Weather History for Palo Alto, CA

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Wednesday, December 4, 2013

  Actual Average Record
Temperature  
Mean Temperature 45 °F -  
Max Temperature 51 °F 60 °F 74 °F (1958)
Min Temperature 39 °F 39 °F 26 °F (2004)
Degree Days  
Heating Degree Days 20    
Moisture  
Dew Point 26 °F    
Average Humidity 47    
Maximum Humidity 70    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.04 in    
Wind  
Wind Speed 4 mph (North)    
Max Wind Speed 7 mph    
Max Gust Speed -    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 04, 2013 Rise Set
Actual Time 7:07 AM PST 4:50 PM PST
Civil Twilight 6:38 AM PST 5:19 PM PST
Nautical Twilight 6:05 AM PST 5:51 PM PST
Astronomical Twilight 5:34 AM PST 6:23 PM PST
Moon 8:41 AM PST (12/4) 7:05 PM PST (12/4)
Length of Visible Light 10h 40m
Length of Day
9h 42m
Waxing Crescent, 5% of the Moon is Illuminated
Dec 4
Waxing Crescent
Dec 9
First Quarter
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
7:47 AM 39.2 °F 37.0 °F 30.2 °F 70% 30.03 in 30.0 mi Variable 3.5 mph - N/A   Clear
8:54 AM 39.2 °F 35.9 °F 30.2 °F 70% 30.06 in 30.0 mi Variable 4.6 mph - N/A   Clear
9:47 AM 48.2 °F - 28.4 °F 46% 30.08 in 30.0 mi Variable 4.6 mph - N/A   Clear
10:49 AM 50.0 °F - 21.2 °F 32% 30.09 in 30.0 mi Variable 5.8 mph - N/A   Clear
11:47 AM 51.8 °F - 21.2 °F 30% 30.07 in 30.0 mi Variable 3.5 mph - N/A   Clear
12:47 PM 51.8 °F - 23.0 °F 33% 30.04 in 30.0 mi Variable 5.8 mph - N/A   Clear
1:47 PM 51.8 °F - - N/A% 30.03 in 30.0 mi NNE 6.9 mph - N/A   Partly Cloudy
2:47 PM 51.8 °F - - N/A% 30.02 in 30.0 mi Variable 4.6 mph - N/A   Partly Cloudy
3:47 PM 51.8 °F - - N/A% 30.02 in 30.0 mi Variable 4.6 mph - N/A   Partly Cloudy
4:50 PM 46.4 °F 44.3 °F - N/A% 30.02 in 30.0 mi NNW 4.6 mph - N/A   Clear
5:47 PM 42.8 °F 41.1 °F - N/A% 30.02 in 30.0 mi Variable 3.5 mph - N/A   Clear
6:50 PM 42.8 °F 41.1 °F - N/A% 30.03 in 30.0 mi Variable 3.5 mph - N/A   Clear
7:47 PM 39.2 °F 37.0 °F - N/A% 30.04 in 30.0 mi Variable 3.5 mph - N/A   Clear
8:47 PM 39.2 °F - - N/A% 30.06 in 25.0 mi Calm Calm - N/A   Clear