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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 58 °F 45 °F 25 °F
Mean Temperature 42 °F 29 °F 5 °F
Min Temperature 27 °F 11 °F -17 °F
Degree Days  
Heating Degree Days (base 65) 60 36 23 1129
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 33 °F 14 °F -22 °F
Precipitation  
Precipitation 0.23 in 0.02 in 0.00 in 0.46 in
Snowdepth - - - -
Wind  
Wind 25 mph 4 mph 0 mph
Gust Wind 37 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.69 in 30.25 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 31, 2013 Rise Set
Actual Time 7:18 AM PST 4:48 PM PST
Civil Twilight 6:48 AM PST 5:17 PM PST
Nautical Twilight 6:15 AM PST 5:51 PM PST
Astronomical Twilight 5:42 AM PST 6:23 PM PST
Moon 6:16 AM PST (12/31) 4:29 PM PST (12/31)
Length of Visible Light 10h 29m
Length of Day
9h 29m
Waning Crescent, 1% of the Moon is Illuminated
Dec 31
Waning Crescent
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 23
Last 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 58 39 19 32 21 14 81 52 23 30.51 30.40 30.34 - - - 8 2 12 0.00  
2 57 42 27 32 18 11 75 46 16 30.31 30.17 29.75 - - - 21 6 32 0.00  
3 44 26 8 33 20 3 82 68 54 29.85 29.71 29.61 - - - 25 10 37 0.13 Rain , Snow
4 29 16 2 13 6 -4 80 59 37 30.04 29.95 29.84 - - - 9 3 13 0.00  
5 31 19 7 9 5 -1 76 52 27 30.11 29.98 29.87 - - - 13 4 17 0.00  
6 30 23 16 19 4 -17 81 49 16 30.04 29.91 29.65 - - - 22 11 37 0.10 Snow
7 25 11 -3 19 10 -6 87 75 62 30.18 29.79 29.62 - - - 21 9 32 0.23 Snow
8 27 5 -17 11 -5 -22 79 58 37 30.52 30.30 30.00 - - - 8 3 9 0.00  
9 36 12 -12 16 -1 -18 80 57 33 30.69 30.54 30.42 - - - 10 4 12 0.00  
10 44 21 -3 26 11 -9 81 60 39 30.59 30.42 30.25 - - - 8 3 10 0.00  
11 44 25 6 24 12 0 84 59 33 30.45 30.35 30.25 - - - 8 2 10 0.00  
12 48 27 5 27 12 -2 83 59 34 30.48 30.33 30.17 - - - 10 3 14 0.00  
13 47 30 13 22 13 4 80 54 27 30.49 30.33 30.16 - - - 14 5 18 0.00  
14 50 29 8 25 14 2 81 55 29 30.66 30.56 30.46 - - - 8 2 9 0.00  
15 50 30 10 29 18 3 85 64 42 30.64 30.53 30.42 - - - 8 3 10 0.00  
16 51 32 13 31 20 9 84 63 42 30.58 30.49 30.40 - - - 9 2 10 0.00  
17 49 34 18 33 22 12 85 69 53 30.50 30.38 30.20 - - - 10 2 11 0.00  
18 56 40 23 33 22 18 81 54 27 30.19 29.94 29.61 - - - 24 3 30 0.00  
19 38 26 14 25 18 9 74 61 48 29.99 29.78 29.57 - - - 18 7 30 T Snow
20 44 27 9 20 9 -5 76 45 13 30.15 30.05 29.98 - - - 9 2 12 0.00  
21 48 35 22 27 22 16 81 59 37 30.17 30.05 29.97 - - - 10 3 14 0.00  
22 51 35 19 29 21 13 85 62 39 30.46 30.34 30.17 - - - 17 3 25 0.00  
23 50 35 19 31 23 14 88 67 46 30.55 30.47 30.40 - - - 9 3 11 0.00  
24 50 34 18 28 21 13 84 63 42 30.56 30.48 30.38 - - - 9 3 11 0.00  
25 51 33 15 21 16 9 80 54 27 30.58 30.50 30.38 - - - 7 3 9 0.00  
26 49 31 13 27 16 7 81 59 36 30.58 30.48 30.39 - - - 9 4 10 0.00  
27 46 30 13 30 18 7 80 65 49 30.54 30.39 30.19 - - - 9 3 10 0.00  
28 50 33 15 17 12 7 73 46 18 30.34 30.26 30.18 - - - 13 3 18 0.00  
29 47 31 14 19 14 8 80 53 26 30.40 30.34 30.27 - - - 8 3 10 0.00  
30 51 34 16 30 20 10 80 61 42 30.43 30.34 30.26 - - - 10 3 12 0.00  
31 57 41 25 25 17 8 68 42 15 30.33 30.27 30.18 - - - 7 2 9 0.00