Weather History for KSFO - April, 2013

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Tuesday, April 2, 2013

  Actual Average Record
Temperature  
Mean Temperature 55 °F 56 °F  
Max Temperature 60 °F 63 °F 85 °F (2000)
Min Temperature 50 °F 48 °F 39 °F (1976)
Degree Days  
Heating Degree Days 10 9  
Month to date heating degree days 16 18  
Since 1 July heating degree days 2215 2138  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 1  
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 78    
Maximum Humidity 89    
Minimum Humidity 67    
Precipitation  
Precipitation 0.00 in 0.06 in 2.30 in (1958)
Month to date precipitation 0.14 0.12  
Year to date precipitation 1.50 11.33  
Since 1 July precipitation 12.50  
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 14 mph (WNW)    
Max Wind Speed 25 mph    
Max Gust Speed 30 mph    
Visibility 10 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Apr. 02, 2013 Rise Set
Actual Time 6:52 AM PDT 7:33 PM PDT
Civil Twilight 6:26 AM PDT 7:59 PM PDT
Nautical Twilight 5:55 AM PDT 8:31 PM PDT
Astronomical Twilight 5:23 AM PDT 9:03 PM PDT
Moon 1:38 AM PDT (4/2) 11:54 AM PDT (4/2)
Length of Visible Light 13h 33m
Length of Day
12h 40m
Waning Gibbous, 55% of the Moon is Illuminated
Apr 2
Waning Gibbous
Apr 2
Last Quarter
Apr 10
New
Apr 18
First Quarter
Apr 25
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 52.0 °F 48.0 °F 86% 30.17 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
1:56 AM 52.0 °F 48.0 °F 86% 30.18 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
2:56 AM 52.0 °F 46.9 °F 83% 30.18 in 10.0 mi WNW 5.8 mph - N/A   Scattered Clouds
3:56 AM 52.0 °F 46.9 °F 83% 30.17 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
4:56 AM 52.0 °F 46.9 °F 83% 30.17 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
5:56 AM 51.1 °F 46.9 °F 86% 30.17 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
6:56 AM 51.1 °F 46.9 °F 86% 30.18 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
7:49 AM 51.8 °F 48.2 °F 88% 30.19 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
7:56 AM 52.0 °F 48.0 °F 86% 30.19 in 9.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
8:56 AM 53.1 °F 48.0 °F 83% 30.19 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
9:56 AM 55.9 °F 48.9 °F 77% 30.19 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
10:56 AM 57.0 °F 48.9 °F 74% 30.19 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
11:56 AM 57.9 °F 48.9 °F 72% 30.20 in 10.0 mi WNW 13.8 mph - N/A   Mostly Cloudy
12:56 PM 59.0 °F 50.0 °F 72% 30.18 in 10.0 mi WNW 13.8 mph - N/A   Mostly Cloudy
1:56 PM 59.0 °F 48.9 °F 69% 30.17 in 10.0 mi West 19.6 mph - N/A   Mostly Cloudy
2:56 PM 59.0 °F 48.9 °F 69% 30.16 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
3:56 PM 57.9 °F 48.9 °F 72% 30.15 in 10.0 mi WNW 24.2 mph - N/A   Mostly Cloudy
4:56 PM 57.9 °F 48.9 °F 72% 30.12 in 10.0 mi WNW 17.3 mph - N/A   Scattered Clouds
5:56 PM 55.0 °F 48.0 °F 77% 30.12 in 10.0 mi WNW 24.2 mph - N/A   Scattered Clouds
6:56 PM 52.0 °F 46.9 °F 83% 30.11 in 10.0 mi West 21.9 mph - N/A   Mostly Cloudy
7:56 PM 51.1 °F 46.9 °F 86% 30.11 in 10.0 mi West 20.7 mph - N/A   Scattered Clouds
8:56 PM 50.0 °F 46.9 °F 89% 30.13 in 10.0 mi West 24.2 mph - N/A   Scattered Clouds
9:18 PM 51.8 °F 46.4 °F 82% 30.15 in 10.0 mi West 20.7 mph - N/A   Mostly Cloudy
9:56 PM 51.1 °F 46.9 °F 86% 30.17 in 10.0 mi West 24.2 mph 28.8 mph N/A   Mostly Cloudy
10:56 PM 51.1 °F 46.9 °F 86% 30.17 in 9.0 mi West 12.7 mph 21.9 mph N/A Fog Overcast
11:56 PM 50.0 °F 46.9 °F 89% 30.15 in 8.0 mi WSW 9.2 mph - N/A Fog Overcast