Palo Alto, CA

3:47 PM PST on January 22, 2017 (GMT -0800)
Palo Alto Of Santa Clara County

Weather History for KPAO - September, 2012

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Saturday, September 29, 2012

  Actual Average Record
Temperature  
Mean Temperature 64 °F -  
Max Temperature 71 °F 77 °F 93 °F (1956)
Min Temperature 57 °F 52 °F 41 °F (1981)
Degree Days  
Heating Degree Days 1    
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 78    
Maximum Humidity 100    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 8 mph (North)    
Max Wind Speed 14 mph    
Max Gust Speed -    
Visibility 7 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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Daily Weather History Graph

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Date:

Astronomy

Sep. 29, 2012 Rise Set
Actual Time 7:02 AM PDT 6:53 PM PDT
Civil Twilight 6:36 AM PDT 7:19 PM PDT
Nautical Twilight 6:06 AM PDT 7:50 PM PDT
Astronomical Twilight 5:35 AM PDT 8:20 PM PDT
Moon 6:30 PM PDT (9/29) 6:38 AM PDT (9/29)
Length of Visible Light 12h 43m
Length of Day
11h 51m
Full, 100% of the Moon is Illuminated
Sep 29
Full
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New
Oct 21
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
7:47 AM 57.2 °F 55.4 °F 94% 30.02 in 5.0 mi Variable 5.8 mph - N/A   Overcast
9:47 AM 59.0 °F 57.2 °F 94% 30.03 in 5.0 mi Variable 6.9 mph - N/A   Overcast
10:55 AM 57.2 °F 57.2 °F 100% 30.04 in 5.0 mi NNE 6.9 mph - N/A   Scattered Clouds
11:47 AM 62.6 °F 57.2 °F 82% 30.04 in 6.0 mi NNE 6.9 mph - N/A   Clear
12:47 PM 66.2 °F 57.2 °F 73% 30.02 in 6.0 mi NNE 8.1 mph - N/A   Haze
1:50 PM 68.0 °F 59.0 °F 73% 30.00 in 6.0 mi NNE 9.2 mph - N/A   Haze
2:58 PM 71.6 °F 59.0 °F 64% 29.99 in 8.0 mi North 9.2 mph - N/A   Clear
3:47 PM 71.6 °F 59.0 °F 64% 29.97 in 8.0 mi North 9.2 mph - N/A   Clear
4:47 PM 69.8 °F 59.0 °F 68% 29.97 in 15.0 mi NNW 13.8 mph - N/A   Clear
5:47 PM 69.8 °F 55.4 °F 60% 29.97 in 30.0 mi NNW 10.4 mph - N/A   Clear
6:47 PM 64.4 °F 57.2 °F 77% 29.98 in 30.0 mi NW 9.2 mph - N/A   Clear
7:47 PM 60.8 °F 53.6 °F 77% 30.00 in 25.0 mi NNW 6.9 mph - N/A   Partly Cloudy
8:47 PM 59.0 °F 53.6 °F 82% 30.02 in 25.0 mi Variable 6.9 mph - N/A   Clear