San Francisco, CA

4:09 PM PDT on April 26, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - December, 2014

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Sunday, December 14, 2014

  Actual Average Record
Temperature  
Mean Temperature 55 °F 51 °F  
Max Temperature 61 °F 57 °F 69 °F (1958)
Min Temperature 49 °F 45 °F 30 °F (1972)
Degree Days  
Heating Degree Days 10 14  
Month to date heating degree days 74 190  
Since 1 July heating degree days 262 754  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 497 164  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 83    
Maximum Humidity 93    
Minimum Humidity 72    
Precipitation  
Precipitation 0.14 in 0.13 in 0.88 in (2002)
Month to date precipitation 7.76 1.62  
Year to date precipitation 17.79 18.24  
Since 1 July precipitation 10.48  
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 6 mph (ESE)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 14, 2014 Rise Set
Actual Time 7:16 AM PST 4:51 PM PST
Civil Twilight 6:47 AM PST 5:21 PM PST
Nautical Twilight 6:14 AM PST 5:53 PM PST
Astronomical Twilight 5:42 AM PST 6:25 PM PST
Moon No Moon Rise 12:18 PM PST (12/14)
Length of Visible Light 10h 33m
Length of Day
9h 35m
Waning Gibbous, 47% of the Moon is Illuminated
Dec 14
Waning Gibbous
Dec 21
New
Dec 28
First Quarter
Jan 4
Full
Jan 13
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 51.1 °F 48.0 °F 89% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 51.1 °F 48.9 °F 92% 30.14 in 9.0 mi Variable 3.5 mph - N/A   Overcast
2:56 AM 51.1 °F 48.9 °F 92% 30.13 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
3:56 AM 51.1 °F 48.0 °F 89% 30.12 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
4:56 AM 50.0 °F 48.0 °F 93% 30.11 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
5:56 AM 50.0 °F 48.0 °F 93% 30.11 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
6:56 AM 50.0 °F 48.0 °F 93% 30.11 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
7:56 AM 50.0 °F 48.0 °F 93% 30.10 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
8:56 AM 51.1 °F 48.0 °F 89% 30.12 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
9:56 AM 52.0 °F 48.0 °F 86% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 AM 54.0 °F 48.9 °F 83% 30.10 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds
11:56 AM 54.0 °F 48.9 °F 83% 30.05 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
12:56 PM 57.9 °F 50.0 °F 75% 30.02 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
1:56 PM 57.9 °F 51.1 °F 78% 30.01 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
2:56 PM 60.1 °F 51.1 °F 72% 30.00 in 10.0 mi East 12.7 mph - N/A   Mostly Cloudy
3:56 PM 60.1 °F 51.1 °F 72% 30.01 in 10.0 mi East 11.5 mph - N/A   Mostly Cloudy
4:56 PM 57.9 °F 51.1 °F 78% 30.00 in 10.0 mi Calm Calm - N/A   Overcast
5:56 PM 55.9 °F 51.1 °F 84% 30.00 in 10.0 mi ENE 8.1 mph - 0.00 in   Overcast
6:56 PM 57.0 °F 51.1 °F 81% 29.99 in 10.0 mi NNE 4.6 mph - N/A   Overcast
7:56 PM 57.0 °F 50.0 °F 77% 29.99 in 10.0 mi SSE 3.5 mph - 0.00 in Rain Light Rain
8:56 PM 57.2 °F 51.8 °F 82% 30.00 in 10.0 mi East 9.2 mph - N/A Rain Light Rain
9:56 PM 55.9 °F 51.1 °F 84% 29.99 in 10.0 mi ENE 11.5 mph - 0.01 in Rain Light Rain
10:56 PM 55.0 °F 52.0 °F 89% 30.00 in 6.0 mi ESE 5.8 mph - 0.03 in Rain Light Rain
11:56 PM 55.0 °F 55.0 °F 100% 29.98 in 8.0 mi East 13.8 mph - 0.10 in Rain Light Rain