Weather History for San Francisco, CA

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Sunday, May 11, 2014

  Actual Average Record
Temperature  
Mean Temperature 63 °F 59 °F  
Max Temperature 75 °F 67 °F 85 °F (1959)
Min Temperature 51 °F 51 °F 42 °F (1982)
Degree Days  
Heating Degree Days 2 6  
Month to date heating degree days 40 72  
Since 1 July heating degree days 1904 2440  
Cooling Degree Days 0 0  
Month to date cooling degree days 9 0  
Year to date cooling degree days 30 6  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 51    
Maximum Humidity 77    
Minimum Humidity 25    
Precipitation  
Precipitation 0.00 in 0.02 in 0.11 in (1958)
Month to date precipitation T 0.22  
Year to date precipitation 7.31 12.72  
Since 1 July precipitation 8.80 20.29  
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 16 mph (WNW)    
Max Wind Speed 35 mph    
Max Gust Speed 40 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 11, 2014 Rise Set
Actual Time 6:03 AM PDT 8:08 PM PDT
Civil Twilight 5:34 AM PDT 8:37 PM PDT
Nautical Twilight 4:59 AM PDT 9:13 PM PDT
Astronomical Twilight 4:20 AM PDT 9:51 PM PDT
Moon 5:13 PM PDT (5/11) 4:07 AM PDT (5/11)
Length of Visible Light 15h 03m
Length of Day
14h 05m
Waxing Gibbous, 90% of the Moon is Illuminated
May 11
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 55.0 °F 46.0 °F 72% 30.10 in 10.0 mi West 11.5 mph - N/A   Clear
1:56 AM 53.1 °F 45.0 °F 74% 30.09 in 10.0 mi West 9.2 mph - N/A   Clear
2:56 AM 53.1 °F 45.0 °F 74% 30.09 in 10.0 mi West 4.6 mph - N/A   Clear
3:56 AM 57.0 °F 46.0 °F 67% 30.09 in 10.0 mi NW 5.8 mph - N/A   Clear
4:56 AM 60.1 °F 48.0 °F 64% 30.08 in 10.0 mi NNW 11.5 mph - N/A   Clear
5:56 AM 61.0 °F 44.1 °F 54% 30.08 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy
6:56 AM 62.1 °F 43.0 °F 50% 30.08 in 10.0 mi NNW 15.0 mph - N/A   Clear
7:56 AM 64.0 °F 41.0 °F 43% 30.10 in 10.0 mi North 16.1 mph - N/A   Clear
8:56 AM 64.9 °F 42.1 °F 43% 30.10 in 10.0 mi North 16.1 mph - N/A   Clear
9:56 AM 66.9 °F 39.9 °F 37% 30.11 in 10.0 mi North 15.0 mph - N/A   Clear
10:56 AM 70.0 °F 39.9 °F 33% 30.11 in 10.0 mi North 12.7 mph - N/A   Clear
11:56 AM 73.0 °F 37.9 °F 28% 30.10 in 10.0 mi NNW 16.1 mph - N/A   Clear
12:34 PM 73.4 °F 41.0 °F 31% 30.09 in 10.0 mi WNW 18.4 mph - N/A   Clear
12:56 PM 73.0 °F 41.0 °F 31% 30.09 in 10.0 mi WNW 18.4 mph - N/A   Clear
1:56 PM 73.0 °F 39.9 °F 30% 30.09 in 10.0 mi West 19.6 mph - N/A   Partly Cloudy
2:56 PM 73.9 °F 35.1 °F 24% 30.06 in 10.0 mi WNW 25.3 mph 31.1 mph N/A   Partly Cloudy
3:56 PM 73.0 °F 37.0 °F 27% 30.05 in 10.0 mi West 24.2 mph 38.0 mph N/A   Partly Cloudy
4:56 PM 71.1 °F 37.9 °F 30% 30.04 in 10.0 mi West 32.2 mph 40.3 mph N/A   Scattered Clouds
5:56 PM 70.0 °F 37.0 °F 30% 30.02 in 10.0 mi West 25.3 mph 33.4 mph N/A   Scattered Clouds
6:56 PM 66.0 °F 39.9 °F 38% 30.02 in 10.0 mi West 23.0 mph 29.9 mph N/A   Mostly Cloudy
7:56 PM 60.1 °F 46.0 °F 60% 30.03 in 10.0 mi West 20.7 mph - N/A   Mostly Cloudy
8:56 PM 59.0 °F 46.0 °F 62% 30.04 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
9:56 PM 57.9 °F 46.9 °F 67% 30.06 in 10.0 mi WNW 13.8 mph - N/A   Clear
10:56 PM 57.0 °F 46.9 °F 69% 30.07 in 10.0 mi WNW 10.4 mph - N/A   Clear
11:56 PM 55.9 °F 48.0 °F 75% 30.08 in 10.0 mi West 9.2 mph - N/A   Clear