San Francisco, CA

11:51 AM PDT on September 23, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - April, 2014

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Monday, April 21, 2014

  Actual Average Record
Temperature  
Mean Temperature 61 °F 57 °F  
Max Temperature 69 °F 65 °F 86 °F (2009)
Min Temperature 52 °F 50 °F 39 °F (1968)
Degree Days  
Heating Degree Days 4 8  
Month to date heating degree days 114 181  
Since 1 July heating degree days 1835 2301  
Cooling Degree Days 0 0  
Month to date cooling degree days 6 0  
Year to date cooling degree days 6 1  
Growing Degree Days 11 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 63    
Maximum Humidity 77    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in 0.04 in 0.83 in (1961)
Month to date precipitation 1.20 1.01  
Year to date precipitation 6.90 12.22  
Since 1 July precipitation 8.39  
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 13 mph (WNW)    
Max Wind Speed 25 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Apr. 21, 2014 Rise Set
Actual Time 6:26 AM PDT 7:50 PM PDT
Civil Twilight 5:58 AM PDT 8:18 PM PDT
Nautical Twilight 5:26 AM PDT 8:51 PM PDT
Astronomical Twilight 4:51 AM PDT 9:25 PM PDT
Moon 1:23 AM PDT (4/21) 12:00 PM PDT (4/21)
Length of Visible Light 14h 19m
Length of Day
13h 24m
Waning Gibbous, 56% of the Moon is Illuminated
Apr 21
Waning Gibbous
Apr 22
Last Quarter
Apr 28
New
May 6
First Quarter
May 14
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 55.0 °F 46.0 °F 72% 30.09 in 10.0 mi WNW 13.8 mph - N/A   Clear
1:56 AM 54.0 °F 46.0 °F 75% 30.08 in 10.0 mi WNW 9.2 mph - N/A   Clear
2:56 AM 55.0 °F 46.0 °F 72% 30.07 in 10.0 mi NW 13.8 mph - N/A   Clear
3:56 AM 53.1 °F 46.0 °F 77% 30.07 in 10.0 mi WNW 10.4 mph - N/A   Clear
4:56 AM 53.1 °F 46.9 °F 80% 30.08 in 10.0 mi West 20.7 mph - N/A   Clear
5:56 AM 53.1 °F 46.9 °F 80% 30.06 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
6:56 AM 53.1 °F 46.9 °F 80% 30.06 in 9.0 mi West 6.9 mph - N/A   Scattered Clouds
7:56 AM 57.0 °F 48.0 °F 72% 30.05 in 9.0 mi ESE 8.1 mph - N/A   Mostly Cloudy
8:56 AM 57.9 °F 46.9 °F 67% 30.08 in 10.0 mi West 18.4 mph 25.3 mph N/A   Mostly Cloudy
9:56 AM 60.1 °F 48.0 °F 64% 30.06 in 9.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
10:56 AM 62.1 °F 48.0 °F 60% 30.06 in 9.0 mi NNW 8.1 mph - N/A   Overcast
11:56 AM 62.1 °F 48.0 °F 60% 30.07 in 10.0 mi WNW 17.3 mph 24.2 mph N/A   Overcast
12:56 PM 63.0 °F 48.0 °F 58% 30.05 in 10.0 mi NW 17.3 mph - N/A   Overcast
1:56 PM 64.9 °F 48.0 °F 54% 30.04 in 10.0 mi WNW 13.8 mph 19.6 mph N/A   Overcast
2:56 PM 61.0 °F 48.0 °F 62% 30.03 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Mostly Cloudy
3:56 PM 64.9 °F 44.1 °F 47% 30.02 in 10.0 mi West 19.6 mph - N/A   Mostly Cloudy
4:56 PM 62.1 °F 48.0 °F 60% 30.02 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
5:41 PM 60.8 °F 46.4 °F 59% 30.02 in 10.0 mi West 19.6 mph 25.3 mph N/A   Mostly Cloudy
5:56 PM 61.0 °F 46.0 °F 58% 30.01 in 10.0 mi West 19.6 mph - N/A   Mostly Cloudy
6:56 PM 59.0 °F 46.9 °F 64% 30.01 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
7:56 PM 57.9 °F 48.9 °F 72% 30.01 in 10.0 mi West 16.1 mph - N/A   Mostly Cloudy
8:56 PM 57.0 °F 48.9 °F 74% 30.00 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
9:56 PM 57.0 °F 48.9 °F 74% 30.00 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
10:56 PM 57.0 °F 50.0 °F 77% 30.01 in 10.0 mi WSW 11.5 mph 17.3 mph N/A   Overcast
11:56 PM 57.0 °F 50.0 °F 77% 29.98 in 10.0 mi WSW 3.5 mph - N/A   Overcast