Lower Columbia River Temperature Report for March 2020  
Generated Wed Apr 1 06:18:12 2020

  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
Mar 1 --- --- --- 0/0 39.8 40.0 40.1 0/24 --- --- --- 0/0 40.5 40.6 40.7 0/24 --- --- --- 0/0 40.9 41.0 41.2 0/24 --- --- --- 0/0 --- --- --- 0/0 41.6 41.8 41.9 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 2 --- --- --- 0/0 39.9 40.1 40.3 0/24 --- --- --- 0/0 40.6 40.7 40.8 0/24 --- --- --- 0/0 40.9 41.1 41.3 0/24 --- --- --- 0/0 --- --- --- 0/0 41.5 41.6 41.8 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 3 --- --- --- 0/0 40.2 40.4 40.5 0/24 --- --- --- 0/0 40.8 41.0 41.2 0/24 --- --- --- 0/0 41.1 41.4 41.8 0/24 --- --- --- 0/0 --- --- --- 0/0 41.7 41.9 42.2 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 4 --- --- --- 0/0 40.4 40.7 41.1 0/24 --- --- --- 0/0 41.1 41.2 41.3 0/24 --- --- --- 0/0 41.6 41.9 42.2 0/24 --- --- --- 0/0 --- --- --- 0/0 42.1 42.3 42.9 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 5 --- --- --- 0/0 41.1 41.4 41.6 0/24 --- --- --- 0/0 41.3 41.4 41.5 0/24 --- --- --- 0/0 41.7 41.9 42.0 0/24 --- --- --- 0/0 --- --- --- 0/0 42.1 42.4 42.6 0/24 --- --- --- 0/0 45.7 45.7 45.7 0/1
Mar 6 --- --- --- 0/0 41.6 41.9 42.2 0/24 --- --- --- 0/0 41.5 41.5 41.6 0/24 --- --- --- 0/0 41.7 42.0 42.3 0/24 --- --- --- 0/0 --- --- --- 0/0 42.4 42.6 42.7 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 7 --- --- --- 0/0 41.9 42.1 42.3 0/24 --- --- --- 0/0 41.6 41.7 41.8 0/24 --- --- --- 0/0 42.0 42.2 42.4 0/24 --- --- --- 0/0 --- --- --- 0/0 42.4 42.6 42.7 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 8 --- --- --- 0/0 41.7 41.8 41.9 0/23 --- --- --- 0/0 41.7 41.9 42.0 0/23 --- --- --- 0/0 42.0 42.2 42.5 0/23 --- --- --- 0/0 --- --- --- 0/0 42.4 42.6 43.2 0/23 --- --- --- 0/0 --- --- --- 0/0
Mar 9 --- --- --- 0/0 41.7 41.8 42.0 0/24 --- --- --- 0/0 42.0 42.2 42.5 0/24 --- --- --- 0/0 42.0 42.4 42.7 0/24 --- --- --- 0/0 --- --- --- 0/0 42.4 42.7 43.2 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 10 --- --- --- 0/0 41.8 41.9 42.0 0/24 --- --- --- 0/0 42.4 42.6 42.8 0/24 --- --- --- 0/0 42.3 42.7 43.1 0/24 --- --- --- 0/0 --- --- --- 0/0 42.5 42.8 43.2 0/24 43.0 43.8 44.2 0/10 --- --- --- 0/0
Mar 11 --- --- --- 0/0 41.8 42.0 42.4 0/24 42.5 42.6 42.6 0/12 42.5 42.6 42.8 0/24 --- --- --- 0/0 42.7 43.1 43.5 0/24 --- --- --- 0/0 --- --- --- 0/0 42.8 43.0 43.6 0/24 42.8 43.3 44.1 0/24 --- --- --- 0/0
Mar 12 --- --- --- 0/0 41.9 42.1 42.4 0/24 42.5 42.6 42.9 0/24 42.5 42.7 42.9 0/24 43.2 43.4 43.5 0/15 43.1 43.4 43.6 0/24 43.2 43.3 43.4 0/8 43.4 43.4 43.5 0/10 42.9 43.3 44.2 0/24 42.6 43.5 44.4 0/24 --- --- --- 0/0
Mar 13 --- --- --- 0/0 42.2 42.4 42.7 0/24 42.7 43.1 43.5 0/24 42.8 43.0 43.2 0/24 43.1 43.3 43.4 0/24 43.1 43.3 43.4 0/24 43.3 43.4 43.5 0/24 43.4 43.5 43.5 0/24 43.2 43.4 43.5 0/24 43.2 43.5 44.1 0/24 --- --- --- 0/0
Mar 14 --- --- --- 0/0 42.0 42.2 42.5 0/24 43.0 43.3 43.5 0/24 43.0 43.2 43.3 0/24 42.9 43.0 43.3 0/24 42.8 43.0 43.3 0/24 43.1 43.2 43.3 0/24 43.2 43.3 43.4 0/24 42.5 43.2 43.6 0/24 42.4 43.0 43.5 0/24 --- --- --- 0/0
Mar 15 --- --- --- 0/0 41.9 41.9 42.0 0/24 42.7 42.9 43.3 0/24 42.9 42.9 43.0 0/24 42.6 42.7 42.9 0/24 42.6 42.7 42.8 0/24 42.6 42.8 43.1 0/24 42.7 42.9 43.2 0/24 42.1 42.5 43.0 0/24 41.9 42.4 43.2 0/24 --- --- --- 0/0
Mar 16 --- --- --- 0/0 41.9 42.1 42.4 0/24 42.7 42.9 43.3 0/24 42.8 42.9 43.1 0/24 42.6 42.8 43.1 0/24 42.6 42.9 43.2 0/24 42.3 42.5 42.6 0/24 42.4 42.6 42.8 0/24 42.1 42.5 42.9 0/24 41.8 42.6 43.9 0/24 --- --- --- 0/0
Mar 17 --- --- --- 0/0 41.9 42.1 42.3 0/24 42.9 43.2 43.6 0/24 42.9 43.0 43.2 0/24 42.9 43.2 43.6 0/24 42.8 43.2 43.6 0/24 42.6 42.8 43.0 0/24 42.7 42.9 43.1 0/24 42.2 42.8 43.8 0/24 42.2 43.0 44.3 0/24 --- --- --- 0/0
Mar 18 --- --- --- 0/0 41.4 41.7 41.8 0/24 43.0 43.2 43.5 0/24 42.9 43.0 43.1 0/24 43.1 43.3 43.6 0/24 43.1 43.4 43.8 0/24 42.9 43.2 43.6 0/24 43.1 43.3 43.6 0/24 42.9 43.3 44.0 0/24 43.0 43.7 45.1 0/24 --- --- --- 0/0
Mar 19 --- --- --- 0/0 41.3 41.5 41.7 0/24 42.8 43.0 43.6 0/24 42.9 43.0 43.3 0/24 43.2 43.4 43.8 0/24 43.3 43.6 44.0 0/24 43.5 43.7 44.1 0/24 43.6 43.8 44.1 0/24 43.5 43.8 44.3 0/24 43.3 44.2 45.6 0/24 --- --- --- 0/0
Mar 20 --- --- --- 0/0 41.7 42.0 42.3 0/24 43.1 43.3 43.7 0/24 43.1 43.1 43.3 0/24 43.4 43.7 43.9 0/24 43.5 43.8 44.1 0/24 44.0 44.2 44.5 0/24 44.0 44.3 44.6 0/24 44.0 44.4 45.2 0/24 43.9 44.8 46.1 0/24 --- --- --- 0/0
Mar 21 --- --- --- 0/0 42.2 42.6 42.9 0/24 43.0 43.1 43.3 0/24 42.8 43.0 43.3 0/24 43.5 43.9 44.3 0/24 43.6 43.9 44.2 0/24 44.2 44.5 44.7 0/24 44.4 44.6 44.8 0/24 44.3 44.6 45.0 0/24 44.4 45.3 46.2 0/24 --- --- --- 0/0
Mar 22 --- --- --- 0/0 42.9 43.2 43.5 0/24 42.6 42.7 43.0 0/24 42.7 42.8 42.8 0/24 43.8 44.0 44.2 0/24 43.8 44.1 44.4 0/24 44.4 44.7 45.0 0/24 44.6 44.8 45.0 0/24 44.5 44.8 45.3 0/24 44.6 45.4 46.3 0/24 --- --- --- 0/0
Mar 23 --- --- --- 0/0 43.5 43.6 43.7 0/24 42.5 42.6 42.7 0/24 42.6 42.7 42.9 0/24 43.6 43.9 44.2 0/24 43.8 44.0 44.3 0/24 44.7 44.8 45.0 0/24 44.8 45.0 45.0 0/24 44.8 45.0 45.4 0/24 45.0 45.5 46.1 0/24 --- --- --- 0/0
Mar 24 --- --- --- 0/0 43.6 43.8 44.1 0/24 42.6 42.9 43.3 0/24 42.8 43.1 43.3 0/24 43.4 43.6 43.7 0/24 43.4 43.6 43.8 0/24 44.6 44.7 44.8 0/24 44.7 44.8 44.9 0/24 44.7 44.8 45.0 0/24 44.9 45.4 45.9 0/24 --- --- --- 0/0
Mar 25 --- --- --- 0/0 43.8 44.0 44.2 0/24 43.1 43.3 43.5 0/24 43.3 43.5 43.7 0/24 43.3 43.7 44.1 0/24 43.4 43.7 44.0 0/24 44.6 44.7 44.8 0/24 44.7 44.8 44.9 0/24 44.7 44.8 45.2 0/24 44.7 45.2 46.0 0/24 --- --- --- 0/0
Mar 26 44.1 44.2 44.4 0/13 44.2 44.4 44.6 0/24 43.5 43.7 43.8 0/24 43.7 43.8 44.0 0/24 43.8 44.1 44.6 0/24 43.7 44.0 44.5 0/24 44.3 44.4 44.7 0/24 44.4 44.6 44.8 0/24 44.4 44.6 44.8 0/24 44.8 45.2 45.6 0/24 --- --- --- 0/0
Mar 27 44.0 44.2 44.3 0/24 44.2 44.4 44.5 0/24 43.8 43.9 43.9 0/24 43.9 44.0 44.1 0/24 44.1 44.4 44.7 0/24 44.1 44.4 44.6 0/24 44.0 44.1 44.3 0/24 44.2 44.3 44.4 0/24 44.2 44.3 44.4 0/24 44.5 44.8 45.1 0/24 46.0 310.1 2950.6 2/22
Mar 28 43.9 44.1 44.3 0/24 44.2 44.4 44.5 0/24 43.8 43.9 44.0 0/24 43.9 44.0 44.1 0/24 44.4 44.6 44.9 0/24 44.4 44.7 44.9 0/24 44.1 44.3 44.6 0/24 44.3 44.4 44.7 0/24 44.2 44.4 44.6 0/24 44.3 44.6 45.0 0/24 45.9 46.1 46.2 0/24
Mar 29 43.9 44.2 44.3 0/24 44.1 44.4 44.7 0/24 43.9 44.1 44.2 0/24 44.0 44.2 44.3 0/24 44.6 44.9 45.2 0/24 44.7 44.9 45.2 0/24 44.6 44.9 45.2 0/24 44.7 45.0 45.2 0/24 44.6 45.0 45.5 0/24 44.7 45.2 46.1 0/24 45.9 46.0 46.2 0/24
Mar 30 44.3 44.6 44.9 0/24 44.5 44.7 44.9 0/24 44.2 44.3 44.5 0/24 44.3 44.5 44.6 0/24 44.9 45.1 45.3 0/24 44.9 45.1 45.2 0/24 45.2 45.3 45.4 0/24 45.3 45.4 45.4 0/24 45.2 45.3 45.4 0/24 45.3 45.6 45.9 0/24 44.9 45.4 45.9 0/24
Mar 31 44.7 44.9 45.2 0/24 44.9 45.0 45.3 0/24 44.4 44.6 44.9 0/24 44.6 44.8 45.0 0/24 44.9 45.1 45.2 0/24 44.9 45.1 45.3 0/24 45.2 45.3 45.4 0/24 45.3 45.4 45.5 0/24 45.1 45.3 45.7 0/24 45.2 45.5 46.0 0/24 44.1 44.7 45.3 0/24
>68.05 0 0 0 0/
133		 0 0 0 0/
743		 0 0 0 0/
492		 0 0 0 0/
743		 0 0 0 0/
471		 0 0 0 0/
743		 0 0 0 0/
464		 0 0 0 0/
466		 0 0 0 0/
743		 0 0 0 0/
514		 0 1 1 2/
119

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 >86

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

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