Weather History for San Francisco, CA

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Friday, October 25, 2013

  Actual Average Record
Temperature  
Mean Temperature 59 °F 60 °F  
Max Temperature 67 °F 69 °F 87 °F (2003)
Min Temperature 50 °F 52 °F 40 °F (1953)
Degree Days  
Heating Degree Days 6 5  
Month to date heating degree days 99 88  
Since 1 July heating degree days 232 254  
Cooling Degree Days 0 0  
Month to date cooling degree days 23 20  
Year to date cooling degree days 164 161  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 69    
Maximum Humidity 86    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in 0.05 in 1.50 in (1979)
Month to date precipitation 0.00 0.65  
Year to date precipitation 2.12 13.94  
Since 1 July precipitation 0.23 0.86  
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 21 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Oct. 25, 2013 Rise Set
Actual Time 7:27 AM PDT 6:18 PM PDT
Civil Twilight 7:00 AM PDT 6:45 PM PDT
Nautical Twilight 6:30 AM PDT 7:16 PM PDT
Astronomical Twilight 5:59 AM PDT 7:46 PM PDT
Moon 11:44 PM PDT (10/25) 1:09 PM PDT (10/25)
Length of Visible Light 11h 44m
Length of Day
10h 50m
Waning Gibbous, 61% of the Moon is Illuminated
Oct 25
Waning Gibbous
Oct 26
Last Quarter
Nov 3
New
Nov 9
First Quarter
Nov 17
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 53.1 °F 46.0 °F 77% 30.12 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
1:13 AM 53.6 °F 46.4 °F 77% 30.13 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:56 AM 55.0 °F 48.0 °F 77% 30.14 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
2:27 AM 53.6 °F 46.4 °F 77% 30.14 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
2:56 AM 53.1 °F 46.0 °F 77% 30.14 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
3:30 AM 53.6 °F 46.4 °F 77% 30.14 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
3:56 AM 53.1 °F 46.0 °F 77% 30.14 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
4:49 AM 51.8 °F 46.4 °F 82% 30.14 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
4:56 AM 52.0 °F 45.0 °F 77% 30.14 in 10.0 mi SSW 4.6 mph - N/A   Scattered Clouds
5:56 AM 50.0 °F 46.0 °F 86% 30.14 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
6:56 AM 51.1 °F 46.0 °F 83% 30.15 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
7:56 AM 51.1 °F 46.0 °F 83% 30.16 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
8:56 AM 54.0 °F 48.0 °F 80% 30.17 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
9:56 AM 57.0 °F 48.0 °F 72% 30.18 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
10:56 AM 57.9 °F 48.9 °F 72% 30.17 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy
11:56 AM 59.0 °F 48.9 °F 69% 30.17 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
12:56 PM 62.1 °F 50.0 °F 65% 30.15 in 10.0 mi NE 4.6 mph - N/A   Mostly Cloudy
1:56 PM 66.0 °F 48.0 °F 52% 30.13 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
2:56 PM 64.9 °F 48.0 °F 54% 30.11 in 10.0 mi West 17.3 mph - N/A   Mostly Cloudy
3:56 PM 62.1 °F 48.0 °F 60% 30.11 in 10.0 mi West 19.6 mph - N/A   Overcast
4:56 PM 63.0 °F 48.0 °F 58% 30.10 in 10.0 mi West 15.0 mph - N/A   Overcast
5:56 PM 61.0 °F 48.0 °F 62% 30.09 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
6:56 PM 59.0 °F 48.0 °F 67% 30.09 in 10.0 mi WNW 12.7 mph - N/A   Scattered Clouds
7:56 PM 57.9 °F 46.9 °F 67% 30.10 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
8:56 PM 55.9 °F 48.0 °F 75% 30.10 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
9:56 PM 55.9 °F 48.0 °F 75% 30.12 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
10:56 PM 55.0 °F 48.0 °F 77% 30.12 in 10.0 mi West 11.5 mph - N/A   Clear
11:56 PM 55.0 °F 48.0 °F 77% 30.12 in 10.0 mi WNW 10.4 mph - N/A   Clear