Lower Columbia River Temperature Report for July 2023  
Generated 2023-08-01 13:18:06

  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 66.0 66.3 66.6 0/24 66.2 66.6 67.0 0/24 66.4 66.7 67.0 0/24 66.2 66.5 66.9 0/24 66.3 66.7 67.1 0/24 66.3 66.7 67.2 0/24 66.3 66.7 67.2 0/24 66.4 66.7 67.2 0/24 66.4 66.7 67.3 0/24 --- --- --- 0/0 64.8 65.3 65.6 0/24
07 02 66.3 66.7 67.3 0/24 66.7 67.3 68.0 0/24 67.0 67.4 67.7 0/24 66.9 67.3 67.9 0/24 66.5 66.8 67.3 0/24 66.5 66.9 67.4 0/24 66.5 67.0 67.5 0/24 66.6 67.0 67.6 0/24 66.8 67.0 67.3 0/24 --- --- --- 0/0 64.9 65.1 65.3 0/24
07 03 66.9 67.5 68.6 2/24 67.8 68.0 68.3 13/24 67.7 68.3 68.8 18/24 67.7 68.0 68.8 12/24 67.0 67.6 68.2 7/24 67.1 67.7 68.4 8/24 66.9 67.3 67.7 0/24 66.9 67.3 67.7 0/24 67.1 67.4 67.6 0/24 --- --- --- 0/0 64.8 65.2 65.6 0/24
07 04 67.6 68.1 69.2 11/24 67.9 68.2 68.5 18/24 69.2 69.8 70.3 24/24 68.6 68.8 69.3 24/24 67.9 68.4 68.9 16/24 68.0 68.5 69.1 22/24 67.3 67.7 68.1 4/24 67.3 67.7 68.2 4/24 67.5 67.7 68.1 1/24 --- --- --- 0/0 65.1 65.5 65.9 0/24
07 05 67.7 68.0 68.4 9/24 68.1 68.4 68.7 24/24 69.5 69.9 70.7 24/24 68.9 69.3 69.9 24/24 68.4 68.9 69.5 24/24 68.5 69.1 69.7 24/24 67.8 68.2 68.9 15/24 67.9 68.3 69.0 15/24 67.9 68.2 68.8 12/24 --- --- --- 0/0 65.4 66.0 66.6 0/24
07 06 67.5 67.9 68.6 9/24 68.0 68.2 68.4 22/24 69.3 70.4 71.3 23/23 69.2 69.5 69.9 24/24 69.0 69.5 69.8 24/24 69.1 69.5 70.0 24/24 68.8 69.2 69.7 24/24 68.8 69.2 69.8 24/24 68.7 69.1 69.6 24/24 --- --- --- 0/0 66.1 66.4 66.8 0/24
07 07 67.5 67.8 68.1 4/24 68.2 68.4 68.7 24/24 69.0 69.5 69.8 24/24 68.7 69.0 69.3 24/24 69.5 69.8 70.2 24/24 69.6 69.9 70.4 24/24 69.0 69.4 69.7 24/24 69.0 69.4 69.8 24/24 69.1 69.4 69.6 24/24 --- --- --- 0/0 66.5 67.0 67.4 0/24
07 08 67.6 67.9 68.2 2/24 68.3 68.6 68.9 24/24 68.8 69.5 70.3 24/24 68.6 69.1 69.5 24/24 69.1 69.4 69.7 24/24 69.3 69.5 69.8 24/24 69.0 69.3 69.7 24/24 69.0 69.3 69.7 24/24 69.1 69.3 69.5 24/24 --- --- --- 0/0 67.0 67.5 68.0 0/24
07 09 67.7 68.0 68.2 6/24 68.4 68.6 68.8 24/24 69.7 70.1 70.6 24/24 69.2 69.7 70.3 24/24 68.8 69.2 69.6 24/24 68.9 69.3 69.7 24/24 69.0 69.4 69.8 24/24 69.1 69.4 69.9 24/24 69.2 69.4 69.7 24/24 --- --- --- 0/0 67.6 68.3 69.0 12/24
07 10 67.9 68.1 68.3 16/24 68.4 68.6 69.0 24/24 69.7 70.0 70.3 24/24 69.5 69.8 70.1 24/24 69.1 69.4 69.8 24/24 69.2 69.5 69.7 24/24 68.8 69.1 69.8 24/24 68.8 69.1 69.8 24/24 68.9 69.2 69.5 24/24 --- --- --- 0/0 68.2 68.8 69.4 24/24
07 11 68.4 68.8 69.1 24/24 68.6 69.3 69.7 24/24 69.8 70.1 70.3 24/24 69.9 70.1 70.3 24/24 69.0 69.4 69.9 24/24 69.3 69.5 69.8 24/24 68.6 68.9 69.1 24/24 68.6 68.9 69.1 24/24 68.7 68.9 69.3 24/24 --- --- --- 0/0 68.0 68.4 68.7 21/24
07 12 69.1 69.4 69.8 24/24 69.5 69.8 70.2 24/24 70.1 70.3 70.5 24/24 70.2 70.4 70.6 24/24 69.6 70.2 70.6 24/24 69.6 70.1 70.6 24/24 68.7 69.1 69.7 24/24 68.7 69.1 69.7 24/24 68.8 69.1 69.7 24/24 --- --- --- 0/0 67.7 67.9 68.1 3/24
07 13 69.3 69.5 69.8 24/24 69.7 70.0 70.3 24/24 70.4 70.5 70.7 24/24 70.4 70.6 70.7 24/24 70.2 70.6 71.0 24/24 70.2 70.6 71.1 24/24 69.3 69.7 70.2 24/24 69.4 69.8 70.2 24/24 69.3 69.7 70.2 24/24 --- --- --- 0/0 67.6 67.8 68.0 0/24
07 14 69.7 69.9 70.5 24/24 70.2 70.4 70.6 24/24 70.4 70.6 71.0 24/24 70.5 70.6 70.8 24/24 70.5 70.8 71.2 24/24 70.5 70.9 71.4 24/24 69.8 70.3 71.0 24/24 69.8 70.3 71.0 24/24 69.9 70.3 70.8 24/24 --- --- --- 0/0 67.8 68.1 68.3 12/24
07 15 69.5 69.7 70.8 24/24 70.1 70.3 70.5 24/24 70.7 70.8 71.0 24/24 70.6 70.7 70.9 24/24 70.8 71.1 71.3 24/24 70.8 71.2 71.7 24/24 70.6 71.1 71.7 24/24 70.6 71.1 71.8 24/24 70.6 71.0 71.6 24/24 --- --- --- 0/0 67.6 67.9 68.3 6/24
07 16 69.6 69.7 70.1 24/24 70.2 70.4 70.5 24/24 70.6 70.7 70.9 24/24 70.4 70.6 70.8 24/24 71.0 71.3 71.8 24/24 71.1 71.4 71.8 24/24 71.2 71.5 71.9 24/24 71.2 71.5 71.9 24/24 71.2 71.5 71.9 24/24 --- --- --- 0/0 67.6 67.8 68.0 0/24
07 17 69.8 70.0 70.3 24/24 70.0 70.4 70.9 24/24 70.3 70.6 71.0 24/24 70.3 70.6 71.0 24/24 70.3 70.8 71.0 24/24 70.6 71.0 71.2 24/24 70.9 71.1 71.7 24/24 70.9 71.2 71.8 24/24 71.1 71.2 71.6 24/24 --- --- --- 0/0 67.3 67.5 67.7 0/24
07 18 70.0 70.2 70.5 24/24 70.5 70.7 70.9 24/24 70.8 71.0 71.7 24/24 70.8 71.2 71.8 24/24 70.0 70.4 71.1 24/24 70.1 70.5 71.1 24/24 70.8 71.2 71.7 24/24 70.8 71.2 71.7 24/24 70.9 71.2 71.6 24/24 --- --- --- 0/0 66.8 66.9 67.2 0/24
07 19 69.8 70.0 70.5 24/24 70.5 70.7 71.0 24/24 71.3 72.0 72.5 24/24 71.7 72.1 72.8 24/24 70.8 71.5 71.9 24/24 70.9 71.5 72.2 24/24 71.1 71.4 71.9 24/24 71.1 71.5 71.9 24/24 71.2 71.5 71.7 24/24 --- --- --- 0/0 66.5 66.9 67.3 0/24
07 20 69.6 69.9 70.9 24/24 70.2 70.4 70.6 24/24 72.1 72.4 72.6 24/24 71.9 72.3 72.5 24/24 71.7 72.2 72.7 24/24 71.7 72.2 72.7 24/24 71.0 71.3 71.7 24/24 71.0 71.3 71.8 24/24 71.2 71.4 71.7 24/24 --- --- --- 0/0 67.0 67.6 68.1 11/24
07 21 69.3 69.6 70.2 24/24 69.9 70.2 70.4 24/24 71.7 72.0 72.4 24/24 71.7 72.0 72.2 24/24 72.1 72.5 72.7 24/24 72.2 72.5 72.9 24/24 70.9 71.3 72.0 24/24 71.0 71.5 72.1 24/24 71.0 71.4 71.8 24/24 --- --- --- 0/0 67.9 68.4 68.8 17/24
07 22 69.4 69.6 69.9 24/24 69.7 70.2 70.4 24/24 72.0 72.2 72.4 24/24 72.1 72.2 72.3 24/24 71.8 72.1 72.5 24/24 71.9 72.2 72.5 24/24 71.5 71.9 72.4 24/24 71.6 72.0 72.5 24/24 71.6 71.9 72.2 24/24 --- --- --- 0/0 68.3 68.5 68.7 24/24
07 23 69.6 69.9 70.2 24/24 70.3 70.6 70.8 24/24 72.0 72.1 72.3 24/24 72.0 72.2 72.3 24/24 72.0 72.4 72.9 24/24 72.0 72.4 72.8 24/24 72.1 72.4 72.8 24/24 72.2 72.5 72.9 24/24 72.1 72.4 72.7 24/24 --- --- --- 0/0 68.4 68.7 69.0 24/24
07 24 69.9 70.0 70.6 24/24 70.2 70.5 70.6 24/24 71.9 72.0 72.1 24/24 71.9 72.0 72.1 24/24 71.9 72.3 72.5 24/24 72.1 72.3 72.6 24/24 71.9 72.1 72.8 24/24 72.0 72.3 72.9 24/24 71.9 72.3 72.6 24/24 --- --- --- 0/0 68.6 68.8 69.0 24/24
07 25 70.3 70.4 70.6 24/24 70.7 70.9 71.1 24/24 71.9 72.1 72.3 24/24 72.1 72.2 72.3 24/24 71.4 71.8 72.1 24/24 71.6 71.8 72.1 24/24 71.4 71.6 71.9 24/24 71.5 71.7 72.0 24/24 71.6 71.7 71.9 24/24 --- --- --- 0/0 68.1 68.5 68.7 24/24
07 26 70.2 70.5 70.7 24/24 70.7 70.9 71.2 24/24 72.0 72.2 72.4 24/24 72.1 72.3 72.4 24/24 71.7 72.0 72.4 24/24 71.6 72.0 72.4 24/24 71.5 71.8 72.1 24/24 71.6 71.9 72.2 24/24 71.5 71.8 72.1 24/24 --- --- --- 0/0 68.1 68.5 68.8 24/24
07 27 70.0 70.3 70.8 24/24 70.5 70.9 71.1 24/24 72.1 72.1 72.3 24/24 72.1 72.2 72.3 24/24 71.9 72.2 72.5 24/24 71.8 72.1 72.5 24/24 71.3 71.5 72.0 24/24 71.3 71.6 72.1 24/24 71.5 71.7 72.0 24/24 --- --- --- 0/0 68.2 68.4 68.7 24/24
07 28 70.0 70.1 70.3 24/24 70.4 70.6 70.8 24/24 71.9 72.0 72.2 24/24 71.9 72.1 72.2 24/24 71.9 72.1 72.4 24/24 71.8 72.1 72.5 24/24 71.1 71.5 71.9 24/24 71.2 71.6 72.0 24/24 71.1 71.5 71.9 24/24 --- --- --- 0/0 68.5 68.7 68.9 24/24
07 29 69.9 70.1 70.7 24/24 70.4 70.6 70.8 24/24 71.6 71.8 71.9 24/24 71.7 71.8 71.9 24/24 71.7 72.1 72.4 24/24 71.8 72.1 72.4 24/24 71.2 71.6 71.9 24/24 71.3 71.7 72.0 24/24 71.3 71.6 71.9 24/24 --- --- --- 0/0 68.5 68.7 68.9 24/24
07 30 69.9 70.0 70.1 24/24 70.2 70.4 70.7 24/24 71.4 71.6 71.9 24/24 71.5 71.6 71.7 24/24 71.4 71.6 71.9 24/24 71.5 71.7 71.9 24/24 71.1 71.4 71.8 24/24 71.2 71.5 71.9 24/24 71.3 71.5 71.6 24/24 --- --- --- 0/0 68.1 68.6 69.2 24/24
07 31 70.1 70.5 70.8 24/24 70.4 70.8 71.0 24/24 71.2 71.3 71.5 24/24 71.3 71.4 71.5 24/24 71.0 71.4 71.8 24/24 71.1 71.4 71.7 24/24 71.0 71.3 71.6 24/24 71.1 71.4 71.7 24/24 71.2 71.4 71.6 24/24 --- --- --- 0/0 68.2 68.5 68.6 24/24
>68.05 21 23 29 563/
744
26 28 29 677/
744
28 29 29 689/
743
28 28 29 684/
744
27 28 29 671/
744
27 28 29 678/
744
26 27 28 643/
744
26 27 28 643/
744
26 27 28 637/
744
0 0 0 0/
0
11 15 18 346/
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.