Palo Alto, CA

3:47 PM PST on January 22, 2017 (GMT -0800)
Palo Alto Of Santa Clara County

Weather History for KPAO - December, 2010

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Saturday, December 18, 2010

  Actual Average Record
Temperature  
Mean Temperature 58 °F -  
Max Temperature 60 °F 58 °F 74 °F (1958)
Min Temperature 57 °F 36 °F 24 °F (1965)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 77    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 9 mph (South)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Rain    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Dec. 18, 2010 Rise Set
Actual Time 7:17 AM PST 4:52 PM PST
Civil Twilight 6:48 AM PST 5:21 PM PST
Nautical Twilight 6:15 AM PST 5:54 PM PST
Astronomical Twilight 5:43 AM PST 6:26 PM PST
Moon 2:42 PM PST (12/18) 4:44 AM PST (12/18)
Length of Visible Light 10h 33m
Length of Day
9h 34m
Waxing Gibbous, 93% of the Moon is Illuminated
Dec 18
Waxing Gibbous
Dec 21
Full
Dec 27
Last Quarter
Jan 4
New
Jan 12
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 57.2 °F 55.4 °F 94% 29.78 in 10.0 mi SSW 11.5 mph - N/A   Overcast
7:47 AM 57.2 °F 53.6 °F 88% 29.78 in 10.0 mi SSW 9.2 mph - N/A   Overcast
8:47 AM 59.0 °F 53.6 °F 82% 29.81 in 10.0 mi Variable 5.8 mph - N/A   Overcast
9:47 AM 59.0 °F 55.4 °F 88% 29.84 in 10.0 mi Variable 4.6 mph - N/A   Overcast
11:47 AM 60.8 °F 55.4 °F 82% 29.81 in 12.0 mi South 9.2 mph - N/A   Overcast
12:47 PM 60.8 °F 55.4 °F 82% 29.80 in 7.0 mi South 9.2 mph - N/A Rain Light Rain
1:47 PM 59.0 °F 53.6 °F 82% 29.79 in 5.0 mi WSW 9.2 mph - N/A   Overcast
2:47 PM 57.2 °F 55.4 °F 94% 29.77 in 6.0 mi Variable 5.8 mph - N/A   Overcast
4:47 PM 57.2 °F 55.4 °F 94% 29.76 in 8.0 mi Variable 4.6 mph - N/A   Overcast
6:47 PM 57.2 °F 57.2 °F 100% 29.73 in 10.0 mi SSE 11.5 mph - N/A Rain Light Rain
7:47 PM 59.0 °F 55.4 °F 88% 29.76 in 25.0 mi Variable 5.8 mph - N/A Rain Light Rain
8:47 PM 60.8 °F 53.6 °F 77% 29.77 in 20.0 mi South 11.5 mph - N/A   Overcast