Weather History for KSJC - May, 2014

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Monday, May 19, 2014

  Actual Average Record
Temperature  
Mean Temperature 61 °F 64 °F  
Max Temperature 71 °F 76 °F 92 °F (1978)
Min Temperature 51 °F 53 °F 35 °F (1896)
Degree Days  
Heating Degree Days 4 2  
Month to date heating degree days 43 60  
Since 1 July heating degree days 1890 1964  
Cooling Degree Days 0 2  
Month to date cooling degree days 49 27  
Year to date cooling degree days 77 46  
Growing Degree Days 12 (Base 50)    
Moisture  
Dew Point 46 °F    
Average Humidity 59    
Maximum Humidity 77    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.01 in 0.26 in (1957)
Month to date precipitation T 0.32  
Year to date precipitation 4.78 9.73  
Since 1 July precipitation 6.34 14.74  
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 22 mph    
Max Gust Speed 39 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 19, 2014 Rise Set
Actual Time 5:55 AM PDT 8:13 PM PDT
Civil Twilight 5:26 AM PDT 8:42 PM PDT
Nautical Twilight 4:49 AM PDT 9:19 PM PDT
Astronomical Twilight 4:10 AM PDT 9:59 PM PDT
Moon 12:06 AM PDT (5/19) 10:57 AM PDT (5/19)
Length of Visible Light 15h 16m
Length of Day
14h 17m
Waning Gibbous, 70% of the Moon is Illuminated
May 19
Waning Gibbous
May 21
Last Quarter
May 28
New
Jun 5
First Quarter
Jun 12
Full

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 57.0 °F 44.1 °F 62% 29.98 in 10.0 mi NNW 4.6 mph - N/A   Clear
1:53 AM 55.9 °F 45.0 °F 67% 29.97 in 10.0 mi WNW 6.9 mph - N/A   Clear
2:53 AM 55.9 °F 46.9 °F 72% 29.96 in 10.0 mi NW 6.9 mph - N/A   Clear
3:53 AM 55.9 °F 46.0 °F 69% 29.96 in 10.0 mi NNW 6.9 mph - N/A   Clear
4:53 AM 54.0 °F 46.0 °F 75% 29.95 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 53.1 °F 45.0 °F 74% 29.96 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
7:53 AM 57.0 °F 46.9 °F 69% 29.97 in 10.0 mi ESE 5.8 mph - N/A   Mostly Cloudy
8:53 AM 59.0 °F 46.0 °F 62% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 62.1 °F 45.0 °F 53% 29.99 in 10.0 mi WNW 15.0 mph 19.6 mph N/A   Mostly Cloudy
10:53 AM 62.6 °F 46.4 °F 55% 29.98 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
11:53 AM 66.0 °F 46.0 °F 48% 29.99 in 10.0 mi NW 9.2 mph 18.4 mph N/A   Mostly Cloudy
12:53 PM 69.1 °F 46.0 °F 44% 29.97 in 10.0 mi WNW 12.7 mph 17.3 mph N/A   Mostly Cloudy
1:53 PM 69.1 °F 44.1 °F 40% 29.96 in 10.0 mi WNW 13.8 mph 21.9 mph N/A   Mostly Cloudy
2:53 PM 68.0 °F 46.0 °F 45% 29.95 in 10.0 mi NW 17.3 mph 26.5 mph N/A   Mostly Cloudy
3:18 PM 69.8 °F 46.4 °F 43% 29.95 in 10.0 mi WSW 16.1 mph 21.9 mph N/A   Mostly Cloudy
3:53 PM 70.0 °F 46.0 °F 42% 29.95 in 10.0 mi West 18.4 mph 25.3 mph N/A   Mostly Cloudy
4:53 PM 64.9 °F 46.0 °F 50% 29.95 in 10.0 mi West 13.8 mph 23.0 mph N/A   Mostly Cloudy
5:53 PM 64.9 °F 45.0 °F 48% 29.94 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Scattered Clouds
6:53 PM 62.1 °F 45.0 °F 53% 29.94 in 10.0 mi WSW 13.8 mph - N/A   Scattered Clouds
7:53 PM 61.0 °F 46.0 °F 58% 29.95 in 10.0 mi West 11.5 mph 19.6 mph N/A   Mostly Cloudy
8:53 PM 59.0 °F 46.0 °F 62% 29.96 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
9:15 PM 59.0 °F 46.4 °F 63% 29.96 in 10.0 mi West 12.7 mph - N/A   Mostly Cloudy
9:49 PM 59.0 °F 46.4 °F 63% 29.97 in 10.0 mi NW 9.2 mph - N/A   Overcast
9:53 PM 59.0 °F 46.9 °F 64% 29.97 in 10.0 mi WNW 9.2 mph - N/A   Overcast
10:53 PM 57.2 °F 46.4 °F 67% 29.97 in 10.0 mi WNW 9.2 mph - N/A   Overcast
11:20 PM 57.2 °F 48.2 °F 72% 29.97 in 10.0 mi West 6.9 mph - N/A   Overcast
11:53 PM 57.0 °F 48.0 °F 72% 29.96 in 10.0 mi West 6.9 mph - N/A   Overcast