Lower Snake River Temperature Report for April 2023  
Generated 2023-05-01 13:18:07

  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
04 01 44.0 44.7 45.5 0/24 42.7 42.8 43.0 0/24 42.3 42.4 42.5 0/24 43.4 43.5 43.7 0/24 43.6 43.7 44.0 0/24 43.3 43.5 43.7 0/24 43.5 43.7 44.0 0/24 43.4 43.5 43.7 0/24 43.4 43.7 44.0 0/24
04 02 43.3 44.0 44.7 0/24 42.9 43.1 43.5 0/24 42.5 42.6 42.8 0/24 43.5 43.7 44.0 0/24 43.7 43.9 44.1 0/24 43.6 43.7 43.9 0/24 43.7 43.9 44.1 0/24 43.5 43.7 44.1 0/24 43.6 43.8 44.0 0/24
04 03 43.5 43.9 44.4 0/24 43.2 43.2 43.4 0/24 42.7 42.9 42.9 0/24 43.7 43.9 44.0 0/24 43.9 44.1 44.3 0/24 43.8 43.9 44.0 0/24 44.0 44.0 44.2 0/24 43.7 43.8 44.0 0/24 43.6 43.9 44.3 0/24
04 04 43.1 43.7 44.4 0/24 43.4 43.6 43.9 0/24 43.0 43.2 43.4 0/24 43.8 44.1 44.4 0/24 44.0 44.2 44.5 0/24 43.8 43.8 44.0 0/24 43.9 44.0 44.2 0/24 43.8 43.9 44.1 0/24 43.8 44.1 44.4 0/24
04 05 42.8 43.9 45.4 0/24 43.9 44.1 44.3 0/24 43.4 43.8 44.0 0/24 44.0 44.2 44.5 0/24 44.0 44.2 44.4 0/24 43.8 44.1 44.3 0/24 44.0 44.2 44.4 0/24 44.0 44.2 44.3 0/24 44.0 44.3 44.7 0/24
04 06 43.9 45.0 46.7 0/24 44.3 44.6 44.8 0/24 44.0 44.1 44.4 0/24 43.4 43.9 44.4 0/24 43.8 44.0 44.3 0/24 44.0 44.1 44.4 0/24 44.2 44.4 44.6 0/24 44.2 44.4 44.6 0/24 44.3 44.7 45.1 0/24
04 07 45.2 45.8 46.5 0/24 44.6 44.7 45.0 0/24 44.3 44.4 44.5 0/24 43.7 44.3 45.1 0/24 44.0 44.1 44.3 0/24 44.1 44.4 44.9 0/24 44.5 44.7 45.0 0/24 44.5 44.9 45.4 0/24 44.7 44.9 45.2 0/24
04 08 45.3 46.4 47.8 0/24 44.1 44.4 44.8 0/24 44.1 44.2 44.3 0/24 44.1 44.4 45.0 0/24 43.8 44.1 44.4 0/24 44.5 45.0 45.2 0/24 44.8 45.1 45.3 0/24 45.0 45.1 45.4 0/24 44.9 45.2 45.4 0/24
04 09 46.3 47.1 47.9 0/24 44.2 44.5 44.7 0/24 44.1 44.3 44.5 0/24 44.3 44.6 45.4 0/24 44.3 44.5 44.7 0/24 45.0 45.1 45.3 0/24 45.2 45.3 45.5 0/24 45.2 45.3 45.6 0/24 45.3 45.5 45.9 0/24
04 10 47.2 48.6 50.2 0/24 44.7 45.1 45.4 0/24 44.4 44.7 45.0 0/24 44.4 45.1 46.8 0/24 44.7 45.0 45.4 0/24 44.7 44.9 45.3 0/24 45.2 45.4 45.6 0/24 45.3 45.6 46.0 0/24 45.6 45.8 46.1 0/24
04 11 46.5 48.2 50.0 0/24 44.7 45.4 46.2 0/24 44.9 45.3 45.8 0/24 44.9 45.8 46.2 0/24 45.0 45.3 45.5 0/24 44.7 45.3 45.6 0/24 45.2 45.4 45.5 0/24 45.4 45.9 46.1 0/24 45.9 46.1 46.3 0/24
04 12 44.6 45.4 46.4 0/24 46.2 46.7 47.2 0/24 45.9 46.5 47.3 0/24 45.4 45.8 46.3 0/24 45.6 45.9 46.1 0/24 45.4 45.6 45.8 0/24 45.4 45.7 46.0 0/24 46.0 46.1 46.3 0/24 46.1 46.3 46.5 0/24
04 13 43.7 44.2 44.5 0/24 47.2 47.9 48.6 0/24 47.4 48.0 48.6 0/24 45.9 46.1 46.6 0/24 46.0 46.2 46.4 0/24 45.8 46.0 46.3 0/24 45.9 46.1 46.3 0/24 45.9 46.1 46.3 0/24 46.1 46.2 46.4 0/24
04 14 43.6 44.7 45.9 0/24 46.3 47.6 48.2 0/24 47.1 48.0 48.5 0/24 46.1 46.3 46.7 0/24 46.2 46.4 46.6 0/24 45.8 46.2 46.6 0/24 46.0 46.4 46.8 0/24 45.7 45.9 46.1 0/24 46.0 46.2 46.5 0/24
04 15 44.5 45.7 46.9 0/24 45.4 45.9 46.8 0/24 46.0 46.5 47.0 0/24 46.3 46.6 47.0 0/24 46.5 47.0 47.8 0/24 46.5 46.6 47.2 0/24 46.6 46.9 47.2 0/24 45.8 46.1 46.3 0/24 46.3 46.6 47.0 0/24
04 16 46.0 47.0 48.0 0/24 45.2 45.4 45.9 0/24 45.5 45.7 46.0 0/24 46.8 48.0 48.8 0/24 47.6 47.9 48.3 0/24 46.7 47.0 47.5 0/24 47.0 47.1 47.2 0/24 46.2 46.5 46.8 0/24 46.8 47.0 47.1 0/24
04 17 46.6 47.0 47.6 0/24 45.1 45.4 46.0 0/24 45.4 45.7 46.1 0/24 48.4 48.5 48.8 0/24 48.0 48.4 48.9 0/24 47.0 47.1 47.4 0/24 47.0 47.2 47.5 0/24 46.7 46.8 47.2 0/24 47.0 47.3 47.6 0/24
04 18 45.7 46.4 47.4 0/24 45.9 46.1 46.6 0/24 46.1 46.3 46.7 0/24 48.2 48.4 48.6 0/24 48.0 48.3 48.7 0/24 47.1 47.7 48.1 0/24 47.5 47.8 48.1 0/24 46.9 47.2 47.4 0/24 47.4 47.6 47.9 0/24
04 19 44.5 45.5 46.4 0/24 46.6 46.9 47.8 0/24 46.7 47.0 47.5 0/24 47.4 47.8 48.2 0/24 46.8 47.5 48.0 0/24 48.1 48.3 48.6 0/24 48.1 48.3 48.6 0/24 47.2 47.4 47.6 0/24 47.6 47.8 48.0 0/24
04 20 44.6 45.9 47.0 0/24 47.0 47.3 47.3 0/24 47.4 47.5 47.7 0/24 46.8 47.1 47.4 0/24 46.4 46.6 46.8 0/24 48.6 48.8 48.9 0/24 48.6 48.8 49.0 0/24 47.4 47.5 47.7 0/24 47.7 47.9 48.1 0/24
04 21 45.9 46.5 47.2 0/24 46.5 46.9 47.0 0/24 46.9 47.1 47.4 0/24 46.6 46.9 47.2 0/24 46.4 46.6 46.7 0/24 48.3 48.5 48.8 0/24 48.5 48.6 48.8 0/24 47.6 47.9 48.3 0/24 48.0 48.3 48.6 0/24
04 22 45.9 47.3 48.8 0/24 46.4 46.5 46.8 0/24 46.7 46.9 47.0 0/24 46.7 46.9 47.2 0/24 46.8 47.2 47.8 0/24 47.5 47.9 48.4 0/24 47.8 48.1 48.4 0/24 48.2 48.5 50.5 0/24 48.5 49.0 49.4 0/24
04 23 47.7 48.4 49.1 0/24 46.5 46.8 47.1 0/24 47.0 47.1 47.4 0/24 46.9 47.5 48.8 0/24 47.7 48.0 48.4 0/24 47.1 47.4 47.8 0/24 47.6 47.7 48.1 0/24 48.7 49.0 49.5 0/24 49.4 49.6 49.8 0/24
04 24 47.8 48.4 48.9 0/24 46.8 47.1 47.5 0/24 47.1 47.3 47.6 0/24 48.2 48.4 48.8 0/24 47.9 48.1 48.4 0/24 47.5 47.6 47.8 0/24 47.5 47.7 48.0 0/24 48.9 49.1 49.3 0/24 49.4 49.5 49.8 0/24
04 25 47.9 49.1 50.3 0/24 47.2 47.6 48.0 0/24 47.5 47.9 48.4 0/24 48.1 48.4 48.8 0/24 48.0 48.2 48.3 0/24 47.8 48.2 48.7 0/24 47.9 48.4 48.8 0/24 48.5 48.8 49.3 0/24 49.2 49.3 49.5 0/24
04 26 48.7 49.7 50.7 0/24 47.9 48.3 48.6 0/24 48.3 48.7 49.0 0/24 47.7 48.0 48.7 0/24 48.0 48.3 48.6 0/24 48.5 48.7 48.9 0/24 48.7 48.9 49.2 0/24 48.2 48.3 48.5 0/24 48.8 49.0 49.2 0/24
04 27 49.4 50.5 52.0 0/24 48.5 48.7 49.0 0/24 48.9 49.1 49.3 0/24 47.9 48.5 49.6 0/24 48.2 48.4 48.7 0/24 48.8 49.1 49.5 0/24 49.1 49.4 49.7 0/24 48.3 48.6 48.9 0/24 49.0 49.3 49.7 0/24
04 28 49.9 50.9 51.9 0/24 49.0 49.6 50.1 0/24 49.4 49.9 50.4 0/24 48.4 48.9 49.9 0/24 48.7 49.2 49.6 0/24 49.1 49.3 49.7 0/24 49.2 49.6 49.9 0/24 49.0 49.4 49.6 0/24 49.5 50.0 50.5 0/24
04 29 50.6 51.7 52.9 0/24 49.7 50.3 50.8 0/24 50.3 50.7 51.1 0/24 48.9 49.5 50.3 0/24 49.6 49.9 50.2 0/24 49.2 49.4 50.0 0/24 49.5 49.8 50.1 0/24 49.7 49.9 50.1 0/24 50.2 50.6 50.8 0/24
04 30 51.7 52.6 53.5 0/24 50.6 51.1 51.5 0/24 51.1 51.4 51.8 0/24 49.4 50.1 50.6 0/24 50.2 50.5 50.8 0/24 49.4 50.0 50.5 0/24 49.9 50.4 50.8 0/24 50.1 50.4 51.0 0/24 50.7 51.0 51.2 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

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

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