Lower Columbia River Temperature Report for September 2019  
Generated Tue Oct 1 06:18:24 2019

  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
Sep 1 70.3 70.4 70.7 24/24 70.4 70.6 70.9 24/24 71.6 71.7 71.9 24/24 71.6 71.7 71.9 24/24 71.4 71.7 72.0 24/24 71.6 71.8 71.9 24/24 71.6 71.8 72.0 24/24 71.6 71.8 72.0 24/24 71.6 71.8 72.2 24/24 71.6 72.2 72.8 24/24 69.0 69.5 70.1 24/24
Sep 2 70.1 70.3 70.3 24/24 70.2 70.6 70.8 24/24 71.5 71.7 72.0 24/24 71.6 71.8 72.0 24/24 71.5 71.7 71.9 24/24 71.7 71.9 72.0 24/24 71.8 71.9 72.0 24/24 71.6 71.9 72.2 24/24 71.6 71.9 72.7 24/24 71.7 72.2 72.7 24/24 69.5 69.9 70.3 24/24
Sep 3 70.3 70.4 70.8 24/24 70.5 70.7 70.9 24/24 71.8 71.8 71.9 24/24 71.8 71.9 72.0 24/24 71.4 71.7 71.9 24/24 71.7 71.7 71.9 24/24 71.6 71.7 71.9 24/24 71.6 71.8 72.0 24/24 71.3 71.8 72.4 24/24 71.8 72.3 72.8 24/24 69.5 69.8 70.3 24/24
Sep 4 70.5 70.8 71.2 24/24 70.6 71.0 71.3 24/24 71.7 71.8 72.2 24/24 71.7 71.9 72.2 24/24 71.4 71.6 71.8 24/24 71.6 71.8 71.9 24/24 71.4 71.6 71.8 24/24 71.4 71.6 71.8 24/24 71.2 71.6 72.2 24/24 71.5 71.9 72.4 24/24 69.2 69.6 69.9 24/24
Sep 5 70.6 71.0 72.0 24/24 70.8 71.1 71.5 24/24 71.9 72.1 72.8 24/24 71.9 72.1 72.2 24/24 71.4 71.7 71.9 24/24 71.6 71.8 71.9 24/24 71.5 71.6 71.7 24/24 71.4 71.6 71.8 24/24 71.2 71.6 72.4 24/24 71.1 71.7 72.2 24/24 69.2 69.5 69.9 24/24
Sep 6 71.0 71.3 71.5 24/24 71.0 71.2 71.3 24/24 72.0 72.2 72.7 24/24 72.1 72.2 72.3 24/24 71.6 71.9 72.1 24/24 71.9 72.0 72.2 24/24 71.4 71.5 71.7 24/24 71.3 71.5 71.8 24/24 71.2 71.5 72.0 24/24 71.7 72.0 72.3 24/24 69.3 69.6 70.1 24/24
Sep 7 70.8 71.2 71.8 24/24 71.0 71.2 71.4 24/24 72.2 72.4 72.7 24/24 72.1 72.3 72.5 24/24 71.9 72.1 72.2 24/24 71.9 72.1 72.3 24/24 71.5 71.6 71.6 24/24 71.3 71.5 71.7 24/24 71.0 71.4 71.6 24/24 71.0 71.4 72.2 24/24 69.7 69.9 70.0 24/24
Sep 8 70.5 70.8 71.2 24/24 70.4 70.8 71.3 24/24 71.8 72.0 72.4 24/24 71.8 71.9 72.1 24/24 71.5 71.8 72.1 24/24 71.6 71.9 72.1 24/24 70.9 71.1 71.5 24/24 70.8 71.1 71.3 24/24 70.7 71.1 71.5 24/24 70.6 70.9 71.0 24/24 69.4 69.7 70.0 24/24
Sep 9 70.3 70.4 70.5 24/24 70.3 70.4 70.6 24/24 71.7 71.8 72.0 24/24 71.8 71.9 72.0 24/24 70.9 71.2 71.5 24/24 71.2 71.5 71.6 24/24 70.6 70.7 70.9 24/24 70.4 70.6 70.7 24/24 70.1 70.6 70.9 24/24 70.2 70.5 71.0 24/24 68.6 68.9 69.3 24/24
Sep 10 70.2 70.3 70.4 24/24 70.2 70.4 70.6 24/24 71.7 71.8 71.9 24/24 71.7 71.8 71.9 24/24 70.8 70.9 71.1 24/24 70.8 71.0 71.1 24/24 70.6 70.6 70.7 24/24 70.4 70.5 70.8 24/24 70.3 70.6 71.2 24/24 70.1 70.2 70.4 24/24 68.3 68.6 68.8 24/24
Sep 11 70.1 70.2 70.2 10/10 70.0 70.2 70.6 24/24 71.4 71.5 71.6 24/24 71.4 71.6 71.7 24/24 70.8 70.8 70.9 24/24 70.6 70.9 71.1 24/24 70.4 70.6 70.6 24/24 70.3 70.5 70.8 24/24 70.2 70.6 71.1 24/24 70.0 70.4 70.7 24/24 68.2 68.5 68.7 24/24
Sep 12 --- --- --- 0/0 70.0 70.1 70.4 24/24 71.3 71.4 71.5 24/24 71.4 71.5 71.6 24/24 70.6 70.8 71.2 24/24 70.7 70.9 71.0 24/24 70.4 70.6 70.7 24/24 70.2 70.5 70.8 24/24 70.3 70.6 71.0 24/24 69.9 70.5 71.0 24/24 68.0 68.2 68.4 7/10
Sep 13 --- --- --- 0/0 69.5 69.8 70.1 24/24 71.1 71.2 71.3 24/24 71.1 71.3 71.4 24/24 70.7 70.9 71.1 24/24 70.8 70.9 71.0 24/24 70.2 70.3 70.6 24/24 70.2 70.3 70.5 24/24 70.1 70.4 70.8 24/24 70.3 70.7 71.1 24/24 --- --- --- 0/0
Sep 14 --- --- --- 0/0 69.4 69.6 69.9 24/24 70.8 70.9 71.1 24/24 70.9 71.0 71.1 24/24 70.5 70.7 71.0 24/24 70.6 70.9 71.1 24/24 70.1 70.2 70.2 24/24 69.9 70.1 70.4 24/24 69.8 70.1 70.6 24/24 70.4 70.6 70.8 24/24 --- --- --- 0/0
Sep 15 --- --- --- 0/0 69.2 69.4 69.7 24/24 70.5 70.7 70.8 24/24 70.5 70.7 70.8 24/24 69.9 70.2 70.5 24/24 70.1 70.3 70.5 24/24 69.7 70.0 70.3 24/24 69.6 69.9 70.1 24/24 69.6 69.9 70.1 24/24 69.2 69.8 70.4 24/24 --- --- --- 0/0
Sep 16 --- --- --- 0/0 69.1 69.2 69.3 24/24 70.4 70.4 70.5 18/18 70.4 70.5 70.6 24/24 69.4 69.8 70.0 24/24 69.7 69.9 70.1 24/24 69.4 69.5 69.7 24/24 69.3 69.4 69.6 24/24 69.0 69.4 69.7 24/24 69.0 69.1 69.3 12/12 --- --- --- 0/0
Sep 17 --- --- --- 0/0 68.6 68.8 69.0 24/24 --- --- --- 0/0 70.2 70.2 70.3 24/24 69.0 69.2 69.4 11/11 69.0 69.2 69.6 24/24 69.1 69.3 69.5 14/14 69.1 69.2 69.3 17/17 68.8 69.0 69.3 24/24 --- --- --- 0/0 --- --- --- 0/0
Sep 18 --- --- --- 0/0 68.3 68.5 68.8 24/24 --- --- --- 0/0 69.9 70.1 70.1 24/24 --- --- --- 0/0 69.0 69.1 69.2 24/24 --- --- --- 0/0 --- --- --- 0/0 68.5 68.8 69.2 24/24 --- --- --- 0/0 --- --- --- 0/0
Sep 19 --- --- --- 0/0 68.0 68.2 68.5 23/24 --- --- --- 0/0 69.5 69.7 69.8 24/24 --- --- --- 0/0 69.0 69.1 69.2 24/24 --- --- --- 0/0 --- --- --- 0/0 68.4 68.6 68.9 24/24 --- --- --- 0/0 --- --- --- 0/0
Sep 20 --- --- --- 0/0 67.6 67.9 68.1 4/24 --- --- --- 0/0 69.1 69.3 69.5 24/24 --- --- --- 0/0 68.6 68.9 69.0 24/24 --- --- --- 0/0 --- --- --- 0/0 67.7 68.1 68.4 19/24 --- --- --- 0/0 --- --- --- 0/0
Sep 21 --- --- --- 0/0 67.1 67.3 67.5 0/24 --- --- --- 0/0 68.9 69.0 69.1 24/24 --- --- --- 0/0 68.3 68.4 68.7 24/24 --- --- --- 0/0 --- --- --- 0/0 67.4 67.7 68.2 4/24 --- --- --- 0/0 --- --- --- 0/0
Sep 22 --- --- --- 0/0 66.8 67.0 67.1 0/24 --- --- --- 0/0 68.7 68.8 68.9 24/24 --- --- --- 0/0 67.9 68.1 68.2 13/24 --- --- --- 0/0 --- --- --- 0/0 67.1 67.3 67.6 0/24 --- --- --- 0/0 --- --- --- 0/0
Sep 23 --- --- --- 0/0 66.7 66.8 67.0 0/24 --- --- --- 0/0 68.3 68.5 68.7 24/24 --- --- --- 0/0 67.7 67.9 68.0 0/24 --- --- --- 0/0 --- --- --- 0/0 67.0 67.2 67.5 0/24 --- --- --- 0/0 --- --- --- 0/0
Sep 24 --- --- --- 0/0 66.5 66.6 66.8 0/24 --- --- --- 0/0 68.1 68.3 68.4 24/24 --- --- --- 0/0 67.3 67.5 67.7 0/24 --- --- --- 0/0 --- --- --- 0/0 66.8 67.1 67.7 0/24 --- --- --- 0/0 --- --- --- 0/0
Sep 25 --- --- --- 0/0 66.3 66.5 66.8 0/24 --- --- --- 0/0 67.8 68.0 68.1 6/24 --- --- --- 0/0 66.8 67.1 67.3 0/24 --- --- --- 0/0 --- --- --- 0/0 66.6 67.0 67.6 0/24 --- --- --- 0/0 --- --- --- 0/0
Sep 26 --- --- --- 0/0 66.1 66.3 66.4 0/24 --- --- --- 0/0 67.4 67.7 67.8 0/24 --- --- --- 0/0 67.0 67.1 67.3 0/24 --- --- --- 0/0 --- --- --- 0/0 66.3 66.5 66.7 0/24 --- --- --- 0/0 --- --- --- 0/0
Sep 27 --- --- --- 0/0 65.7 65.9 66.0 0/24 --- --- --- 0/0 67.0 67.2 67.4 0/24 --- --- --- 0/0 66.6 66.8 67.0 0/24 --- --- --- 0/0 --- --- --- 0/0 65.5 65.9 66.2 0/24 --- --- --- 0/0 --- --- --- 0/0
Sep 28 --- --- --- 0/0 64.9 65.2 65.6 0/24 --- --- --- 0/0 66.5 66.7 67.0 0/24 --- --- --- 0/0 65.5 66.0 66.5 0/24 --- --- --- 0/0 --- --- --- 0/0 65.1 65.4 65.9 0/24 --- --- --- 0/0 --- --- --- 0/0
Sep 29 --- --- --- 0/0 64.3 64.6 64.9 0/24 --- --- --- 0/0 66.0 66.2 66.4 0/24 --- --- --- 0/0 64.9 65.1 65.4 0/24 --- --- --- 0/0 --- --- --- 0/0 63.7 64.5 65.0 0/24 --- --- --- 0/0 --- --- --- 0/0
Sep 30 --- --- --- 0/0 63.8 64.1 64.3 0/24 --- --- --- 0/0 65.7 65.8 65.9 0/24 --- --- --- 0/0 64.7 64.9 65.1 0/24 --- --- --- 0/0 --- --- --- 0/0 62.5 63.3 63.8 0/24 --- --- --- 0/0 --- --- --- 0/0
>68.05 11 11 11 250/
250		 18 19 20 459/
720		 16 16 16 378/
378		 24 24 25 582/
720		 17 17 17 395/
395		 21 22 22 517/
720		 17 17 17 398/
398		 17 17 17 401/
401		 19 20 21 479/
720		 16 16 16 372/
372		 11 12 12 271/
274

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.