Weather History for KSQL - May, 2012

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Friday, May 4, 2012

  Actual Average (KSFO) Record (KSFO)
Temperature  
Mean Temperature 54 °F 59 °F  
Max Temperature 59 °F 67 °F 84 °F (2013)
Min Temperature 50 °F 51 °F 40 °F (1952)
Degree Days  
Heating Degree Days 10 7  
Month to date heating degree days 28  
Since 1 July heating degree days 2396  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 6  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 44 °F    
Average Humidity 71    
Maximum Humidity 94    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in 0.03 in 0.48 in (1998)
Month to date precipitation 0.10  
Year to date precipitation 12.60  
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 04, 2012 Rise Set
Actual Time 6:09 AM PDT 8:02 PM PDT
Civil Twilight 5:41 AM PDT 8:30 PM PDT
Nautical Twilight 5:06 AM PDT 9:05 PM PDT
Astronomical Twilight 4:30 AM PDT 9:42 PM PDT
Moon 6:47 PM PDT (5/4) 4:52 AM PDT (5/4)
Length of Visible Light 14h 49m
Length of Day
13h 52m
Waxing Gibbous, 97% of the Moon is Illuminated
May 4
Waxing Gibbous
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:10 AM 57.2 °F 53.6 °F 88% 30.10 in 10.0 mi West 8.1 mph - N/A   Overcast
12:30 AM 57.2 °F 53.6 °F 88% 30.10 in 10.0 mi WSW 8.1 mph - N/A   Overcast
12:50 AM 55.4 °F 51.8 °F 88% 30.10 in 10.0 mi West 6.9 mph - N/A   Overcast
1:10 AM 55.4 °F 51.8 °F 88% 30.10 in 10.0 mi West 6.9 mph - N/A   Overcast
1:30 AM 55.4 °F 51.8 °F 88% 30.10 in 8.0 mi West 5.8 mph - N/A   Overcast
1:50 AM 53.6 °F 51.8 °F 94% 30.11 in 1.8 mi WNW 12.7 mph - N/A Rain Light Rain
2:10 AM 53.6 °F 50.0 °F 88% 30.11 in 4.0 mi WNW 11.5 mph - N/A   Overcast
2:30 AM 53.6 °F 50.0 °F 88% 30.11 in 10.0 mi WNW 10.4 mph - N/A   Overcast
2:50 AM 53.6 °F 48.2 °F 82% 30.12 in 10.0 mi WNW 11.5 mph - N/A   Overcast
3:10 AM 51.8 °F 48.2 °F 88% 30.12 in 10.0 mi WNW 12.7 mph - N/A   Overcast
3:30 AM 51.8 °F 48.2 °F 88% 30.12 in 10.0 mi WNW 10.4 mph - N/A   Overcast
3:50 AM 51.8 °F 46.4 °F 82% 30.13 in 10.0 mi WNW 10.4 mph - N/A   Overcast
4:10 AM 51.8 °F 46.4 °F 82% 30.13 in 10.0 mi WNW 10.4 mph - N/A   Overcast
4:30 AM 51.8 °F 46.4 °F 82% 30.13 in 10.0 mi WNW 8.1 mph - N/A   Overcast
4:50 AM 51.8 °F 46.4 °F 82% 30.13 in 10.0 mi West 8.1 mph - N/A   Overcast
5:10 AM 51.8 °F 44.6 °F 76% 30.14 in 10.0 mi WNW 10.4 mph 16.1 mph N/A   Overcast
5:30 AM 51.8 °F 44.6 °F 76% 30.14 in 10.0 mi West 8.1 mph - N/A   Overcast
5:50 AM 51.8 °F 44.6 °F 76% 30.15 in 10.0 mi WNW 8.1 mph - N/A   Overcast
6:10 AM 50.0 °F 44.6 °F 82% 30.15 in 10.0 mi West 6.9 mph - N/A   Overcast
6:30 AM 50.0 °F 42.8 °F 76% 30.15 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
6:47 AM 50.0 °F 41.0 °F 71% 30.16 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
7:55 AM 53.6 °F 42.8 °F 67% 30.17 in 10.0 mi West 11.5 mph 17.3 mph N/A   Scattered Clouds
8:56 AM 55.4 °F 39.2 °F 54% 30.18 in 15.0 mi WNW 16.1 mph 21.9 mph N/A   Scattered Clouds
9:48 AM 57.2 °F 41.0 °F 55% 30.20 in 20.0 mi NW 13.8 mph - N/A   Scattered Clouds
10:49 AM 57.2 °F 41.0 °F 55% 30.21 in 30.0 mi WNW 11.5 mph 17.3 mph N/A   Scattered Clouds
11:49 AM 59.0 °F 37.4 °F 45% 30.21 in 30.0 mi West 17.3 mph 26.5 mph N/A   Scattered Clouds
12:48 PM 59.0 °F 39.2 °F 48% 30.21 in 30.0 mi West 16.1 mph 25.3 mph N/A   Partly Cloudy
1:48 PM 59.0 °F 41.0 °F 51% 30.21 in 30.0 mi West 13.8 mph 20.7 mph N/A   Partly Cloudy
2:47 PM 59.0 °F 41.0 °F 51% 30.21 in 30.0 mi WNW 16.1 mph 20.7 mph N/A   Partly Cloudy
3:47 PM 59.0 °F 39.2 °F 48% 30.20 in 30.0 mi WNW 19.6 mph - N/A   Partly Cloudy
5:47 PM 57.2 °F 41.0 °F 55% 30.20 in 30.0 mi SSW 16.1 mph 20.7 mph N/A   Clear
6:49 PM 55.4 °F 41.0 °F 58% 30.19 in 30.0 mi West 15.0 mph - N/A   Clear
7:51 PM 53.6 °F 41.0 °F 62% 30.20 in 30.0 mi West 12.7 mph 16.1 mph N/A   Clear
8:47 PM 53.6 °F 41.0 °F 62% 30.21 in 10.0 mi West 8.1 mph - N/A   Clear
9:10 PM 53.6 °F 41.0 °F 62% 30.21 in 10.0 mi West 9.2 mph - N/A   Clear
9:30 PM 53.6 °F 41.0 °F 62% 30.21 in 10.0 mi West 6.9 mph - N/A   Clear
9:50 PM 51.8 °F 41.0 °F 67% 30.22 in 10.0 mi WNW 5.8 mph - N/A   Clear
10:10 PM 51.8 °F 41.0 °F 67% 30.22 in 10.0 mi WNW 6.9 mph - N/A   Clear
10:30 PM 51.8 °F 41.0 °F 67% 30.22 in 10.0 mi West 5.8 mph - N/A   Clear
10:50 PM 51.8 °F 41.0 °F 67% 30.22 in 10.0 mi South 4.6 mph - N/A   Clear
11:10 PM 50.0 °F 41.0 °F 71% 30.22 in 10.0 mi SSW 4.6 mph - N/A   Clear
11:30 PM 50.0 °F 41.0 °F 71% 30.22 in 10.0 mi Calm Calm - N/A   Clear
11:50 PM 51.8 °F 41.0 °F 67% 30.22 in 10.0 mi Calm Calm - N/A   Clear