Palo Alto, CA

11:00 AM PDT on May 22, 2017 (GMT -0700)
Palo Alto Of Santa Clara County

Weather History for KPAO - September, 2013

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Wednesday, September 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 66 °F -  
Max Temperature 80 °F 76 °F 95 °F (1968)
Min Temperature 53 °F 53 °F 42 °F (1954)
Cooling Degree Days 2    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 57    
Maximum Humidity 94    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 6 mph (NNW)    
Max Wind Speed 16 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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Daily Weather History Graph

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Date:

Astronomy

Sep. 18, 2013 Rise Set
Actual Time 6:53 AM PDT 7:11 PM PDT
Civil Twilight 6:27 AM PDT 7:37 PM PDT
Nautical Twilight 5:56 AM PDT 8:07 PM PDT
Astronomical Twilight 5:25 AM PDT 8:38 PM PDT
Moon 6:37 PM PDT (9/18) 6:01 AM PDT (9/18)
Length of Visible Light 13h 10m
Length of Day
12h 17m
Waxing Gibbous, 99% of the Moon is Illuminated
Sep 18
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 53.6 °F - 50.0 °F 88% 29.90 in 30.0 mi Variable 3.5 mph - N/A   Partly Cloudy
7:47 AM 55.4 °F - 53.6 °F 94% 29.91 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:54 AM 64.4 °F - 53.6 °F 68% 29.91 in 10.0 mi Calm Calm - N/A   Clear
9:47 AM 69.8 °F - 53.6 °F 56% 29.91 in 15.0 mi North 5.8 mph - N/A   Clear
10:47 AM 73.4 °F - 51.8 °F 47% 29.91 in 30.0 mi North 9.2 mph - N/A   Clear
11:47 AM 75.2 °F - - N/A% 29.89 in 30.0 mi Variable 6.9 mph - N/A   Clear
12:47 PM 77.0 °F - 57.2 °F 50% 29.88 in 30.0 mi North 9.2 mph - N/A   Clear
1:47 PM 78.8 °F - 55.4 °F 44% 29.87 in 30.0 mi North 9.2 mph - N/A   Clear
2:47 PM 80.6 °F 80.8 °F 57.2 °F 45% 29.83 in 30.0 mi North 11.5 mph - N/A   Clear
3:47 PM 78.8 °F - 57.2 °F 47% 29.83 in 30.0 mi North 13.8 mph - N/A   Clear
4:47 PM 78.8 °F - 55.4 °F 44% 29.82 in 30.0 mi NNW 16.1 mph - N/A   Clear
5:53 PM 78.8 °F - 48.2 °F 34% 29.82 in 30.0 mi NW 11.5 mph - N/A   Clear
6:50 PM 71.6 °F - 50.0 °F 46% 29.83 in 30.0 mi NNW 11.5 mph - N/A   Clear
7:50 PM 64.4 °F - 51.8 °F 64% 29.84 in 30.0 mi NNW 9.2 mph - N/A   Clear
8:47 PM 62.6 °F - 53.6 °F 72% 29.86 in 10.0 mi NNW 9.2 mph - N/A   Clear