Weather History for Palo Alto, CA

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Saturday, December 3, 2011

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 66 °F 60 °F 74 °F (1958)
Min Temperature 42 °F 39 °F 31 °F (1956)
Degree Days  
Heating Degree Days 9    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 24 °F    
Average Humidity 31    
Maximum Humidity 53    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 5 mph (NNE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 20 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

Dec. 03, 2011 Rise Set
Actual Time 7:05 AM PST 4:50 PM PST
Civil Twilight 6:37 AM PST 5:19 PM PST
Nautical Twilight 6:04 AM PST 5:51 PM PST
Astronomical Twilight 5:33 AM PST 6:23 PM PST
Moon 12:51 PM PST (12/3) 12:46 AM PST (12/3)
Length of Visible Light 10h 42m
Length of Day
9h 44m
Waxing Gibbous, 63% of the Moon is Illuminated
Dec 3
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Dec 31
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 50.0 °F - 19.4 °F 30% 30.11 in 30.0 mi Calm Calm - N/A   Clear
7:47 AM 51.8 °F - 21.2 °F 30% 30.12 in 30.0 mi Variable 5.8 mph - N/A   Clear
8:47 AM 57.2 °F - 17.6 °F 21% 30.16 in 30.0 mi Variable 5.8 mph - N/A   Clear
9:47 AM 59.0 °F - 17.6 °F 20% 30.17 in 30.0 mi NNW 6.9 mph - N/A   Clear
10:47 AM 60.8 °F - 17.6 °F 19% 30.17 in 30.0 mi North 6.9 mph - N/A   Clear
11:47 AM 60.8 °F - 17.6 °F 19% 30.16 in 30.0 mi North 9.2 mph - N/A   Clear
1:47 PM 66.2 °F - 23.0 °F 19% 30.14 in 30.0 mi Variable 6.9 mph - N/A   Clear
2:47 PM 64.4 °F - 23.0 °F 21% 30.15 in 30.0 mi North 9.2 mph - N/A   Clear
3:47 PM 62.6 °F - 33.8 °F 34% 30.16 in 30.0 mi Variable 6.9 mph - N/A   Clear
4:47 PM 57.2 °F - 35.6 °F 44% 30.18 in 30.0 mi NE 9.2 mph - N/A   Clear
5:47 PM 53.6 °F - 26.6 °F 35% 30.21 in 20.0 mi NNE 4.6 mph - N/A   Clear
6:47 PM 46.4 °F 42.4 °F 28.4 °F 50% 30.21 in 20.0 mi East 8.1 mph - N/A   Clear
7:47 PM 48.2 °F - 24.8 °F 40% 30.23 in 20.0 mi South 6.9 mph - N/A   Clear
8:47 PM 42.8 °F 40.1 °F 26.6 °F 53% 30.24 in 25.0 mi Variable 4.6 mph - N/A   Clear