History for Palo Alto, CA

Tuesday, December 11, 2012 — View Current Conditions
Tuesday, December 11, 2012
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Daily Weekly Monthly Custom
  Actual Average Record
Temperature
Mean Temperature 49 °F -  
Max Temperature 59 °F 58 °F 68 °F (1996)
Min Temperature 39 °F 37 °F 23 °F (1972)
Degree Days
Heating Degree Days 16    
Moisture
Dew Point 47 °F    
Average Humidity 83    
Maximum Humidity 100    
Minimum Humidity 62    
Precipitation
Precipitation 0.00 in - - ()
Sea Level Pressure
Sea Level Pressure 29.96 in    
Wind
Wind Speed 7 mph (NNW)    
Max Wind Speed 15 mph    
Max Gust Speed 22 mph    
Visibility 14 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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Local Photos
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Astronomy
May. 21, 2013 Rise Set
Actual Time 7:13 AM PST 4:50 PM PST
Civil Twilight 6:44 AM PST 5:19 PM PST
Nautical Twilight 6:11 AM PST 5:52 PM PST
Astronomical Twilight 5:39 AM PST 6:24 PM PST
Moon 5:15 AM PST (12/11) 3:33 PM PST (12/11)
Length Of Visible Light 10h 35m
Length of Day
9h 37m
Waning Crescent, 4% of the Moon is Illuminated
Dec 11
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
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Hourly Observations
Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 39.2 °F 35.9 °F 39.2 °F 100% 30.05 in 30.0 mi Variable 4.6 mph - N/A   Clear
7:47 AM 41.0 °F 38.0 °F 41.0 °F 100% 30.05 in 30.0 mi Variable 4.6 mph - N/A   Clear
8:47 AM 51.8 °F - 46.4 °F 82% 30.04 in 30.0 mi Variable 4.6 mph - N/A   Clear
9:47 AM 53.6 °F - 48.2 °F 82% 30.04 in 30.0 mi Variable 4.6 mph - N/A   Clear
10:47 AM 55.4 °F - 46.4 °F 72% 30.02 in 30.0 mi Variable 5.8 mph - N/A   Partly Cloudy
11:47 AM 57.2 °F - 48.2 °F 72% 29.99 in 20.0 mi North 10.4 mph - N/A   Scattered Clouds
12:47 PM 59.0 °F - 53.6 °F 82% 29.96 in 20.0 mi North 10.4 mph - N/A   Scattered Clouds
1:47 PM 59.0 °F - 53.6 °F 82% 29.94 in 20.0 mi North 12.7 mph 19.6 mph N/A   Scattered Clouds
2:47 PM 57.2 °F - 51.8 °F 82% 29.93 in 13.0 mi NNW 15.0 mph 21.9 mph N/A   Mostly Cloudy
3:47 PM 55.4 °F - 50.0 °F 82% 29.92 in 13.0 mi NNW 15.0 mph - N/A   Overcast
4:47 PM 53.6 °F - 48.2 °F 82% 29.92 in 13.0 mi WNW 9.2 mph - N/A   Overcast
5:47 PM 51.8 °F - 48.2 °F 88% 29.90 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:47 PM 51.8 °F - 48.2 °F 88% 29.87 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
6:57 PM 50.0 °F - 37.4 °F 62% 29.87 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
7:47 PM 53.6 °F - 48.2 °F 82% 29.90 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
8:47 PM 50.0 °F - 46.4 °F 87% 29.90 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
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