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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 63 °F 54 °F 44 °F
Mean Temperature 60 °F 48 °F 39 °F
Min Temperature 57 °F 41 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 26 18 5 544
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 1 0 33
Dew Point  
Dew Point 60 °F 43 °F 28 °F
Precipitation  
Precipitation 1.23 in 0.19 in 0.00 in 5.90 in
Snowdepth - - - -
Wind  
Wind 32 mph 7 mph 0 mph
Gust Wind 43 mph 27 mph 21 mph
Sea Level Pressure  
Sea Level Pressure 30.33 in 30.06 in 29.69 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 13, 2012 Rise Set
Actual Time 7:16 AM PST 4:45 PM PST
Civil Twilight 6:46 AM PST 5:15 PM PST
Nautical Twilight 6:13 AM PST 5:48 PM PST
Astronomical Twilight 5:40 AM PST 6:21 PM PST
Moon 7:30 AM PST (12/13) 5:33 PM PST (12/13)
Length of Visible Light 10h 28m
Length of Day
9h 29m
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 63 60 57 60 57 54 100 91 82 30.03 29.97 29.84 10 6 1 24 15 33 0.49 Rain
2 63 56 48 59 53 45 100 86 56 30.10 29.88 29.69 10 8 2 31 18 43 1.23 Rain
3 60 50 41 52 48 39 100 89 72 30.21 30.16 30.09 10 9 0 8 3 - 0.01 Fog
4 60 56 53 56 53 51 96 87 78 30.23 30.19 30.15 10 9 6 7 3 - 0.03 Rain
5 57 55 53 56 55 53 100 97 93 30.19 30.15 30.12 10 6 1 15 7 - 0.46 Rain
6 60 56 50 55 52 46 96 88 69 30.14 30.10 30.07 10 9 3 10 5 - 0.00  
7 59 50 42 47 44 40 100 83 58 30.15 30.10 30.07 10 10 6 8 2 - 0.01 Fog
8 55 48 41 46 43 41 100 91 60 30.13 30.08 30.03 10 5 0 7 2 - 0.00 Fog
9 61 50 39 48 42 38 100 80 55 30.20 30.14 30.10 10 9 4 7 2 - 0.00 Fog
10 62 50 37 50 43 37 100 90 58 30.26 30.19 30.12 10 4 0 6 2 - 0.00 Fog
11 57 47 37 52 46 38 100 91 77 30.09 29.97 29.81 10 4 0 22 6 37 0.01 Fog , Rain
12 55 48 42 48 43 39 94 79 53 29.90 29.84 29.80 10 10 10 15 10 - 0.00  
13 52 44 37 42 39 35 97 84 68 29.94 29.89 29.84 10 10 10 9 4 - 0.00  
14 48 42 36 40 38 34 97 86 71 30.03 29.92 29.83 10 10 10 7 3 - 0.00 Fog
15 45 39 33 43 39 33 100 94 85 30.12 30.07 30.04 10 4 0 7 1 - 0.21 Fog , Rain
16 52 48 43 48 42 40 97 80 63 30.14 30.07 30.01 10 9 5 17 7 23 0.00 Rain
17 57 50 42 54 49 39 100 93 78 30.04 29.99 29.94 10 6 0 21 14 30 0.13 Fog , Rain
18 52 44 35 45 32 28 93 66 43 30.17 30.04 29.97 10 10 10 16 10 22 0.00 Fog
19 48 39 30 33 30 28 89 70 44 30.33 30.26 30.17 10 10 10 9 6 - 0.00  
20 55 44 32 34 31 28 89 60 34 30.24 30.11 30.00 10 10 10 17 8 22 0.00  
21 51 48 44 45 38 29 86 70 50 29.98 29.93 29.88 10 9 5 22 15 32 0.52 Rain
22 55 50 46 48 46 43 96 86 71 30.09 29.93 29.83 10 8 2 29 18 39 1.04 Rain
23 52 50 48 49 48 46 96 89 83 30.07 29.93 29.86 10 6 2 32 18 43 0.91 Rain
24 52 46 39 46 43 38 100 93 77 30.22 30.15 29.99 10 6 0 12 7 - 0.01 Fog
25 48 44 39 46 43 37 100 94 86 30.15 30.01 29.81 10 6 4 16 5 21 0.84 Rain
26 53 46 39 46 43 38 97 89 74 30.09 29.95 29.83 10 10 7 14 9 - 0.00  
27 51 44 37 45 40 37 100 94 74 30.17 30.14 30.09 10 5 0 10 4 - 0.00 Fog
28 44 40 35 40 38 34 100 92 82 30.20 30.15 30.09 10 7 3 10 5 - 0.00 Fog
29 53 46 37 41 39 36 96 83 62 30.08 30.06 30.02 10 10 10 16 7 - 0.00  
30 53 44 34 40 35 31 100 78 52 30.17 30.09 30.05 10 9 0 20 8 26 0.00 Fog
31 48 41 34 34 31 28 89 71 50 30.31 30.25 30.17 10 10 7 15 8 - 0.00