Weather History for KPSF - January, 2012

Change the Weather History Date:

Monday, January 30, 2012

  Actual Average Record
Temperature  
Mean Temperature 25 °F 21 °F  
Max Temperature 33 °F 29 °F 57 °F (1947)
Min Temperature 16 °F 12 °F -16 °F (1948)
Degree Days  
Heating Degree Days 40 44  
Month to date heating degree days 1152 1341  
Since 1 July heating degree days 3439 4179  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 19 °F    
Average Humidity 68    
Maximum Humidity 92    
Minimum Humidity 43    
Precipitation  
Precipitation 0.02 in 0.10 in 0.94 in (1939)
Month to date precipitation 3.17 2.83  
Year to date precipitation 3.17 2.83  
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 33 mph    
Max Gust Speed 48 mph    
Visibility 4 miles    
Events Fog , Snow    
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

Jan. 30, 2012 Rise Set
Actual Time 7:09 AM EST 5:03 PM EST
Civil Twilight 6:39 AM EST 5:33 PM EST
Nautical Twilight 6:05 AM EST 6:07 PM EST
Astronomical Twilight 5:32 AM EST 6:40 PM EST
Moon 10:19 AM EST (1/30) No Moon Set
Length of Visible Light 10h 54m
Length of Day
9h 54m
Waxing Crescent, 46% of the Moon is Illuminated
Jan 30
Waxing Crescent
Jan 30
First Quarter
Feb 7
Full
Feb 14
Last Quarter
Feb 21
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 33.1 °F 27.7 °F 14.0 °F 46% 29.90 in 10.0 mi South 5.8 mph - N/A   Overcast
1:54 AM 33.1 °F 25.5 °F 15.1 °F 48% 29.90 in 10.0 mi SSW 9.2 mph - N/A   Partly Cloudy
2:54 AM 33.1 °F 24.9 °F 17.1 °F 52% 29.90 in 10.0 mi SSW 10.4 mph - N/A   Overcast
3:54 AM 32.0 °F 21.6 °F 19.0 °F 59% 29.91 in 10.0 mi WSW 15.0 mph 23.0 mph N/A   Overcast
4:02 AM 30.2 °F 18.5 °F 21.2 °F 69% 29.89 in 2.0 mi WSW 17.3 mph 23.0 mph 0.00 in Snow Light Snow
4:06 AM 28.4 °F 17.5 °F 24.8 °F 86% 29.89 in 1.2 mi WSW 13.8 mph - 0.00 in Snow Light Snow
4:15 AM 28.4 °F 16.6 °F 24.8 °F 86% 29.90 in 0.5 mi West 16.1 mph 21.9 mph 0.00 in Fog , Snow Snow
4:39 AM 28.4 °F 16.6 °F 26.6 °F 93% 29.91 in 1.0 mi West 16.1 mph 20.7 mph 0.00 in Snow Light Snow
4:51 AM 28.4 °F 13.3 °F 26.6 °F 93% 29.92 in 1.0 mi West 27.6 mph 35.7 mph 0.01 in Snow Light Snow
4:54 AM 28.9 °F 13.5 °F 25.0 °F 85% 29.95 in 1.0 mi West 29.9 mph 40.3 mph 0.01 in Snow Light Snow
5:06 AM 28.4 °F 12.7 °F 24.8 °F 86% 29.93 in 0.8 mi West 29.9 mph 39.1 mph 0.00 in Snow Light Snow
5:20 AM 26.6 °F 11.4 °F 24.8 °F 93% 29.95 in 0.2 mi WNW 25.3 mph 36.8 mph 0.00 in Fog , Snow Snow
5:36 AM 26.6 °F 10.0 °F 21.2 °F 80% 29.97 in 0.5 mi WNW 31.1 mph 48.3 mph 0.00 in Fog , Snow Snow
5:44 AM 26.6 °F 12.0 °F 21.2 °F 80% 29.97 in 0.8 mi WNW 23.0 mph 47.2 mph 0.00 in Snow Light Snow
5:51 AM 26.6 °F 13.1 °F 21.2 °F 80% 29.97 in 2.0 mi WNW 19.6 mph 33.4 mph 0.00 in Snow Light Snow
5:52 AM 26.1 °F 12.3 °F 21.0 °F 81% 30.01 in 2.0 mi WNW 19.6 mph 33.4 mph 0.00 in Snow Light Snow
6:03 AM 26.6 °F 11.4 °F 19.4 °F 74% 29.99 in 1.5 mi WNW 25.3 mph 38.0 mph 0.00 in Snow Light Snow
6:22 AM 24.8 °F 9.6 °F 17.6 °F 74% 30.00 in 2.0 mi WNW 23.0 mph 38.0 mph 0.00 in   Mostly Cloudy
6:40 AM 24.8 °F 11.1 °F 15.8 °F 69% 30.01 in 5.0 mi WNW 18.4 mph 32.2 mph 0.00 in   Haze
6:54 AM 25.0 °F 11.3 °F 12.9 °F 60% 30.06 in 9.0 mi NW 18.4 mph 36.8 mph 0.00 in   Overcast
7:54 AM 25.0 °F 13.6 °F 12.9 °F 60% 30.09 in 10.0 mi WNW 12.7 mph 24.2 mph N/A   Clear
9:54 AM 25.0 °F 14.2 °F 15.1 °F 66% 30.16 in 6.0 mi WNW 11.5 mph 27.6 mph 0.00 in Snow Light Snow
10:02 AM 24.8 °F 12.4 °F 15.8 °F 69% 30.12 in 2.5 mi WNW 15.0 mph 21.9 mph 0.00 in Snow Light Snow
10:19 AM 24.8 °F 14.6 °F 15.8 °F 69% 30.14 in 5.0 mi West 10.4 mph 17.3 mph 0.00 in Snow Light Snow
10:28 AM 24.8 °F 14.0 °F 17.6 °F 74% 30.14 in 1.8 mi WNW 11.5 mph 18.4 mph 0.00 in Snow Light Snow
10:41 AM 24.8 °F 14.6 °F 17.6 °F 74% 30.14 in 2.5 mi WNW 10.4 mph - 0.00 in Snow Light Snow
10:51 AM 24.8 °F 14.0 °F 17.6 °F 74% 30.14 in 5.0 mi WNW 11.5 mph 18.4 mph 0.00 in Snow Light Snow
11:13 AM 24.8 °F 16.9 °F 17.6 °F 74% 30.14 in 2.0 mi West 6.9 mph - 0.00 in Snow Light Snow
11:24 AM 24.8 °F 14.6 °F 19.4 °F 80% 30.14 in 1.0 mi West 10.4 mph - 0.00 in Snow Light Snow
11:32 AM 24.8 °F 15.3 °F 19.4 °F 80% 30.14 in 0.8 mi West 9.2 mph - 0.00 in Snow Light Snow
11:39 AM 24.8 °F 13.4 °F 19.4 °F 80% 30.15 in 1.2 mi West 12.7 mph 18.4 mph 0.00 in Snow Light Snow
11:54 AM 24.1 °F 12.5 °F 19.0 °F 81% 30.19 in 1.5 mi WNW 12.7 mph - 0.00 in Snow Light Snow
11:58 AM 24.8 °F 14.0 °F 17.6 °F 74% 30.15 in 3.0 mi West 11.5 mph - 0.00 in Snow Light Snow
12:13 PM 24.8 °F 15.3 °F 17.6 °F 74% 30.15 in 6.0 mi West 9.2 mph 18.4 mph 0.00 in Snow Light Snow
1:16 PM 24.8 °F 14.0 °F 19.4 °F 80% 30.14 in 0.8 mi WNW 11.5 mph - 0.00 in Snow Light Snow
1:37 PM 26.6 °F 17.5 °F 21.2 °F 80% 30.13 in 3.0 mi West 9.2 mph - 0.00 in Snow Light Snow
1:54 PM 26.1 °F 15.6 °F 19.9 °F 78% 30.17 in 3.0 mi West 11.5 mph - 0.00 in Snow Light Snow
2:12 PM 24.8 °F 14.0 °F 19.4 °F 80% 30.13 in 1.8 mi WNW 11.5 mph 19.6 mph 0.00 in Snow Light Snow
2:18 PM 24.8 °F 12.4 °F 19.4 °F 80% 30.13 in 2.0 mi WNW 15.0 mph - 0.00 in Snow Light Snow
2:26 PM 26.6 °F 17.5 °F 19.4 °F 74% 30.13 in 9.0 mi West 9.2 mph - 0.00 in   Mostly Cloudy
3:19 PM 24.8 °F 14.0 °F 19.4 °F 80% 30.15 in 5.0 mi West 11.5 mph - 0.00 in Snow Light Snow
3:54 PM 26.1 °F 16.2 °F 18.0 °F 71% 30.20 in 10.0 mi WNW 10.4 mph - 0.00 in   Mostly Cloudy
4:54 PM 26.1 °F 19.4 °F 16.0 °F 66% 30.21 in 10.0 mi West 5.8 mph - N/A   Overcast
5:54 PM 24.1 °F - 16.0 °F 71% 30.24 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:54 PM 21.0 °F - 15.1 °F 78% 30.25 in 10.0 mi Calm Calm - N/A   Clear
7:54 PM 17.1 °F - 12.9 °F 84% 30.27 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 17.1 °F - 14.0 °F 88% 30.26 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:54 PM 18.0 °F - 15.1 °F 88% 30.24 in 10.0 mi Calm Calm - N/A   Overcast
10:54 PM 19.0 °F - 16.0 °F 88% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
11:35 PM 19.4 °F - 15.8 °F 86% 30.20 in 2.5 mi Calm Calm - 0.00 in Snow Light Snow
11:47 PM 19.4 °F - 17.6 °F 93% 30.20 in 1.5 mi Calm Calm - 0.00 in Snow Light Snow
11:54 PM 19.9 °F - 18.0 °F 92% 30.26 in 1.5 mi Calm Calm - 0.01 in Snow Light Snow