Weather History for Palo Alto, CA

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Sunday, July 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F -  
Max Temperature 73 °F 77 °F 91 °F (1996)
Min Temperature 60 °F 54 °F 49 °F (1963)
Cooling Degree Days 2    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point -    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.81 in    
Wind  
Wind Speed 10 mph (North)    
Max Wind Speed 14 mph    
Max Gust Speed -    
Visibility 9 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

Jul. 21, 2013 Rise Set
Actual Time 6:04 AM PDT 8:25 PM PDT
Civil Twilight 5:34 AM PDT 8:55 PM PDT
Nautical Twilight 4:57 AM PDT 9:31 PM PDT
Astronomical Twilight 4:17 AM PDT 10:11 PM PDT
Moon 7:29 PM PDT (7/21) 4:55 AM PDT (7/21)
Length of Visible Light 15h 20m
Length of Day
14h 21m
Waxing Gibbous, 99% of the Moon is Illuminated
Jul 21
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
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 60.8 °F - N/A% 29.80 in 7.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
7:50 AM 62.6 °F - N/A% 29.82 in 7.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
8:48 AM 62.6 °F - N/A% 29.83 in 10.0 mi North - - N/A   Mostly Cloudy
10:50 AM 64.4 °F - N/A% 29.83 in 10.0 mi North 6.9 mph - N/A   Scattered Clouds
12:47 PM 71.6 °F - N/A% 29.83 in 10.0 mi North 13.8 mph - N/A   Clear
1:50 PM 71.6 °F - N/A% 29.81 in 30.0 mi North 13.8 mph - N/A   Clear
2:50 PM 73.4 °F - N/A% 29.81 in 30.0 mi North 13.8 mph - N/A   Partly Cloudy
3:50 PM 73.4 °F - N/A% 29.80 in 30.0 mi North 13.8 mph - N/A   Partly Cloudy
4:47 PM 73.4 °F - N/A% 29.79 in 30.0 mi North 13.8 mph - N/A   Partly Cloudy
5:47 PM 71.6 °F - N/A% 29.79 in 30.0 mi NNW 13.8 mph - N/A   Partly Cloudy
6:47 PM 68.0 °F - N/A% 29.80 in 30.0 mi North 13.8 mph - N/A   Partly Cloudy
7:47 PM 64.4 °F - N/A% 29.81 in 30.0 mi North 13.8 mph - N/A   Clear
8:47 PM 62.6 °F - N/A% 29.83 in 30.0 mi North 13.8 mph - N/A   Scattered Clouds