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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 52 °F 35 °F 17 °F
Mean Temperature 43 °F 26 °F 7 °F
Min Temperature 36 °F 16 °F -9 °F
Degree Days  
Heating Degree Days (base 65) 58 39 22 1216
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 43 °F 21 °F -13 °F
Precipitation  
Precipitation 0.33 in 0.07 in 0.00 in 1.73 in
Snowdepth - - - -
Wind  
Wind 39 mph 6 mph 0 mph
Gust Wind 46 mph 25 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.47 in 30.00 in 29.34 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 14, 2012 Rise Set
Actual Time 7:21 AM PST 4:19 PM PST
Civil Twilight 6:49 AM PST 4:52 PM PST
Nautical Twilight 6:12 AM PST 5:28 PM PST
Astronomical Twilight 5:38 AM PST 6:03 PM PST
Moon 8:29 AM PST (12/14) 6:20 PM PST (12/14)
Length of Visible Light 10h 03m
Length of Day
8h 57m
Waxing Crescent, 3% of the Moon is Illuminated
Dec 14
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Daily Weather History & Observations

2012 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 48 40 31 41 37 31 89 80 70 29.86 29.75 29.52 10 10 7 25 6 32 0.06 Rain
2 49 39 28 42 32 24 92 69 45 30.07 29.64 29.34 10 9 6 28 14 38 0.33 Rain
3 44 37 29 33 28 26 92 73 53 30.21 30.14 30.04 10 10 10 21 5 26 0.02 Rain
4 49 43 36 43 38 33 96 84 71 30.07 30.02 29.97 10 10 7 15 7 20 0.18 Rain
5 51 41 30 41 35 27 96 73 50 30.14 30.07 29.99 10 10 9 21 9 26 0.06 Rain
6 41 32 23 30 26 21 100 77 54 30.22 30.15 30.09 10 10 10 15 6 20 0.00  
7 37 29 20 26 22 17 92 73 54 30.23 30.15 30.08 10 10 10 16 5 21 0.00  
8 35 31 27 25 22 18 78 63 47 30.25 30.16 30.07 10 10 10 17 8 22 0.00  
9 36 33 29 29 27 24 85 75 64 30.43 30.34 30.22 10 10 5 13 3 15 T Snow
10 52 40 28 34 28 25 92 64 35 30.34 30.26 30.15 10 10 10 20 8 24 0.00  
11 43 33 22 32 28 20 96 75 53 30.12 29.81 29.61 10 9 2 18 3 23 0.03 Snow
12 36 30 23 30 27 21 100 85 70 29.92 29.77 29.60 10 9 0 12 5 14 T Fog
13 38 28 18 25 20 16 96 72 48 30.01 29.93 29.86 10 10 10 12 4 14 0.00  
14 30 23 15 27 20 12 100 89 78 29.98 29.83 29.73 10 5 0 7 1 8 T Fog , Snow
15 29 24 18 27 22 16 92 85 78 29.99 29.81 29.70 10 4 0 8 2 9 0.18 Fog , Snow
16 38 32 26 31 28 24 92 84 75 29.90 29.76 29.45 10 4 0 23 7 30 0.25 Fog , Snow
17 38 19 0 34 20 -2 92 76 59 30.05 29.75 29.46 10 10 10 39 16 46 T  
18 26 9 -9 15 -1 -13 91 77 62 30.23 30.07 29.90 10 9 1 9 3 12 0.00  
19 26 9 -9 17 1 -13 92 77 62 30.35 30.17 30.01 10 7 0 12 5 18 0.00 Fog
20 39 31 22 24 20 14 74 63 52 30.10 29.95 29.87 10 10 10 22 11 30 0.00  
21 38 35 31 31 27 22 92 74 56 29.90 29.85 29.78 10 9 2 15 7 20 0.01 Snow
22 38 28 17 32 25 16 89 77 64 29.94 29.76 29.65 10 8 1 28 9 35 0.04 Snow
23 37 27 16 30 24 14 92 84 75 29.99 29.82 29.58 10 7 0 22 10 30 0.19 Fog , Snow
24 33 18 2 21 13 0 92 74 56 30.34 30.14 29.88 10 10 10 15 6 20 0.00  
25 27 15 2 23 19 0 95 88 81 30.25 29.92 29.73 10 4 0 14 5 16 0.29 Fog , Snow
26 28 18 8 25 20 5 92 88 84 30.02 29.79 29.67 10 4 0 10 3 13 0.07 Fog , Snow
27 26 13 0 21 6 -4 95 84 73 30.33 30.10 29.89 10 5 0 9 3 12 T Fog , Snow
28 17 7 -3 10 0 -6 96 86 75 30.33 30.23 30.13 10 6 0 7 2 8 0.00 Fog
29 23 14 5 18 14 6 92 86 80 30.27 30.10 29.98 10 6 0 7 1 7 0.02 Fog , Snow
30 18 8 -3 13 8 -6 95 88 80 30.38 30.26 30.04 10 5 0 6 1 7 T Fog , Snow
31 18 13 7 14 11 6 96 88 80 30.47 30.38 30.19 10 10 10 9 3 13 0.00