Weather History for KVSF - December, 2014

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Month of December, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 46 °F 35 °F 21 °F
Mean Temperature 40 °F 29 °F 14 °F
Min Temperature 33 °F 24 °F 6 °F
Degree Days  
Heating Degree Days (base 65) 51 36 25 1069
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 40 °F 24 °F -11 °F
Precipitation  
Precipitation 1.08 in 0.17 in 0.00 in 4.53 in
Snowdepth - - - -
Wind  
Wind 29 mph 3 mph 0 mph
Gust Wind 42 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.82 in 30.11 in 29.41 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 21, 2014 Rise Set
Actual Time 7:19 AM EST 4:17 PM EST
Civil Twilight 6:46 AM EST 4:49 PM EST
Nautical Twilight 6:10 AM EST 5:25 PM EST
Astronomical Twilight 5:35 AM EST 6:00 PM EST
Moon 6:30 AM EST (12/21) 4:22 PM EST (12/21)
Length of Visible Light 10h 03m
Length of Day
8h 57m
Waning Crescent, 0% of the Moon is Illuminated
Dec 21
Waning Crescent
Dec 21
New
Dec 28
First Quarter
Jan 4
Full
Jan 13
Last Quarter

Daily Weather History & Observations

2014 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 - - - - - - - - - - - - - - - - - - -  
2 33 27 21 26 23 19 85 74 63 30.63 30.55 30.44 10 5 0 15 5 23 0.16 Fog , Snow
3 38 33 27 32 30 25 100 85 70 30.39 30.05 29.86 10 3 0 21 2 29 0.37 Fog , Rain , Snow
4 36 26 16 24 19 14 92 70 47 30.59 30.35 30.09 10 10 2 15 7 24 T Snow
5 33 23 12 28 18 9 92 69 46 30.72 30.58 30.44 10 7 1 9 1 14 0.08 Snow
6 36 32 28 32 30 26 100 88 75 30.44 30.26 30.15 10 2 0 16 1 26 0.69 Fog , Rain , Snow
7 34 23 11 25 13 1 75 57 38 30.77 30.57 30.35 10 10 10 15 7 26 0.00  
8 21 14 6 18 6 -3 77 60 43 30.82 30.71 30.55 10 10 4 8 2 13 0.00  
9 35 28 20 33 27 19 100 94 88 30.52 30.11 29.70 6 2 1 16 5 28 1.08 Rain , Snow
10 36 34 32 34 32 29 92 87 82 29.70 29.55 29.47 10 4 1 12 4 18 0.49 Rain , Snow
11 33 31 29 31 29 27 100 91 82 29.79 29.59 29.46 10 6 2 9 1 12 0.03 Rain , Snow
12 33 29 25 27 25 23 100 86 72 29.94 29.87 29.77 10 8 0 10 3 16 T Fog , Snow
13 34 31 28 25 24 23 78 74 69 29.94 29.89 29.84 10 10 10 17 6 22 0.00  
14 36 30 23 27 25 22 92 81 70 29.97 29.90 29.83 10 10 10 12 4 16 0.00  
15 34 32 29 27 26 25 85 77 69 30.17 30.09 29.97 10 10 10 9 4 15 0.00  
16 34 32 29 33 30 26 100 93 85 30.16 30.04 29.92 10 4 0 7 1 8 0.07 Fog , Rain
17 38 35 32 36 33 31 100 91 82 29.93 29.81 29.73 10 3 0 6 0 8 0.25 Fog , Rain
18 38 35 31 31 26 23 82 73 64 29.91 29.82 29.73 10 10 10 18 8 26 0.00  
19 31 27 22 23 19 15 77 70 63 30.22 30.02 29.88 10 10 10 14 7 19 0.00  
20 33 24 15 20 16 13 88 69 49 30.35 30.30 30.19 10 10 8 12 1 16 0.00  
21 31 28 25 27 24 19 100 88 75 30.39 30.33 30.29 10 5 1 3 0 5 0.02 Snow
22 34 31 28 31 29 26 100 91 82 30.42 30.35 30.28 10 5 2 5 0 5 0.01 Snow
23 34 33 32 33 32 31 100 96 92 30.30 30.24 30.18 3 1 0 3 0 4 0.51 Fog , Rain , Snow
24 36 34 32 36 33 32 100 96 92 30.18 29.91 29.55 1 1 0 5 0 4 0.59 Fog , Rain
25 46 40 33 36 32 26 100 77 53 29.98 29.58 29.41 10 4 0 29 10 42 0.12 Fog , Rain
26 44 36 27 29 28 25 100 77 53 30.18 30.12 30.00 10 9 6 22 6 27 0.00  
27 42 34 26 32 29 24 100 85 70 30.24 30.14 29.97 10 6 3 6 1 7 0.00  
28 45 38 31 40 33 18 100 76 52 30.02 29.85 29.77 10 6 0 18 5 23 0.06 Fog , Rain
29 35 29 22 21 12 5 81 60 38 30.26 30.14 30.02 10 10 10 20 5 28 0.00  
30 24 17 9 9 1 -11 67 45 22 30.39 30.34 30.27 10 10 9 16 4 21 0.00  
31 23 15 7 10 6 1 88 67 45 30.30 30.22 30.06 10 10 7 16 3 23 T