San Francisco, CA

3:04 AM PST on November 14, 2019 (GMT -0800)
San Francisco International

Weather History for KSFO - May, 2019

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Sunday, May 19, 2019

  Actual Average Record
Temperature  
Mean Temperature 56 °F 60 °F  
Max Temperature 61 °F 68 °F 86 °F (1983)
Min Temperature 50 °F 52 °F 42 °F (1950)
Degree Days  
Heating Degree Days 9 6  
Month to date heating degree days 121 120  
Since 1 July heating degree days 2240 2488  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 9 6  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 72    
Maximum Humidity 89    
Minimum Humidity 55    
Precipitation  
Precipitation 0.28 in 0.01 in 0.30 in (1961)
Month to date precipitation 1.88 0.34  
Year to date precipitation 18.31 12.84  
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 9 mph (SW)    
Max Wind Speed 25 mph    
Max Gust Speed 31 mph    
Visibility 10 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

May. 19, 2019 Rise Set
Actual Time 5:56 AM PDT 8:15 PM PDT
Civil Twilight 5:27 AM PDT 8:45 PM PDT
Nautical Twilight 4:50 AM PDT 9:21 PM PDT
Astronomical Twilight 4:11 AM PDT 10:01 PM PDT
Moon 9:21 PM PDT (5/19) 6:45 AM PDT (5/19)
Length of Visible Light 15h 17m
Length of Day
14h 18m
Full, 99% of the Moon is Illuminated
May 19
Full
May 26
Last Quarter
Jun 3
New
Jun 9
First Quarter
Jun 17
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:36 AM 55.4 °F 51.8 °F 88% 29.76 in 7.0 mi SSW 3.5 mph - N/A   Overcast
12:56 AM 55.9 °F 52.0 °F 87% 29.76 in 10.0 mi WSW 5.8 mph - 0.04 in   Overcast
1:56 AM 55.0 °F 50.0 °F 83% 29.76 in 10.0 mi WSW 6.9 mph - N/A   Scattered Clouds
2:56 AM 53.1 °F 48.9 °F 86% 29.75 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
3:56 AM 53.1 °F 48.0 °F 83% 29.74 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
4:56 AM 54.0 °F 48.0 °F 80% 29.72 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
5:56 AM 54.0 °F 48.9 °F 83% 29.72 in 5.0 mi South 10.4 mph - 0.05 in Rain Rain
6:56 AM 50.0 °F 45.0 °F 83% 29.73 in 8.0 mi Calm Calm - 0.19 in Rain Light Rain
7:56 AM 54.0 °F 45.0 °F 72% 29.75 in 9.0 mi Variable 4.6 mph - 0.00 in   Mostly Cloudy
8:56 AM 55.0 °F 48.0 °F 77% 29.77 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
9:56 AM 59.0 °F 48.0 °F 67% 29.77 in 10.0 mi West 13.8 mph - N/A   Mostly Cloudy
10:56 AM 59.0 °F 45.0 °F 60% 29.78 in 10.0 mi West 15.0 mph 19.6 mph N/A   Mostly Cloudy
11:56 AM 59.0 °F 45.0 °F 60% 29.79 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
12:56 PM 60.1 °F 45.0 °F 57% 29.81 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
1:56 PM 57.9 °F 50.0 °F 75% 29.82 in 10.0 mi SSW 11.5 mph 17.3 mph 0.03 in   Mostly Cloudy
2:56 PM 60.1 °F 46.9 °F 62% 29.81 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
3:56 PM 57.9 °F 46.0 °F 65% 29.81 in 9.0 mi SW 13.8 mph - 0.00 in Rain Light Rain
4:56 PM 59.0 °F 45.0 °F 60% 29.82 in 10.0 mi WSW 12.7 mph - 0.00 in   Mostly Cloudy
5:56 PM 59.0 °F 46.0 °F 62% 29.83 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
6:56 PM 55.9 °F 45.0 °F 67% 29.83 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
7:56 PM 55.0 °F 46.0 °F 72% 29.84 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
8:56 PM 55.0 °F 48.0 °F 77% 29.87 in 10.0 mi West 9.2 mph - 0.00 in Rain Light Rain
9:56 PM 54.0 °F 48.9 °F 83% 29.87 in 10.0 mi SW 6.9 mph - 0.01 in   Mostly Cloudy
10:56 PM 53.1 °F 48.0 °F 83% 29.88 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
11:56 PM 52.0 °F 48.0 °F 86% 29.89 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy