Weather History for Palo Alto, CA

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Wednesday, May 2, 2012

  Actual Average Record
Temperature  
Mean Temperature 55 °F -  
Max Temperature 66 °F 71 °F 91 °F (2013)
Min Temperature 44 °F 46 °F 37 °F (1982)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 5 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 59    
Maximum Humidity 81    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 18 mph    
Max Gust Speed 28 mph    
Visibility 17 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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Astronomy

May. 02, 2012 Rise Set
Actual Time 6:11 AM PDT 7:59 PM PDT
Civil Twilight 5:43 AM PDT 8:28 PM PDT
Nautical Twilight 5:09 AM PDT 9:02 PM PDT
Astronomical Twilight 4:32 AM PDT 9:38 PM PDT
Moon 4:22 PM PDT (5/2) 3:39 AM PDT (5/2)
Length of Visible Light 14h 44m
Length of Day
13h 48m
Waxing Gibbous, 84% of the Moon is Illuminated
May 2
Waxing Gibbous
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 44.6 °F 39.2 °F 81% 29.95 in 15.0 mi Calm Calm - N/A   Scattered Clouds
7:51 AM 51.8 °F 42.8 °F 71% 29.97 in 15.0 mi Calm Calm - N/A   Partly Cloudy
8:47 AM 55.4 °F 44.6 °F 67% 29.98 in 15.0 mi Variable 5.8 mph - N/A   Partly Cloudy
9:47 AM 55.4 °F 44.6 °F 67% 30.00 in 20.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
10:47 AM 60.8 °F 44.6 °F 55% 29.98 in 20.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
11:47 AM 64.4 °F 42.8 °F 45% 29.98 in 25.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
1:47 PM 66.2 °F 41.0 °F 40% 29.97 in 25.0 mi WNW 17.3 mph 23.0 mph N/A   Mostly Cloudy
2:47 PM 66.2 °F 42.8 °F 43% 29.97 in 30.0 mi NW 18.4 mph 26.5 mph N/A   Mostly Cloudy
3:47 PM 62.6 °F 41.0 °F 45% 29.97 in 30.0 mi NW 17.3 mph 27.6 mph N/A   Mostly Cloudy
4:47 PM 60.8 °F 42.8 °F 52% 29.97 in 30.0 mi WNW 17.3 mph 23.0 mph N/A   Mostly Cloudy
5:47 PM 59.0 °F 42.8 °F 55% 29.96 in 30.0 mi NW 16.1 mph - N/A   Mostly Cloudy
6:47 PM 55.4 °F 42.8 °F 63% 29.97 in 30.0 mi NW 16.1 mph 23.0 mph N/A   Mostly Cloudy
7:47 PM 53.6 °F 42.8 °F 67% 29.97 in 30.0 mi WNW 15.0 mph - N/A   Mostly Cloudy
8:47 PM 51.8 °F 42.8 °F 71% 29.98 in 30.0 mi WNW 13.8 mph - N/A   Mostly Cloudy