Weather History for KSFO - June, 2013

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Friday, June 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 71 °F 63 °F  
Max Temperature 82 °F 72 °F 94 °F (1976)
Min Temperature 59 °F 55 °F 46 °F (1954)
Degree Days  
Heating Degree Days 0 3  
Month to date heating degree days 87 99  
Since 1 June heating degree days 87 99  
Since 1 July heating degree days 2638 2647  
Cooling Degree Days 6 1  
Month to date cooling degree days 19 25  
Year to date cooling degree days 46 44  
Since 1 June cooling degree days 19 25  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 63    
Maximum Humidity 80    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.00 in 0.52 in (2011)
Month to date precipitation 0.05 0.11  
Year to date precipitation 1.89 13.08  
Since 1 July precipitation 12.89 20.65  
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 13 mph (WNW)    
Max Wind Speed 28 mph    
Max Gust Speed 35 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jun. 28, 2013 Rise Set
Actual Time 5:50 AM PDT 8:34 PM PDT
Civil Twilight 5:19 AM PDT 9:06 PM PDT
Nautical Twilight 4:40 AM PDT 9:45 PM PDT
Astronomical Twilight 3:56 AM PDT 10:29 PM PDT
Moon No Moon Rise 11:56 AM PDT (6/28)
Length of Visible Light 15h 46m
Length of Day
14h 44m
Waning Gibbous, 65% of the Moon is Illuminated
Jun 28
Waning Gibbous
Jun 29
Last Quarter
Jul 8
New
Jul 15
First Quarter
Jul 22
Full

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 61.0 °F - 54.0 °F 78% 30.04 in 10.0 mi WNW 12.7 mph - N/A   Clear
1:56 AM 61.0 °F - 54.0 °F 78% 30.03 in 10.0 mi WNW 6.9 mph - N/A   Clear
2:56 AM 60.1 °F - 54.0 °F 80% 30.03 in 10.0 mi West 10.4 mph - N/A   Clear
3:56 AM 61.0 °F - 54.0 °F 78% 30.01 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
4:56 AM 60.1 °F - 54.0 °F 80% 30.01 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
5:25 AM 59.0 °F - 53.6 °F 82% 30.00 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
5:56 AM 59.0 °F - 54.0 °F 83% 30.01 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
6:56 AM 60.1 °F - 55.0 °F 83% 30.01 in 10.0 mi WNW 4.6 mph - N/A   Partly Cloudy
7:56 AM 66.0 °F - 55.9 °F 70% 30.01 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:56 AM 68.0 °F - 57.9 °F 70% 30.01 in 10.0 mi NE 3.5 mph - N/A   Partly Cloudy
9:56 AM 69.1 °F - 59.0 °F 70% 30.00 in 10.0 mi NE 3.5 mph - N/A   Partly Cloudy
10:56 AM 71.1 °F - 59.0 °F 66% 30.00 in 10.0 mi NE 3.5 mph - N/A   Scattered Clouds
11:56 AM 80.1 °F 80.6 °F 57.9 °F 47% 29.99 in 10.0 mi NW 13.8 mph - N/A   Scattered Clouds
12:56 PM 75.9 °F - 55.0 °F 48% 29.98 in 10.0 mi WNW 20.7 mph - N/A   Scattered Clouds
1:56 PM 72.0 °F - 55.0 °F 55% 29.98 in 10.0 mi WNW 26.5 mph - N/A   Scattered Clouds
2:56 PM 77.0 °F - 55.0 °F 47% 29.96 in 10.0 mi WNW 18.4 mph - N/A   Scattered Clouds
3:56 PM 75.0 °F - 55.9 °F 51% 29.94 in 10.0 mi WNW 19.6 mph - N/A   Scattered Clouds
4:08 PM 73.4 °F - 55.4 °F 53% 29.93 in 10.0 mi WNW 20.7 mph - N/A   Scattered Clouds
4:56 PM 73.0 °F - 55.0 °F 53% 29.92 in 10.0 mi WNW 24.2 mph 31.1 mph N/A   Scattered Clouds
5:56 PM 75.0 °F - 54.0 °F 48% 29.91 in 10.0 mi West 23.0 mph - N/A   Scattered Clouds
6:56 PM 72.0 °F - 53.1 °F 51% 29.91 in 10.0 mi West 23.0 mph - N/A   Scattered Clouds
7:56 PM 69.1 °F - 53.1 °F 57% 29.91 in 10.0 mi WNW 15.0 mph - N/A   Scattered Clouds
8:56 PM 66.0 °F - 53.1 °F 63% 29.92 in 10.0 mi WNW 20.7 mph - N/A   Clear
9:56 PM 66.0 °F - 53.1 °F 63% 29.93 in 10.0 mi NW 12.7 mph - N/A   Clear
10:56 PM 64.9 °F - 53.1 °F 65% 29.94 in 10.0 mi WNW 13.8 mph - N/A   Clear
11:56 PM 64.0 °F - 52.0 °F 65% 29.94 in 10.0 mi WNW 11.5 mph - N/A   Clear