Lower Snake River Temperature Report for September 2020  
Generated Thu Oct 1 06:18:09 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
Sep 1 69.1 69.8 71.0 24/24 65.6 66.8 69.0 2/24 64.5 65.4 66.1 0/24 68.2 68.6 69.2 24/24 67.7 68.2 68.6 14/24 68.4 68.5 68.8 24/24 68.1 68.5 68.7 24/24 69.7 69.9 70.0 24/24 69.7 70.0 70.5 24/24
Sep 2 69.9 70.8 72.3 24/24 66.0 66.5 67.0 0/24 65.2 65.5 65.8 0/24 68.0 68.6 68.8 23/24 67.9 68.2 68.6 19/24 68.3 68.7 69.0 24/24 68.1 68.6 68.9 24/24 69.6 69.8 70.1 24/24 69.7 70.0 70.4 24/24
Sep 3 70.8 71.6 73.0 24/24 65.7 66.4 66.9 0/24 65.0 65.3 65.6 0/24 67.9 68.3 68.9 19/24 67.6 67.9 68.3 7/24 68.2 68.6 69.0 24/24 68.1 68.4 68.8 24/24 69.4 69.6 69.9 24/24 69.4 69.9 70.4 24/24
Sep 4 70.8 71.7 73.1 24/24 66.0 67.0 68.5 5/24 65.0 65.7 66.3 0/24 68.1 68.9 69.7 24/24 67.7 68.1 68.4 15/24 68.8 69.1 69.3 24/24 68.2 68.8 69.2 24/24 69.3 69.4 69.7 24/24 69.3 69.7 70.1 24/24
Sep 5 71.2 71.9 72.8 24/24 66.5 66.9 67.9 0/24 65.3 65.5 65.8 0/24 67.3 68.0 68.8 11/24 67.3 67.6 67.9 0/24 68.7 68.9 69.1 24/24 68.2 68.7 69.0 24/24 69.3 69.4 69.9 24/24 69.3 69.6 69.9 24/24
Sep 6 70.6 71.6 72.7 24/24 66.3 66.9 67.4 0/24 64.6 65.3 65.8 0/24 67.7 68.1 68.6 13/24 67.1 67.5 67.9 0/24 68.6 68.9 69.0 24/24 68.3 68.7 69.0 24/24 69.3 69.6 70.1 24/24 69.1 69.6 70.2 24/24
Sep 7 69.5 70.8 71.9 24/24 65.9 66.9 67.4 0/24 64.5 64.9 65.3 0/24 67.4 67.9 68.6 6/24 67.1 67.3 67.5 0/24 68.7 69.0 69.2 24/24 68.3 68.8 69.1 24/24 69.5 69.9 70.6 24/24 69.4 69.7 70.0 24/24
Sep 8 67.5 68.1 69.2 13/24 65.9 67.6 68.5 6/24 64.3 65.3 66.0 0/24 67.7 67.9 68.1 1/24 67.5 67.7 67.9 0/24 68.7 68.9 69.1 13/13 68.5 68.7 69.0 24/24 69.4 69.5 69.8 24/24 68.8 69.2 69.6 24/24
Sep 9 66.2 67.1 68.0 0/24 68.0 68.1 68.2 10/15 64.8 65.7 66.4 0/24 67.7 68.0 68.5 8/24 67.5 67.8 68.1 1/24 --- --- --- 0/0 68.0 68.4 68.8 22/24 69.2 69.2 69.4 12/12 68.6 69.1 69.5 24/24
Sep 10 66.9 67.9 69.5 9/24 --- --- --- 0/0 65.6 65.9 66.3 0/24 67.7 67.8 68.0 0/11 67.4 67.7 68.1 3/24 --- --- --- 0/0 67.9 68.3 68.7 19/24 --- --- --- 0/0 68.7 69.0 69.4 24/24
Sep 11 67.9 68.8 70.1 21/24 --- --- --- 0/0 65.2 65.6 65.9 0/24 --- --- --- 0/0 67.1 67.4 67.6 0/24 --- --- --- 0/0 67.0 67.6 67.8 0/24 --- --- --- 0/0 68.1 68.5 68.8 24/24
Sep 12 68.1 68.7 69.5 24/24 --- --- --- 0/0 65.0 65.2 65.4 0/24 --- --- --- 0/0 66.5 66.8 67.0 0/24 --- --- --- 0/0 67.3 67.4 67.6 0/24 --- --- --- 0/0 67.7 67.9 68.1 2/24
Sep 13 67.8 68.2 68.6 14/24 --- --- --- 0/0 64.6 64.8 65.0 0/24 --- --- --- 0/0 66.2 66.4 66.5 0/24 --- --- --- 0/0 67.2 67.4 67.5 0/24 --- --- --- 0/0 67.6 67.7 67.9 0/24
Sep 14 67.1 67.5 68.0 0/24 --- --- --- 0/0 64.0 64.4 64.7 0/24 --- --- --- 0/0 66.1 66.2 66.4 0/24 --- --- --- 0/0 66.9 67.1 67.3 0/24 --- --- --- 0/0 67.3 67.5 67.6 0/24
Sep 15 66.6 67.0 67.4 0/24 --- --- --- 0/0 63.9 64.1 64.3 0/24 --- --- --- 0/0 65.9 66.1 66.3 0/24 --- --- --- 0/0 66.3 66.9 67.1 0/24 --- --- --- 0/0 67.1 67.3 67.5 0/24
Sep 16 66.0 66.7 67.5 0/24 --- --- --- 0/0 63.8 64.1 64.3 0/24 --- --- --- 0/0 65.8 66.0 66.2 0/24 --- --- --- 0/0 66.3 66.8 67.0 0/24 --- --- --- 0/0 67.0 67.2 67.5 0/24
Sep 17 66.2 66.6 67.1 0/24 --- --- --- 0/0 63.5 63.8 64.2 0/24 --- --- --- 0/0 65.7 65.8 66.0 0/24 --- --- --- 0/0 66.3 66.5 66.7 0/24 --- --- --- 0/0 66.8 67.1 67.4 0/24
Sep 18 65.8 66.3 66.7 0/24 --- --- --- 0/0 63.4 63.6 63.8 0/24 --- --- --- 0/0 65.6 65.7 65.9 0/24 --- --- --- 0/0 65.9 66.2 66.3 0/24 --- --- --- 0/0 66.5 66.7 66.8 0/24
Sep 19 65.6 66.1 66.8 0/24 --- --- --- 0/0 63.2 63.3 63.4 0/24 --- --- --- 0/0 65.1 65.3 65.6 0/24 --- --- --- 0/0 65.5 65.9 66.1 0/24 --- --- --- 0/0 66.2 66.4 66.8 0/24
Sep 20 65.8 66.6 67.9 0/24 --- --- --- 0/0 62.7 63.0 63.3 0/24 --- --- --- 0/0 64.9 65.1 65.4 0/24 --- --- --- 0/0 65.4 65.7 66.1 0/24 --- --- --- 0/0 66.0 66.3 66.8 0/24
Sep 21 65.8 66.6 67.8 0/24 --- --- --- 0/0 62.5 62.8 63.1 0/24 --- --- --- 0/0 64.9 65.1 65.4 0/24 --- --- --- 0/0 65.4 65.6 65.9 0/24 --- --- --- 0/0 66.0 66.3 66.7 0/24
Sep 22 66.1 67.0 68.1 1/24 --- --- --- 0/0 62.8 62.9 63.1 0/24 --- --- --- 0/0 64.7 64.9 65.2 0/24 --- --- --- 0/0 65.4 65.6 65.8 0/24 --- --- --- 0/0 66.1 66.4 66.8 0/24
Sep 23 66.3 67.1 68.1 2/24 --- --- --- 0/0 62.9 63.0 63.2 0/24 --- --- --- 0/0 64.5 64.7 64.9 0/24 --- --- --- 0/0 65.2 65.5 65.7 0/24 --- --- --- 0/0 66.1 66.3 66.5 0/24
Sep 24 66.7 67.0 67.6 0/24 --- --- --- 0/0 62.6 63.0 63.4 0/24 --- --- --- 0/0 64.2 64.4 64.8 0/24 --- --- --- 0/0 65.2 65.4 65.6 0/24 --- --- --- 0/0 65.8 66.1 66.4 0/24
Sep 25 65.7 66.2 66.6 0/24 --- --- --- 0/0 62.9 63.2 63.6 0/24 --- --- --- 0/0 64.2 64.3 64.4 0/24 --- --- --- 0/0 65.1 65.2 65.4 0/24 --- --- --- 0/0 65.8 65.9 66.1 0/24
Sep 26 64.9 65.3 65.9 0/24 --- --- --- 0/0 63.2 63.4 63.6 0/24 --- --- --- 0/0 64.0 64.2 64.4 0/24 --- --- --- 0/0 64.7 65.0 65.2 0/24 --- --- --- 0/0 65.5 65.7 66.1 0/24
Sep 27 64.4 65.0 66.1 0/24 --- --- --- 0/0 63.2 63.4 63.6 0/24 --- --- --- 0/0 64.0 64.1 64.4 0/24 --- --- --- 0/0 64.6 64.9 65.1 0/24 --- --- --- 0/0 65.3 65.6 66.0 0/24
Sep 28 64.2 64.9 66.0 0/24 --- --- --- 0/0 63.4 63.7 64.1 0/24 --- --- --- 0/0 63.8 64.0 64.3 0/24 --- --- --- 0/0 64.2 64.5 64.8 0/24 --- --- --- 0/0 65.0 65.3 65.6 0/24
Sep 29 64.1 64.8 66.0 0/24 --- --- --- 0/0 64.0 64.1 64.3 0/24 --- --- --- 0/0 63.4 63.7 63.9 0/24 --- --- --- 0/0 64.1 64.2 64.5 0/24 --- --- --- 0/0 64.6 64.9 65.2 0/24
Sep 30 64.5 65.2 66.2 0/24 --- --- --- 0/0 64.2 64.3 64.5 0/24 --- --- --- 0/0 63.2 63.4 63.6 0/24 --- --- --- 0/0 63.7 64.0 64.3 0/24 --- --- --- 0/0 64.5 64.7 65.0 0/24
>68.05 8 11 14 252/
720		 0 1 4 23/
207		 0 0 0 0/
720		 2 5 9 129/
227		 0 3 6 59/
720		 8 8 8 181/
181		 8 10 10 233/
720		 9 9 9 204/
204		 11 11 12 266/
720

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.