Weather History for KSJC - December, 2001

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Thursday, December 27, 2001

  Actual Average Record
Temperature  
Mean Temperature 54 °F 51 °F  
Max Temperature 62 °F 60 °F 73 °F (1967)
Min Temperature 46 °F 42 °F 28 °F (1895)
Degree Days  
Heating Degree Days 11 14  
Month to date heating degree days 356  
Since 1 July heating degree days 681  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 730  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 66    
Maximum Humidity 97    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.08 in 1.65 in (2004)
Month to date precipitation 1.80  
Year to date precipitation 14.58  
Since 1 July precipitation 4.69  
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 5 mph (SSE)    
Max Wind Speed 15 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 27, 2001 Rise Set
Actual Time 7:20 AM PST 4:57 PM PST
Civil Twilight 6:51 AM PST 5:26 PM PST
Nautical Twilight 6:18 AM PST 5:59 PM PST
Astronomical Twilight 5:47 AM PST 6:30 PM PST
Moon 2:52 PM PST (12/27) 4:26 AM PST (12/27)
Length of Visible Light 10h 34m
Length of Day
9h 36m
Waxing Gibbous, 92% of the Moon is Illuminated
Dec 27
Waxing Gibbous
Dec 30
Full
Jan 5
Last Quarter
Jan 13
New
Jan 21
First Quarter

Hourly Weather History & Observations

Time (PST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 50.0 °F 46.9 °F 89% 30.03 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
1:53 AM 46.9 °F 45.0 °F 93% 30.02 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 48.0 °F 46.0 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM 46.9 °F 46.0 °F 97% 30.01 in 10.0 mi East 3.5 mph - N/A   Mostly Cloudy
4:53 AM 48.0 °F 46.0 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 48.0 °F 46.0 °F 93% 30.00 in 10.0 mi ENE 3.5 mph - N/A   Overcast
6:53 AM 46.9 °F 45.0 °F 93% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 46.9 °F 45.0 °F 93% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 52.0 °F 43.0 °F 71% 30.01 in 10.0 mi SSE 11.5 mph - N/A   Mostly Cloudy
9:53 AM 54.0 °F 44.1 °F 69% 30.01 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
10:53 AM 55.9 °F 44.1 °F 64% 29.99 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
11:53 AM 61.0 °F 42.1 °F 50% 29.96 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
12:53 PM 62.1 °F 41.0 °F 46% 29.94 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
1:53 PM 61.0 °F 42.1 °F 50% 29.94 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
2:53 PM 60.1 °F 44.1 °F 55% 29.94 in 10.0 mi ESE 6.9 mph - N/A   Overcast
3:53 PM 60.1 °F 45.0 °F 57% 29.96 in 10.0 mi SE 6.9 mph - N/A   Overcast
4:53 PM 61.0 °F 43.0 °F 52% 29.97 in 10.0 mi South 8.1 mph - N/A   Overcast
5:53 PM 62.1 °F 34.0 °F 35% 30.01 in 10.0 mi SSW 9.2 mph - 0.00 in Rain Light Rain
6:53 PM 59.0 °F 37.0 °F 44% 30.01 in 10.0 mi SW 8.1 mph - 0.00 in Rain Light Rain
7:53 PM 55.9 °F 43.0 °F 62% 30.00 in 10.0 mi SSE 5.8 mph - 0.00 in   Overcast
8:53 PM 60.1 °F 36.0 °F 41% 29.97 in 10.0 mi SE 15.0 mph - N/A   Overcast
9:53 PM 59.0 °F 37.9 °F 46% 29.96 in 10.0 mi ESE 13.8 mph - N/A   Overcast
10:53 PM 60.1 °F 39.0 °F 46% 29.98 in 10.0 mi SE 15.0 mph - N/A   Overcast
11:53 PM 57.9 °F 41.0 °F 53% 29.97 in 10.0 mi SE 13.8 mph - N/A   Overcast