San Francisco, CA

9:14 AM PDT on June 25, 2017 (GMT -0700)
San Francisco International

Weather History for KSFO - January, 2015

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Saturday, January 24, 2015

  Actual Average Record
Temperature  
Mean Temperature 57 °F 51 °F  
Max Temperature 64 °F 57 °F 72 °F (1948)
Min Temperature 49 °F 45 °F 31 °F (1962)
Degree Days  
Heating Degree Days 8 14  
Month to date heating degree days 289 357  
Since 1 July heating degree days 724 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 6 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 66    
Maximum Humidity 89    
Minimum Humidity 43    
Precipitation  
Precipitation 0.00 in 0.13 in 1.72 in (2000)
Month to date precipitation 0.00 3.26  
Year to date precipitation 0.00 3.26  
Since 1 July precipitation 13.38  
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 3 mph (NNE)    
Max Wind Speed 12 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 24, 2015 Rise Set
Actual Time 7:19 AM PST 5:24 PM PST
Civil Twilight 6:51 AM PST 5:52 PM PST
Nautical Twilight 6:19 AM PST 6:24 PM PST
Astronomical Twilight 5:48 AM PST 6:55 PM PST
Moon 9:57 AM PST (1/24) 10:41 PM PST (1/24)
Length of Visible Light 11h 01m
Length of Day
10h 05m
Waxing Crescent, 24% of the Moon is Illuminated
Jan 24
Waxing Crescent
Jan 26
First Quarter
Feb 3
Full
Feb 11
Last Quarter
Feb 18
New

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 48.0 °F 89% 30.24 in 10.0 mi South 4.6 mph - N/A   Clear
1:56 AM 52.0 °F 46.0 °F 80% 30.24 in 10.0 mi NW 3.5 mph - N/A   Clear
2:56 AM 51.1 °F 46.9 °F 86% 30.24 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 53.1 °F 50.0 °F 89% 30.23 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 54.0 °F 48.9 °F 83% 30.22 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 54.0 °F 48.9 °F 83% 30.22 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 52.0 °F 48.9 °F 89% 30.22 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 53.1 °F 50.0 °F 89% 30.22 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 55.0 °F 50.0 °F 83% 30.23 in 10.0 mi Calm Calm - N/A   Clear
9:56 AM 57.9 °F 46.9 °F 67% 30.23 in 10.0 mi ESE 8.1 mph - N/A   Clear
10:56 AM 64.0 °F 41.0 °F 43% 30.21 in 10.0 mi NE 5.8 mph - N/A   Clear
11:56 AM 63.0 °F 45.0 °F 52% 30.19 in 10.0 mi NNE 5.8 mph - N/A   Clear
12:56 PM 61.0 °F 48.0 °F 62% 30.14 in 10.0 mi Calm Calm - N/A   Clear
1:56 PM 61.0 °F 50.0 °F 67% 30.12 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
2:56 PM 64.0 °F 46.0 °F 52% 30.11 in 10.0 mi ENE 4.6 mph - N/A   Scattered Clouds
3:56 PM 61.0 °F 51.1 °F 70% 30.10 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
4:56 PM 59.0 °F 53.1 °F 81% 30.10 in 10.0 mi North 6.9 mph - N/A   Partly Cloudy
5:56 PM 59.0 °F 51.1 °F 75% 30.10 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:56 PM 57.0 °F 54.0 °F 89% 30.10 in 10.0 mi North 5.8 mph - N/A   Partly Cloudy
7:56 PM 55.9 °F 51.1 °F 84% 30.12 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 55.9 °F 52.0 °F 87% 30.12 in 9.0 mi Calm Calm - N/A   Clear
9:56 PM 55.0 °F 50.0 °F 83% 30.12 in 9.0 mi Calm Calm - N/A   Clear
10:56 PM 55.9 °F 51.1 °F 84% 30.13 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 54.0 °F 53.1 °F 97% 30.13 in 9.0 mi NNE 11.5 mph - N/A   Partly Cloudy