Weather History for Palo Alto, CA

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Saturday, May 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 77 °F 71 °F 87 °F (1957)
Min Temperature 44 °F 47 °F 40 °F (1960)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 46    
Maximum Humidity 87    
Minimum Humidity 26    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 10 mph (NW)    
Max Wind Speed 17 mph    
Max Gust Speed -    
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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Astronomy

May. 05, 2012 Rise Set
Actual Time 6:08 AM PDT 8:02 PM PDT
Civil Twilight 5:39 AM PDT 8:31 PM PDT
Nautical Twilight 5:05 AM PDT 9:05 PM PDT
Astronomical Twilight 4:28 AM PDT 9:42 PM PDT
Moon 8:01 PM PDT (5/5) 5:34 AM PDT (5/5)
Length of Visible Light 14h 51m
Length of Day
13h 54m
Full, 100% of the Moon is Illuminated
May 5
Full
May 5
Full
May 12
Last Quarter
May 20
New
May 28
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 44.6 °F 43.1 °F 41.0 °F 87% 30.20 in 30.0 mi Variable 3.5 mph - N/A   Clear
7:47 AM 55.4 °F - 48.2 °F 77% 30.20 in 30.0 mi Variable 4.6 mph - N/A   Clear
8:47 AM 59.0 °F - 48.2 °F 67% 30.21 in 30.0 mi WNW 9.2 mph - N/A   Clear
9:47 AM 62.6 °F - 48.2 °F 59% 30.21 in 30.0 mi NW 12.7 mph - N/A   Clear
10:47 AM 66.2 °F - 44.6 °F 46% 30.20 in 30.0 mi WNW 12.7 mph - N/A   Clear
11:47 AM 69.8 °F - 42.8 °F 38% 30.18 in 30.0 mi NW 9.2 mph - N/A   Clear
12:47 PM 73.4 °F - 42.8 °F 33% 30.16 in 30.0 mi NNW 11.5 mph - N/A   Clear
1:47 PM 75.2 °F - 42.8 °F 31% 30.14 in 30.0 mi NW 13.8 mph - N/A   Clear
2:47 PM 77.0 °F - 41.0 °F 28% 30.12 in 30.0 mi NW 17.3 mph - N/A   Clear
3:47 PM 77.0 °F - 39.2 °F 26% 30.10 in 30.0 mi NNW 16.1 mph - N/A   Clear
4:47 PM 77.0 °F - 39.2 °F 26% 30.08 in 30.0 mi NW 15.0 mph - N/A   Clear
5:47 PM 75.2 °F - 39.2 °F 27% 30.07 in 30.0 mi NW 16.1 mph - N/A   Clear
6:47 PM 71.6 °F - 39.2 °F 31% 30.06 in 30.0 mi NW 13.8 mph - N/A   Clear
7:47 PM 60.8 °F - 39.2 °F 45% 30.06 in 30.0 mi NNW 9.2 mph - N/A   Clear
8:47 PM 59.0 °F - 50.0 °F 72% 30.06 in 25.0 mi NNW 11.5 mph - N/A   Clear