San Francisco, CA

1:01 AM PDT on March 30, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - January, 2013

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Thursday, January 24, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F 51 °F  
Max Temperature 56 °F 57 °F 72 °F (1948)
Min Temperature 50 °F 45 °F 31 °F (1962)
Degree Days  
Heating Degree Days 12 14  
Month to date heating degree days 410 357  
Since 1 July heating degree days 1405 1367  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 85    
Maximum Humidity 93    
Minimum Humidity 77    
Precipitation  
Precipitation 0.00 in 0.13 in 1.72 in (2000)
Month to date precipitation 0.20 3.26  
Year to date precipitation 0.20 3.26  
Since 1 July precipitation 11.20  
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 3 mph (East)    
Max Wind Speed 8 mph    
Max Gust Speed 9 mph    
Visibility 6 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

Jan. 24, 2013 Rise Set
Actual Time 7:18 AM PST 5:24 PM PST
Civil Twilight 6:50 AM PST 5:53 PM PST
Nautical Twilight 6:19 AM PST 6:24 PM PST
Astronomical Twilight 5:47 AM PST 6:55 PM PST
Moon 3:32 PM PST (1/24) 5:19 AM PST (1/24)
Length of Visible Light 11h 02m
Length of Day
10h 06m
Waxing Gibbous, 95% of the Moon is Illuminated
Jan 24
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 9
New
Feb 17
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 50.0 °F 48.0 °F 93% 30.08 in 4.0 mi South 3.5 mph - N/A   Overcast
1:56 AM 51.1 °F 48.0 °F 89% 30.08 in 5.0 mi Calm Calm - N/A   Overcast
2:47 AM 51.8 °F 46.4 °F 82% 30.09 in 5.0 mi Calm Calm - N/A   Overcast
2:56 AM 51.1 °F 46.9 °F 86% 30.09 in 6.0 mi SW 3.5 mph - N/A   Overcast
3:56 AM 51.1 °F 46.9 °F 86% 30.09 in 6.0 mi Calm Calm - N/A   Overcast
4:56 AM 51.1 °F 48.0 °F 89% 30.09 in 6.0 mi Calm Calm - N/A   Overcast
5:56 AM 52.0 °F 48.0 °F 86% 30.09 in 6.0 mi Calm Calm - N/A   Overcast
6:56 AM 51.1 °F 48.0 °F 89% 30.10 in 6.0 mi NNE 3.5 mph - N/A   Overcast
7:56 AM 51.1 °F 48.0 °F 89% 30.12 in 3.0 mi North 4.6 mph - N/A   Overcast
8:56 AM 52.0 °F 48.0 °F 86% 30.13 in 3.0 mi SE 3.5 mph - N/A   Overcast
9:46 AM 51.8 °F 48.2 °F 88% 30.15 in 4.0 mi NNE 4.6 mph - N/A   Overcast
9:47 AM 51.8 °F 48.2 °F 88% 30.15 in 4.0 mi NNE 4.6 mph - N/A   Overcast
9:56 AM 52.0 °F 48.0 °F 86% 30.16 in 4.0 mi NNE 5.8 mph - N/A   Overcast
10:56 AM 52.0 °F 48.9 °F 89% 30.17 in 4.0 mi North 4.6 mph - N/A   Overcast
11:56 AM 52.0 °F 48.9 °F 89% 30.16 in 4.0 mi Calm Calm - N/A   Overcast
12:56 PM 53.1 °F 48.9 °F 86% 30.13 in 5.0 mi East 3.5 mph - N/A   Overcast
1:56 PM 53.1 °F 48.9 °F 86% 30.12 in 6.0 mi ENE 3.5 mph - N/A   Overcast
2:56 PM 53.1 °F 48.9 °F 86% 30.13 in 8.0 mi East 4.6 mph - N/A   Overcast
3:56 PM 53.1 °F 48.9 °F 86% 30.13 in 8.0 mi East 4.6 mph - N/A   Overcast
4:56 PM 55.9 °F 50.0 °F 80% 30.14 in 9.0 mi SE 5.8 mph - N/A   Overcast
5:56 PM 55.0 °F 50.0 °F 83% 30.15 in 10.0 mi SE 5.8 mph - N/A   Overcast
6:56 PM 55.0 °F 50.0 °F 83% 30.17 in 10.0 mi SE 5.8 mph - N/A   Overcast
7:56 PM 55.0 °F 48.9 °F 80% 30.17 in 10.0 mi SSE 4.6 mph - N/A   Overcast
8:56 PM 55.0 °F 48.9 °F 80% 30.18 in 10.0 mi SSE 3.5 mph - N/A   Overcast
9:56 PM 53.1 °F 48.9 °F 86% 30.18 in 10.0 mi Calm Calm - N/A   Overcast
10:56 PM 52.0 °F 48.9 °F 89% 30.19 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
11:56 PM 52.0 °F 48.9 °F 89% 30.19 in 9.0 mi NNE 4.6 mph - N/A   Mostly Cloudy