Weather History for Palo Alto, CA

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Monday, February 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 50 °F -  
Max Temperature 53 °F 61 °F 75 °F (1977)
Min Temperature 46 °F 40 °F 29 °F (1956)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point -    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.02 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 12 miles    
Events      
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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Date:

Astronomy

Feb. 18, 2013 Rise Set
Actual Time 6:53 AM PST 5:51 PM PST
Civil Twilight 6:27 AM PST 6:18 PM PST
Nautical Twilight 5:56 AM PST 6:48 PM PST
Astronomical Twilight 5:26 AM PST 7:18 PM PST
Moon 11:44 AM PST (2/18) 1:34 AM PST (2/18)
Length of Visible Light 11h 51m
Length of Day
10h 57m
First Quarter, 59% of the Moon is Illuminated
Feb 18
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 46.4 °F 43.5 °F - N/A% 30.03 in 10.0 mi SSE 5.8 mph - N/A   Overcast
7:47 AM 46.4 °F 45.2 °F - N/A% 30.04 in 10.0 mi Variable 3.5 mph - N/A   Overcast
8:47 AM 48.2 °F - - N/A% 30.06 in 8.0 mi Variable 3.5 mph - N/A   Overcast
9:47 AM 50.0 °F - - N/A% 30.06 in 15.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
10:47 AM 53.6 °F - - N/A% 30.06 in 15.0 mi NW 9.2 mph - N/A   Overcast
12:47 PM 51.8 °F - - N/A% 30.03 in 15.0 mi WNW 9.2 mph - N/A   Overcast
1:47 PM 53.6 °F - - N/A% 30.01 in 15.0 mi WNW 9.2 mph - N/A   Overcast
2:47 PM 53.6 °F - - N/A% 30.00 in 15.0 mi West 6.9 mph - N/A   Overcast
3:47 PM 51.8 °F - - N/A% 30.00 in 10.0 mi WNW 11.5 mph - N/A   Overcast
4:47 PM 51.8 °F - - N/A% 30.00 in 15.0 mi West 9.2 mph - N/A   Overcast
5:47 PM 50.0 °F - - N/A% 30.00 in 15.0 mi West 9.2 mph - N/A   Overcast
6:47 PM 50.0 °F - - N/A% 30.00 in 10.0 mi West 9.2 mph - N/A   Overcast
7:47 PM 50.0 °F - - N/A% 30.00 in 10.0 mi West 8.1 mph - N/A   Overcast