Lower Snake River Temperature Report for December 2019  
Generated Wed Jan 1 06:18:07 2020

  Anatone - Snake River Near Anatone (ANQW) Lower Granite Dam forebay (LWG) Lower Granite tailwater - Snake R. below dam (LGNW) Little Goose Dam forebay (LGSA) Little Goose Dam tailwater (Snake R. below Little Goose) (LGSW) Lower Monumental Dam forebay on Snake River (LMNA) Lower Monumental tailwater below the dam on Snake River (LMNW) Ice Harbor Dam forebay (IHRA) Ice Harbor tailwater- Snake R. below Goose Is. (IDSW)
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
Dec 1 39.7 39.9 40.1 0/24 --- --- --- 0/0 43.5 43.8 44.0 0/24 --- --- --- 0/0 42.9 43.1 43.1 0/24 --- --- --- 0/0 43.6 43.8 43.9 0/24 --- --- --- 0/0 45.2 45.4 45.5 0/24
Dec 2 39.8 40.3 40.8 0/24 --- --- --- 0/0 42.5 43.0 43.5 0/24 --- --- --- 0/0 42.7 42.8 42.9 0/24 --- --- --- 0/0 43.5 43.6 43.7 0/24 --- --- --- 0/0 44.8 45.0 45.2 0/24
Dec 3 39.5 39.9 40.2 0/24 --- --- --- 0/0 42.3 42.4 42.5 0/24 --- --- --- 0/0 42.6 42.7 42.8 0/24 --- --- --- 0/0 43.2 43.4 43.5 0/24 --- --- --- 0/0 44.3 44.5 44.8 0/24
Dec 4 40.0 40.3 40.7 0/24 --- --- --- 0/0 42.0 42.1 42.3 0/24 --- --- --- 0/0 42.5 42.6 42.6 0/24 --- --- --- 0/0 43.1 43.2 43.3 0/24 --- --- --- 0/0 43.7 44.0 44.2 0/24
Dec 5 40.3 40.6 41.0 0/24 --- --- --- 0/0 41.6 41.8 42.0 0/24 --- --- --- 0/0 42.3 42.4 42.5 0/24 --- --- --- 0/0 42.8 42.9 43.1 0/24 --- --- --- 0/0 43.3 43.6 43.7 0/24
Dec 6 40.6 40.8 41.0 0/24 --- --- --- 0/0 41.4 41.5 41.6 0/24 --- --- --- 0/0 42.3 42.4 42.5 0/24 --- --- --- 0/0 42.5 42.7 42.8 0/24 --- --- --- 0/0 42.9 43.1 43.2 0/24
Dec 7 40.7 41.0 41.3 0/24 --- --- --- 0/0 41.2 41.4 41.5 0/24 --- --- --- 0/0 42.3 42.4 42.5 0/24 --- --- --- 0/0 42.4 42.5 42.6 0/24 --- --- --- 0/0 42.8 42.9 43.0 0/24
Dec 8 41.3 41.6 41.9 0/24 --- --- --- 0/0 40.4 40.8 41.2 0/24 --- --- --- 0/0 42.4 42.4 42.5 0/24 --- --- --- 0/0 42.3 42.4 42.5 0/24 --- --- --- 0/0 42.8 42.9 43.0 0/24
Dec 9 41.2 41.5 41.6 0/24 --- --- --- 0/0 40.1 40.2 40.3 0/24 --- --- --- 0/0 42.4 42.5 42.6 0/24 --- --- --- 0/0 42.3 42.3 42.4 0/24 --- --- --- 0/0 42.7 42.8 42.8 0/24
Dec 10 40.1 40.6 41.1 0/24 --- --- --- 0/0 39.6 40.0 40.3 0/24 --- --- --- 0/0 42.5 42.6 42.6 0/24 --- --- --- 0/0 42.3 42.3 42.4 0/24 --- --- --- 0/0 42.7 42.7 42.7 0/24
Dec 11 39.8 40.1 40.4 0/24 --- --- --- 0/0 39.5 39.6 39.6 0/24 --- --- --- 0/0 42.4 42.5 42.6 0/24 --- --- --- 0/0 42.2 42.3 42.3 0/24 --- --- --- 0/0 42.5 42.7 42.7 0/24
Dec 12 40.4 40.8 41.3 0/24 --- --- --- 0/0 39.6 39.7 39.8 0/24 --- --- --- 0/0 42.4 42.6 42.7 0/24 --- --- --- 0/0 42.1 42.2 42.4 0/24 --- --- --- 0/0 42.6 42.7 42.8 0/24
Dec 13 41.3 41.6 41.9 0/24 --- --- --- 0/0 39.8 39.9 40.1 0/24 --- --- --- 0/0 42.5 42.5 42.7 0/24 --- --- --- 0/0 41.9 42.1 42.2 0/24 --- --- --- 0/0 42.5 42.6 42.8 0/24
Dec 14 41.8 42.2 42.4 0/24 --- --- --- 0/0 40.0 40.0 40.1 0/24 --- --- --- 0/0 42.3 42.4 42.5 0/24 --- --- --- 0/0 41.9 42.0 42.0 0/24 --- --- --- 0/0 42.3 42.4 42.5 0/24
Dec 15 41.3 41.6 42.0 0/24 --- --- --- 0/0 40.0 40.0 40.0 0/24 --- --- --- 0/0 41.9 42.1 42.2 0/24 --- --- --- 0/0 41.9 42.0 42.1 0/24 --- --- --- 0/0 42.2 42.3 42.4 0/24
Dec 16 40.8 41.4 41.6 0/24 --- --- --- 0/0 39.9 40.1 40.2 0/24 --- --- --- 0/0 41.6 41.8 41.9 0/24 --- --- --- 0/0 41.9 42.0 42.1 0/24 --- --- --- 0/0 42.0 42.1 42.2 0/24
Dec 17 40.5 40.8 41.0 0/24 --- --- --- 0/0 40.1 40.2 40.3 0/23 --- --- --- 0/0 41.0 41.3 41.5 0/24 --- --- --- 0/0 41.9 42.0 42.0 0/24 --- --- --- 0/0 41.8 41.9 42.0 0/24
Dec 18 40.2 40.6 40.9 0/24 --- --- --- 0/0 40.1 40.2 40.2 0/24 --- --- --- 0/0 40.5 40.7 40.9 0/24 --- --- --- 0/0 41.9 41.9 42.1 0/24 --- --- --- 0/0 41.6 41.7 41.8 0/24
Dec 19 40.3 40.9 41.5 0/24 --- --- --- 0/0 40.2 40.2 40.2 0/24 --- --- --- 0/0 40.4 40.5 40.5 0/24 --- --- --- 0/0 41.8 41.9 42.0 0/24 --- --- --- 0/0 41.5 41.5 41.6 0/24
Dec 20 41.1 41.5 41.7 0/24 --- --- --- 0/0 40.2 40.3 40.3 0/24 --- --- --- 0/0 40.2 40.4 40.7 0/24 --- --- --- 0/0 41.8 41.9 42.1 0/24 --- --- --- 0/0 41.5 41.6 41.8 0/24
Dec 21 41.3 41.6 41.8 0/24 --- --- --- 0/0 40.3 40.4 40.5 0/24 --- --- --- 0/0 40.1 40.2 40.5 0/24 --- --- --- 0/0 41.9 42.0 42.4 0/24 --- --- --- 0/0 41.6 41.7 41.8 0/24
Dec 22 41.1 41.2 41.5 0/24 --- --- --- 0/0 40.5 40.6 40.7 0/24 --- --- --- 0/0 40.1 40.1 40.2 0/24 --- --- --- 0/0 41.8 41.9 41.9 0/24 --- --- --- 0/0 41.7 41.8 41.9 0/24
Dec 23 41.0 41.1 41.3 0/24 --- --- --- 0/0 40.7 40.8 40.9 0/24 --- --- --- 0/0 40.0 40.1 40.2 0/24 --- --- --- 0/0 41.5 41.6 41.8 0/24 --- --- --- 0/0 41.7 41.8 42.0 0/24
Dec 24 41.0 41.4 41.8 0/24 --- --- --- 0/0 40.2 40.5 40.7 0/24 --- --- --- 0/0 39.9 39.9 40.0 0/24 --- --- --- 0/0 41.3 41.4 41.5 0/24 --- --- --- 0/0 41.6 41.7 41.9 0/24
Dec 25 40.4 40.7 40.9 0/24 --- --- --- 0/0 39.9 40.0 40.2 0/24 --- --- --- 0/0 39.8 39.9 39.9 0/24 --- --- --- 0/0 41.0 41.2 41.4 0/24 --- --- --- 0/0 41.7 41.8 41.8 0/24
Dec 26 39.9 40.2 40.3 0/24 --- --- --- 0/0 39.8 39.8 39.8 0/24 --- --- --- 0/0 39.8 39.9 40.0 0/24 --- --- --- 0/0 40.7 40.9 41.0 0/23 --- --- --- 0/0 41.7 41.8 42.0 0/24
Dec 27 39.5 39.8 40.0 0/24 --- --- --- 0/0 39.7 39.8 39.9 0/24 --- --- --- 0/0 39.8 39.9 40.0 0/24 --- --- --- 0/0 40.5 40.7 40.8 0/24 --- --- --- 0/0 41.7 41.9 42.1 0/24
Dec 28 39.5 39.8 40.1 0/24 --- --- --- 0/0 39.9 40.0 40.2 0/24 --- --- --- 0/0 39.9 40.0 40.1 0/24 --- --- --- 0/0 40.1 40.3 40.4 0/24 --- --- --- 0/0 41.7 41.8 41.9 0/24
Dec 29 39.6 39.7 39.9 0/24 --- --- --- 0/0 40.1 40.4 40.5 0/24 --- --- --- 0/0 40.0 40.1 40.2 0/24 --- --- --- 0/0 39.9 40.0 40.1 0/24 --- --- --- 0/0 41.5 41.6 41.7 0/24
Dec 30 39.6 39.9 40.3 0/24 --- --- --- 0/0 40.4 40.5 40.5 0/24 --- --- --- 0/0 40.1 40.2 40.3 0/24 --- --- --- 0/0 39.7 39.8 39.9 0/24 --- --- --- 0/0 41.2 41.4 41.5 0/24
Dec 31 40.1 40.6 40.8 0/24 --- --- --- 0/0 40.4 40.4 40.5 0/24 --- --- --- 0/0 40.2 40.3 40.4 0/24 --- --- --- 0/0 39.7 39.7 39.9 0/24 --- --- --- 0/0 41.1 41.2 41.3 0/24
>68.05 0 0 0 0/
744		 0 0 0 0/
0		 0 0 0 0/
743		 0 0 0 0/
0		 0 0 0 0/
744		 0 0 0 0/
0		 0 0 0 0/
743		 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 >86

Bold, red text denotes values above 68.05°F.
--- indicates No Data

NOTICE: This report is based on raw, unverified data.