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Month of December, 2011

  Max Avg Min Sum
Temperature  
Max Temperature 57 °F 47 °F 38 °F
Mean Temperature 48 °F 32 °F 23 °F
Min Temperature 42 °F 16 °F 4 °F
Degree Days  
Heating Degree Days (base 65) 42 33 17 1025
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 48 °F 19 °F -4 °F
Precipitation  
Precipitation 0.45 in 0.02 in 0.00 in 0.54 in
Snowdepth - - - -
Wind  
Wind 29 mph 3 mph 0 mph
Gust Wind 36 mph 32 mph 29 mph
Sea Level Pressure  
Sea Level Pressure 30.81 in 30.38 in 29.88 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 11, 2011 Rise Set
Actual Time 7:26 AM PST 4:39 PM PST
Civil Twilight 6:55 AM PST 5:10 PM PST
Nautical Twilight 6:20 AM PST 5:45 PM PST
Astronomical Twilight 5:46 AM PST 6:19 PM PST
Moon 5:54 PM PST (12/11) 8:19 AM PST (12/11)
Length of Visible Light 10h 15m
Length of Day
9h 12m
Full, 99% of the Moon is Illuminated
Dec 11
Full
Dec 17
Last Quarter
Dec 24
New
Dec 31
First Quarter
Jan 8
Full

Daily Weather History & Observations

2011 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 54 37 20 26 20 16 85 59 28 30.68 30.58 30.47 10 10 10 15 3 20 0.00  
2 54 35 15 25 19 14 84 61 24 30.45 30.37 30.20 10 10 10 20 5 23 0.00  
3 50 32 13 24 15 9 92 61 18 30.51 30.47 30.40 10 10 10 9 2 10 0.00  
4 48 31 13 21 16 9 88 58 31 30.52 30.45 30.37 10 10 10 18 3 23 0.00  
5 48 33 18 19 16 12 77 56 31 30.56 30.49 30.42 10 10 10 17 2 20 0.00  
6 44 29 13 17 13 9 80 61 33 30.59 30.52 30.47 10 10 10 6 1 6 0.00  
7 45 31 16 21 16 12 88 64 37 30.51 30.41 30.33 10 10 10 7 1 7 0.00  
8 49 31 13 25 17 11 88 71 39 30.45 30.38 30.29 10 10 10 7 1 8 0.00  
9 47 29 11 27 18 8 96 71 42 30.48 30.40 30.33 10 10 8 6 0 9 0.00  
10 43 26 9 25 14 7 96 83 49 30.36 30.24 30.11 10 6 0 5 1 6 0.00 Fog
11 46 29 11 26 15 9 100 84 45 30.09 29.99 29.93 10 4 0 16 4 20 0.00 Fog
12 45 31 16 25 20 14 92 70 40 30.06 29.99 29.90 10 10 10 14 5 16 0.00  
13 40 25 10 22 15 7 92 75 48 30.27 30.16 30.08 10 10 9 16 1 29 0.00  
14 42 25 8 23 17 5 92 70 45 30.40 30.28 30.19 10 10 8 9 2 9 0.00  
15 49 36 23 30 26 22 88 69 46 30.51 30.37 30.19 10 10 10 13 5 15 0.00  
16 48 34 20 28 23 17 92 72 45 30.60 30.54 30.48 10 10 10 9 2 10 0.00  
17 50 32 14 26 19 13 92 68 36 30.49 30.38 30.27 10 10 10 8 2 9 0.00  
18 49 32 14 33 22 10 92 73 42 30.36 30.29 30.24 10 10 10 17 3 18 0.00  
19 50 32 14 30 19 14 100 80 39 30.47 30.39 30.33 10 8 1 8 1 9 T Snow
20 50 32 14 22 16 12 88 63 27 30.45 30.37 30.27 10 10 10 9 2 9 0.00  
21 48 29 10 24 9 1 88 53 15 30.51 30.41 30.34 10 10 10 16 4 17 0.00  
22 42 23 4 10 4 -4 80 54 27 30.70 30.63 30.51 10 10 6 9 2 10 0.00  
23 41 25 9 13 8 2 74 53 28 30.81 30.75 30.69 10 10 10 6 2 8 0.00  
24 44 27 10 15 8 2 73 55 27 30.78 30.68 30.53 10 10 10 7 1 7 0.00  
25 53 32 10 34 17 2 89 68 24 30.53 30.47 30.38 10 10 10 15 4 17 0.00  
26 44 31 17 32 22 15 92 89 58 30.43 30.37 30.31 10 5 0 12 2 13 T Fog
27 47 38 28 35 29 25 92 73 53 30.48 30.40 30.32 10 10 10 8 2 9 T Rain
28 57 48 38 40 38 34 92 74 55 30.33 30.27 30.20 10 10 10 17 4 20 0.04 Rain
29 52 47 42 48 43 40 100 88 77 30.27 30.15 29.99 10 10 10 16 4 26 0.05 Rain
30 52 39 26 44 36 25 93 80 53 30.37 30.09 29.88 10 9 4 29 11 36 0.45 Rain
31 38 29 19 30 25 19 100 92 70 30.47 30.40 30.34 10 7 0 8 2 10 0.00 Fog