Palo Alto, CA

10:14 PM PST on February 26, 2017 (GMT -0800)
Palo Alto Of Santa Clara County

Weather History for KPAO - December, 2012

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 43 °F -  
Max Temperature 53 °F 55 °F 68 °F (1996)
Min Temperature 33 °F 36 °F 26 °F (1978)
Degree Days  
Heating Degree Days 22    
Moisture  
Dew Point 31 °F    
Average Humidity 59    
Maximum Humidity 100    
Minimum Humidity 38    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 5 mph (North)    
Max Wind Speed 9 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

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:22 AM PST 5:00 PM PST
Civil Twilight 6:53 AM PST 5:29 PM PST
Nautical Twilight 6:21 AM PST 6:02 PM PST
Astronomical Twilight 5:49 AM PST 6:34 PM PST
Moon 8:32 PM PST (12/31) 9:11 AM PST (12/31)
Length of Visible Light 10h 36m
Length of Day
9h 37m
Waning Gibbous, 89% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:47 AM 33.8 °F 30.8 °F 33.8 °F 100% 30.24 in 30.0 mi Variable 3.5 mph - N/A   Partly Cloudy
7:47 AM 33.8 °F 30.8 °F 30.2 °F 87% 30.27 in 30.0 mi Variable 3.5 mph - N/A   Scattered Clouds
8:47 AM 41.0 °F 39.0 °F 35.6 °F 81% 30.29 in 30.0 mi Variable 3.5 mph - N/A   Scattered Clouds
9:47 AM 46.4 °F 42.9 °F 32.0 °F 57% 30.30 in 30.0 mi East 6.9 mph - N/A   Scattered Clouds
10:48 AM 48.2 °F - 24.8 °F 40% 30.30 in 30.0 mi Variable 4.6 mph - N/A   Scattered Clouds
11:47 AM 51.8 °F - 26.6 °F 38% 30.29 in 30.0 mi NNW 5.8 mph - N/A   Scattered Clouds
12:47 PM 50.0 °F - 28.4 °F 43% 30.26 in 30.0 mi Variable 6.9 mph - N/A   Scattered Clouds
1:47 PM 51.8 °F - 26.6 °F 38% 30.25 in 30.0 mi Variable 4.6 mph - N/A   Scattered Clouds
2:47 PM 53.6 °F - 28.4 °F 38% 30.25 in 30.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
3:47 PM 53.6 °F - 28.4 °F 38% 30.24 in 30.0 mi NW 9.2 mph - N/A   Mostly Cloudy
4:47 PM 48.2 °F - 33.8 °F 58% 30.24 in 30.0 mi North 4.6 mph - N/A   Mostly Cloudy
5:47 PM 46.4 °F 42.9 °F 39.2 °F 76% 30.26 in 25.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
7:53 PM 46.4 °F 44.3 °F 35.6 °F 66% 30.26 in 25.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
8:47 PM 44.6 °F - 35.6 °F 71% 30.26 in 25.0 mi Calm Calm - N/A   Mostly Cloudy