Lower Granite Fish Ladder Daily Average Temperatures

Date Tailwater
Observation
Deck
Entrance Fish Trap Turn Pool Diffuser Exit Pool Forebay
South of
Exit Pool
Forebay
North of
Exit Pool
30-Nov 48.84 48.46 40.09 48.94 48.88 48.94 48.78 48.92
01-Dec 48.37 47.99 40.08 48.45 48.39 48.45 48.36 48.44
02-Dec 48.06 47.68 39.98 48.16 48.08 48.14 47.97 48.14
03-Dec 47.80 47.43 41.93 47.90 47.82 47.89 47.76 47.87
04-Dec 47.41 47.05 41.16 47.56 47.47 47.54 47.54 47.52
05-Dec 47.02 46.66 46.15 47.19 47.08 47.15 47.12 47.14
06-Dec 46.62 46.26 50.19 46.79 46.68 46.74 46.67 46.74
07-Dec 46.41 46.05 48.42 46.55 46.44 46.50 46.48 46.48
08-Dec 46.05 45.72 50.78 46.34 46.22 46.29 46.12 46.25
09-Dec 45.53 45.21 49.87 45.81 45.70 45.79 45.57 45.76
10-Dec 45.35 45.06 56.61 45.80 45.68 45.81 45.61 45.75
11-Dec 45.34 45.00 52.78 45.55 45.42 45.50 45.31 45.47
12-Dec 45.47 45.12 48.84 45.66 45.54 45.63 45.48 45.61
13-Dec 45.43 45.08 49.01 45.60 45.48 45.53 45.35 45.52
14-Dec 45.14 44.78 48.04 45.28 45.17 45.22 44.96 45.20
15-Dec 45.31 44.95 50.61 45.44 45.31 45.37 45.14 45.35
16-Dec 45.45 45.09 49.45 45.59 45.47 45.53 45.36 45.51
17-Dec 45.49 45.12 47.69 45.59 45.48 45.54 45.24 45.52
18-Dec 45.23 44.87 46.09 45.39 45.28 45.34 45.15 45.32
19-Dec 44.56 44.21 44.76 44.73 44.62 44.68 44.48 44.67
20-Dec 44.24 43.87 43.40 44.37 44.27 44.33 44.08 44.32
21-Dec 44.10 43.73 43.25 44.23 44.13 44.19 43.91 44.18
22-Dec 43.88 43.53 43.86 44.05 43.94 44.00 43.78 43.98
23-Dec 43.27 42.93 43.92 43.49 43.38 43.46 43.28 43.45
24-Dec 42.24 41.93 47.96 42.55 42.42 42.50 42.32 42.45
25-Dec 41.54 41.21 44.41 41.83 41.70 41.77 41.61 41.73
26-Dec 41.44 41.09 42.15 41.60 41.48 41.55 41.30 41.52
27-Dec 41.40 41.03 37.32 41.49 41.40 41.48 41.22 41.45
28-Dec 41.82 41.42 35.10 41.80 41.73 41.82 41.58 41.79
29-Dec 42.10 41.71 36.88 42.11 42.03 42.11 41.87 42.10
30-Dec 42.07 41.69 33.32 42.09 42.01 42.08 41.88 42.07

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