47.4 47.8 0/24 47.3 47.4 47.7 0/24 47.4 47.5 47.8 0/24 47.2 47.5 47.8 0/24 46.9 47.1 47.3 0/24 46.9 47.1 47.3 0/24 46.9 47.2 47.4 0/24 --- --- --- 0/0 43.9 44.0 44.2 0/24
04 14 45.2 45.7 46.3 0/24 45.7 45.9 46.1 0/24 47.3 47.5 47.8 0/24 47.3 47.4 47.6 0/24 47.4 47.7 47.9 0/24 47.3 47.6 47.9 0/24 47.1 47.3 47.6 0/24 47.1 47.3 47.6 0/24 47.0 47.3 47.6 0/24 --- --- --- 0/0 43.5 43.8 44.0 0/24
04 15 45.0 45.2 46.2 0/24 45.5 45.7 46.1 0/24 47.2 47.3 47.4 0/24 47.2 47.3 47.4 0/24 47.5 47.7 47.9 0/24 47.2 47.7 48.1 0/24 47.4 47.6 48.0 0/24 47.4 47.6 48.0 0/24 47.2 47.8 48.7 0/24 --- --- --- 0/0 43.6 44.0 44.6 0/24
04 16 45.2 45.4 46.2 0/24 45.5 45.7 46.0 0/24 47.2 47.5 47.6 0/24 47.2 47.4 47.6 0/24 47.6 47.8 48.2 0/24 47.5 47.7 48.1 0/24 47.5 47.8 48.0 0/24 47.5 47.8 48.0 0/24 47.6 47.8 48.1 0/24 --- --- --- 0/0 43.6 44.2 44.4 0/24
04 17 45.0 45.2 45.5 0/24 45.4 45.7 46.0 0/24 47.0 47.4 48.3 0/24 47.1 47.3 47.6 0/24 47.4 47.6 47.9 0/24 47.3 47.7 47.9 0/24 47.7 47.9 48.2 0/24 47.7 47.9 48.2 0/24 47.6 48.0 48.5 0/24 --- --- --- 0/0 43.1 43.8 44.6 0/24
04 18 45.3 45.5 45.9 0/24 45.7 45.8 46.0 0/24 47.3 47.8 48.3 0/24 47.2 47.5 47.8 0/24 47.6 47.7 48.0 0/24 47.5 47.7 47.9 0/24 47.9 48.0 48.2 0/24 47.9 48.0 48.2 0/24 47.9 48.0 48.1 0/24 --- --- --- 0/0 44.6 45.1 45.4 0/24
04 19 45.4 45.5 45.7 0/24 45.8 45.9 46.2 0/24 47.1 47.2 47.5 0/24 47.2 47.3 47.5 0/24 47.5 47.6 47.8 0/24 47.4 47.6 47.8 0/24 47.9 48.0 48.1 0/24 47.9 48.0 48.1 0/24 47.9 48.1 48.3 0/24 --- --- --- 0/0 44.6 44.9 45.3 0/24
04 20 45.6 46.0 46.5 0/24 45.8 46.2 46.5 0/24 47.2 47.3 47.6 0/24 47.4 47.5 47.7 0/24 47.4 47.6 47.8 0/24 47.3 47.5 47.8 0/24 47.5 47.7 48.0 0/24 47.6 47.8 48.0 0/24 47.7 47.9 48.1 0/24 --- --- --- 0/0 44.6 44.8 45.0 0/24
04 21 46.1 46.3 46.5 0/24 46.4 46.7 47.0 0/24 47.3 47.4 47.5 0/24 47.4 47.5 47.6 0/24 47.5 47.8 48.1 0/24 47.3 47.7 48.2 0/24 47.5 47.7 48.0 0/24 47.6 47.8 48.1 0/24 47.6 47.9 48.3 0/24 --- --- --- 0/0 44.6 45.1 45.8 0/24
04 22 46.6 46.7 47.0 0/24 46.8 47.2 47.6 0/24 47.2 47.4 47.6 0/24 47.4 47.6 47.7 0/24 48.0 48.3 48.7 0/24 47.8 48.3 48.8 0/24 47.7 48.0 48.6 0/24 47.8 48.1 48.7 0/24 47.9 48.3 49.0 0/24 --- --- --- 0/0 45.5 46.0 46.6 0/24
04 23 46.7 46.9 47.1 0/24 47.0 47.3 47.6 0/24 47.3 47.4 47.6 0/24 47.6 47.7 47.8 0/24 48.3 48.6 49.0 0/24 48.0 48.5 49.0 0/24 48.3 48.6 49.0 0/24 48.4 48.7 49.1 0/24 48.5 48.9 49.6 0/24 --- --- --- 0/0 46.1 46.7 47.4 0/24
04 24 46.8 47.4 48.2 0/24 47.5 47.9 48.7 0/24 47.3 48.0 49.3 0/24 47.6 48.0 48.9 0/24 48.4 48.7 49.0 0/24 48.2 48.7 49.3 0/24 48.7 49.1 49.7 0/24 48.8 49.2 49.8 0/24 48.7 49.3 50.1 0/24 --- --- --- 0/0 46.9 47.4 48.1 0/24
04 25 47.6 48.4 49.6 0/24 48.5 48.9 49.2 0/24 47.7 48.1 48.8 0/24 47.8 48.0 48.4 0/24 48.4 48.8 49.2 0/24 48.5 48.8 49.1 0/24 49.3 49.4 49.7 0/24 49.4 49.5 49.8 0/24 49.5 49.6 49.8 0/24 --- --- --- 0/0 47.4 47.7 48.0 0/24
04 26 48.2 48.6 49.2 0/24 48.6 49.0 49.2 0/24 47.8 48.0 48.4 0/24 47.8 48.2 48.5 0/24 48.6 48.9 49.3 0/24 48.7 48.9 49.3 0/24 49.1 49.3 49.4 0/24 49.2 49.4 49.5 0/24 49.4 49.5 49.9 0/24 --- --- --- 0/0 47.1 47.5 48.0 0/24
04 27 49.2 49.3 49.5 0/24 49.2 49.6 49.9 0/24 48.0 48.3 48.7 0/24 48.3 48.5 48.7 0/24 48.5 48.9 49.3 0/24 48.4 48.8 49.2 0/24 49.0 49.2 49.5 0/24 49.1 49.3 49.6 0/24 49.3 49.5 49.9 0/24 --- --- --- 0/0 47.7 47.9 48.2 0/24
04 28 49.1 49.3 49.6 0/24 49.5 49.7 49.9 0/24 48.4 48.6 48.9 0/24 48.7 48.9 49.1 0/24 49.0 49.3 49.7 0/24 48.8 49.2 49.6 0/24 49.3 49.5 49.6 0/24 49.4 49.6 49.7 0/24 49.5 49.7 50.1 0/24 --- --- --- 0/0 47.5 47.7 48.0 0/24
04 29 49.1 49.4 50.3 0/24 49.5 49.8 50.2 0/24 48.9 49.2 49.8 0/24 49.1 49.8 51.4 0/24 49.2 49.5 49.7 0/24 48.9 49.5 49.9 0/24 49.1 49.4 49.7 0/24 49.2 49.5 49.9 0/24 49.4 49.7 50.1 0/24 --- --- --- 0/0 47.5 48.0 48.5 0/24
04 30 49.9 50.1 50.3 0/24 50.3 50.4 50.5 0/24 49.6 50.0 50.4 0/24 49.5 50.1 50.4 0/24 49.7 50.2 50.6 0/24 49.6 50.1 50.6 0/24 49.6 49.8 50.1 0/24 49.7 49.9 50.3 0/24 49.8 50.0 50.3 0/24 --- --- --- 0/0 48.0 48.4 48.7 0/24
>68.05 0 0 0 0/
720		 0 0 0 0/
720		 0 0 0 0/
720		 0 0 0 0/
720		 0 0 0 0/
720		 0 0 0 0/
720		 0 0 0 0/
720		 0 0 0 0/
720		 0 0 0 0/
720		 0 0 0 0/
0		 0 0 0 0/
446

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.