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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 48 °F 32 °F 16 °F
Mean Temperature 38 °F 26 °F 8 °F
Min Temperature 32 °F 18 °F -1 °F
Degree Days  
Heating Degree Days (base 65) 57 39 27 1218
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 37 °F 19 °F -6 °F
Precipitation  
Precipitation 0.31 in 0.03 in 0.00 in 0.67 in
Snowdepth 3.0 in 0.4 in 0.0 in -
Wind  
Wind 33 mph 3 mph 0 mph
Gust Wind 46 mph 29 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.58 in 30.27 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 12, 2013 Rise Set
Actual Time 7:39 AM PST 4:10 PM PST
Civil Twilight 7:03 AM PST 4:45 PM PST
Nautical Twilight 6:24 AM PST 5:24 PM PST
Astronomical Twilight 5:47 AM PST 6:02 PM PST
Moon 1:33 PM PST (12/12) 2:52 AM PST (12/12)
Length of Visible Light 9h 42m
Length of Day
8h 30m
Waxing Gibbous, 81% of the Moon is Illuminated
Dec 12
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 43 38 32 37 31 28 100 89 54 30.15 29.87 29.62 10 6 0 22 5 31 0.27 Fog , Rain
2 43 35 26 31 25 16 93 70 45 30.05 29.80 29.64 10 8 1 28 13 46 T Snow
3 34 29 19 23 12 7 75 52 32 30.35 30.24 30.07 10 10 10 12 5 - 0.00  
4 24 16 8 11 9 5 77 62 49 30.43 30.38 30.35 10 10 10 5 1 - 0.00  
5 21 17 12 8 4 0 73 59 45 30.38 30.35 30.32 10 10 10 8 3 10 0.00  
6 18 12 5 14 9 -3 86 69 43 30.37 30.32 30.27 10 6 2 24 6 38 0.00 Snow
7 16 8 -1 2 -2 -6 73 55 41 30.44 30.39 30.34 10 10 10 12 6 20 0.00  
8 16 8 -1 5 1 -2 84 63 46 30.58 30.50 30.43 10 10 10 9 3 - T  
9 18 13 7 6 4 0 77 67 55 30.56 30.50 30.43 10 10 10 7 2 - T  
10 25 15 5 9 7 4 88 70 55 30.53 30.48 30.43 10 10 7 7 1 - 0.00  
11 33 33 32 16 13 7 77 69 60 30.51 30.44 30.33 10 10 10 5 2 - 0.00  
12 34 26 17 27 18 14 100 77 67 30.35 30.24 30.14 10 10 10 5 1 - T  
13 34 29 24 21 19 15 88 77 64 30.46 30.35 30.22 10 10 9 5 2 - T  
14 37 32 27 25 23 21 85 77 64 30.46 30.38 30.30 10 9 6 9 1 - 0.02  
15 43 33 23 28 24 20 93 87 72 30.33 30.26 30.20 10 5 2 10 4 - 0.00  
16 48 37 26 32 28 24 92 73 53 30.42 30.37 30.31 10 9 2 15 5 17 0.00  
17 45 33 21 28 27 26 100 93 82 30.32 30.14 29.99 4 0 0 5 1 - 0.00 Fog
18 34 30 25 36 27 19 100 80 33 30.11 29.94 29.87 10 3 0 9 1 - T Fog
19 34 27 20 21 15 11 57 48 38 30.28 30.19 30.06 10 10 10 12 4 - 0.00  
20 28 24 19 20 16 12 88 74 51 30.08 29.83 29.62 10 9 2 12 2 - 0.31 Snow
21 28 22 16 22 20 17 92 83 74 30.18 30.04 29.81 10 10 7 5 1 - T  
22 34 31 27 24 22 18 93 86 72 30.33 30.27 30.15 9 6 2 4 0 - T  
23 41 35 29 36 26 20 93 77 53 30.40 30.20 30.04 10 7 2 33 5 45 0.07 Rain
24 37 28 18 28 24 19 93 72 49 30.57 30.51 30.43 10 8 0 13 5 - 0.00 Fog
25 28 24 19 27 24 21 93 86 80 30.58 30.51 30.43 10 5 0 6 1 - 0.00 Fog
26 32 26 19 27 25 22 93 85 70 30.45 30.39 30.30 10 10 7 5 1 - 0.00  
27 34 25 16 28 27 24 93 87 80 30.33 30.21 30.06 10 10 6 13 2 - 0.00  
28 30 25 20 28 25 21 100 86 75 30.53 30.42 30.29 9 1 0 7 3 - T Fog
29 34 27 19 25 23 21 93 85 74 30.48 30.34 30.24 10 6 0 7 5 - T  
30 34 27 19 28 26 25 93 87 80 30.36 30.22 30.12 10 8 3 6 1 - T  
31 40 32 24 30 27 23 92 84 76 30.38 30.24 30.12 10 6 1 13 3 21 0.00