Palo Alto, CA

2:18 PM PST on January 17, 2018 (GMT -0800)
Palo Alto Of Santa Clara County

Weather History for KPAO - September, 2012

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Sunday, September 23, 2012

  Actual Average Record
Temperature  
Mean Temperature 62 °F -  
Max Temperature 75 °F 77 °F 95 °F (1956)
Min Temperature 50 °F 51 °F 44 °F (1972)
Degree Days  
Heating Degree Days 2    
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 73    
Maximum Humidity 94    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 7 mph (NNW)    
Max Wind Speed 15 mph    
Max Gust Speed -    
Visibility 8 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. 23, 2012 Rise Set
Actual Time 6:57 AM PDT 7:02 PM PDT
Civil Twilight 6:31 AM PDT 7:28 PM PDT
Nautical Twilight 6:01 AM PDT 7:59 PM PDT
Astronomical Twilight 5:30 AM PDT 8:30 PM PDT
Moon 3:02 PM PDT (9/23) 12:22 AM PDT (9/23)
Length of Visible Light 12h 57m
Length of Day
12h 05m
First Quarter, 61% of the Moon is Illuminated
Sep 23
First Quarter
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
6:47 AM 50.0 °F 48.2 °F 94% 29.93 in 7.0 mi Variable 3.5 mph - N/A   Scattered Clouds
7:47 AM 53.6 °F 50.0 °F 88% 29.94 in 7.0 mi Variable 3.5 mph - N/A   Scattered Clouds
8:47 AM 60.8 °F 55.4 °F 82% 29.96 in 7.0 mi Variable 4.6 mph - N/A   Scattered Clouds
9:47 AM 62.6 °F 55.4 °F 77% 29.97 in 7.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
10:47 AM 66.2 °F 57.2 °F 73% 29.95 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
11:47 AM 68.0 °F 57.2 °F 68% 29.95 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
12:47 PM 71.6 °F 59.0 °F 64% 29.94 in 30.0 mi North 10.4 mph - N/A   Mostly Cloudy
1:47 PM 75.2 °F 55.4 °F 50% 29.93 in 30.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
2:47 PM 73.4 °F 57.2 °F 57% 29.93 in 30.0 mi NNW 13.8 mph - N/A   Mostly Cloudy
3:47 PM 73.4 °F 55.4 °F 53% 29.92 in 30.0 mi NNW 15.0 mph - N/A   Mostly Cloudy
4:47 PM 73.4 °F 57.2 °F 57% 29.91 in 30.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
5:47 PM 68.0 °F 59.0 °F 73% 29.92 in 30.0 mi NNW 11.5 mph - N/A   Mostly Cloudy
6:47 PM 62.6 °F 57.2 °F 82% 29.92 in 30.0 mi NNW 15.0 mph - N/A   Mostly Cloudy
7:47 PM 60.8 °F 55.4 °F 82% 29.94 in 25.0 mi NW 8.1 mph - N/A   Mostly Cloudy
8:47 PM 60.8 °F 57.2 °F 88% 29.96 in 25.0 mi NW 10.4 mph - N/A   Mostly Cloudy