Weather History for Palo Alto, CA

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Sunday, January 8, 2012

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 69 °F 55 °F 75 °F (1962)
Min Temperature 39 °F 38 °F 27 °F (1955)
Degree Days  
Heating Degree Days 11    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 29 °F    
Average Humidity 38    
Maximum Humidity 70    
Minimum Humidity 17    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 7 mph (NW)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 10 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

Jan. 08, 2012 Rise Set
Actual Time 7:23 AM PST 5:07 PM PST
Civil Twilight 6:54 AM PST 5:35 PM PST
Nautical Twilight 6:22 AM PST 6:08 PM PST
Astronomical Twilight 5:50 AM PST 6:39 PM PST
Moon 4:55 PM PST (1/8) 6:45 AM PST (1/8)
Length of Visible Light 10h 41m
Length of Day
9h 43m
Full, 100% of the Moon is Illuminated
Jan 8
Full
Jan 8
Full
Jan 16
Last Quarter
Jan 22
New
Jan 30
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 50.0 °F - 30.2 °F 47% 30.21 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
7:47 AM 39.2 °F 35.9 °F 30.2 °F 70% 30.21 in 30.0 mi Variable 4.6 mph - N/A   Partly Cloudy
8:47 AM 48.2 °F - 32.0 °F 54% 30.23 in 30.0 mi SSE 5.8 mph - N/A   Partly Cloudy
11:47 AM 66.2 °F - 23.0 °F 19% 30.21 in 30.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
12:47 PM 68.0 °F - 23.0 °F 18% 30.19 in 30.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
1:47 PM 68.0 °F - 28.4 °F 23% 30.18 in 30.0 mi North 9.2 mph - N/A   Mostly Cloudy
2:47 PM 69.8 °F - 23.0 °F 17% 30.18 in 30.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
3:47 PM 69.8 °F - 23.0 °F 17% 30.19 in 30.0 mi NW 8.1 mph - N/A   Mostly Cloudy
4:47 PM 60.8 °F - 30.2 °F 31% 30.19 in 30.0 mi NW 6.9 mph - N/A   Mostly Cloudy
5:47 PM 57.2 °F - 32.0 °F 38% 30.20 in 25.0 mi WNW 6.9 mph - N/A   Scattered Clouds
6:47 PM 50.0 °F - 32.0 °F 50% 30.02 in - Variable 3.5 mph - N/A   Scattered Clouds
7:47 PM 48.2 °F - 32.0 °F 54% 30.20 in 25.0 mi Variable 6.9 mph - N/A   Scattered Clouds
8:47 PM 48.2 °F - 32.0 °F 54% 30.21 in 25.0 mi Variable 6.9 mph - N/A   Clear