Weather History for KBFI - December, 2011

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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 54 °F 44 °F 37 °F
Mean Temperature 52 °F 39 °F 30 °F
Min Temperature 50 °F 34 °F 24 °F
Degree Days  
Heating Degree Days (base 65) 34 26 13 792
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 51 °F 36 °F 25 °F
Precipitation  
Precipitation 0.47 in 0.03 in 0.00 in 1.00 in
Snowdepth - - - -
Wind  
Wind 20 mph 4 mph 0 mph
Gust Wind 38 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.79 in 30.30 in 29.55 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 15, 2011 Rise Set
Actual Time 7:50 AM PST 4:18 PM PST
Civil Twilight 7:14 AM PST 4:54 PM PST
Nautical Twilight 6:35 AM PST 5:33 PM PST
Astronomical Twilight 5:57 AM PST 6:10 PM PST
Moon 10:10 PM PST (12/15) 10:51 AM PST (12/15)
Length of Visible Light 9h 39m
Length of Day
8h 28m
Waning Gibbous, 73% of the Moon is Illuminated
Dec 15
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 8
Full

Daily Weather History & Observations

2011 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 41 38 35 37 36 34 100 93 82 30.79 30.66 30.44 10 6 0 7 1 - 0.00 Fog
2 44 37 30 38 35 30 100 86 71 30.53 30.49 30.44 10 9 5 6 3 - 0.00 Rain
3 39 34 30 36 33 30 96 90 83 30.53 30.52 30.49 10 9 7 9 2 - 0.00  
4 45 36 28 36 34 28 100 84 63 30.61 30.56 30.52 10 10 7 7 3 - 0.00  
5 41 34 28 35 32 27 100 93 76 30.58 30.52 30.45 10 5 0 5 1 - 0.00 Fog
6 39 34 30 36 33 30 100 92 82 30.48 30.46 30.44 9 5 0 8 3 - 0.00 Fog
7 43 39 35 37 36 33 100 90 79 30.48 30.46 30.44 10 6 2 8 4 - 0.00  
8 41 38 35 34 32 31 87 78 70 30.46 30.42 30.39 10 10 10 7 2 - 0.00  
9 41 34 28 34 31 27 100 89 73 30.38 30.27 30.15 10 8 6 7 1 - 0.00  
10 39 34 30 37 33 28 97 89 81 30.17 30.14 30.12 10 7 4 10 5 - 0.01 Rain
11 42 40 37 37 35 32 100 87 73 30.23 30.15 30.11 10 8 2 6 2 - 0.05 Rain
12 39 34 30 32 30 27 100 87 65 30.28 30.20 30.10 10 7 0 8 2 - 0.00 Fog
13 41 36 30 32 30 29 100 86 65 30.14 30.07 30.03 10 8 0 8 1 - 0.00 Fog
14 41 38 34 34 32 30 89 79 70 30.18 30.13 30.07 10 10 9 9 5 - 0.01 Rain
15 44 40 37 43 40 33 100 93 79 30.48 30.33 30.12 10 6 2 7 2 - 0.03 Rain
16 50 42 34 43 41 34 100 89 74 30.49 30.45 30.40 10 9 2 9 5 - 0.00  
17 51 40 30 40 35 30 100 88 61 30.39 30.22 30.03 10 6 0 10 3 20 0.00 Fog
18 48 44 37 45 42 37 100 91 76 30.44 30.25 30.08 10 8 1 8 2 - 0.08 Rain
19 46 42 37 40 38 36 100 93 74 30.48 30.45 30.40 10 7 0 7 5 - 0.00 Fog
20 45 42 37 43 39 36 97 89 79 30.40 30.32 30.28 10 9 3 9 6 - 0.00  
21 46 39 30 39 34 29 100 88 61 30.54 30.48 30.37 10 8 5 7 1 - 0.00 Fog
22 37 30 24 34 30 25 100 96 76 30.54 30.41 30.33 10 4 0 13 4 - 0.00 Fog
23 48 42 35 43 36 28 93 78 63 30.55 30.50 30.38 10 10 7 13 6 - 0.01 Rain
24 53 46 39 43 40 37 97 83 57 30.51 30.40 30.19 10 10 10 10 5 - 0.01 Rain
25 48 44 39 41 38 35 96 82 68 30.37 30.15 29.97 10 10 10 20 9 38 0.04 Rain
26 43 41 39 39 36 34 93 82 76 30.36 30.27 30.16 10 10 5 9 6 - 0.03 Rain
27 48 44 41 48 41 39 100 92 86 30.16 30.10 29.75 10 9 4 9 3 - 0.03 Rain
28 54 52 50 51 48 42 96 86 74 29.89 29.77 29.59 10 8 4 17 13 31 0.47 Rain
29 50 47 44 48 42 39 94 84 74 30.09 29.83 29.55 10 10 9 16 10 28 0.21 Rain
30 48 41 34 44 37 31 89 77 54 30.22 29.82 29.60 10 10 10 15 10 23 0.02 Rain
31 43 38 33 32 31 29 92 76 58 30.42 30.35 30.26 10 10 10 9 4 - 0.00