Weather History for Palo Alto, CA

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Sunday, January 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 49 °F -  
Max Temperature 66 °F 59 °F 75 °F (1976)
Min Temperature 32 °F 39 °F 24 °F (1963)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point -    
Average Humidity    
Maximum Humidity    
Minimum Humidity    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 2 mph (North)    
Max Wind Speed 6 mph    
Max Gust Speed -    
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

Jan. 20, 2013 Rise Set
Actual Time 7:19 AM PST 5:19 PM PST
Civil Twilight 6:51 AM PST 5:48 PM PST
Nautical Twilight 6:19 AM PST 6:20 PM PST
Astronomical Twilight 5:48 AM PST 6:51 PM PST
Moon 12:24 PM PST (1/20) 1:57 AM PST (1/20)
Length of Visible Light 10h 56m
Length of Day
10h 00m
Waxing Gibbous, 67% of the Moon is Illuminated
Jan 20
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 9
New
Feb 17
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 32.0 °F - N/A% 30.21 in 25.0 mi Calm Calm - N/A   Partly Cloudy
7:47 AM 33.8 °F - N/A% 30.21 in 25.0 mi Calm Calm - N/A   Partly Cloudy
8:47 AM 46.4 °F - N/A% 30.22 in 25.0 mi Calm Calm - N/A   Clear
10:47 AM 51.8 °F - N/A% 30.24 in 30.0 mi Variable 4.6 mph - N/A   Partly Cloudy
11:47 AM 57.2 °F - N/A% 30.20 in 30.0 mi Variable 5.8 mph - N/A   Partly Cloudy
12:47 PM 59.0 °F - N/A% 30.17 in 30.0 mi Variable 5.8 mph - N/A   Partly Cloudy
1:47 PM 64.4 °F - N/A% 30.14 in 30.0 mi Variable 5.8 mph - N/A   Partly Cloudy
2:47 PM 64.4 °F - N/A% 30.13 in 30.0 mi Variable 5.8 mph - N/A   Clear
3:47 PM 66.2 °F - N/A% 30.14 in 30.0 mi Calm Calm - N/A   Clear
4:47 PM 59.0 °F - N/A% 30.14 in 30.0 mi Calm Calm - N/A   Clear
5:47 PM 51.8 °F - N/A% 30.14 in 30.0 mi Calm Calm - N/A   Clear
6:47 PM 50.0 °F - N/A% 30.15 in 30.0 mi Calm Calm - N/A   Clear
7:47 PM 46.4 °F - N/A% 30.16 in 30.0 mi Calm Calm - N/A   Clear
8:47 PM 42.8 °F - N/A% 30.17 in 30.0 mi Calm Calm - N/A   Clear