Weather History for San Jose, CA

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Wednesday, April 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 58 °F 59 °F  
Max Temperature 69 °F 70 °F 92 °F (1999)
Min Temperature 47 °F 49 °F 29 °F (1894)
Degree Days  
Heating Degree Days 7 6  
Month to date heating degree days 98 118  
Since 1 July heating degree days 1956 1836  
Cooling Degree Days 0 1  
Month to date cooling degree days 2 2  
Year to date cooling degree days 3 6  
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 33 °F    
Average Humidity 46    
Maximum Humidity 71    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in 0.04 in 0.56 in (1957)
Month to date precipitation 0.26 0.67  
Year to date precipitation 2.19 9.02  
Since 1 July precipitation 9.38 14.03  
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 11 mph (NW)    
Max Wind Speed 24 mph    
Max Gust Speed 32 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 17, 2013 Rise Set
Actual Time 6:29 AM PDT 7:45 PM PDT
Civil Twilight 6:02 AM PDT 8:12 PM PDT
Nautical Twilight 5:30 AM PDT 8:44 PM PDT
Astronomical Twilight 4:56 AM PDT 9:18 PM PDT
Moon 11:51 AM PDT (4/17) 1:23 AM PDT (4/17)
Length of Visible Light 14h 09m
Length of Day
13h 15m
Waxing Crescent, 43% of the Moon is Illuminated
Apr 17
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 52.0 °F 43.0 °F 71% 30.16 in 10.0 mi NNW 3.5 mph - N/A   Clear
1:53 AM 50.0 °F 39.0 °F 66% 30.17 in 10.0 mi NW 5.8 mph - N/A   Clear
2:53 AM 50.0 °F 35.1 °F 57% 30.17 in 10.0 mi WSW 4.6 mph - N/A   Clear
3:53 AM 48.9 °F 34.0 °F 56% 30.17 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 48.9 °F 30.9 °F 50% 30.17 in 10.0 mi WNW 4.6 mph - N/A   Clear
5:53 AM 52.0 °F 30.0 °F 43% 30.19 in 10.0 mi NNW 5.8 mph - N/A   Clear
6:53 AM 51.8 °F 28.4 °F 41% 30.22 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:53 AM 54.0 °F 32.0 °F 43% 30.24 in 10.0 mi Calm Calm - N/A   Clear
8:53 AM 57.0 °F 30.0 °F 36% 30.25 in 10.0 mi WNW 10.4 mph - N/A   Clear
9:53 AM 62.1 °F 24.1 °F 23% 30.25 in 10.0 mi NW 20.7 mph 25.3 mph N/A   Clear
10:53 AM 64.0 °F 24.1 °F 22% 30.26 in 10.0 mi NNW 15.0 mph 21.9 mph N/A   Clear
11:53 AM 64.9 °F 24.1 °F 21% 30.25 in 10.0 mi NW 16.1 mph 27.6 mph N/A   Clear
12:53 PM 66.9 °F 28.0 °F 23% 30.24 in 10.0 mi West 19.6 mph 25.3 mph N/A   Clear
1:53 PM 68.0 °F 27.0 °F 21% 30.22 in 10.0 mi West 18.4 mph 28.8 mph N/A   Clear
2:53 PM 68.0 °F 26.1 °F 21% 30.21 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Clear
3:53 PM 68.0 °F 27.0 °F 21% 30.19 in 10.0 mi WNW 19.6 mph - N/A   Clear
4:53 PM 66.9 °F 28.0 °F 23% 30.18 in 10.0 mi WNW 18.4 mph 23.0 mph N/A   Clear
5:53 PM 66.9 °F 28.0 °F 23% 30.18 in 10.0 mi WNW 12.7 mph - N/A   Clear
6:53 PM 64.9 °F 30.9 °F 28% 30.18 in 10.0 mi WNW 12.7 mph - N/A   Clear
7:53 PM 61.0 °F 37.9 °F 42% 30.19 in 10.0 mi NNW 11.5 mph - N/A   Clear
8:53 PM 59.0 °F 39.9 °F 49% 30.22 in 10.0 mi NW 13.8 mph - N/A   Clear
9:53 PM 57.0 °F 43.0 °F 59% 30.23 in 10.0 mi NW 8.1 mph - N/A   Clear
10:53 PM 53.1 °F 45.0 °F 74% 30.23 in 10.0 mi WNW 5.8 mph - N/A   Clear
11:53 PM 53.1 °F 45.0 °F 74% 30.23 in 10.0 mi WNW 8.1 mph - N/A   Clear