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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 85 °F 72 °F 57 °F
Mean Temperature 68 °F 59 °F 47 °F
Min Temperature 55 °F 45 °F 36 °F
Degree Days  
Heating Degree Days (base 65) 18 6 0 201
Cooling Degree Days (base 65) 3 0 0 6
Growing Degree Days (base 50) 17 8 0 254
Dew Point  
Dew Point 56 °F 36 °F -4 °F
Precipitation  
Precipitation 0.32 in 0.02 in 0.00 in 0.53 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 16 mph 2 mph 0 mph
Gust Wind 24 mph 18 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.30 in 30.07 in 29.71 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 13, 2013 Rise Set
Actual Time 6:48 AM PST 4:44 PM PST
Civil Twilight 6:20 AM PST 5:11 PM PST
Nautical Twilight 5:49 AM PST 5:42 PM PST
Astronomical Twilight 5:19 AM PST 6:13 PM PST
Moon 2:24 PM PST (12/13) 3:22 AM PST (12/13)
Length of Visible Light 10h 50m
Length of Day
9h 55m
Waxing Gibbous, 88% of the Moon is Illuminated
Dec 13
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Daily Weather History & Observations

2013 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 82 66 50 48 41 33 83 50 17 30.19 30.13 30.07 10 10 10 6 1 9 0.00  
2 75 62 49 47 41 34 71 47 23 30.08 30.00 29.91 10 10 7 7 1 9 0.00  
3 66 58 49 54 47 39 77 67 57 29.89 29.81 29.75 10 10 10 12 4 14 0.00  
4 63 55 47 44 38 32 82 59 36 29.96 29.89 29.77 10 10 10 12 3 24 0.00  
5 61 52 43 38 36 32 76 56 35 30.10 30.01 29.95 10 10 10 10 4 20 0.00  
6 61 53 45 41 38 36 71 57 42 30.17 30.12 30.08 10 10 10 10 5 16 0.00  
7 58 51 44 50 43 38 89 76 63 30.10 30.06 29.99 10 8 2 10 1 21 0.21 Rain
8 57 47 36 39 36 31 92 66 40 30.20 30.14 30.10 10 10 8 8 1 12 0.00  
9 64 51 38 35 18 -4 76 43 9 30.28 30.24 30.19 10 9 7 16 3 20 0.00  
10 72 59 46 32 11 -2 24 16 7 30.24 30.15 30.07 10 10 10 13 5 18 0.00  
11 75 56 37 38 27 12 64 37 9 30.16 30.12 30.08 10 10 8 12 2 20 0.00  
12 67 56 44 50 42 28 86 56 26 30.21 30.17 30.12 10 9 6 9 2 13 0.00  
13 67 56 45 50 43 34 86 58 29 30.22 30.18 30.12 10 6 4 7 3 9 0.00  
14 77 59 41 43 35 24 93 54 14 30.27 30.22 30.17 10 8 3 7 1 10 0.00  
15 83 63 43 34 29 23 67 39 11 30.22 30.14 30.06 10 10 10 9 2 12 0.00  
16 85 68 50 44 37 31 56 36 15 30.10 30.07 30.03 10 10 9 12 2 15 0.00  
17 79 65 50 51 44 39 71 50 28 30.11 30.04 30.00 10 10 9 7 1 9 0.00  
18 71 63 55 56 51 44 77 59 40 29.99 29.91 29.85 10 9 6 9 2 14 0.00  
19 57 55 53 52 48 45 89 78 67 29.85 29.77 29.71 10 7 1 10 4 14 0.32 Rain
20 64 53 42 49 45 40 93 77 60 29.94 29.85 29.76 10 8 4 8 2 12 0.00  
21 63 54 45 49 45 42 86 71 56 30.08 29.98 29.92 10 9 6 8 3 9 0.00  
22 71 57 43 50 45 41 93 67 40 30.25 30.18 30.09 8 5 2 8 1 10 0.00  
23 77 61 44 45 39 32 89 55 21 30.30 30.23 30.16 10 8 2 7 1 10 0.00  
24 80 64 47 47 39 32 76 47 17 30.18 30.13 30.07 10 10 10 6 2 - 0.00  
25 83 66 49 38 24 10 68 38 7 30.18 30.13 30.09 10 10 10 15 5 20 0.00  
26 84 66 47 30 21 7 49 27 5 30.15 30.11 30.05 10 10 10 15 3 22 0.00  
27 85 65 45 33 25 8 53 30 6 30.14 30.08 30.02 10 10 10 7 2 10 0.00  
28 72 62 51 52 41 25 59 39 18 30.02 29.99 29.92 10 8 0 8 2 14 0.00 Fog
29 79 62 44 51 34 12 100 54 8 30.13 30.05 30.00 10 6 0 10 1 - 0.00 Fog
30 76 59 41 35 27 16 57 34 11 30.25 30.19 30.14 10 10 10 8 1 10 0.00  
31 71 56 41 49 37 27 70 45 20 30.19 30.13 30.08 10 9 6 7 1 9 0.00