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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 78 °F 63 °F 52 °F
Mean Temperature 66 °F 54 °F 44 °F
Min Temperature 57 °F 45 °F 34 °F
Degree Days  
Heating Degree Days (base 65) 20 11 0 338
Cooling Degree Days (base 65) 2 0 0 5
Growing Degree Days (base 50) 16 5 0 166
Dew Point  
Dew Point 51 °F 32 °F 10 °F
Precipitation  
Precipitation 0.44 in 0.03 in 0.00 in 0.96 in
Snowdepth - - - -
Wind  
Wind 28 mph 5 mph 0 mph
Gust Wind 34 mph 24 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.00 in 29.58 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 13, 2012 Rise Set
Actual Time 6:37 AM PST 4:28 PM PST
Civil Twilight 6:09 AM PST 4:56 PM PST
Nautical Twilight 5:37 AM PST 5:28 PM PST
Astronomical Twilight 5:07 AM PST 5:58 PM PST
Moon 6:51 AM PST (12/13) 5:14 PM PST (12/13)
Length of Visible Light 10h 46m
Length of Day
9h 50m
New Moon, 0% of the Moon is Illuminated
Dec 13
New Moon
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 78 66 55 50 46 39 75 48 25 30.05 29.97 29.93 10 10 10 12 6 - 0.00  
2 78 66 55 48 45 43 64 48 30 29.99 29.93 29.86 10 10 10 17 6 - 0.00  
3 75 66 57 49 47 44 65 51 36 30.12 30.02 29.94 10 10 10 12 5 - 0.00  
4 75 65 55 46 44 42 67 49 34 30.22 30.14 30.10 10 10 10 9 4 - 0.00  
5 75 62 50 44 42 41 71 48 32 30.09 29.99 29.90 10 10 10 8 3 - 0.00  
6 75 64 53 43 41 39 62 46 27 29.91 29.85 29.77 10 10 10 9 5 - 0.00  
7 75 63 51 39 32 24 63 36 17 29.93 29.88 29.84 10 10 10 22 6 29 0.00  
8 71 58 46 28 24 20 40 29 18 29.94 29.88 29.83 10 10 10 9 3 - 0.00  
9 69 56 44 27 21 17 38 26 17 30.19 30.03 29.89 10 10 10 28 8 34 0.00  
10 64 55 46 22 20 19 33 27 18 30.22 30.14 30.05 10 10 10 20 10 25 0.00  
11 66 56 46 25 23 21 41 30 20 30.09 30.00 29.92 10 10 10 9 4 - 0.00  
12 68 57 46 22 20 18 37 25 15 29.93 29.85 29.78 10 10 10 9 4 - 0.00  
13 68 60 51 51 40 18 94 60 24 29.80 29.72 29.63 10 10 6 21 6 29 0.39 Rain
14 57 52 48 50 42 37 93 69 49 29.93 29.77 29.58 10 10 7 20 8 26 0.44 Rain
15 57 52 48 46 40 29 90 68 34 30.02 29.94 29.88 10 10 10 10 5 18 0.05 Rain
16 57 50 42 46 41 38 89 68 51 30.13 30.08 30.01 10 10 10 8 3 - 0.00  
17 61 56 52 47 44 41 77 65 49 30.12 30.03 29.90 10 10 10 8 4 - 0.00  
18 61 54 46 51 43 27 84 64 38 29.90 29.77 29.65 10 10 4 22 6 31 0.08 Rain
19 53 48 42 34 21 14 63 36 21 30.39 30.18 29.84 10 10 10 22 12 30 0.00  
20 54 46 37 25 22 19 55 41 25 30.40 30.31 30.21 10 10 10 16 8 - 0.00  
21 55 46 37 36 27 23 65 48 29 30.19 30.14 30.08 10 10 10 9 4 - 0.00  
22 57 47 37 36 32 26 73 57 30 30.13 30.09 30.04 10 10 10 7 2 - 0.00  
23 62 50 39 39 35 30 77 56 33 30.15 30.06 29.97 10 10 10 12 3 - 0.00  
24 70 58 45 41 32 10 71 45 18 30.09 29.94 29.83 10 10 10 18 4 26 0.00  
25 55 49 42 24 18 13 47 29 22 30.19 30.09 29.98 10 10 10 20 11 23 0.00  
26 52 44 37 33 28 24 73 55 35 29.93 29.89 29.83 10 10 10 8 4 - 0.00 Rain
27 57 46 34 33 30 27 85 58 33 30.06 29.95 29.88 10 10 10 9 4 - 0.00  
28 57 48 39 29 25 22 65 45 26 30.21 30.14 30.08 10 10 10 13 6 - 0.00  
29 57 46 36 30 28 25 70 52 29 30.13 30.04 29.95 10 10 10 7 2 - 0.00  
30 55 46 37 31 29 27 70 52 35 29.98 29.91 29.85 10 10 10 9 4 - 0.00  
31 54 46 37 29 22 17 70 43 24 30.23 30.14 29.99 10 10 10 15 7 - 0.00