San Francisco, CA

8:54 AM PST on February 06, 2016 (GMT -0800)
San Francisco International

Weather History for KSFO - December, 2014

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Month of December, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 68 °F 62 °F 55 °F
Mean Temperature 63 °F 57 °F 49 °F
Min Temperature 59 °F 52 °F 41 °F
Degree Days  
Heating Degree Days (base 65) 16 8 2 247
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 6 0 200
Dew Point  
Dew Point 63 °F 51 °F 18 °F
Precipitation  
Precipitation 3.43 in 0.37 in 0.00 in 10.66 in
Snowdepth - - - -
Wind  
Wind 43 mph 7 mph 0 mph
Gust Wind 51 mph 27 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 30.07 in 29.51 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 24, 2014 Rise Set
Actual Time 7:22 AM PST 4:56 PM PST
Civil Twilight 6:52 AM PST 5:25 PM PST
Nautical Twilight 6:19 AM PST 5:58 PM PST
Astronomical Twilight 5:48 AM PST 6:30 PM PST
Moon 9:20 AM PST (12/24) 8:23 PM PST (12/24)
Length of Visible Light 10h 32m
Length of Day
9h 34m
Waxing Crescent, 10% of the Moon is Illuminated
Dec 24
Waxing Crescent
Dec 28
First Quarter
Jan 4
Full
Jan 13
Last Quarter
Jan 20
New

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 64 61 57 59 58 57 100 92 84 30.11 30.04 29.95 10 10 5 16 4 18 T Rain
2 62 59 56 59 57 55 100 95 90 29.94 29.77 29.68 10 8 2 22 10 25 1.59 Rain
3 66 63 59 61 60 58 100 89 78 29.88 29.75 29.70 10 7 1 32 10 39 1.89 Rain , Thunderstorm
4 67 63 58 61 59 57 100 87 73 30.02 29.95 29.88 10 8 0 13 5 16 0.10 Fog , Rain
5 67 63 58 61 60 57 100 87 73 30.08 30.01 29.97 10 8 2 16 6 20 0.14 Rain
6 67 63 58 63 60 58 100 89 78 30.22 30.17 30.08 10 9 4 12 4 15 0.09 Rain
7 64 59 54 61 58 54 100 89 78 30.22 30.18 30.12 10 8 2 15 2 18 0.00  
8 68 62 56 61 58 55 100 89 78 30.18 30.15 30.12 10 10 8 10 3 12 0.00  
9 63 60 57 61 59 57 100 95 90 30.21 30.15 30.08 10 7 0 9 2 12 0.00 Fog
10 65 62 58 59 58 55 100 89 78 30.07 29.90 29.72 10 8 3 24 11 32 T Rain
11 67 59 51 61 55 48 100 87 73 29.69 29.62 29.51 10 6 2 37 12 48 3.43 Rain
12 58 55 51 53 51 49 100 89 77 30.08 29.88 29.67 10 9 5 10 4 13 0.38 Rain
13 56 52 48 52 49 46 100 89 77 30.23 30.17 30.09 10 10 8 12 2 14 0.00  
14 61 55 49 55 50 48 93 83 72 30.14 30.06 29.98 10 10 6 14 6 18 0.14 Rain
15 63 58 52 55 53 51 100 97 93 29.97 29.88 29.83 10 8 2 29 12 33 1.37 Rain
16 63 57 50 55 51 45 100 83 65 29.95 29.90 29.82 10 9 5 26 9 36 0.84 Rain
17 60 55 50 54 51 48 100 84 67 30.08 30.03 29.95 10 9 5 20 6 24 0.21 Rain
18 60 56 52 55 52 50 100 88 75 30.19 30.12 30.06 10 10 6 12 3 14 0.02 Rain
19 59 57 55 58 56 52 100 90 80 30.16 30.13 30.10 10 7 1 14 5 21 0.38 Rain
20 62 59 56 59 57 53 100 89 78 30.25 30.18 30.12 10 7 2 9 3 10 0.02 Rain
21 63 61 58 61 60 59 100 97 93 30.32 30.28 30.25 10 8 2 24 11 29 0.02 Rain
22 65 60 54 59 57 54 100 92 84 30.30 30.24 30.18 10 8 0 17 4 20 0.00 Fog
23 68 60 51 58 55 52 100 82 63 30.23 30.17 30.12 10 10 10 15 4 17 0.00  
24 62 55 48 58 51 40 100 82 63 30.11 30.05 29.97 10 9 2 33 12 43 0.04 Rain
25 58 52 46 41 37 34 71 56 40 30.15 30.11 30.07 10 10 10 23 13 28 0.00  
26 59 52 44 40 36 33 65 54 43 30.27 30.19 30.12 10 10 10 25 12 30 0.00  
27 56 49 42 42 38 35 80 64 47 30.38 30.34 30.27 10 10 10 14 4 15 0.00  
28 57 50 43 51 45 41 93 77 61 30.37 30.30 30.23 10 10 10 13 4 16 0.00  
29 55 50 44 49 44 38 93 76 59 30.24 30.18 30.11 10 10 9 25 9 33 0.00  
30 55 51 47 44 33 26 86 62 38 30.25 30.17 30.11 10 10 10 43 24 51 0.00  
31 58 50 41 37 27 18 70 47 24 30.27 30.18 30.08 10 10 10 35 11 43 0.00