Weather History for Palo Alto, CA

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Thursday, September 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 68 °F -  
Max Temperature 78 °F 80 °F 96 °F (1971)
Min Temperature 57 °F 54 °F 45 °F (1954)
Cooling Degree Days 2    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 62    
Maximum Humidity 94    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 9 mph (NW)    
Max Wind Speed 21 mph    
Max Gust Speed 23 mph    
Visibility 15 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. 05, 2013 Rise Set
Actual Time 6:42 AM PDT 7:30 PM PDT
Civil Twilight 6:15 AM PDT 7:57 PM PDT
Nautical Twilight 5:44 AM PDT 8:28 PM PDT
Astronomical Twilight 5:12 AM PDT 9:01 PM PDT
Moon 6:58 AM PDT (9/5) 7:27 PM PDT (9/5)
Length of Visible Light 13h 41m
Length of Day
12h 48m
New Moon, 0% of the Moon is Illuminated
Sep 5
New Moon
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
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 57.2 °F 55.4 °F 94% 30.00 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:47 AM 62.6 °F 57.2 °F 82% 30.01 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
8:47 AM 66.2 °F 59.0 °F 78% 30.02 in 15.0 mi SSE 5.8 mph - N/A   Scattered Clouds
9:47 AM 71.6 °F 57.2 °F 60% 30.02 in 15.0 mi NW 9.2 mph - N/A   Partly Cloudy
10:47 AM 69.8 °F 59.0 °F 68% 30.03 in 20.0 mi NE 9.2 mph - N/A   Partly Cloudy
11:47 AM 71.6 °F 60.8 °F 69% 30.03 in 30.0 mi North 15.0 mph - N/A   Clear
12:47 PM 75.2 °F 60.8 °F 61% 30.02 in 30.0 mi North 13.8 mph - N/A   Clear
1:47 PM 78.8 °F 60.8 °F 54% 30.02 in 30.0 mi NW 16.1 mph - N/A   Clear
2:49 PM 78.8 °F 53.6 °F 42% 30.00 in 30.0 mi NNW 17.3 mph 23.0 mph N/A   Clear
3:47 PM 77.0 °F 55.4 °F 47% 29.99 in 30.0 mi NW 18.4 mph - N/A   Clear
4:50 PM 75.2 °F 53.6 °F 47% 29.98 in 30.0 mi NW 20.7 mph - N/A   Clear
5:47 PM 75.2 °F 53.6 °F 47% 29.97 in 30.0 mi WNW 20.7 mph - N/A   Clear
6:47 PM 71.6 °F 55.4 °F 57% 29.97 in 30.0 mi West 9.2 mph - N/A   Clear
7:47 PM 68.0 °F 55.4 °F 64% 29.98 in 30.0 mi WNW 11.5 mph - N/A   Clear
8:47 PM 66.2 °F 53.6 °F 64% 29.99 in 20.0 mi West 10.4 mph - N/A   Clear