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:

Wednesday, December 8, 2004

  Actual Average Record
Temperature  
Mean Temperature 56 °F 51 °F  
Max Temperature 60 °F 57 °F 69 °F (1988)
Min Temperature 53 °F 45 °F 29 °F (1978)
Degree Days  
Heating Degree Days 8 14  
Month to date heating degree days 106  
Since 1 July heating degree days 670  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 164  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 97    
Maximum Humidity 100    
Minimum Humidity 89    
Precipitation  
Precipitation 0.99 in 0.12 in 1.32 in (2016)
Month to date precipitation 0.90  
Year to date precipitation 17.52  
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 16 mph (South)    
Max Wind Speed 25 mph    
Max Gust Speed 32 mph    
Visibility 7 miles    
Events Rain    
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. 08, 2004 Rise Set
Actual Time 7:12 AM PST 4:50 PM PST
Civil Twilight 6:43 AM PST 5:20 PM PST
Nautical Twilight 6:10 AM PST 5:52 PM PST
Astronomical Twilight 5:38 AM PST 6:24 PM PST
Moon 3:16 AM PST (12/8) 2:22 PM PST (12/8)
Length of Visible Light 10h 36m
Length of Day
9h 38m
Waning Crescent, 14% of the Moon is Illuminated
Dec 8
Waning Crescent
Dec 11
New
Dec 18
First Quarter
Dec 26
Full
Jan 3
Last 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 55.0 °F 53.1 °F 93% 29.93 in 7.0 mi South 25.3 mph 32.2 mph 0.09 in Rain Light Rain
1:56 AM 55.9 °F 54.0 °F 93% 29.92 in 7.0 mi South 20.7 mph 27.6 mph 0.10 in Rain Light Rain
2:56 AM 57.0 °F 54.0 °F 89% 29.93 in 7.0 mi South 18.4 mph 28.8 mph 0.09 in Rain Light Rain
3:56 AM 57.0 °F 55.0 °F 93% 29.91 in 6.0 mi SSE 11.5 mph 21.9 mph 0.13 in Rain Light Rain
4:56 AM 55.0 °F 54.0 °F 96% 29.93 in 8.0 mi ESE 10.4 mph - 0.13 in Rain Light Rain
5:56 AM 54.0 °F 54.0 °F 100% 29.96 in 4.0 mi ESE 17.3 mph - 0.20 in Rain Heavy Rain
6:20 AM 53.6 °F 53.6 °F 100% 29.96 in 10.0 mi SE 15.0 mph - 0.06 in Rain Light Rain
6:56 AM 57.9 °F 57.9 °F 100% 29.98 in 4.0 mi SSW 15.0 mph 25.3 mph 0.06 in   Overcast
7:56 AM 57.9 °F 57.9 °F 100% 29.99 in 4.0 mi SSW 15.0 mph 23.0 mph 0.02 in   Overcast
8:56 AM 59.0 °F 59.0 °F 100% 30.04 in 3.0 mi SSW 11.5 mph - 0.01 in   Overcast
9:31 AM 59.0 °F 59.0 °F 100% 30.06 in 2.5 mi SSW 11.5 mph - N/A   Overcast
9:56 AM 59.0 °F 59.0 °F 100% 30.07 in 3.0 mi SSW 13.8 mph 21.9 mph 0.00 in   Overcast
10:17 AM 59.0 °F 59.0 °F 100% 30.08 in 3.0 mi SSW 15.0 mph - 0.00 in Rain Light Rain
10:56 AM 60.1 °F 59.0 °F 96% 30.09 in 6.0 mi SSW 16.1 mph - 0.01 in   Overcast
11:56 AM 59.0 °F 59.0 °F 100% 30.10 in 2.5 mi SSW 16.1 mph 29.9 mph 0.02 in   Overcast
12:56 PM 59.0 °F 59.0 °F 100% 30.09 in 3.0 mi SSW 11.5 mph - 0.04 in Rain Light Rain
1:56 PM 60.1 °F 59.0 °F 96% 30.09 in 7.0 mi SSW 12.7 mph 21.9 mph 0.05 in Rain Light Rain
2:56 PM 60.1 °F 59.0 °F 96% 30.09 in 8.0 mi South 10.4 mph 20.7 mph 0.00 in Rain Light Rain
3:56 PM 60.1 °F 60.1 °F 100% 30.09 in 9.0 mi South 11.5 mph - 0.00 in   Overcast
4:56 PM 60.1 °F 59.0 °F 96% 30.11 in 8.0 mi South 10.4 mph - N/A   Overcast
5:56 PM 59.0 °F 59.0 °F 100% 30.12 in 10.0 mi SSE 10.4 mph - 0.00 in   Drizzle
6:56 PM 60.1 °F 57.9 °F 93% 30.15 in 10.0 mi South 10.4 mph 21.9 mph 0.01 in   Drizzle
7:56 PM 59.0 °F 57.9 °F 96% 30.17 in 10.0 mi South 4.6 mph - 0.01 in   Drizzle
8:56 PM 59.0 °F 57.9 °F 96% 30.19 in 10.0 mi SE 8.1 mph - 0.01 in   Drizzle
9:56 PM 59.0 °F 57.9 °F 96% 30.20 in 10.0 mi SE 6.9 mph - 0.00 in   Drizzle
10:56 PM 59.0 °F 57.9 °F 96% 30.22 in 7.0 mi SE 6.9 mph - 0.01 in Rain Light Rain
11:56 PM 59.0 °F 57.9 °F 96% 30.23 in 10.0 mi South 8.1 mph - 0.00 in Rain Light Rain