Weather History for Palo Alto, CA

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Tuesday, January 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 46 °F -  
Max Temperature 51 °F 55 °F 68 °F (1959)
Min Temperature 41 °F 37 °F 25 °F (1960)
Degree Days  
Heating Degree Days 19    
Moisture  
Dew Point 38 °F    
Average Humidity 72    
Maximum Humidity 87    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.24 in    
Wind  
Wind Speed 6 mph (NE)    
Max Wind Speed 15 mph    
Max Gust Speed 26 mph    
Visibility 17 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. 01, 2013 Rise Set
Actual Time 7:23 AM PST 5:01 PM PST
Civil Twilight 6:54 AM PST 5:30 PM PST
Nautical Twilight 6:21 AM PST 6:03 PM PST
Astronomical Twilight 5:49 AM PST 6:35 PM PST
Moon 9:32 PM PST (1/1) 9:43 AM PST (1/1)
Length of Visible Light 10h 36m
Length of Day
9h 38m
Waning Gibbous, 82% of the Moon is Illuminated
Jan 1
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 41.0 °F - 37.4 °F 87% 30.25 in 20.0 mi Calm Calm - N/A   Mostly Cloudy
7:47 AM 41.0 °F 39.0 °F 37.4 °F 87% 30.24 in 30.0 mi Variable 3.5 mph - N/A   Scattered Clouds
8:47 AM 44.6 °F 39.7 °F 37.4 °F 76% 30.26 in 30.0 mi NE 9.2 mph - N/A   Clear
9:47 AM 46.4 °F 44.3 °F 37.4 °F 71% 30.28 in 20.0 mi Variable 4.6 mph - N/A   Clear
11:47 AM 50.0 °F - 39.2 °F 66% 30.25 in 15.0 mi NE 11.5 mph - N/A   Clear
12:47 PM 51.8 °F - 37.4 °F 58% 30.22 in 15.0 mi Variable 6.9 mph - N/A   Clear
1:47 PM 51.8 °F - 39.2 °F 62% 30.23 in 20.0 mi NE 15.0 mph 26.5 mph N/A   Scattered Clouds
2:47 PM 51.8 °F - 39.2 °F 62% 30.22 in 20.0 mi NE 15.0 mph 24.2 mph N/A   Partly Cloudy
3:47 PM 51.8 °F - 39.2 °F 62% 30.22 in 25.0 mi NE 15.0 mph 23.0 mph N/A   Clear
4:47 PM 50.0 °F - 39.2 °F 66% 30.22 in 30.0 mi ENE 11.5 mph - N/A   Clear
5:47 PM 46.4 °F 43.5 °F 37.4 °F 71% 30.23 in 25.0 mi Variable 5.8 mph - N/A   Clear
6:47 PM 44.6 °F 42.2 °F 37.4 °F 76% 30.23 in 10.0 mi Variable 4.6 mph - N/A   Clear
7:47 PM 41.0 °F 37.1 °F 35.6 °F 81% 30.25 in 15.0 mi West 5.8 mph - N/A   Clear
8:47 PM 41.0 °F 38.0 °F 35.6 °F 81% 30.25 in 15.0 mi SSW 4.6 mph - N/A   Clear