Lower Columbia River Temperature Report for May 2021  
Generated 2021-06-01 06:18:05

  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
05 01 52.3 52.5 52.6 0/24 52.7 52.9 53.3 0/24 --- --- --- 0/0 53.9 54.0 54.1 0/24 --- --- --- 0/0 54.3 54.6 55.0 0/24 --- --- --- 0/0 54.4 54.7 55.0 0/24 54.4 54.7 55.0 0/24 --- --- --- 0/0 50.5 50.9 51.5 0/24
05 02 52.3 52.7 53.1 0/24 52.7 53.1 53.6 0/24 --- --- --- 0/0 53.9 54.0 54.1 0/24 --- --- --- 0/0 54.5 54.6 54.8 0/24 --- --- --- 0/0 54.7 54.9 55.0 0/24 54.6 55.0 55.5 0/24 --- --- --- 0/0 50.7 51.1 51.6 0/24
05 03 52.8 53.1 53.4 0/24 53.3 53.5 53.8 0/24 --- --- --- 0/0 54.1 54.3 54.4 0/24 --- --- --- 0/0 54.4 54.6 54.9 0/24 --- --- --- 0/0 54.7 54.8 55.0 0/24 54.7 54.9 55.1 0/24 --- --- --- 0/0 50.8 51.0 51.4 0/24
05 04 53.0 53.5 53.7 0/24 53.2 53.7 54.1 0/24 --- --- --- 0/0 54.4 54.5 54.6 0/24 --- --- --- 0/0 54.7 55.0 55.1 0/24 --- --- --- 0/0 54.7 55.0 55.5 0/24 54.8 55.2 55.8 0/24 --- --- --- 0/0 50.6 50.9 51.2 0/24
05 05 53.6 54.2 54.9 0/24 53.9 54.3 54.8 0/24 --- --- --- 0/0 54.7 55.2 55.9 0/24 --- --- --- 0/0 55.1 55.3 55.4 0/24 --- --- --- 0/0 54.9 55.3 55.7 0/24 55.0 55.4 55.7 0/24 --- --- --- 0/0 50.7 50.9 51.0 0/24
05 06 53.6 53.8 54.0 0/24 53.6 54.0 54.5 0/24 --- --- --- 0/0 55.0 55.2 55.7 0/24 --- --- --- 0/0 55.3 55.7 55.9 0/24 --- --- --- 0/0 55.3 55.5 55.8 0/24 55.3 55.6 55.8 0/24 --- --- --- 0/0 50.8 51.0 51.3 0/24
05 07 53.3 53.6 53.9 0/24 53.4 53.7 53.9 0/24 --- --- --- 0/0 55.0 55.1 55.2 0/24 --- --- --- 0/0 55.2 55.5 55.7 0/24 --- --- --- 0/0 55.3 55.5 55.7 0/24 55.3 55.5 55.7 0/24 --- --- --- 0/0 50.7 51.0 51.4 0/24
05 08 52.6 52.9 53.3 0/24 52.9 53.1 53.3 0/24 --- --- --- 0/0 55.1 55.2 55.3 0/24 --- --- --- 0/0 55.1 55.2 55.3 0/24 --- --- --- 0/0 55.3 55.4 55.6 0/24 55.2 55.5 55.7 0/24 --- --- --- 0/0 50.2 50.6 50.9 0/24
05 09 52.7 53.1 53.3 0/24 53.0 53.3 53.5 0/24 --- --- --- 0/0 55.3 55.4 55.6 0/24 --- --- --- 0/0 55.2 55.5 55.7 0/24 --- --- --- 0/0 54.8 55.2 55.6 0/24 55.0 55.3 55.5 0/24 --- --- --- 0/0 50.8 51.1 51.5 0/24
05 10 52.9 53.3 53.9 0/24 53.3 53.5 53.7 0/24 --- --- --- 0/0 55.4 55.6 55.7 0/24 --- --- --- 0/0 55.8 56.0 56.1 0/24 --- --- --- 0/0 55.3 55.7 56.2 0/24 55.3 55.7 56.3 0/24 --- --- --- 0/0 50.9 51.3 51.7 0/24
05 11 53.4 53.8 54.6 0/24 53.8 54.1 54.2 0/24 --- --- --- 0/0 55.5 55.7 56.1 0/24 --- --- --- 0/0 56.1 56.2 56.3 0/24 --- --- --- 0/0 55.9 56.4 56.9 0/24 55.9 56.4 57.1 0/24 --- --- --- 0/0 51.2 51.5 51.8 0/24
05 12 54.0 54.3 55.0 0/24 54.1 54.4 54.8 0/24 --- --- --- 0/0 55.6 55.8 55.9 0/24 --- --- --- 0/0 56.3 56.5 56.6 0/24 --- --- --- 0/0 56.5 56.9 57.4 0/24 56.4 57.0 57.9 0/24 --- --- --- 0/0 51.0 51.4 51.8 0/24
05 13 54.2 54.8 55.6 0/24 54.5 54.8 55.2 0/24 --- --- --- 0/0 55.6 56.0 56.4 0/24 --- --- --- 0/0 56.4 56.6 56.7 0/24 --- --- --- 0/0 56.8 57.2 57.7 0/24 56.8 57.3 58.0 0/24 --- --- --- 0/0 51.1 51.6 52.2 0/24
05 14 53.9 54.4 55.8 0/24 54.4 54.6 54.9 0/24 --- --- --- 0/0 56.1 56.3 56.5 0/24 --- --- --- 0/0 56.5 56.8 57.0 0/24 --- --- --- 0/0 57.1 57.5 58.0 0/24 57.2 57.7 58.2 0/24 --- --- --- 0/0 51.8 52.2 52.6 0/24
05 15 54.0 54.5 55.0 0/24 54.3 54.8 55.3 0/24 --- --- --- 0/0 56.0 56.3 56.5 0/24 --- --- --- 0/0 56.9 57.1 57.3 0/24 --- --- --- 0/0 57.2 57.6 58.0 0/24 57.3 57.8 58.1 0/24 --- --- --- 0/0 52.4 52.8 53.4 0/24
05 16 54.5 54.8 55.4 0/24 55.0 55.1 55.2 0/24 --- --- --- 0/0 56.5 56.8 57.1 0/24 --- --- --- 0/0 57.0 57.2 57.4 0/24 --- --- --- 0/0 57.5 57.9 58.4 0/24 57.6 58.0 58.5 0/24 --- --- --- 0/0 53.1 53.4 53.7 0/24
05 17 54.9 55.3 55.9 0/24 55.2 55.6 55.9 0/24 --- --- --- 0/0 56.8 56.9 57.2 0/24 --- --- --- 0/0 57.4 57.6 57.9 0/24 --- --- --- 0/0 57.6 57.9 58.3 0/24 57.8 58.0 58.3 0/24 --- --- --- 0/0 53.7 54.0 54.4 0/24
05 18 55.5 55.7 55.8 0/24 55.5 55.7 56.1 0/24 56.9 57.0 57.1 0/12 56.9 57.1 57.2 0/24 --- --- --- 0/0 57.3 57.5 57.7 0/24 --- --- --- 0/0 57.5 57.7 58.0 0/24 57.6 57.8 58.1 0/24 --- --- --- 0/0 53.8 54.3 54.6 0/24
05 19 55.8 55.9 56.0 0/24 55.8 56.0 56.4 0/24 56.9 57.1 57.3 0/24 57.1 57.2 57.3 0/24 57.4 57.6 57.8 0/13 57.3 57.4 57.5 0/24 --- --- --- 0/0 57.2 57.4 57.8 0/24 57.4 57.6 57.8 0/24 --- --- --- 0/0 53.6 53.9 54.2 0/24
05 20 55.5 56.0 56.3 0/24 55.8 56.1 56.6 0/24 56.8 56.9 57.0 0/24 56.9 57.0 57.1 0/24 57.2 57.4 57.6 0/24 57.0 57.2 57.4 0/24 56.9 57.1 57.3 0/14 56.9 57.1 57.4 0/24 56.9 57.1 57.3 0/24 --- --- --- 0/0 53.5 53.7 54.0 0/24
05 21 55.1 55.4 55.6 0/24 55.4 55.6 55.9 0/24 56.7 56.8 56.9 0/24 56.8 56.9 57.0 0/24 57.0 57.2 57.4 0/24 57.0 57.1 57.3 0/24 56.9 57.1 57.3 0/24 56.9 57.1 57.4 0/24 56.8 57.1 57.4 0/24 --- --- --- 0/0 53.6 53.9 54.4 0/24
05 22 55.2 55.2 55.5 0/24 55.2 55.3 55.5 0/24 56.6 56.8 57.0 0/24 56.6 56.8 56.9 0/24 57.3 57.4 57.5 0/24 57.1 57.2 57.3 0/24 56.8 57.1 57.4 0/24 56.8 57.1 57.4 0/24 56.9 57.2 57.4 0/24 --- --- --- 0/0 53.8 54.2 54.5 0/24
05 23 55.0 55.2 55.4 0/24 55.2 55.4 55.7 0/24 56.5 56.6 56.8 0/24 56.6 56.7 56.8 0/24 57.0 57.2 57.3 0/24 57.0 57.0 57.1 0/24 56.9 57.0 57.2 0/24 56.9 57.1 57.2 0/24 57.0 57.1 57.2 0/24 --- --- --- 0/0 53.9 54.4 55.0 0/24
05 24 55.0 55.2 55.4 0/24 55.1 55.3 55.5 0/24 56.7 56.9 57.1 0/24 56.8 57.0 57.1 0/24 57.2 57.3 57.5 0/24 56.9 57.1 57.4 0/24 56.9 57.1 57.2 0/24 56.9 57.1 57.3 0/24 57.0 57.1 57.3 0/24 --- --- --- 0/0 54.6 54.7 54.9 0/24
05 25 55.4 55.6 55.7 0/24 55.3 55.8 56.2 0/24 57.0 57.3 57.5 0/24 57.2 57.4 57.6 0/24 57.5 57.9 58.1 0/24 57.2 57.6 57.9 0/24 57.1 57.4 57.7 0/24 57.1 57.4 57.8 0/24 57.2 57.5 57.8 0/24 --- --- --- 0/0 54.4 54.7 55.0 0/24
05 26 55.7 56.3 56.9 0/24 55.9 56.6 57.4 0/24 57.3 57.5 57.7 0/24 57.5 57.6 57.7 0/24 58.0 58.2 58.4 0/24 57.7 58.0 58.2 0/24 57.6 57.9 58.4 0/24 57.6 58.0 58.5 0/24 57.6 58.1 58.5 0/24 --- --- --- 0/0 54.4 54.7 54.8 0/24
05 27 56.7 57.1 57.6 0/24 56.9 57.4 57.7 0/24 57.0 57.3 57.6 0/24 57.1 57.5 57.8 0/24 58.4 58.5 58.6 0/24 58.1 58.3 58.5 0/24 58.1 58.3 58.6 0/24 58.2 58.4 58.6 0/24 58.2 58.4 58.6 0/24 --- --- --- 0/0 54.0 54.5 54.8 0/24
05 28 56.7 56.9 57.4 0/24 56.8 57.2 57.5 0/24 56.9 57.1 57.4 0/24 57.1 57.3 57.4 0/24 58.0 58.1 58.4 0/24 57.7 58.0 58.1 0/24 57.8 58.2 58.7 0/24 57.8 58.2 58.8 0/24 58.0 58.4 58.8 0/24 --- --- --- 0/0 53.7 54.2 54.6 0/24
05 29 56.6 57.0 58.7 0/24 57.1 57.4 58.0 0/24 57.3 57.8 59.2 0/24 57.4 57.8 58.4 0/24 58.0 58.2 58.4 0/24 57.7 58.0 58.4 0/24 58.4 58.7 59.1 0/24 58.4 58.7 59.1 0/24 58.4 58.8 59.2 0/24 --- --- --- 0/0 54.4 54.7 55.1 0/24
05 30 56.9 57.1 57.4 0/24 57.1 57.5 58.1 0/24 58.1 58.4 59.6 0/24 58.0 58.2 58.6 0/24 58.5 58.7 59.0 0/24 58.1 58.5 58.8 0/24 58.4 58.7 59.1 0/24 58.4 58.7 59.1 0/24 58.7 59.0 59.3 0/24 --- --- --- 0/0 55.0 55.2 55.7 0/24
05 31 57.1 57.4 58.3 0/24 57.7 57.8 58.1 0/24 58.4 58.8 59.5 0/24 58.3 58.6 58.9 0/24 59.0 59.2 59.5 0/24 58.7 59.0 59.2 0/24 58.7 59.2 59.8 0/24 58.7 59.2 59.8 0/24 58.9 59.3 60.1 0/24 --- --- --- 0/0 55.7 56.0 56.8 0/24
>68.05 0 0 0 0/
744		 0 0 0 0/
744		 0 0 0 0/
324		 0 0 0 0/
744		 0 0 0 0/
301		 0 0 0 0/
744		 0 0 0 0/
278		 0 0 0 0/
744		 0 0 0 0/
744		 0 0 0 0/
0		 0 0 0 0/
744

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.