Kootenai River Temperature Report for September 2025  
Generated 2025-10-01 13:18:10

  Libby Dam and Lake Koocanusa near Libby (LBQM)
Date Min Avg Max >68.05
09 01 55.0 55.8 56.6 0/24
09 02 54.6 56.3 57.8 0/17
09 03 54.0 54.7 55.8 0/24
09 04 53.2 54.0 55.2 0/24
09 05 52.0 52.8 53.4 0/24
09 06 52.7 53.4 54.1 0/24
09 07 52.9 53.4 54.4 0/24
09 08 52.5 52.8 53.2 0/24
09 09 52.0 53.0 54.2 0/24
09 10 53.3 54.4 55.5 0/23
09 11 55.8 56.5 57.3 0/23
09 12 54.4 55.6 56.7 0/23
09 13 53.4 54.1 54.5 0/23
09 14 52.4 53.1 53.8 0/23
09 15 52.5 52.8 52.9 0/19
09 16 53.1 54.9 56.6 0/23
09 17 56.2 56.9 58.1 0/23
09 18 56.3 56.9 57.9 0/23
09 19 55.0 55.8 56.7 0/23
09 20 53.9 54.6 55.3 0/23
09 21 52.8 53.1 53.7 0/23
09 22 51.0 52.6 53.7 0/20
09 23 --- --- --- 0/0
09 24 --- --- --- 0/0
09 25 --- --- --- 0/0
09 26 --- --- --- 0/0
09 27 51.7 52.1 52.6 0/7
09 28 51.9 52.5 53.3 0/23
09 29 52.6 53.4 54.3 0/23
09 30 54.2 54.6 55.4 0/23
>68.05 0 0 0 0/
577

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.