Palo Alto, CA

4:19 AM PDT on April 27, 2017 (GMT -0700)
Palo Alto Of Santa Clara County

Weather History for KPAO - December, 2012

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Monday, December 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 55 °F -  
Max Temperature 59 °F 58 °F 70 °F (1980)
Min Temperature 50 °F 36 °F 25 °F (1965)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 51 °F    
Average Humidity 86    
Maximum Humidity 100    
Minimum Humidity 76    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 9 mph (WSW)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 9 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

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Daily Weather History Graph

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Date:

Astronomy

Dec. 17, 2012 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 10:34 AM PST (12/17) 10:14 PM PST (12/17)
Length of Visible Light 10h 33m
Length of Day
9h 35m
Waxing Crescent, 26% of the Moon is Illuminated
Dec 17
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
7:47 AM 55.4 °F 53.6 °F 94% 30.04 in 10.0 mi South 9.2 mph - N/A   Overcast
8:47 AM 55.4 °F 53.6 °F 94% 30.05 in 6.0 mi SSE 9.2 mph - N/A   Overcast
9:47 AM 53.6 °F 53.6 °F 100% 30.08 in 3.0 mi NNW 11.5 mph - N/A Rain Light Rain
10:47 AM 55.4 °F 53.6 °F 94% 30.07 in 6.0 mi SW 5.8 mph - N/A Rain Light Rain
11:47 AM 59.0 °F 51.8 °F 77% 30.05 in 10.0 mi Variable 4.6 mph - N/A   Overcast
12:47 PM 57.2 °F 53.6 °F 88% 30.05 in 10.0 mi ENE 9.2 mph - N/A   Overcast
1:47 PM 57.2 °F 53.6 °F 88% 30.00 in 10.0 mi Variable 6.9 mph - N/A   Overcast
4:47 PM 55.4 °F 50.0 °F 82% 29.99 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
5:50 PM 55.4 °F 48.2 °F 77% 30.00 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
6:47 PM 53.6 °F 46.4 °F 77% 30.00 in 13.0 mi SW 9.2 mph - N/A   Mostly Cloudy
7:55 PM 51.8 °F 44.6 °F 76% 30.01 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
8:47 PM 50.0 °F 44.6 °F 82% 30.01 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy