Lower Snake River Temperature Report for April 2018  
Generated Tue May 1 06:18:23 2018

  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
Apr 1 47.3 47.7 48.3 0/24 46.3 46.7 47.0 0/24 46.2 46.5 46.9 0/24 44.8 45.0 45.1 0/24 45.0 45.1 45.3 0/24 44.6 44.7 44.8 0/24 45.0 45.1 45.2 0/24 44.7 44.9 44.9 0/24 44.5 44.6 44.7 0/24
Apr 2 46.6 47.1 47.5 0/24 46.9 47.1 47.3 0/24 46.7 46.9 47.2 0/24 44.9 45.2 45.4 0/24 45.1 45.2 45.4 0/24 44.6 44.8 44.9 0/24 45.0 45.1 45.3 0/24 44.8 44.9 45.0 0/24 44.5 44.7 44.9 0/24
Apr 3 45.8 46.5 47.0 0/24 47.1 47.3 47.4 0/24 47.1 47.3 47.6 0/24 45.2 45.3 45.4 0/24 45.3 45.6 45.7 0/24 44.7 44.8 45.0 0/24 45.1 45.2 45.3 0/24 44.9 45.0 45.1 0/24 44.7 44.8 45.0 0/24
Apr 4 47.0 47.4 48.2 0/24 46.8 47.1 47.4 0/24 46.9 47.2 47.4 0/24 45.4 45.6 45.9 0/24 45.8 46.0 46.3 0/24 44.8 44.9 45.2 0/24 45.2 45.4 45.6 0/24 45.1 45.2 45.3 0/24 44.9 45.0 45.2 0/24
Apr 5 48.0 48.3 48.6 0/24 46.5 46.6 46.9 0/24 46.6 46.7 46.9 0/24 45.9 46.3 46.6 0/24 46.3 46.7 47.1 0/24 45.0 45.3 45.5 0/24 45.5 45.7 46.0 0/24 45.3 45.4 45.5 0/24 45.1 45.2 45.4 0/24
Apr 6 48.5 49.4 50.6 0/24 46.5 46.8 47.1 0/24 46.6 46.9 47.3 0/24 46.6 47.1 47.9 0/24 47.1 47.7 48.1 0/24 45.5 45.8 46.1 0/24 46.0 46.3 46.6 0/24 45.5 45.6 45.9 0/24 45.4 45.6 45.9 0/24
Apr 7 49.4 49.9 50.4 0/24 47.1 47.5 47.8 0/24 47.3 47.5 47.8 0/24 47.5 47.7 47.9 0/24 47.8 47.9 48.0 0/24 46.1 46.7 47.3 0/24 46.7 47.1 47.6 0/24 45.9 46.2 46.6 0/24 45.7 46.1 46.3 0/24
Apr 8 48.1 48.5 49.3 0/24 47.9 48.3 48.8 0/24 47.8 48.2 48.7 0/24 47.4 47.5 47.6 0/24 47.4 47.6 47.7 0/24 47.3 47.7 47.9 0/24 47.7 48.1 48.3 0/24 46.7 46.9 47.2 0/24 46.4 46.7 47.0 0/24
Apr 9 46.9 48.0 49.1 0/24 48.1 48.5 48.7 0/24 48.3 48.5 48.7 0/24 47.4 47.5 47.8 0/24 47.5 47.8 48.3 0/24 47.4 47.7 47.9 0/24 47.9 48.1 48.3 0/24 47.1 47.6 48.3 0/24 46.9 47.5 48.0 0/24
Apr 10 48.5 48.8 49.0 0/24 47.6 47.8 48.2 0/24 47.6 47.9 48.2 0/24 47.8 48.2 48.7 0/24 48.1 48.4 48.9 0/24 47.5 47.7 47.9 0/24 47.9 48.1 48.3 0/24 48.2 48.3 48.6 0/24 48.0 48.2 48.4 0/24
Apr 11 48.6 49.3 50.2 0/24 47.7 48.1 48.5 0/24 47.7 48.1 48.5 0/24 48.7 48.9 49.2 0/24 48.9 49.1 49.4 0/24 47.9 48.0 48.4 0/24 48.3 48.5 48.8 0/24 47.7 48.0 48.3 0/24 48.0 48.4 48.7 0/24
Apr 12 48.7 49.4 50.0 0/24 48.5 48.5 48.6 0/24 48.4 48.5 48.5 0/24 48.3 48.6 49.2 0/24 48.3 48.6 48.9 0/24 48.5 48.8 49.2 0/24 48.9 49.2 49.5 0/24 47.9 48.1 48.3 0/24 48.6 48.8 49.1 0/24
Apr 13 47.6 48.3 48.8 0/24 48.5 48.8 48.9 0/24 48.5 48.8 48.9 0/24 48.1 48.3 48.5 0/24 48.2 48.4 48.5 0/24 48.3 48.7 49.1 0/24 48.7 49.0 49.4 0/24 48.1 48.4 48.7 0/24 48.8 49.1 49.4 0/24
Apr 14 48.1 48.8 49.7 0/24 48.1 48.6 48.9 0/24 48.3 48.7 48.9 0/24 48.3 48.5 49.0 0/24 48.5 48.6 48.8 0/24 48.0 48.2 48.4 0/24 48.4 48.6 48.8 0/24 48.6 48.7 48.9 0/24 49.3 49.5 49.7 0/24
Apr 15 49.0 49.7 50.4 0/24 48.0 48.2 48.5 0/24 48.0 48.3 48.5 0/24 48.5 48.9 49.2 0/24 48.8 49.2 49.6 0/24 48.3 48.5 48.8 0/24 48.8 49.0 49.3 0/24 48.6 48.7 48.9 0/24 49.4 49.5 49.7 0/24
Apr 16 49.8 50.2 50.7 0/24 48.5 48.8 49.0 0/24 48.5 48.8 49.0 0/24 48.9 49.2 49.3 0/24 49.0 49.4 49.5 0/24 48.7 48.8 49.2 0/24 49.0 49.2 49.5 0/24 48.6 48.7 48.8 0/24 49.2 49.4 49.5 0/24
Apr 17 48.6 49.0 49.7 0/24 48.9 49.0 49.2 0/24 48.9 49.1 49.3 0/24 48.5 48.7 48.9 0/24 48.6 48.7 48.9 0/24 49.0 49.1 49.2 0/24 49.4 49.5 49.6 0/24 48.5 48.6 48.8 0/24 49.2 49.3 49.5 0/24
Apr 18 48.1 48.9 49.6 0/24 48.6 49.0 49.1 0/24 48.8 49.2 49.4 0/24 48.4 48.7 49.0 0/24 48.6 49.0 49.4 0/24 48.5 48.7 49.1 0/24 49.0 49.2 49.5 0/24 48.6 48.8 49.2 0/24 49.3 49.6 49.9 0/24
Apr 19 48.7 49.9 51.1 0/24 47.9 48.3 48.7 0/24 48.3 48.5 48.7 0/24 48.9 49.5 50.7 0/24 49.3 49.6 50.0 0/24 48.4 48.5 48.9 0/24 48.8 49.1 49.4 0/24 49.0 49.1 49.4 0/24 49.7 49.9 50.1 0/24
Apr 20 49.7 50.9 52.1 0/24 48.0 48.5 49.0 0/24 48.2 48.7 49.1 0/24 49.6 50.2 51.1 0/24 49.9 50.1 50.4 0/24 48.9 49.2 49.6 0/24 49.4 49.7 50.2 0/24 49.0 49.2 49.4 0/24 49.7 50.0 50.2 0/24
Apr 21 51.0 51.9 53.0 0/24 48.8 49.5 50.2 0/24 49.1 49.6 50.2 0/24 49.8 50.2 50.6 0/24 49.8 50.1 50.2 0/24 49.6 50.0 50.5 0/24 50.2 50.5 50.8 0/24 49.2 49.5 49.8 0/24 49.9 50.2 50.5 0/24
Apr 22 51.0 51.8 52.6 0/24 49.9 50.3 50.7 0/24 50.0 50.4 50.9 0/24 49.5 50.0 50.9 0/24 49.6 49.8 50.0 0/24 50.3 50.4 50.5 0/24 50.7 50.8 51.1 0/24 49.7 49.9 50.1 0/24 50.4 50.7 51.0 0/24
Apr 23 50.7 51.7 52.7 0/24 50.7 50.9 51.2 0/24 50.8 51.1 51.5 0/24 49.7 50.2 51.0 0/24 49.9 50.2 50.7 0/24 50.0 50.2 50.5 0/24 50.6 50.7 51.1 0/24 50.3 50.4 50.7 0/24 50.9 51.2 51.5 0/24
Apr 24 51.2 52.2 53.3 0/24 50.9 51.0 51.5 0/24 51.1 51.3 51.7 0/24 50.3 50.7 51.6 0/24 50.6 51.1 51.5 0/24 49.9 50.0 50.3 0/24 50.4 50.6 50.8 0/24 50.7 50.8 51.1 0/24 51.4 51.6 51.9 0/24
Apr 25 52.3 53.1 54.2 0/24 50.8 51.1 51.3 0/24 51.0 51.3 51.6 0/24 51.3 51.8 52.9 0/24 51.5 51.9 52.2 0/24 50.2 50.6 50.9 0/24 50.7 51.1 51.7 0/24 50.7 50.8 51.0 0/24 51.5 51.7 51.8 0/24
Apr 26 52.8 53.6 54.5 0/24 51.1 51.5 52.0 0/24 51.3 51.8 52.3 0/24 51.9 52.3 53.1 0/24 52.3 52.5 52.8 0/24 51.0 51.5 52.2 0/24 51.6 52.1 52.7 0/24 50.8 51.0 51.3 0/24 51.5 51.8 52.1 0/24
Apr 27 53.3 54.1 55.0 0/24 51.7 52.2 52.7 0/24 51.9 52.4 53.1 0/24 52.3 52.7 53.4 0/24 52.6 52.8 53.0 0/24 51.9 52.4 52.7 0/24 52.6 52.9 53.3 0/24 51.4 51.7 52.5 0/24 52.0 52.5 53.0 0/24
Apr 28 52.1 53.4 54.3 0/24 52.3 52.6 52.8 0/24 52.5 52.7 52.9 0/24 52.5 52.8 53.3 0/24 52.7 52.9 53.1 0/24 52.7 53.0 53.4 0/24 53.2 53.5 53.7 0/24 52.3 52.7 53.2 0/24 53.0 53.3 53.8 0/24
Apr 29 50.9 51.3 51.9 0/24 51.5 52.2 52.5 0/24 51.9 52.4 52.7 0/24 52.8 53.2 53.9 0/24 53.0 53.3 53.6 0/24 52.8 53.0 53.3 0/24 53.3 53.4 53.6 0/24 53.0 53.3 53.5 0/24 53.6 54.0 54.3 0/24
Apr 30 50.1 50.5 50.8 0/24 50.1 50.8 51.5 0/24 50.3 51.1 51.9 0/24 53.1 53.4 54.0 0/24 53.3 53.5 53.7 0/24 53.0 53.1 53.4 0/24 53.4 53.6 53.9 0/24 53.4 53.5 53.7 0/24 54.0 54.2 54.4 0/24
>68.05 0 0 0 0/
720
0 0 0 0/
720
0 0 0 0/
720
0 0 0 0/
720
0 0 0 0/
720
0 0 0 0/
720
0 0 0 0/
720
0 0 0 0/
720
0 0 0 0/
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.