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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 38 °F 29 °F 17 °F
Mean Temperature 34 °F 23 °F 10 °F
Min Temperature 31 °F 16 °F 1 °F
Degree Days  
Heating Degree Days (base 65) 55 42 31 1303
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 33 °F 16 °F -8 °F
Precipitation  
Precipitation 0.06 in 0.00 in 0.00 in 0.11 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 38 mph 5 mph 0 mph
Gust Wind 47 mph 26 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.65 in 30.29 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 13, 2013 Rise Set
Actual Time 7:41 AM PST 4:03 PM PST
Civil Twilight 7:05 AM PST 4:39 PM PST
Nautical Twilight 6:25 AM PST 5:19 PM PST
Astronomical Twilight 5:46 AM PST 5:57 PM PST
Moon 2:00 PM PST (12/13) 3:57 AM PST (12/13)
Length of Visible Light 9h 34m
Length of Day
8h 21m
Waxing Gibbous, 88% of the Moon is Illuminated
Dec 13
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Daily Weather History & Observations

2013 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 37 34 30 32 30 29 89 86 82 30.16 29.81 29.57 10 8 4 10 5 15 T  
2 38 31 23 33 23 8 100 72 43 30.15 29.74 29.58 10 7 0 36 11 46 0.00 Fog
3 29 25 20 8 7 6 54 47 39 30.42 30.32 30.18 10 10 10 38 19 47 0.00  
4 27 18 8 6 4 1 66 52 37 30.45 30.42 30.40 10 10 10 18 10 25 0.00  
5 19 14 8 3 2 0 69 59 49 30.43 30.40 30.37 10 10 10 21 10 24 0.00  
6 22 17 11 5 2 -1 63 52 41 30.43 30.39 30.35 10 10 10 22 14 28 0.00  
7 17 10 2 -2 -5 -8 66 50 33 30.45 30.42 30.36 10 10 10 29 13 38 0.00  
8 20 12 3 3 0 -5 69 57 45 30.56 30.51 30.44 10 10 10 12 4 16 0.00  
9 20 11 1 2 0 -5 76 61 45 30.57 30.51 30.45 10 10 10 14 4 20 0.00  
10 24 13 1 5 2 -2 87 65 42 30.55 30.51 30.44 10 10 9 7 3 8 0.00  
11 24 15 5 13 10 2 87 72 57 30.55 30.48 30.35 10 10 10 6 1 7 0.00  
12 29 23 16 18 16 11 84 73 62 30.37 30.26 30.18 10 10 8 7 1 9 0.00  
13 31 21 11 22 17 10 92 81 69 30.49 30.37 30.23 10 10 9 8 2 8 0.00  
14 33 29 24 27 23 19 88 80 72 30.48 30.39 30.27 10 10 8 8 1 10 T  
15 36 34 31 31 29 26 92 85 78 30.34 30.28 30.21 8 6 5 9 2 10 0.00  
16 35 30 24 30 28 24 92 84 75 30.45 30.39 30.32 10 8 5 7 2 9 0.00  
17 35 32 28 30 28 27 100 91 82 30.34 30.17 30.00 10 6 0 8 1 9 0.00 Fog
18 38 33 28 30 24 9 92 65 38 30.18 30.00 29.91 10 9 4 25 8 35 0.00  
19 31 25 19 9 5 2 62 47 31 30.34 30.24 30.14 10 10 10 23 9 30 0.00  
20 24 18 12 20 15 5 92 75 57 30.13 29.84 29.68 10 6 0 12 4 14 0.05 Fog , Snow
21 28 17 5 17 12 4 96 80 63 30.21 30.11 29.92 10 10 9 10 3 12 0.00  
22 28 20 12 22 17 11 92 81 69 30.35 30.31 30.21 10 10 9 6 1 6 0.00  
23 33 25 17 30 26 15 100 89 78 30.43 30.20 30.02 10 6 0 9 2 12 0.06 Fog , Snow
24 27 20 12 25 19 9 100 91 81 30.64 30.51 30.38 10 1 0 9 1 9 0.00 Fog
25 29 24 19 24 20 16 96 87 78 30.65 30.54 30.44 10 8 0 7 1 8 0.00 Fog
26 30 22 14 26 19 12 96 90 84 30.47 30.38 30.32 10 6 0 5 1 6 0.00 Fog
27 30 23 16 27 23 12 92 88 84 30.36 30.23 30.08 10 4 0 9 2 13 T Fog , Rain
28 29 27 25 27 25 23 100 92 84 30.53 30.47 30.27 10 3 0 6 1 8 0.00 Fog
29 29 27 25 25 24 22 92 85 78 30.48 30.38 30.27 10 7 0 12 3 16 T Fog
30 32 30 27 28 26 23 92 85 78 30.38 30.25 30.12 10 10 8 10 3 13 0.00  
31 37 32 26 30 28 24 92 84 75 30.42 30.23 30.11 10 8 6 9 1 12 0.00