Palo Alto, CA

3:12 AM PDT on June 29, 2017 (GMT -0700)
Palo Alto Of Santa Clara County

Weather History for KPAO - September, 2012

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Wednesday, September 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 65 °F -  
Max Temperature 71 °F 78 °F 103 °F (1979)
Min Temperature 59 °F 52 °F 45 °F (1993)
Growing Degree Days 15 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 78    
Maximum Humidity 94    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.03 in    
Wind  
Wind Speed 7 mph (North)    
Max Wind Speed 14 mph    
Max Gust Speed -    
Visibility 11 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

Sep. 12, 2012 Rise Set
Actual Time 6:48 AM PDT 7:19 PM PDT
Civil Twilight 6:22 AM PDT 7:46 PM PDT
Nautical Twilight 5:51 AM PDT 8:16 PM PDT
Astronomical Twilight 5:19 AM PDT 8:48 PM PDT
Moon 3:14 AM PDT (9/12) 5:08 PM PDT (9/12)
Length of Visible Light 13h 23m
Length of Day
12h 31m
Waning Crescent, 13% of the Moon is Illuminated
Sep 12
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 60.8 °F 57.2 °F 88% 30.02 in 7.0 mi Variable 3.5 mph - N/A   Overcast
7:20 AM 59.0 °F 57.2 °F 94% 30.04 in 7.0 mi Variable 3.5 mph - N/A   Overcast
7:47 AM 59.0 °F 57.2 °F 94% 30.04 in 7.0 mi East 5.8 mph - N/A   Overcast
8:47 AM 60.8 °F 55.4 °F 82% 30.06 in 7.0 mi Variable 4.6 mph - N/A   Overcast
9:47 AM 62.6 °F 57.2 °F 82% 30.07 in 7.0 mi Variable 4.6 mph - N/A   Overcast
10:28 AM 64.4 °F 57.2 °F 77% 30.07 in 7.0 mi North 12.7 mph - N/A   Mostly Cloudy
11:47 AM 66.2 °F 57.2 °F 73% 30.07 in 7.0 mi North 10.4 mph - N/A   Partly Cloudy
12:47 PM 68.0 °F 57.2 °F 68% 30.05 in 8.0 mi North 11.5 mph - N/A   Partly Cloudy
1:47 PM 71.6 °F 57.2 °F 60% 30.04 in 10.0 mi NNW 13.8 mph - N/A   Clear
2:47 PM 71.6 °F 57.2 °F 60% 30.02 in 15.0 mi North 12.7 mph - N/A   Clear
5:47 PM 69.8 °F 59.0 °F 68% 29.99 in 20.0 mi NNW 11.5 mph - N/A   Clear
6:57 PM 66.2 °F 59.0 °F 78% 30.00 in 20.0 mi NNW 8.1 mph - N/A   Clear
7:47 PM 64.4 °F 59.0 °F 83% 30.00 in 20.0 mi NW 8.1 mph - N/A   Clear
8:47 PM 62.6 °F 59.0 °F 88% 30.02 in 25.0 mi NW 6.9 mph - N/A   Clear