San Francisco, CA

10:11 PM PDT on April 26, 2018 (GMT -0700)
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Weather History for KSFO - February, 2012

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Wednesday, February 29, 2012

  Actual Average Record
Temperature  
Mean Temperature 51 °F 54 °F  
Max Temperature 56 °F 61 °F 71 °F (1936)
Min Temperature 46 °F 47 °F 38 °F (1948)
Degree Days  
Heating Degree Days 14 11  
Month to date heating degree days 363 349  
Since 1 July heating degree days 1911 1817  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 43 °F    
Average Humidity 76    
Maximum Humidity 96    
Minimum Humidity 55    
Precipitation  
Precipitation 0.23 in 0.14 in 1.34 in (1976)
Month to date precipitation 0.66 4.06  
Year to date precipitation 2.82 8.25  
Since 1 July precipitation 5.69  
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 14 mph (SW)    
Max Wind Speed 32 mph    
Max Gust Speed 43 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Feb. 29, 2012 Rise Set
Actual Time 6:41 AM PST 6:02 PM PST
Civil Twilight 6:15 AM PST 6:29 PM PST
Nautical Twilight 5:44 AM PST 6:59 PM PST
Astronomical Twilight 5:14 AM PST 7:29 PM PST
Moon 10:45 AM PST (2/29) 12:46 AM PST (2/29)
Length of Visible Light 12h 13m
Length of Day
11h 21m
Waxing Crescent, 48% of the Moon is Illuminated
Feb 29
Waxing Crescent
Feb 29
First Quarter
Mar 8
Full
Mar 14
Last Quarter
Mar 22
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:08 AM 48.2 °F - 44.6 °F 87% 30.14 in 2.5 mi South 20.7 mph 27.6 mph 0.00 in Rain Light Rain
12:56 AM 48.9 °F - 45.0 °F 86% 30.13 in 5.0 mi South 19.6 mph 28.8 mph 0.03 in Rain Rain
1:22 AM 50.0 °F - 44.6 °F 82% 30.12 in 3.0 mi South 23.0 mph 29.9 mph 0.01 in Rain Rain
1:56 AM 50.0 °F - 46.0 °F 86% 30.11 in 5.0 mi South 24.2 mph 33.4 mph 0.03 in Rain Rain
2:49 AM 51.8 °F - 46.4 °F 82% 30.09 in 5.0 mi South 24.2 mph 32.2 mph 0.01 in Rain Light Rain
2:56 AM 51.1 °F - 46.9 °F 86% 30.09 in 8.0 mi South 25.3 mph 33.4 mph 0.01 in Rain Light Rain
3:14 AM 51.8 °F - 48.2 °F 88% 30.08 in 10.0 mi SSW 23.0 mph 34.5 mph 0.00 in   Overcast
3:33 AM 51.8 °F - 48.2 °F 88% 30.08 in 10.0 mi South 28.8 mph 42.6 mph 0.00 in Rain Rain
3:56 AM 52.0 °F - 46.9 °F 83% 30.08 in 7.0 mi SSW 29.9 mph 41.4 mph 0.00 in Rain Light Rain
4:47 AM 51.8 °F - 48.2 °F 88% 30.06 in 2.5 mi SSW 21.9 mph 36.8 mph 0.06 in Rain Heavy Rain
4:56 AM 52.0 °F - 50.0 °F 93% 30.07 in 3.0 mi SSW 20.7 mph 33.4 mph 0.08 in Rain Heavy Rain
5:22 AM 51.8 °F - 48.2 °F 88% 30.09 in 3.0 mi WSW 19.6 mph 29.9 mph 0.04 in Rain Heavy Rain
5:56 AM 48.9 °F - 46.9 °F 93% 30.10 in 5.0 mi West 11.5 mph - 0.07 in Rain Light Rain
6:56 AM 50.0 °F - 48.0 °F 93% 30.10 in 10.0 mi SSW 4.6 mph - 0.00 in Rain Light Rain
7:56 AM 50.0 °F - 48.0 °F 93% 30.14 in 9.0 mi SW 8.1 mph - 0.01 in Rain Light Rain
8:56 AM 51.1 °F - 46.9 °F 86% 30.16 in 10.0 mi WSW 11.5 mph - 0.00 in   Mostly Cloudy
9:56 AM 53.1 °F - 44.1 °F 71% 30.18 in 10.0 mi WSW 10.4 mph - N/A   Scattered Clouds
10:56 AM 54.0 °F - 42.1 °F 64% 30.19 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
11:56 AM 55.0 °F - 41.0 °F 59% 30.21 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
12:56 PM 55.0 °F - 39.0 °F 55% 30.20 in 10.0 mi West 19.6 mph 28.8 mph N/A   Mostly Cloudy
1:56 PM 53.1 °F - 39.0 °F 59% 30.21 in 10.0 mi West 17.3 mph - N/A   Mostly Cloudy
2:56 PM 52.0 °F - 37.0 °F 57% 30.21 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
3:56 PM 53.1 °F - 39.9 °F 61% 30.20 in 10.0 mi West 16.1 mph - N/A   Overcast
4:37 PM 51.8 °F - 39.2 °F 62% 30.20 in 10.0 mi WSW 12.7 mph - N/A   Overcast
4:56 PM 51.1 °F - 39.9 °F 66% 30.21 in 10.0 mi West 15.0 mph - 0.00 in Rain Light Rain
5:56 PM 50.0 °F - 37.9 °F 63% 30.22 in 10.0 mi West 12.7 mph - 0.00 in   Mostly Cloudy
6:56 PM 48.9 °F - 39.0 °F 69% 30.24 in 10.0 mi WSW 11.5 mph - N/A   Scattered Clouds
7:56 PM 48.0 °F - 39.9 °F 74% 30.24 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
8:56 PM 48.0 °F - 39.9 °F 74% 30.25 in 10.0 mi SW 5.8 mph - N/A   Mostly Cloudy
9:56 PM 48.0 °F - 39.9 °F 74% 30.27 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
10:56 PM 46.9 °F - 39.9 °F 77% 30.27 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
11:56 PM 46.0 °F 41.9 °F 39.9 °F 79% 30.27 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds