Weather History for KSJC - May, 2013

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Wednesday, May 29, 2013

  Actual Average Record
Temperature  
Mean Temperature 63 °F 66 °F  
Max Temperature 70 °F 77 °F 99 °F (1950)
Min Temperature 55 °F 54 °F 36 °F (1895)
Degree Days  
Heating Degree Days 2 1  
Month to date heating degree days 78 79  
Since 1 July heating degree days 2057 1983  
Cooling Degree Days 0 2  
Month to date cooling degree days 39 47  
Year to date cooling degree days 64 66  
Growing Degree Days 13 (Base 50)    
Moisture  
Dew Point 49 °F    
Average Humidity 60    
Maximum Humidity 72    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.01 in 0.17 in (1998)
Month to date precipitation 0.01 0.38  
Year to date precipitation 2.20 9.79  
Since 1 July precipitation 9.39  
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 9 mph (NNW)    
Max Wind Speed 21 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 29, 2013 Rise Set
Actual Time 5:49 AM PDT 8:21 PM PDT
Civil Twilight 5:19 AM PDT 8:51 PM PDT
Nautical Twilight 4:41 AM PDT 9:28 PM PDT
Astronomical Twilight 4:00 AM PDT 10:10 PM PDT
Moon No Moon Rise 10:51 AM PDT (5/29)
Length of Visible Light 15h 31m
Length of Day
14h 31m
Waning Gibbous, 72% of the Moon is Illuminated
May 29
Waning Gibbous
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
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 57.9 °F 46.0 °F 65% 29.98 in 10.0 mi NW 5.8 mph - N/A   Clear
1:53 AM 57.0 °F 48.0 °F 72% 29.98 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
2:53 AM 57.0 °F 48.0 °F 72% 29.96 in 10.0 mi NNE 3.5 mph - N/A   Partly Cloudy
3:53 AM 57.0 °F 48.9 °F 74% 29.98 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
4:53 AM 57.9 °F 48.9 °F 72% 29.96 in 10.0 mi East 3.5 mph - N/A   Overcast
5:53 AM 57.9 °F 48.0 °F 70% 29.96 in 10.0 mi NE 3.5 mph - N/A   Overcast
6:20 AM 59.0 °F 48.2 °F 67% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 59.0 °F 48.0 °F 67% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
7:53 AM 60.1 °F 48.0 °F 64% 29.97 in 10.0 mi SE 4.6 mph - N/A   Overcast
8:53 AM 62.1 °F 48.9 °F 62% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
9:53 AM 63.0 °F 51.1 °F 65% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
10:53 AM 64.0 °F 52.0 °F 65% 29.98 in 10.0 mi NNW 6.9 mph - N/A   Overcast
11:41 AM 66.2 °F 53.6 °F 64% 29.98 in 10.0 mi NW 4.6 mph - N/A   Mostly Cloudy
11:53 AM 64.9 °F 53.1 °F 65% 29.99 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
12:05 PM 66.2 °F 53.6 °F 64% 29.98 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
12:48 PM 66.2 °F 53.6 °F 64% 29.97 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
12:53 PM 68.0 °F 53.1 °F 59% 29.96 in 10.0 mi North 10.4 mph 16.1 mph N/A   Scattered Clouds
1:53 PM 69.1 °F 53.1 °F 57% 29.95 in 10.0 mi NW 16.1 mph - N/A   Partly Cloudy
2:53 PM 69.1 °F 51.1 °F 53% 29.95 in 10.0 mi NW 18.4 mph - N/A   Clear
3:53 PM 69.1 °F 48.9 °F 49% 29.94 in 10.0 mi NW 17.3 mph - N/A   Clear
4:53 PM 68.0 °F 51.1 °F 55% 29.94 in 10.0 mi NW 17.3 mph - N/A   Clear
5:53 PM 66.9 °F 50.0 °F 54% 29.94 in 10.0 mi NW 16.1 mph - N/A   Clear
6:53 PM 66.9 °F 46.0 °F 47% 29.94 in 10.0 mi NW 16.1 mph - N/A   Clear
7:53 PM 64.0 °F 46.9 °F 54% 29.94 in 10.0 mi NW 16.1 mph - N/A   Clear
8:53 PM 61.0 °F 45.0 °F 56% 29.95 in 10.0 mi NW 12.7 mph - N/A   Clear
9:53 PM 59.0 °F 46.0 °F 62% 29.98 in 10.0 mi NW 12.7 mph - N/A   Clear
10:53 PM 57.0 °F 46.0 °F 67% 29.99 in 10.0 mi NNW 11.5 mph - N/A   Clear
11:53 PM 55.9 °F 46.9 °F 72% 29.98 in 10.0 mi North 8.1 mph - N/A   Clear