Weather History for Palo Alto, CA

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Monday, January 10, 2011

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 51 °F 56 °F 71 °F (1962)
Min Temperature 33 °F 38 °F 28 °F (1957)
Degree Days  
Heating Degree Days 23    
Moisture  
Dew Point 31 °F    
Average Humidity 58    
Maximum Humidity 87    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 8 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. 10, 2011 Rise Set
Actual Time 7:23 AM PST 5:09 PM PST
Civil Twilight 6:54 AM PST 5:37 PM PST
Nautical Twilight 6:21 AM PST 6:10 PM PST
Astronomical Twilight 5:50 AM PST 6:41 PM PST
Moon 10:29 AM PST (1/10) 11:31 PM PST (1/10)
Length of Visible Light 10h 43m
Length of Day
9h 46m
Waxing Crescent, 35% of the Moon is Illuminated
Jan 10
Waxing Crescent
Jan 12
First Quarter
Jan 19
Full
Jan 26
Last Quarter
Feb 2
New

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:52 AM 41.0 °F 38.0 °F 30.2 °F 65% 30.21 in 25.0 mi Variable 4.6 mph - N/A   Partly Cloudy
7:47 AM 33.8 °F 28.6 °F 30.2 °F 87% 30.22 in 30.0 mi Variable 5.8 mph - N/A   Partly Cloudy
8:47 AM 41.0 °F 38.0 °F 35.6 °F 81% 30.23 in 30.0 mi Variable 4.6 mph - N/A   Scattered Clouds
9:47 AM 44.6 °F 41.4 °F 33.8 °F 66% 30.23 in 30.0 mi Variable 5.8 mph - N/A   Scattered Clouds
10:47 AM 48.2 °F - 33.8 °F 58% 30.22 in 30.0 mi North 8.1 mph - N/A   Scattered Clouds
11:47 AM 48.2 °F - 30.2 °F 50% 30.19 in 30.0 mi North 6.9 mph - N/A   Scattered Clouds
12:47 PM 50.0 °F - 30.2 °F 47% 30.18 in 30.0 mi NNW 5.8 mph - N/A   Scattered Clouds
1:47 PM 50.0 °F - 30.2 °F 47% 30.17 in 30.0 mi NW 5.8 mph - N/A   Mostly Cloudy
2:47 PM 51.8 °F - 28.4 °F 41% 30.17 in 30.0 mi North 5.8 mph - N/A   Mostly Cloudy
3:47 PM 50.0 °F - 28.4 °F 43% 30.17 in 30.0 mi Variable 4.6 mph - N/A   Overcast
4:47 PM 48.2 °F - 28.4 °F 46% 30.17 in 25.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
5:47 PM 48.2 °F - 23.0 °F 37% 30.16 in 25.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
6:47 PM 46.4 °F 42.9 °F 28.4 °F 50% 30.16 in 25.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
7:47 PM 44.6 °F 41.4 °F 35.6 °F 71% 30.17 in 10.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
8:47 PM 44.6 °F 42.2 °F 37.4 °F 76% 30.17 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy