Palo Alto, CA

3:54 PM PDT on October 18, 2017 (GMT -0700)
Palo Alto Of Santa Clara County

Weather History for KPAO - September, 2013

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Sunday, September 1, 2013

  Actual Average Record
Temperature  
Mean Temperature 70 °F -  
Max Temperature 80 °F 78 °F 107 °F (2017)
Min Temperature 60 °F 53 °F 48 °F (1964)
Cooling Degree Days 5    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 61 °F    
Average Humidity 70    
Maximum Humidity 88    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 8 mph (North)    
Max Wind Speed 21 mph    
Max Gust Speed 23 mph    
Visibility 13 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. 01, 2013 Rise Set
Actual Time 6:39 AM PDT 7:36 PM PDT
Civil Twilight 6:12 AM PDT 8:03 PM PDT
Nautical Twilight 5:40 AM PDT 8:35 PM PDT
Astronomical Twilight 5:07 AM PDT 9:07 PM PDT
Moon 3:08 AM PDT (9/1) 5:15 PM PDT (9/1)
Length of Visible Light 13h 51m
Length of Day
12h 57m
Waning Crescent, 13% of the Moon is Illuminated
Sep 1
Waning Crescent
Sep 5
New
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last 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 60.8 °F - 57.2 °F 88% 29.94 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
7:47 AM 64.4 °F - 59.0 °F 83% 29.95 in 30.0 mi Calm Calm - N/A   Scattered Clouds
8:47 AM 66.2 °F - 60.8 °F 83% 29.96 in 30.0 mi NNE 5.8 mph - N/A   Scattered Clouds
9:56 AM 68.0 °F - 59.0 °F 73% 29.96 in 30.0 mi North 9.2 mph - N/A   Scattered Clouds
10:47 AM 69.8 °F - 60.8 °F 73% 29.96 in 30.0 mi NNE 8.1 mph - N/A   Scattered Clouds
12:47 PM 73.4 °F - 60.8 °F 65% 29.92 in 30.0 mi North 11.5 mph - N/A   Scattered Clouds
1:47 PM 77.0 °F - 62.6 °F 61% 29.92 in 30.0 mi North 12.7 mph - N/A   Scattered Clouds
2:50 PM 77.0 °F - 62.6 °F 61% 29.90 in 30.0 mi North 12.7 mph - N/A   Scattered Clouds
3:47 PM 80.6 °F 81.1 °F 59.0 °F 48% 29.88 in 30.0 mi NNW 12.7 mph 23.0 mph N/A   Scattered Clouds
4:47 PM 73.4 °F - 60.8 °F 65% 29.88 in 30.0 mi NNW 20.7 mph - N/A   Mostly Cloudy
5:47 PM 75.2 °F - 59.0 °F 57% 29.89 in 30.0 mi NNW 13.8 mph - N/A   Mostly Cloudy
6:47 PM 73.4 °F - 60.8 °F 65% 29.90 in 30.0 mi NW 11.5 mph - N/A   Mostly Cloudy
7:47 PM 69.8 °F - 62.6 °F 78% 29.90 in 15.0 mi North 11.5 mph - N/A   Mostly Cloudy
8:47 PM 68.0 °F - 62.6 °F 83% 29.92 in 15.0 mi NNW 10.4 mph - N/A   Mostly Cloudy