Palo Alto, CA

8:40 PM PST on January 23, 2018 (GMT -0800)
Palo Alto Of Santa Clara County

Weather History for KPAO - December, 2011

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Thursday, December 1, 2011

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 66 °F 60 °F 73 °F (1977)
Min Temperature 55 °F 38 °F 30 °F (1972)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 30 °F    
Average Humidity 31    
Maximum Humidity 41    
Minimum Humidity 23    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 20 mph (North)    
Max Wind Speed 25 mph    
Max Gust Speed 34 mph    
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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Daily Weather History Graph

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Date:

Astronomy

Dec. 01, 2011 Rise Set
Actual Time 7:04 AM PST 4:50 PM PST
Civil Twilight 6:35 AM PST 5:19 PM PST
Nautical Twilight 6:02 AM PST 5:51 PM PST
Astronomical Twilight 5:31 AM PST 6:23 PM PST
Moon 11:57 AM PST (12/1) 11:48 PM PST (12/1)
Length of Visible Light 10h 44m
Length of Day
9h 46m
Waxing Crescent, 44% of the Moon is Illuminated
Dec 1
Waxing Crescent
Dec 2
First Quarter
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 55.4 °F 32.0 °F 41% 30.20 in 30.0 mi North 20.7 mph 28.8 mph N/A   Clear
8:47 AM 57.2 °F 30.2 °F 36% 30.21 in 30.0 mi North 23.0 mph 34.5 mph N/A   Clear
10:50 AM 62.6 °F 30.2 °F 30% 30.18 in 30.0 mi North 23.0 mph 34.5 mph N/A   Clear
12:47 PM 64.4 °F 33.8 °F 32% 30.12 in 30.0 mi North 20.7 mph 34.5 mph N/A   Clear
1:47 PM 66.2 °F 28.4 °F 24% 30.10 in 30.0 mi North 25.3 mph 34.5 mph N/A   Clear
2:47 PM 64.4 °F 32.0 °F 30% 30.07 in 30.0 mi North 25.3 mph 31.1 mph N/A   Clear
3:47 PM 62.6 °F 32.0 °F 32% 30.07 in 30.0 mi North 21.9 mph 29.9 mph N/A   Clear
4:47 PM 60.8 °F 32.0 °F 34% 30.05 in 30.0 mi North 20.7 mph 26.5 mph N/A   Clear
5:47 PM 60.8 °F 32.0 °F 34% 30.05 in 30.0 mi North 23.0 mph - N/A   Clear
6:47 PM 59.0 °F 28.4 °F 31% 30.06 in 20.0 mi Variable 5.8 mph - N/A   Clear
7:47 PM 60.8 °F 26.6 °F 27% 30.07 in 20.0 mi NW 9.2 mph - N/A   Clear
8:47 PM 60.8 °F 23.0 °F 23% 30.07 in 20.0 mi NNW 11.5 mph - N/A   Clear