San Francisco, CA

8:50 PM PST on February 12, 2016 (GMT -0800)
San Francisco International

Weather History for KSFO - February, 2014

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Tuesday, February 18, 2014

  Actual Average Record
Temperature  
Mean Temperature 55 °F 53 °F  
Max Temperature 62 °F 60 °F 71 °F (1977)
Min Temperature 48 °F 47 °F 33 °F (1956)
Degree Days  
Heating Degree Days 10 12  
Month to date heating degree days 198 226  
Since 1 July heating degree days 1465 1693  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 80    
Maximum Humidity 93    
Minimum Humidity 67    
Precipitation  
Precipitation 0.00 in 0.14 in 1.75 in (1958)
Month to date precipitation 2.59 2.64  
Year to date precipitation 2.60 6.83  
Since 1 July precipitation 4.09  
Sea Level Pressure  
Sea Level Pressure 30.15 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 22 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Feb. 18, 2014 Rise Set
Actual Time 6:55 AM PST 5:52 PM PST
Civil Twilight 6:28 AM PST 6:18 PM PST
Nautical Twilight 5:57 AM PST 6:49 PM PST
Astronomical Twilight 5:27 AM PST 7:19 PM PST
Moon 9:45 PM PST (2/18) 8:35 AM PST (2/18)
Length of Visible Light 11h 50m
Length of Day
10h 56m
Waning Gibbous, 86% of the Moon is Illuminated
Feb 18
Waning Gibbous
Feb 22
Last Quarter
Mar 1
New
Mar 8
First Quarter
Mar 16
Full

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 52.0 °F 48.0 °F 86% 30.19 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
1:56 AM 51.1 °F 46.9 °F 86% 30.17 in 10.0 mi Calm Calm - N/A   Partly Cloudy
2:56 AM 48.0 °F 45.0 °F 89% 30.16 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
3:56 AM 48.0 °F 45.0 °F 89% 30.16 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
4:56 AM 48.0 °F 46.0 °F 93% 30.16 in 10.0 mi SSW 3.5 mph - N/A   Mostly Cloudy
5:56 AM 48.9 °F 45.0 °F 86% 30.16 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
6:56 AM 50.0 °F 46.0 °F 86% 30.18 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 AM 51.1 °F 46.9 °F 86% 30.19 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
8:56 AM 53.1 °F 48.0 °F 83% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
9:56 AM 54.0 °F 48.9 °F 83% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
10:56 AM 55.0 °F 50.0 °F 83% 30.20 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
11:56 AM 57.0 °F 51.1 °F 81% 30.19 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
12:56 PM 57.9 °F 51.1 °F 78% 30.15 in 10.0 mi ENE 5.8 mph - N/A   Mostly Cloudy
1:56 PM 57.9 °F 51.1 °F 78% 30.13 in 10.0 mi ENE 3.5 mph - N/A   Mostly Cloudy
2:56 PM 62.1 °F 51.1 °F 67% 30.12 in 10.0 mi WNW 11.5 mph - N/A   Mostly Cloudy
3:56 PM 61.0 °F 50.0 °F 67% 30.12 in 10.0 mi West 18.4 mph - N/A   Mostly Cloudy
4:56 PM 59.0 °F 50.0 °F 72% 30.12 in 10.0 mi West 17.3 mph - N/A   Mostly Cloudy
5:56 PM 57.9 °F 50.0 °F 75% 30.12 in 10.0 mi West 15.0 mph - N/A   Mostly Cloudy
6:56 PM 57.0 °F 48.9 °F 74% 30.12 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
7:56 PM 57.0 °F 48.9 °F 74% 30.12 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
8:56 PM 55.9 °F 48.0 °F 75% 30.12 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
9:56 PM 55.0 °F 48.0 °F 77% 30.12 in 10.0 mi West 17.3 mph - N/A   Scattered Clouds
10:56 PM 54.0 °F 50.0 °F 86% 30.12 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
11:36 PM 55.4 °F 51.8 °F 88% 30.13 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy
11:56 PM 55.0 °F 53.1 °F 93% 30.14 in 5.0 mi WNW 16.1 mph - N/A   Overcast