Weather History for San Francisco, CA

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Wednesday, September 24, 2014

  Actual Average Record
Temperature  
Mean Temperature 72 °F 64 °F  
Max Temperature 80 °F 73 °F 93 °F (1978)
Min Temperature 64 °F 55 °F 48 °F (1955)
Degree Days  
Heating Degree Days 0 2  
Month to date heating degree days 3 48  
Since 1 July heating degree days 23 161  
Cooling Degree Days 7 1  
Month to date cooling degree days 94 39  
Year to date cooling degree days 347 136  
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 62    
Precipitation  
Precipitation T in 0.01 in 0.18 in (1986)
Month to date precipitation 0.01 0.11  
Year to date precipitation 7.32 13.23  
Since 1 July precipitation 0.01 0.15  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 9 mph (SW)    
Max Wind Speed 21 mph    
Max Gust Speed 25 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 24, 2014 Rise Set
Actual Time 6:59 AM PDT 7:03 PM PDT
Civil Twilight 6:32 AM PDT 7:29 PM PDT
Nautical Twilight 6:02 AM PDT 7:59 PM PDT
Astronomical Twilight 5:31 AM PDT 8:30 PM PDT
Moon 7:23 AM PDT (9/24) 7:18 PM PDT (9/24)
Length of Visible Light 12h 56m
Length of Day
12h 04m
New Moon, 0% of the Moon is Illuminated
Sep 24
New Moon
Oct 1
First Quarter
Oct 8
Full
Oct 15
Last Quarter
Oct 23
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 68.0 °F 64.9 °F 90% 29.97 in 8.0 mi SW 4.6 mph - N/A   Overcast
1:56 AM 68.0 °F 63.0 °F 84% 29.96 in 10.0 mi SW 3.5 mph - N/A   Overcast
2:56 AM 66.9 °F 64.0 °F 90% 29.96 in 7.0 mi West 5.8 mph - 0.00 in Rain Light Rain
3:56 AM 66.0 °F 64.0 °F 93% 29.95 in 7.0 mi West 4.6 mph - 0.00 in Rain Light Rain
4:56 AM 66.9 °F 64.9 °F 93% 29.95 in 10.0 mi South 4.6 mph - 0.00 in   Overcast
5:56 AM 66.9 °F 63.0 °F 87% 29.95 in 10.0 mi SW 4.6 mph - N/A   Overcast
6:56 AM 66.9 °F 63.0 °F 87% 29.96 in 10.0 mi SE 5.8 mph - N/A   Overcast
7:56 AM 68.0 °F 63.0 °F 84% 29.96 in 10.0 mi SE 8.1 mph - N/A   Scattered Clouds
8:56 AM 70.0 °F 63.0 °F 78% 29.96 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
9:47 AM 71.6 °F 62.6 °F 73% 29.96 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
9:56 AM 71.1 °F 63.0 °F 75% 29.96 in 10.0 mi ESE 8.1 mph - N/A   Mostly Cloudy
10:56 AM 72.0 °F 63.0 °F 73% 29.96 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
11:56 AM 73.0 °F 64.0 °F 73% 29.95 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
12:56 PM 75.0 °F 64.0 °F 69% 29.94 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
1:56 PM 79.0 °F 64.9 °F 62% 29.91 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
2:56 PM 78.1 °F 64.0 °F 62% 29.92 in 10.0 mi WSW 18.4 mph 21.9 mph N/A   Mostly Cloudy
3:56 PM 75.9 °F 64.0 °F 67% 29.90 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
4:56 PM 73.9 °F 63.0 °F 68% 29.89 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
5:56 PM 73.0 °F 63.0 °F 71% 29.88 in 10.0 mi SW 12.7 mph - N/A   Mostly Cloudy
6:56 PM 72.0 °F 64.0 °F 76% 29.89 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
7:56 PM 71.1 °F 64.0 °F 78% 29.89 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:44 PM 71.6 °F 64.4 °F 78% 29.89 in 10.0 mi SSW 5.8 mph - N/A   Overcast
8:56 PM 71.1 °F 64.9 °F 81% 29.90 in 10.0 mi South 4.6 mph - N/A   Overcast
9:26 PM 66.2 °F 64.4 °F 94% 29.90 in 4.0 mi WNW 15.0 mph - 0.00 in Rain Light Rain
9:33 PM 66.2 °F 64.4 °F 94% 29.91 in 4.0 mi WNW 15.0 mph - 0.00 in Rain Light Rain
9:56 PM 66.0 °F 64.0 °F 93% 29.91 in 4.0 mi WNW 9.2 mph - 0.00 in   Overcast
10:29 PM 66.2 °F 64.4 °F 94% 29.91 in 9.0 mi West 8.1 mph - N/A   Overcast
10:56 PM 66.0 °F 63.0 °F 90% 29.91 in 10.0 mi West 11.5 mph - N/A   Overcast
11:56 PM 64.0 °F 62.1 °F 93% 29.91 in 9.0 mi West 16.1 mph - N/A   Overcast