Lower Columbia River Temperature Report for March 2019  
Generated Mon Apr 1 06:18:11 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
Mar 1 --- --- --- 0/0 35.5 35.6 35.7 0/24 --- --- --- 0/0 35.9 36.0 36.0 0/24 --- --- --- 0/0 35.8 36.0 36.2 0/24 --- --- --- 0/0 --- --- --- 0/0 35.7 35.9 36.2 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 2 --- --- --- 0/0 35.5 35.6 35.7 0/24 --- --- --- 0/0 35.9 35.9 36.0 0/24 --- --- --- 0/0 36.1 36.1 36.2 0/24 --- --- --- 0/0 --- --- --- 0/0 35.2 35.8 36.8 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 3 --- --- --- 0/0 35.5 35.7 35.9 0/24 --- --- --- 0/0 35.7 35.8 35.9 0/24 --- --- --- 0/0 36.0 36.1 36.2 0/24 --- --- --- 0/0 --- --- --- 0/0 35.0 35.3 35.7 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 4 --- --- --- 0/0 35.6 35.7 35.9 0/24 --- --- --- 0/0 35.5 35.7 35.8 0/24 --- --- --- 0/0 35.9 36.1 36.3 0/24 --- --- --- 0/0 --- --- --- 0/0 35.0 35.3 35.7 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 5 --- --- --- 0/0 35.6 35.6 35.8 0/24 --- --- --- 0/0 35.4 35.4 35.5 0/24 --- --- --- 0/0 35.7 35.8 36.0 0/24 --- --- --- 0/0 --- --- --- 0/0 34.8 35.2 35.7 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 6 --- --- --- 0/0 35.5 35.6 35.7 0/24 --- --- --- 0/0 35.3 35.3 35.4 0/24 --- --- --- 0/0 35.4 35.6 35.7 0/24 --- --- --- 0/0 --- --- --- 0/0 35.0 35.2 35.3 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 7 --- --- --- 0/0 35.4 35.5 35.7 0/24 --- --- --- 0/0 35.3 35.4 35.6 0/24 --- --- --- 0/0 35.4 35.6 35.8 0/24 --- --- --- 0/0 --- --- --- 0/0 35.5 35.7 35.9 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 8 --- --- --- 0/0 35.5 36.0 36.3 0/23 --- --- --- 0/0 35.4 35.5 35.6 0/24 --- --- --- 0/0 35.7 35.9 36.2 0/24 --- --- --- 0/0 --- --- --- 0/0 35.7 35.9 36.1 0/23 --- --- --- 0/0 --- --- --- 0/0
Mar 9 --- --- --- 0/0 36.2 36.3 36.4 0/24 --- --- --- 0/0 35.4 35.5 35.5 0/24 --- --- --- 0/0 36.0 36.1 36.2 0/24 --- --- --- 0/0 --- --- --- 0/0 35.9 36.2 36.8 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 10 --- --- --- 0/0 36.4 36.6 36.8 0/23 --- --- --- 0/0 35.4 35.5 35.6 0/23 --- --- --- 0/0 35.9 36.0 36.1 0/23 --- --- --- 0/0 --- --- --- 0/0 36.0 36.4 36.9 0/23 --- --- --- 0/0 --- --- --- 0/0
Mar 11 --- --- --- 0/0 36.8 37.0 37.2 0/24 --- --- --- 0/0 35.6 35.7 35.9 0/24 --- --- --- 0/0 35.8 36.1 36.3 0/24 --- --- --- 0/0 --- --- --- 0/0 36.1 36.5 36.8 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 12 --- --- --- 0/0 37.0 37.2 37.4 0/24 36.1 36.2 36.3 0/12 35.9 36.2 36.4 0/24 --- --- --- 0/0 36.0 36.4 36.8 0/24 --- --- --- 0/0 --- --- --- 0/0 36.6 36.7 36.8 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 13 --- --- --- 0/0 37.1 37.4 37.6 0/24 36.3 36.5 36.8 0/24 36.4 36.6 36.8 0/24 37.0 37.4 37.7 0/11 36.6 37.0 37.5 0/24 --- --- --- 0/0 --- --- --- 0/0 36.8 37.0 37.3 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 14 --- --- --- 0/0 37.4 37.7 37.9 0/24 36.7 36.9 37.0 0/24 36.7 36.9 37.1 0/24 32.1 37.5 38.3 0/13 37.3 37.6 37.9 0/24 --- --- --- 0/0 37.7 37.8 37.8 0/8 37.2 37.5 38.2 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 15 --- --- --- 0/0 37.8 38.0 38.3 0/24 36.9 37.2 37.5 0/24 37.0 37.2 37.4 0/24 37.9 38.2 38.5 0/14 37.6 37.9 38.2 0/24 37.7 38.0 38.2 0/13 37.8 38.0 38.3 0/24 37.6 38.0 38.6 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 16 --- --- --- 0/0 38.1 38.2 38.4 0/24 37.3 37.4 37.6 0/24 37.3 37.5 37.6 0/24 38.0 38.5 38.9 0/15 37.8 38.1 38.5 0/24 38.0 38.3 38.6 0/24 38.2 38.4 38.7 0/24 38.1 38.4 39.2 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 17 --- --- --- 0/0 38.4 38.8 39.1 0/24 37.5 37.6 37.9 0/24 37.5 37.7 37.9 0/24 38.6 38.9 39.2 0/15 38.2 38.5 38.9 0/24 38.5 38.8 39.2 0/24 38.7 38.9 39.3 0/24 38.6 39.1 40.6 0/24 --- --- --- 0/0 --- --- --- 0/0
Mar 18 --- --- --- 0/0 39.1 39.5 39.8 0/24 37.8 38.0 38.2 0/24 37.8 38.0 38.3 0/24 38.9 39.2 39.5 0/16 38.4 38.8 39.2 0/24 38.9 39.1 39.5 0/24 39.1 39.4 39.6 0/24 39.1 39.6 41.6 0/24 39.8 40.9 41.8 0/12 --- --- --- 0/0
Mar 19 --- --- --- 0/0 39.7 39.9 40.2 0/24 38.2 38.4 38.8 0/24 38.2 38.5 38.8 0/24 39.0 39.3 39.7 0/24 38.7 39.2 39.8 0/24 39.3 39.6 39.9 0/24 39.5 39.8 40.1 0/24 39.5 39.9 41.2 0/24 39.9 40.9 42.0 0/24 --- --- --- 0/0
Mar 20 --- --- --- 0/0 40.1 40.4 40.6 0/24 38.6 39.0 39.4 0/24 38.7 39.0 39.2 0/24 39.3 39.8 40.3 0/24 39.1 39.6 40.2 0/24 39.8 40.0 40.2 0/24 40.0 40.2 40.5 0/24 40.0 40.3 40.9 0/24 40.5 41.6 42.7 0/24 --- --- --- 0/0
Mar 21 --- --- --- 0/0 40.5 40.8 41.1 0/24 39.2 39.5 39.7 0/24 39.2 39.5 39.8 0/24 39.8 40.3 40.7 0/24 39.8 40.3 40.9 0/24 40.0 40.2 40.4 0/24 40.3 40.4 40.5 0/24 40.2 40.4 40.9 0/24 40.7 41.5 43.0 0/24 --- --- --- 0/0
Mar 22 --- --- --- 0/0 41.0 41.3 41.6 0/24 39.6 39.8 40.1 0/24 39.7 39.9 40.2 0/24 40.4 40.9 41.5 0/24 40.3 40.8 41.4 0/24 40.4 40.5 40.9 0/24 40.5 40.6 40.9 0/24 40.3 40.6 40.9 0/24 40.3 40.9 41.4 0/24 41.7 42.7 43.6 0/16
Mar 23 --- --- --- 0/0 41.5 41.7 42.0 0/24 40.0 40.2 40.5 0/24 40.2 40.5 40.8 0/24 41.0 41.3 41.6 0/24 41.0 41.3 41.6 0/24 40.9 41.2 41.6 0/24 41.0 41.3 41.7 0/24 40.9 41.3 41.8 0/24 40.8 41.4 42.4 0/24 42.4 42.8 43.3 0/24
Mar 24 --- --- --- 0/0 42.0 42.2 42.6 0/24 40.5 40.7 41.0 0/24 40.7 41.0 41.3 0/24 41.5 41.9 42.3 0/24 41.4 41.8 42.3 0/24 41.4 41.8 42.2 0/24 41.6 41.9 42.3 0/24 41.5 41.9 42.4 0/24 41.6 42.3 43.4 0/24 42.7 42.9 43.1 0/24
Mar 25 --- --- --- 0/0 42.6 42.8 43.0 0/24 41.0 41.6 42.4 0/24 41.5 41.9 42.4 0/24 42.1 42.2 42.4 0/24 42.0 42.1 42.4 0/24 42.1 42.2 42.2 0/24 42.2 42.3 42.4 0/24 42.1 42.2 42.4 0/24 42.0 42.3 42.5 0/24 41.9 42.2 42.6 0/24
Mar 26 42.8 43.1 43.7 0/10 42.9 43.0 43.3 0/24 41.9 42.1 42.5 0/24 42.0 42.2 42.6 0/24 42.2 42.6 43.0 0/24 42.1 42.5 42.9 0/24 42.2 42.4 42.8 0/24 42.3 42.5 42.9 0/24 42.2 42.5 43.1 0/24 42.2 42.9 44.0 0/24 41.8 42.5 43.4 0/24
Mar 27 43.2 43.6 44.2 0/24 43.3 43.5 43.7 0/24 42.4 42.7 42.9 0/24 42.5 42.7 42.9 0/24 43.0 43.1 43.2 0/24 42.8 42.9 43.1 0/24 42.6 42.7 42.7 0/24 42.8 42.8 42.9 0/24 42.6 42.7 42.9 0/24 42.6 42.9 43.3 0/24 42.7 42.8 43.0 0/24
Mar 28 43.1 43.3 44.5 0/24 43.1 43.4 43.6 0/24 42.8 43.0 43.5 0/24 43.0 43.2 43.5 0/24 43.0 43.3 43.6 0/24 42.8 43.1 43.5 0/24 42.7 42.9 43.3 0/24 42.7 43.0 43.4 0/24 42.6 42.9 43.4 0/24 42.3 43.2 44.5 0/24 42.1 42.7 43.5 0/24
Mar 29 43.8 44.0 44.2 0/24 43.6 44.0 44.2 0/24 33.1 43.2 43.9 0/24 43.5 43.7 43.9 0/24 43.6 43.9 44.2 0/24 43.5 43.8 44.2 0/24 43.3 43.5 43.8 0/24 43.4 43.6 43.9 0/24 43.3 43.7 44.3 0/24 43.1 43.9 45.2 0/24 42.8 43.2 44.0 0/24
Mar 30 43.7 43.9 44.3 0/24 43.9 44.1 44.3 0/24 43.8 43.9 44.0 0/24 43.8 44.0 44.2 0/24 44.2 44.4 44.7 0/24 44.0 44.3 44.7 0/24 43.7 44.0 44.5 0/24 43.8 44.1 44.6 0/24 43.6 44.0 44.6 0/24 43.6 44.5 45.8 0/24 43.1 43.7 44.3 0/24
Mar 31 44.0 44.5 45.6 0/24 44.3 44.5 44.7 0/24 44.0 44.3 45.0 0/24 44.1 44.4 44.9 0/24 44.6 44.8 45.0 0/24 44.4 44.7 45.0 0/24 44.5 44.7 45.1 0/24 44.5 44.8 45.2 0/24 44.5 44.8 45.5 0/24 44.1 45.0 46.3 0/24 43.6 44.3 45.2 0/24
>68.05 0 0 0 0/
130
0 0 0 0/
742
0 0 0 0/
468
0 0 0 0/
743
0 0 0 0/
396
0 0 0 0/
743
0 0 0 0/
397
0 0 0 0/
416
0 0 0 0/
742
0 0 0 0/
324
0 0 0 0/
232

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.