Weather History for San Francisco, CA

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Sunday, August 10, 2014

  Actual Average Record
Temperature  
Mean Temperature 69 °F 64 °F  
Max Temperature 77 °F 72 °F 87 °F (2009)
Min Temperature 60 °F 56 °F 47 °F (1951)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 1 20  
Since 1 June heating degree days 69 190  
Since 1 July heating degree days 20 85  
Cooling Degree Days 4 1  
Month to date cooling degree days 17 10  
Year to date cooling degree days 198 74  
Since 1 June cooling degree days 135 55  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 69    
Maximum Humidity 84    
Minimum Humidity 54    
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in (2015)
Month to date precipitation T 0.01  
Year to date precipitation 7.31 13.09  
Since 1 July precipitation T 0.01  
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 8 mph (SW)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 10, 2014 Rise Set
Actual Time 6:21 AM PDT 8:07 PM PDT
Civil Twilight 5:52 AM PDT 8:36 PM PDT
Nautical Twilight 5:18 AM PDT 9:10 PM PDT
Astronomical Twilight 4:41 AM PDT 9:46 PM PDT
Moon 8:00 PM PDT (8/10) 6:18 AM PDT (8/10)
Length of Visible Light 14h 43m
Length of Day
13h 46m
Full, 100% of the Moon is Illuminated
Aug 10
Full
Aug 17
Last Quarter
Aug 25
New
Sep 2
First Quarter
Sep 8
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 60.1 °F 55.9 °F 86% 29.99 in 10.0 mi SW 8.1 mph - N/A   Overcast
1:56 AM 60.1 °F 55.0 °F 83% 29.99 in 10.0 mi WSW 10.4 mph - N/A   Overcast
2:56 AM 60.1 °F 55.9 °F 86% 29.97 in 10.0 mi SSW 8.1 mph - N/A   Overcast
3:56 AM 60.1 °F 55.9 °F 86% 29.96 in 10.0 mi WSW 5.8 mph - N/A   Overcast
4:56 AM 61.0 °F 55.9 °F 83% 29.96 in 10.0 mi SW 9.2 mph - N/A   Overcast
5:56 AM 60.1 °F 55.9 °F 86% 29.97 in 10.0 mi SW 8.1 mph - N/A   Overcast
6:56 AM 60.1 °F 55.9 °F 86% 29.98 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
7:56 AM 61.0 °F 55.9 °F 83% 29.99 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
8:56 AM 62.1 °F 55.9 °F 80% 30.01 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
9:56 AM 63.0 °F 55.9 °F 78% 30.01 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:56 AM 64.9 °F 57.0 °F 75% 30.01 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
11:56 AM 69.1 °F 57.9 °F 68% 30.01 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
12:17 PM 71.6 °F 57.2 °F 60% 30.01 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
12:56 PM 71.1 °F 59.0 °F 66% 29.99 in 10.0 mi NE 8.1 mph - N/A   Scattered Clouds
1:56 PM 72.0 °F 60.1 °F 66% 29.98 in 10.0 mi NNE 9.2 mph - N/A   Scattered Clouds
2:56 PM 73.0 °F 60.1 °F 64% 29.96 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
3:56 PM 73.9 °F 57.0 °F 55% 29.96 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
4:56 PM 75.9 °F 57.0 °F 52% 29.94 in 10.0 mi WSW 13.8 mph - N/A   Mostly Cloudy
5:56 PM 73.0 °F 57.0 °F 57% 29.94 in 10.0 mi WSW 13.8 mph - N/A   Mostly Cloudy
6:56 PM 71.1 °F 57.0 °F 61% 29.93 in 10.0 mi WSW 9.2 mph 17.3 mph N/A   Mostly Cloudy
7:56 PM 66.9 °F 57.0 °F 70% 29.94 in 10.0 mi West 11.5 mph - N/A   Scattered Clouds
8:56 PM 66.0 °F 57.0 °F 73% 29.95 in 10.0 mi WSW 10.4 mph - N/A   Scattered Clouds
9:56 PM 64.9 °F 57.0 °F 75% 29.96 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
10:56 PM 64.9 °F 57.0 °F 75% 29.96 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
11:56 PM 64.0 °F 57.0 °F 78% 29.96 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy