Palo Alto, CA

10:18 AM PDT on May 21, 2018 (GMT -0700)
Palo Alto Of Santa Clara County

Weather History for KPAO - September, 2011

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Saturday, September 3, 2011

  Actual Average Record
Temperature  
Mean Temperature 66 °F -  
Max Temperature 73 °F 79 °F 95 °F (1955)
Min Temperature 60 °F 53 °F 45 °F (1964)
Cooling Degree Days 2    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 59 °F    
Average Humidity 79    
Maximum Humidity 94    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 10 mph (North)    
Max Wind Speed 17 mph    
Max Gust Speed -    
Visibility 9 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 03, 2011 Rise Set
Actual Time 6:40 AM PDT 7:34 PM PDT
Civil Twilight 6:13 AM PDT 8:01 PM PDT
Nautical Twilight 5:42 AM PDT 8:32 PM PDT
Astronomical Twilight 5:09 AM PDT 9:05 PM PDT
Moon 1:17 PM PDT (9/3) 11:13 PM PDT (9/3)
Length of Visible Light 13h 47m
Length of Day
12h 54m
Waxing Crescent, 39% of the Moon is Illuminated
Sep 3
Waxing Crescent
Sep 4
First Quarter
Sep 12
Full
Sep 20
Last Quarter
Sep 27
New

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 59.0 °F 94% 29.89 in 6.0 mi North 8.1 mph - N/A   Overcast
7:47 AM 60.8 °F 59.0 °F 94% 29.90 in 6.0 mi NNE 8.1 mph - N/A   Overcast
8:47 AM 60.8 °F 57.2 °F 88% 29.90 in 5.0 mi North 8.1 mph - N/A   Overcast
9:47 AM 60.8 °F 57.2 °F 88% 29.91 in 5.0 mi North 8.1 mph - N/A   Overcast
11:23 AM 64.4 °F 59.0 °F 83% 29.91 in 5.0 mi NNE 9.2 mph - N/A   Scattered Clouds
11:47 AM 64.4 °F 59.0 °F 83% 29.91 in 6.0 mi NNE 11.5 mph - N/A   Partly Cloudy
12:47 PM 66.2 °F 59.0 °F 78% 29.90 in 10.0 mi North 13.8 mph - N/A   Clear
1:47 PM 69.8 °F 59.0 °F 68% 29.89 in 8.0 mi North 12.7 mph - N/A   Clear
2:47 PM 71.6 °F 59.0 °F 64% 29.88 in 10.0 mi NNW 15.0 mph - N/A   Clear
3:47 PM 73.4 °F 59.0 °F 61% 29.86 in 20.0 mi NNW 11.5 mph - N/A   Clear
4:47 PM 71.6 °F 59.0 °F 64% 29.86 in 30.0 mi North 11.5 mph - N/A   Clear
5:47 PM 69.8 °F 59.0 °F 68% 29.86 in 20.0 mi NNW 17.3 mph - N/A   Clear
6:47 PM 66.2 °F 59.0 °F 78% 29.86 in 30.0 mi NNW 15.0 mph - N/A   Clear
7:47 PM 62.6 °F 59.0 °F 88% 29.87 in 10.0 mi NNW 11.5 mph - N/A   Clear