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Month of December, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 75 °F 63 °F 51 °F
Mean Temperature 62 °F 53 °F 42 °F
Min Temperature 57 °F 42 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 22 13 4 391
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 4 0 121
Dew Point  
Dew Point 59 °F 43 °F 7 °F
Precipitation  
Precipitation 0.48 in 0.03 in 0.00 in 0.87 in
Snowdepth - - - -
Wind  
Wind 20 mph 2 mph 0 mph
Gust Wind 26 mph 23 mph 21 mph
Sea Level Pressure  
Sea Level Pressure 30.29 in 30.06 in 29.73 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 04, 2012 Rise Set
Actual Time 6:40 AM PST 4:41 PM PST
Civil Twilight 6:13 AM PST 5:08 PM PST
Nautical Twilight 5:42 AM PST 5:39 PM PST
Astronomical Twilight 5:11 AM PST 6:09 PM PST
Moon 10:22 PM PST (12/4) 10:46 AM PST (12/4)
Length of Visible Light 10h 55m
Length of Day
10h 00m
Waning Gibbous, 68% of the Moon is Illuminated
Dec 4
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 19
First Quarter
Dec 28
Full

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 66 62 57 58 57 55 100 91 70 30.20 30.14 30.09 10 5 2 10 2 - 0.00  
2 66 62 57 59 57 55 97 89 70 30.16 30.12 30.08 10 6 2 10 3 - 0.02 Rain
3 66 62 57 59 57 55 100 92 68 30.21 30.17 30.12 10 3 0 7 2 - 0.11 Fog , Rain
4 70 60 51 57 55 50 100 88 53 30.26 30.19 30.14 7 2 0 6 2 - 0.00 Fog
5 73 60 48 55 51 45 100 86 37 30.17 30.10 30.01 10 3 0 9 2 - 0.00 Fog
6 66 58 50 54 53 48 100 89 65 30.03 29.96 29.88 4 2 0 5 1 - 0.00 Fog
7 75 60 46 54 49 46 100 89 41 29.99 29.95 29.91 8 2 0 9 1 - 0.00 Fog
8 69 54 39 53 47 37 100 88 55 30.01 29.96 29.90 10 3 0 8 1 - 0.00 Fog
9 70 57 44 50 48 45 100 85 44 30.14 30.05 29.99 7 2 0 10 1 - 0.00 Fog
10 75 60 44 46 38 26 93 56 16 30.15 30.10 30.04 10 8 2 9 4 - 0.00  
11 73 55 37 48 41 33 93 68 22 30.08 30.02 29.95 10 8 2 10 2 - 0.00  
12 61 50 39 51 44 38 100 87 54 30.00 29.95 29.85 10 3 0 7 1 - 0.00 Fog , Rain
13 57 52 42 52 49 40 100 89 55 29.85 29.80 29.73 10 5 1 9 2 - 0.48 Rain
14 55 47 39 44 40 36 97 77 51 30.02 29.91 29.78 10 8 5 14 2 - 0.00 Rain
15 57 50 42 44 40 31 96 73 36 30.11 30.03 29.99 10 9 6 8 2 - 0.00 Rain
16 55 52 48 52 47 41 100 81 66 30.19 30.16 30.10 10 7 2 7 2 - 0.00  
17 62 56 51 52 50 48 94 83 65 30.18 30.11 30.02 10 6 2 8 1 - 0.00  
18 59 52 45 54 45 21 100 77 34 30.00 29.90 29.80 10 6 1 20 5 26 0.02 Rain
19 60 45 30 29 18 7 85 40 14 30.29 30.19 30.01 10 10 10 13 5 25 0.00  
20 64 47 30 26 21 17 76 40 17 30.27 30.18 30.10 10 10 9 12 4 - 0.00  
21 64 47 30 36 29 24 86 54 22 30.15 30.09 30.05 10 9 5 4 0 - 0.00  
22 61 47 33 46 37 30 89 69 34 30.20 30.15 30.08 10 8 5 9 2 - 0.00  
23 62 55 48 50 47 43 93 78 50 30.23 30.17 30.12 10 7 4 10 4 - 0.00  
24 61 52 44 52 49 43 100 90 70 30.13 30.08 30.00 10 4 0 7 2 - 0.10 Fog , Rain
25 61 52 39 48 43 26 100 83 27 30.12 30.08 30.01 10 4 0 5 1 - 0.00 Fog
26 59 50 42 49 42 38 93 81 53 30.00 29.96 29.91 10 6 2 14 3 21 0.10 Rain
27 59 46 33 44 36 32 100 81 36 30.12 30.01 29.97 10 6 0 6 1 - 0.00 Fog
28 61 48 34 37 32 25 92 62 26 30.20 30.13 30.09 10 9 7 6 2 - 0.00  
29 51 42 34 45 38 28 100 86 50 30.11 30.04 30.00 10 6 0 8 1 - 0.03 Fog , Rain
30 52 44 35 43 38 34 100 93 61 30.08 30.00 29.92 10 3 0 12 1 - 0.01 Fog , Rain
31 57 44 30 38 33 29 100 84 34 30.27 30.16 30.07 10 5 0 12 2 - 0.00 Fog