Lower Columbia River Temperature Report for July 2021  
Generated 2021-08-01 06:18:14

  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
07 01 67.5 67.6 67.9 0/24 67.8 68.0 68.2 11/24 68.6 68.8 69.0 24/24 68.4 68.8 69.1 24/24 68.4 68.6 68.7 24/24 68.4 68.6 68.9 24/24 68.8 69.0 69.3 24/24 68.9 69.0 69.3 24/24 68.9 69.1 69.5 24/24 --- --- --- 0/0 65.1 65.6 66.1 0/24
07 02 67.5 67.7 67.8 0/24 67.7 68.0 68.1 12/24 68.8 69.2 69.5 24/24 69.1 69.4 69.6 24/24 68.6 69.0 69.5 24/24 68.5 69.0 69.3 24/24 68.6 68.8 68.9 24/24 68.6 68.8 68.9 24/24 68.6 68.9 69.3 24/24 --- --- --- 0/0 65.4 65.8 66.3 0/24
07 03 67.2 67.6 68.5 2/24 67.6 67.9 68.2 8/24 69.4 69.6 69.8 24/24 69.6 69.7 69.8 24/24 69.6 69.8 70.1 24/24 69.3 69.8 70.1 24/24 68.7 69.0 69.5 24/24 68.7 69.0 69.5 24/24 68.6 69.1 69.5 24/24 --- --- --- 0/0 65.7 66.1 66.6 0/24
07 04 67.2 67.8 68.4 3/24 67.6 68.1 68.4 16/24 69.4 69.6 69.8 24/24 69.7 69.8 69.9 24/24 70.0 70.1 70.2 24/24 69.9 70.1 70.4 24/24 69.2 69.6 70.0 24/24 69.3 69.6 70.1 24/24 69.1 69.6 70.1 24/24 --- --- --- 0/0 66.2 66.5 66.8 0/24
07 05 67.7 68.1 68.6 15/24 68.1 68.5 68.8 24/24 69.7 69.8 70.1 24/24 69.9 70.0 70.1 24/24 69.9 70.1 70.3 24/24 69.8 70.1 70.4 24/24 69.7 69.9 70.2 24/24 69.8 69.9 70.2 24/24 69.4 70.0 70.6 24/24 --- --- --- 0/0 66.7 66.8 67.1 0/24
07 06 68.3 68.8 69.2 24/24 68.7 69.1 69.6 24/24 69.8 70.0 70.4 24/24 70.0 70.2 70.5 24/24 69.9 70.2 70.6 24/24 69.9 70.2 70.7 24/24 69.8 70.2 70.6 24/24 69.8 70.2 70.6 24/24 69.5 70.2 70.7 24/24 --- --- --- 0/0 66.7 67.0 67.5 0/24
07 07 68.5 68.9 69.5 24/24 69.0 69.2 69.6 24/24 70.0 70.1 70.4 24/24 70.1 70.2 70.4 24/24 70.1 70.4 70.6 24/24 70.2 70.5 70.8 24/24 69.9 70.1 70.3 24/24 69.9 70.1 70.3 24/24 69.6 70.1 70.8 24/24 --- --- --- 0/0 67.2 67.4 67.7 0/24
07 08 69.0 69.2 69.4 24/24 69.1 69.3 69.5 24/24 70.0 70.2 70.4 24/24 70.2 70.3 70.4 24/24 69.9 70.1 70.4 24/24 69.9 70.2 70.4 24/24 69.7 70.0 70.3 24/24 69.7 70.0 70.3 24/24 69.7 70.0 70.6 24/24 --- --- --- 0/0 67.2 67.5 67.7 0/24
07 09 69.1 69.3 69.4 24/24 69.2 69.5 69.9 24/24 70.0 70.2 70.3 24/24 70.2 70.4 70.8 24/24 70.1 70.4 70.6 24/24 70.0 70.4 70.9 24/24 69.6 70.1 70.7 24/24 69.6 70.1 70.7 24/24 69.6 70.1 70.9 24/24 --- --- --- 0/0 67.3 67.4 67.7 0/24
07 10 69.2 69.4 69.5 24/24 69.6 69.8 70.0 24/24 70.1 70.2 70.3 24/24 70.2 70.3 70.5 24/24 70.4 70.9 71.4 24/24 70.3 70.9 71.4 24/24 70.0 70.3 70.7 24/24 70.0 70.4 70.7 24/24 70.1 70.5 71.3 24/24 --- --- --- 0/0 67.3 67.6 67.9 0/24
07 11 69.3 69.4 69.8 24/24 69.5 69.9 70.3 24/24 69.9 70.2 70.6 24/24 70.1 70.4 70.6 24/24 70.7 70.9 71.2 24/24 70.8 71.0 71.3 24/24 70.2 70.5 70.9 24/24 70.2 70.5 71.0 24/24 70.0 70.6 71.2 24/24 --- --- --- 0/0 67.7 68.3 69.0 14/24
07 12 69.5 69.7 70.2 24/24 70.0 70.2 70.5 24/24 70.4 70.6 70.8 24/24 70.4 70.6 70.8 24/24 70.5 70.9 71.3 24/24 70.6 70.9 71.3 24/24 70.4 70.8 71.1 24/24 70.4 70.8 71.1 24/24 70.4 70.8 71.1 24/24 --- --- --- 0/0 67.9 68.2 68.5 17/24
07 13 69.9 70.2 70.7 24/24 70.2 70.6 71.0 24/24 70.6 70.9 71.4 24/24 70.6 71.0 71.3 24/24 70.8 71.0 71.3 24/24 70.8 71.1 71.4 24/24 70.6 70.9 71.2 24/24 70.6 70.9 71.3 24/24 70.4 70.9 71.3 24/24 --- --- --- 0/0 68.0 68.2 68.3 23/24
07 14 70.3 70.7 70.9 24/24 70.8 71.1 71.3 24/24 71.2 71.3 71.6 24/24 71.1 71.3 71.5 24/24 71.0 71.2 71.5 24/24 70.9 71.2 71.6 24/24 70.3 70.7 71.0 24/24 70.3 70.7 71.1 24/24 70.4 70.7 71.1 24/24 --- --- --- 0/0 67.7 67.9 68.1 4/24
07 15 70.5 70.6 70.8 24/24 70.6 70.8 71.1 24/24 71.2 71.4 71.6 24/24 71.3 71.5 71.7 24/24 70.9 71.2 71.4 24/24 71.0 71.2 71.5 24/24 70.2 70.5 70.8 24/24 70.2 70.5 70.8 24/24 69.9 70.4 70.8 24/24 --- --- --- 0/0 67.2 67.6 67.9 0/24
07 16 70.0 70.1 70.4 24/24 70.2 70.4 70.6 24/24 71.2 71.4 71.6 24/24 71.4 71.5 71.7 24/24 70.7 70.9 71.1 24/24 70.7 71.0 71.3 24/24 69.9 70.2 70.5 24/24 69.9 70.2 70.5 24/24 69.3 70.2 70.6 24/24 --- --- --- 0/0 67.4 67.6 67.7 0/24
07 17 69.4 69.8 70.1 24/24 69.9 70.0 70.2 24/24 71.3 71.5 71.8 24/24 71.5 71.7 71.9 24/24 70.6 71.1 71.6 24/24 70.6 71.0 71.4 24/24 70.0 70.4 71.0 24/24 70.0 70.4 71.0 24/24 70.1 70.5 71.6 24/24 --- --- --- 0/0 67.2 67.4 67.5 0/24
07 18 69.2 69.4 69.8 24/24 69.5 69.8 69.9 24/24 71.5 71.6 71.8 24/24 71.6 71.8 71.9 24/24 71.2 71.7 72.0 24/24 71.1 71.6 72.1 24/24 70.3 70.7 71.3 24/24 70.3 70.7 71.3 24/24 70.4 70.7 71.3 24/24 --- --- --- 0/0 67.3 67.5 67.9 0/24
07 19 69.2 69.4 69.5 24/24 69.5 69.8 70.1 24/24 71.6 71.7 71.8 24/24 71.6 71.8 71.9 24/24 71.6 71.9 72.3 24/24 71.6 71.9 72.2 24/24 70.7 71.0 71.4 24/24 70.7 71.0 71.4 24/24 70.5 71.0 71.7 24/24 --- --- --- 0/0 67.5 67.8 68.1 5/24
07 20 69.2 69.3 69.5 24/24 69.3 69.6 69.8 24/24 71.4 71.7 71.9 24/24 71.6 71.8 71.9 24/24 71.3 71.6 71.8 24/24 71.5 71.7 72.0 24/24 70.8 71.2 71.6 24/24 70.8 71.2 71.6 24/24 70.8 71.1 71.6 24/24 --- --- --- 0/0 67.5 68.0 68.4 12/24
07 21 69.3 69.4 69.4 22/22 69.3 69.5 69.8 23/23 71.3 71.5 71.7 23/23 71.5 71.6 71.7 23/23 70.9 71.3 71.5 23/23 71.0 71.3 71.5 23/23 70.9 71.0 71.5 23/23 70.9 71.0 71.5 23/23 70.7 71.0 71.3 23/23 --- --- --- 0/0 67.8 68.1 68.3 20/23
07 22 69.3 69.3 69.3 1/1 69.3 69.6 69.9 24/24 71.2 71.4 71.6 13/13 71.3 71.5 71.7 18/18 --- --- --- 0/0 70.6 71.0 71.2 18/18 70.4 70.6 70.9 17/17 --- --- --- 0/0 70.7 70.9 71.2 11/11 --- --- --- 0/0 67.3 67.5 67.7 0/24
07 23 69.4 69.7 70.4 24/24 69.6 69.9 70.1 24/24 71.2 71.4 71.5 24/24 71.3 71.4 71.5 24/24 70.9 71.4 71.7 18/18 70.9 71.3 71.8 24/24 70.1 70.4 70.8 24/24 70.1 70.4 70.8 18/18 70.4 70.6 71.2 24/24 --- --- --- 0/0 67.4 67.6 67.9 0/24
07 24 69.5 69.7 70.1 24/24 69.8 70.0 70.4 24/24 71.3 71.4 71.6 24/24 71.4 71.5 71.7 24/24 71.1 71.5 71.9 24/24 71.2 71.6 72.1 24/24 70.5 70.8 71.2 24/24 70.5 70.8 71.2 24/24 70.3 70.9 72.0 24/24 --- --- --- 0/0 67.8 68.1 68.4 12/24
07 25 69.4 69.8 70.2 24/24 69.9 70.1 70.2 24/24 71.2 71.3 71.5 24/24 71.1 71.3 71.5 24/24 71.5 71.9 72.4 24/24 71.6 72.0 72.5 24/24 70.9 71.2 71.9 24/24 70.9 71.3 71.9 24/24 70.9 71.3 71.7 24/24 --- --- --- 0/0 68.5 68.8 69.1 24/24
07 26 69.6 69.9 70.1 24/24 70.0 70.1 70.2 24/24 71.1 71.5 72.1 24/24 71.0 71.2 71.5 24/24 71.6 71.9 72.1 24/24 71.8 72.0 72.2 24/24 71.4 71.7 72.1 24/24 71.4 71.8 72.1 24/24 71.5 71.8 72.3 24/24 --- --- --- 0/0 68.8 69.1 69.3 24/24
07 27 69.8 70.1 70.4 24/24 70.1 70.2 70.3 24/24 71.3 71.6 71.9 24/24 71.0 71.3 71.5 24/24 71.2 71.5 71.6 24/24 71.5 71.7 71.9 24/24 71.6 71.9 72.1 24/24 71.6 71.9 72.2 24/24 71.7 72.0 72.6 24/24 --- --- --- 0/0 67.9 68.6 69.1 21/24
07 28 70.2 70.5 70.8 24/24 70.2 70.5 70.8 24/24 71.7 72.0 72.1 24/24 71.4 71.6 71.8 24/24 70.9 71.2 71.4 24/24 71.0 71.3 71.6 24/24 71.7 72.0 72.3 24/24 71.7 72.0 72.3 24/24 71.7 72.1 72.7 24/24 --- --- --- 0/0 67.8 68.2 68.7 12/24
07 29 70.5 70.6 70.8 17/17 70.6 70.8 71.2 17/17 71.7 71.8 72.0 14/14 71.4 71.5 71.7 14/14 71.3 71.5 71.9 14/14 71.3 71.5 71.9 14/14 71.7 71.9 72.3 14/14 71.7 71.9 72.3 14/14 72.0 72.1 72.4 14/14 --- --- --- 0/0 68.8 69.1 69.5 17/17
07 30 70.4 70.7 71.3 24/24 70.9 71.1 71.4 24/24 72.0 72.2 72.4 21/21 71.7 72.0 72.2 21/21 71.8 72.1 72.5 21/21 71.9 72.2 72.6 21/21 72.0 72.1 72.3 21/21 72.0 72.1 72.3 21/21 72.1 72.3 72.5 21/21 --- --- --- 0/0 69.5 69.9 70.3 24/24
07 31 70.6 70.8 71.3 24/24 70.6 70.8 71.1 24/24 71.6 72.2 72.4 24/24 71.7 71.9 72.0 24/24 72.1 72.2 72.3 24/24 72.2 72.3 72.5 24/24 71.7 71.8 71.9 24/24 71.7 71.8 72.0 24/24 71.7 71.9 72.1 24/24 --- --- --- 0/0 70.1 70.3 70.6 24/24
>68.05 26 27 29 612/
712
27 28 31 687/
736
31 31 31 719/
719
31 31 31 724/
724
30 30 30 700/
700
31 31 31 724/
724
31 31 31 723/
723
30 30 30 700/
700
31 31 31 717/
717
0 0 0 0/
0
5 12 15 253/
736

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.