San Francisco, CA

11:52 AM PDT on September 23, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - February, 2010

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Tuesday, February 23, 2010

  Actual Average Record
Temperature  
Mean Temperature 53 °F 54 °F  
Max Temperature 56 °F 61 °F 73 °F (1985)
Min Temperature 49 °F 47 °F 35 °F (1955)
Degree Days  
Heating Degree Days 12 11  
Month to date heating degree days 252 283  
Since 1 July heating degree days 1664 1750  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 63    
Precipitation  
Precipitation 0.69 in 0.14 in 0.77 in (1969)
Month to date precipitation 1.95 3.36  
Year to date precipitation 7.92 7.55  
Since 1 July precipitation 14.42  
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 10 mph (SE)    
Max Wind Speed 26 mph    
Max Gust Speed 40 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 23, 2010 Rise Set
Actual Time 6:48 AM PST 5:57 PM PST
Civil Twilight 6:22 AM PST 6:23 PM PST
Nautical Twilight 5:52 AM PST 6:54 PM PST
Astronomical Twilight 5:21 AM PST 7:24 PM PST
Moon 12:23 PM PST 2:50 AM PST
Length of Visible Light 12h 01m
Length of Day
11h 08m
Waxing Gibbous, 69% of the Moon is Illuminated
Feb 23
Waxing Gibbous
Feb 28
Full
Mar 7
Last Quarter
Mar 15
New
Mar 23
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 51.1 °F 41.0 °F 68% 30.21 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
1:56 AM 50.0 °F 42.1 °F 74% 30.21 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:56 AM 51.1 °F 43.0 °F 74% 30.19 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:56 AM 50.0 °F 42.1 °F 74% 30.18 in 10.0 mi Calm Calm - N/A   Overcast
4:56 AM 50.0 °F 39.9 °F 68% 30.19 in 10.0 mi SSE 3.5 mph - N/A   Overcast
5:56 AM 50.0 °F 39.9 °F 68% 30.18 in 10.0 mi South 4.6 mph - N/A   Overcast
6:56 AM 51.1 °F 39.0 °F 63% 30.19 in 10.0 mi Calm Calm - N/A   Overcast
7:56 AM 51.1 °F 41.0 °F 68% 30.18 in 10.0 mi SE 5.8 mph - N/A   Overcast
8:56 AM 52.0 °F 39.9 °F 63% 30.20 in 10.0 mi Calm Calm - 0.00 in Rain Light Rain
9:56 AM 52.0 °F 41.0 °F 66% 30.20 in 10.0 mi NE 3.5 mph - 0.01 in Rain Light Rain
10:56 AM 52.0 °F 44.1 °F 74% 30.21 in 8.0 mi East 5.8 mph - 0.03 in Rain Light Rain
11:56 AM 50.0 °F 46.0 °F 86% 30.21 in 8.0 mi ESE 8.1 mph - 0.08 in Rain Light Rain
12:56 PM 51.1 °F 48.0 °F 89% 30.18 in 8.0 mi ESE 11.5 mph - 0.07 in Rain Light Rain
1:56 PM 51.1 °F 48.0 °F 89% 30.15 in 8.0 mi ESE 15.0 mph - 0.05 in Rain Light Rain
2:56 PM 52.0 °F 48.0 °F 86% 30.12 in 10.0 mi SE 17.3 mph - 0.00 in Rain Light Rain
3:56 PM 51.1 °F 48.0 °F 89% 30.12 in 9.0 mi ESE 16.1 mph - 0.03 in Rain Light Rain
4:56 PM 50.0 °F 46.9 °F 89% 30.10 in 8.0 mi SE 19.6 mph 26.5 mph 0.01 in Rain Light Rain
5:56 PM 51.1 °F 46.9 °F 86% 30.09 in 7.0 mi ESE 19.6 mph - 0.06 in Rain Rain
6:56 PM 51.1 °F 48.0 °F 89% 30.09 in 9.0 mi SE 11.5 mph - 0.04 in Rain Light Rain
7:56 PM 50.0 °F 48.0 °F 93% 30.08 in 9.0 mi ESE 16.1 mph - 0.13 in Rain Light Rain
8:56 PM 51.1 °F 48.0 °F 89% 30.06 in 9.0 mi East 16.1 mph - 0.02 in Rain Light Rain
9:56 PM 51.1 °F 48.9 °F 92% 30.05 in 8.0 mi ESE 10.4 mph - 0.11 in Rain Rain
10:56 PM 54.0 °F 51.1 °F 90% 30.04 in 4.0 mi South 18.4 mph 27.6 mph 0.03 in Rain Light Rain
11:56 PM 55.0 °F 52.0 °F 89% 30.02 in 4.0 mi SSE 21.9 mph 33.4 mph 0.01 in Rain Light Rain