San Francisco, CA

11:48 AM PST on January 23, 2017 (GMT -0800)
San Francisco International

Weather History for KSFO - December, 2004

Change the Weather History Date:

Sunday, December 19, 2004

  Actual Average Record
Temperature  
Mean Temperature 52 °F 50 °F  
Max Temperature 57 °F 56 °F 68 °F (1999)
Min Temperature 46 °F 44 °F 32 °F (1965)
Degree Days  
Heating Degree Days 14 15  
Month to date heating degree days 265  
Since 1 July heating degree days 829  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 164  
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 70    
Precipitation  
Precipitation 0.00 in 0.14 in 1.81 in (1952)
Month to date precipitation 2.29  
Year to date precipitation 18.91  
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 5 mph (NNE)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Dec. 19, 2004 Rise Set
Actual Time 7:20 AM PST 4:53 PM PST
Civil Twilight 6:50 AM PST 5:23 PM PST
Nautical Twilight 6:17 AM PST 5:56 PM PST
Astronomical Twilight 5:45 AM PST 6:28 PM PST
Moon 12:53 PM PST (12/19) 12:42 AM PST (12/19)
Length of Visible Light 10h 32m
Length of Day
9h 33m
First Quarter, 62% of the Moon is Illuminated
Dec 19
First Quarter
Dec 26
Full
Jan 3
Last Quarter
Jan 10
New
Jan 16
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 46.9 °F - 44.1 °F 90% 30.31 in 7.0 mi South 4.6 mph - N/A   Clear
1:56 AM 46.0 °F 43.9 °F 45.0 °F 96% 30.30 in 7.0 mi South 4.6 mph - N/A   Clear
2:56 AM 51.1 °F - 46.9 °F 86% 30.29 in 7.0 mi North 6.9 mph - N/A   Clear
3:56 AM 51.1 °F - 48.0 °F 89% 30.29 in 7.0 mi North 8.1 mph - N/A   Clear
4:56 AM 50.0 °F - 44.1 °F 80% 30.30 in 8.0 mi North 9.2 mph - N/A   Clear
5:56 AM 48.9 °F - 43.0 °F 80% 30.30 in 9.0 mi NNE 5.8 mph - N/A   Clear
6:56 AM 46.0 °F 43.9 °F 44.1 °F 93% 30.28 in 7.0 mi SE 4.6 mph - N/A   Clear
7:56 AM 46.0 °F - 44.1 °F 93% 30.30 in 7.0 mi Calm Calm - N/A   Clear
8:56 AM 50.0 °F - 46.0 °F 86% 30.30 in 5.0 mi East 3.5 mph - N/A   Clear
9:56 AM 51.1 °F - 46.9 °F 86% 30.31 in 5.0 mi Calm Calm - N/A   Clear
10:56 AM 53.1 °F - 48.0 °F 83% 30.30 in 7.0 mi NNE 4.6 mph - N/A   Clear
11:56 AM 53.1 °F - 48.9 °F 86% 30.27 in 7.0 mi NNE 6.9 mph - N/A   Clear
12:56 PM 54.0 °F - 48.0 °F 80% 30.23 in 7.0 mi NNE 4.6 mph - N/A   Clear
1:56 PM 55.0 °F - 50.0 °F 83% 30.21 in 8.0 mi NNE 4.6 mph - N/A   Clear
2:56 PM 55.9 °F - 50.0 °F 80% 30.20 in 8.0 mi NE 3.5 mph - N/A   Clear
3:56 PM 57.9 °F - 48.0 °F 70% 30.20 in 8.0 mi Calm Calm - N/A   Clear
4:56 PM 55.9 °F - 48.0 °F 75% 30.19 in 8.0 mi Calm Calm - N/A   Clear
5:56 PM 55.0 °F - 46.9 °F 74% 30.19 in 9.0 mi West 5.8 mph - N/A   Clear
6:56 PM 53.1 °F - 51.1 °F 93% 30.20 in 10.0 mi WNW 10.4 mph - N/A   Clear
7:56 PM 52.0 °F - 52.0 °F 100% 30.19 in 9.0 mi West 10.4 mph - N/A   Clear
8:56 PM 52.0 °F - 52.0 °F 100% 30.19 in 9.0 mi West 3.5 mph - N/A   Clear
9:56 PM 50.0 °F - 48.9 °F 96% 30.17 in 9.0 mi SSE 3.5 mph - N/A   Clear
10:56 PM 51.1 °F - 50.0 °F 96% 30.16 in 9.0 mi Calm Calm - N/A   Clear
11:56 PM 51.1 °F - 51.1 °F 100% 30.15 in 4.0 mi North 8.1 mph - N/A   Clear