History for San Francisco, CA

Tuesday, December 25, 2012 — View Current Conditions
Tuesday, December 25, 2012
« Previous Day
Next Day »
Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 49 °F 50 °F  
Max Temperature 54 °F 56 °F 68 °F (1967)
Min Temperature 44 °F 44 °F 31 °F (1990)
Degree Days
Heating Degree Days 16 15  
Month to date heating degree days 300 355  
Since 1 July heating degree days 895 919  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 86 164  
Moisture
Dew Point 42 °F    
Average Humidity 79    
Maximum Humidity 86    
Minimum Humidity 71    
Precipitation
Precipitation 0.90 in 0.15 in 1.23 in (1968)
Month to date precipitation 5.76 3.19  
Year to date precipitation 20.98 19.81  
Since 1 July precipitation 10.52 6.73  
Sea Level Pressure
Sea Level Pressure 29.96 in    
Wind
Wind Speed 7 mph (SW)    
Max Wind Speed 26 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary
Daily Graph
Certify This Report
History Location
Airport:
 
Trip Planner
Search our historical database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it will be!
Date:
Radar Archive
Click to View Archived Radar Loop
This image may take a moment to generate.
Local Photos
Merry Christmas
Happy Holidays.
It wasn't me!
Up up and away
Titmouse
Not the best of settings but at least I finally got a "decent" Titmouse.
Visit WunderPhotos
Astronomy
May. 23, 2013 Rise Set
Actual Time 7:22 AM PST 4:57 PM PST
Civil Twilight 6:53 AM PST 5:26 PM PST
Nautical Twilight 6:20 AM PST 5:59 PM PST
Astronomical Twilight 5:48 AM PST 6:31 PM PST
Moon 3:08 PM PST (12/25) 5:00 AM PST (12/25)
Length Of Visible Light 10h 33m
Length of Day
9h 34m
Waxing Gibbous, 94% of the Moon is Illuminated
Dec 25
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Visit Astronomy
Hourly Observations
Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 46.0 °F - 39.0 °F 76% 30.15 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:56 AM 45.0 °F - 37.9 °F 76% 30.14 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:56 AM 46.9 °F - 39.0 °F 74% 30.13 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
3:56 AM 46.0 °F 43.1 °F 39.9 °F 79% 30.09 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
4:56 AM 46.0 °F - 37.9 °F 73% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:56 AM 45.0 °F 41.2 °F 39.0 °F 80% 30.10 in 10.0 mi West 6.9 mph - N/A   Overcast
6:56 AM 46.9 °F - 39.0 °F 74% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
7:56 AM 46.9 °F - 39.0 °F 74% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
8:56 AM 46.9 °F - 39.9 °F 77% 30.11 in 10.0 mi SSE 5.8 mph - 0.02 in Rain Light Rain
9:56 AM 46.9 °F - 41.0 °F 80% 30.09 in 10.0 mi SE 10.4 mph - 0.02 in   Overcast
10:56 AM 46.9 °F - 39.9 °F 77% 30.04 in 10.0 mi SE 9.2 mph - N/A   Overcast
11:56 AM 48.0 °F - 39.9 °F 74% 30.01 in 10.0 mi SE 8.1 mph - 0.00 in Rain Light Rain
12:56 PM 48.9 °F - 41.0 °F 74% 29.96 in 10.0 mi ENE 5.8 mph - 0.03 in Rain Light Rain
1:56 PM 48.9 °F - 42.1 °F 77% 29.94 in 10.0 mi NNE 6.9 mph - 0.02 in Rain Light Rain
2:56 PM 48.9 °F - 44.1 °F 83% 29.89 in 7.0 mi Calm Calm - 0.07 in Rain Light Rain
3:31 PM 48.2 °F - 42.8 °F 82% 29.87 in 10.0 mi SW 4.6 mph - N/A   Overcast
3:54 PM 50.0 °F - 44.6 °F 82% 29.86 in 10.0 mi West 6.9 mph - 0.01 in Rain Light Rain
3:56 PM 50.0 °F - 44.1 °F 80% 29.86 in 10.0 mi West 6.9 mph - 0.01 in Rain Light Rain
4:56 PM 50.0 °F - 45.0 °F 83% 29.84 in 5.0 mi ENE 9.2 mph - 0.24 in Rain Heavy Rain
6:56 PM 52.0 °F - 46.9 °F 83% 29.79 in 9.0 mi SE 11.5 mph - 0.03 in Rain Rain
7:56 PM 54.0 °F - 48.0 °F 80% 29.81 in 6.0 mi WSW 15.0 mph 24.2 mph 0.25 in Rain Rain
8:19 PM 53.6 °F - 46.4 °F 77% 29.82 in 10.0 mi WSW 16.1 mph - 0.03 in   Mostly Cloudy
8:56 PM 54.0 °F - 46.9 °F 77% 29.83 in 10.0 mi WSW 15.0 mph 24.2 mph 0.03 in   Mostly Cloudy
9:37 PM 53.6 °F - 44.6 °F 72% 29.85 in 8.0 mi West 25.3 mph 35.7 mph 0.00 in Rain Light Rain
9:51 PM 51.8 °F - 44.6 °F 76% 29.85 in 10.0 mi WSW 12.7 mph 23.0 mph 0.00 in Rain Light Rain
9:56 PM 52.0 °F - 46.0 °F 80% 29.85 in 10.0 mi West 11.5 mph - 0.00 in Rain Light Rain
10:56 PM 53.1 °F - 45.0 °F 74% 29.87 in 10.0 mi West 9.2 mph - 0.00 in   Mostly Cloudy
11:56 PM 52.0 °F - 43.0 °F 71% 29.88 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
Show full METARS | METAR FAQ | Comma Delimited File