Weather History for Palo Alto, CA

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Monday, January 7, 2013

  Actual Average Record
Temperature  
Mean Temperature 47 °F -  
Max Temperature 57 °F 54 °F 66 °F (2003)
Min Temperature 37 °F 36 °F 27 °F (1973)
Degree Days  
Heating Degree Days 18    
Moisture  
Dew Point 46 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 72    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 4 mph (NNE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 11 miles    
Events Fog    
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. 07, 2013 Rise Set
Actual Time 7:23 AM PST 5:06 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 2:54 AM PST (1/7) 1:21 PM PST (1/7)
Length of Visible Light 10h 41m
Length of Day
9h 43m
Waning Crescent, 21% of the Moon is Illuminated
Jan 7
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
7:47 AM 37.4 °F - 37.4 °F 100% 30.23 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
8:10 AM 41.0 °F 38.0 °F 41.0 °F 100% 30.24 in 0.2 mi Variable 4.6 mph - N/A Fog Fog
8:47 AM 42.8 °F 40.1 °F 42.8 °F 100% 30.23 in 3.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
9:47 AM 44.6 °F 42.2 °F 42.8 °F 93% 30.27 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
11:47 AM 51.8 °F - 46.4 °F 82% 30.22 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
12:47 PM 53.6 °F - 48.2 °F 82% 30.21 in 10.0 mi NE 5.8 mph - N/A   Scattered Clouds
1:47 PM 55.4 °F - 46.4 °F 72% 30.19 in 15.0 mi Variable 5.8 mph - N/A   Scattered Clouds
2:47 PM 57.2 °F - 48.2 °F 72% 30.18 in 15.0 mi North 9.2 mph - N/A   Mostly Cloudy
3:47 PM 57.2 °F - 48.2 °F 72% 30.17 in 15.0 mi North 5.8 mph - N/A   Mostly Cloudy
4:47 PM 53.6 °F - 50.0 °F 88% 30.17 in 15.0 mi North 6.9 mph - N/A   Mostly Cloudy
5:47 PM 50.0 °F - 48.2 °F 94% 30.17 in 15.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
6:07 PM 50.0 °F - 50.0 °F 100% 30.16 in 15.0 mi Calm Calm - N/A   Mostly Cloudy
7:50 PM 48.2 °F - 48.2 °F 100% 30.17 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
8:47 PM 48.2 °F - 46.4 °F 93% 30.18 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy