San Francisco, CA

7:36 AM PST on February 23, 2017 (GMT -0800)
San Francisco International

Weather History for KSFO - May, 2012

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Monday, May 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 67 °F 59 °F  
Max Temperature 83 °F 67 °F 89 °F (2007)
Min Temperature 51 °F 51 °F 40 °F (1968)
Degree Days  
Heating Degree Days 0 6  
Month to date heating degree days 48 48  
Since 1 July heating degree days 2555 2416  
Cooling Degree Days 2 0  
Month to date cooling degree days 2 0  
Year to date cooling degree days 7 6  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 50    
Maximum Humidity 77    
Minimum Humidity 23    
Precipitation  
Precipitation 0.00 in 0.01 in 0.44 in (1994)
Month to date precipitation T 0.15  
Year to date precipitation 10.37 12.65  
Since 1 July precipitation 13.24  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 10 mph (WNW)    
Max Wind Speed 25 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
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

May. 07, 2012 Rise Set
Actual Time 6:06 AM PDT 8:05 PM PDT
Civil Twilight 5:38 AM PDT 8:34 PM PDT
Nautical Twilight 5:03 AM PDT 9:09 PM PDT
Astronomical Twilight 4:25 AM PDT 9:47 PM PDT
Moon 10:21 PM PDT (5/7) 7:19 AM PDT (5/7)
Length of Visible Light 14h 56m
Length of Day
13h 58m
Waning Gibbous, 96% of the Moon is Illuminated
May 7
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 54.0 °F 45.0 °F 72% 30.03 in 10.0 mi West 5.8 mph - N/A   Clear
1:56 AM 54.0 °F 45.0 °F 72% 30.02 in 10.0 mi WNW 4.6 mph - N/A   Clear
2:56 AM 53.1 °F 45.0 °F 74% 30.02 in 10.0 mi West 6.9 mph - N/A   Clear
3:56 AM 52.0 °F 45.0 °F 77% 30.02 in 10.0 mi West 6.9 mph - N/A   Clear
4:56 AM 52.0 °F 45.0 °F 77% 30.01 in 10.0 mi WNW 4.6 mph - N/A   Clear
5:56 AM 52.0 °F 45.0 °F 77% 30.02 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 54.0 °F 45.0 °F 72% 30.03 in 9.0 mi Calm Calm - N/A   Clear
7:56 AM 59.0 °F 46.0 °F 62% 30.03 in 9.0 mi Calm Calm - N/A   Clear
8:56 AM 61.0 °F 51.1 °F 70% 30.03 in 9.0 mi Calm Calm - N/A   Clear
9:56 AM 63.0 °F 54.0 °F 72% 30.03 in 9.0 mi NNE 3.5 mph - N/A   Clear
10:56 AM 64.9 °F 54.0 °F 68% 30.03 in 9.0 mi ENE 4.6 mph - N/A   Clear
11:56 AM 70.0 °F 53.1 °F 55% 30.03 in 10.0 mi Calm Calm - N/A   Clear
12:56 PM 71.1 °F 52.0 °F 51% 30.02 in 10.0 mi Calm Calm - N/A   Clear
1:56 PM 82.0 °F 41.0 °F 23% 30.00 in 10.0 mi WNW 6.9 mph - N/A   Clear
2:56 PM 75.9 °F 48.0 °F 37% 29.99 in 10.0 mi WNW 18.4 mph - N/A   Clear
3:56 PM 75.0 °F 45.0 °F 34% 29.98 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Clear
4:56 PM 73.9 °F 39.9 °F 29% 29.97 in 10.0 mi West 23.0 mph - N/A   Clear
5:56 PM 71.1 °F 39.9 °F 32% 29.97 in 10.0 mi West 20.7 mph - N/A   Clear
6:56 PM 66.0 °F 43.0 °F 43% 29.96 in 10.0 mi West 21.9 mph - N/A   Partly Cloudy
7:56 PM 59.0 °F 45.0 °F 60% 29.96 in 10.0 mi West 19.6 mph - N/A   Partly Cloudy
8:56 PM 55.4 °F 46.4 °F 72% 29.95 in 10.0 mi WNW 17.3 mph - N/A   Partly Cloudy
9:56 PM 54.0 °F 46.9 °F 77% 29.97 in 10.0 mi WNW 18.4 mph - N/A   Partly Cloudy
10:56 PM 53.1 °F 46.9 °F 80% 29.97 in 10.0 mi WNW 15.0 mph - N/A   Partly Cloudy
11:56 PM 53.1 °F 46.9 °F 80% 29.98 in 9.0 mi WNW 15.0 mph - N/A   Partly Cloudy