Weather History for KSJC - August, 2013

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Monday, August 19, 2013

  Actual Average Record
Temperature  
Mean Temperature 76 °F 71 °F  
Max Temperature 86 °F 83 °F 98 °F (1950)
Min Temperature 66 °F 59 °F 43 °F (1893)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 1 0  
Since 1 June heating degree days 13 16  
Since 1 July heating degree days 1 1  
Cooling Degree Days 11 6  
Month to date cooling degree days 67 114  
Year to date cooling degree days 365 483  
Since 1 June cooling degree days 298 413  
Growing Degree Days 27 (Base 50)    
Moisture  
Dew Point 57 °F    
Average Humidity 54    
Maximum Humidity 70    
Minimum Humidity 37    
Precipitation  
Precipitation 0.00 in 0.00 in 0.30 in (1976)
Month to date precipitation T 0.00  
Year to date precipitation 2.24 9.89  
Since 1 July precipitation T T  
Sea Level Pressure  
Sea Level Pressure 29.85 in    
Wind  
Wind Speed 7 mph (WSW)    
Max Wind Speed 17 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 19, 2013 Rise Set
Actual Time 6:27 AM PDT 7:54 PM PDT
Civil Twilight 6:00 AM PDT 8:21 PM PDT
Nautical Twilight 5:27 AM PDT 8:54 PM PDT
Astronomical Twilight 4:52 AM PDT 9:28 PM PDT
Moon 6:49 PM PDT (8/19) 4:53 AM PDT (8/19)
Length of Visible Light 14h 21m
Length of Day
13h 26m
Waxing Gibbous, 98% of the Moon is Illuminated
Aug 19
Waxing Gibbous
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 73.0 °F - 57.9 °F 59% 29.81 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 71.1 °F - 55.9 °F 59% 29.80 in 10.0 mi SW 3.5 mph - N/A   Clear
2:53 AM 71.1 °F - 55.0 °F 57% 29.80 in 10.0 mi East 3.5 mph - N/A   Clear
3:53 AM 69.1 °F - 55.9 °F 63% 29.80 in 10.0 mi SW 3.5 mph - N/A   Clear
4:53 AM 68.0 °F - 55.9 °F 65% 29.82 in 10.0 mi East 4.6 mph - N/A   Clear
5:53 AM 68.0 °F - 54.0 °F 61% 29.83 in 10.0 mi Calm Calm - N/A   Clear
6:53 AM 68.0 °F - 54.0 °F 61% 29.85 in 10.0 mi SE 3.5 mph - N/A   Clear
7:53 AM 68.0 °F - 55.0 °F 63% 29.87 in 10.0 mi SE 8.1 mph - N/A   Clear
8:53 AM 71.1 °F - 55.9 °F 59% 29.88 in 10.0 mi ESE 3.5 mph - N/A   Clear
9:53 AM 75.0 °F - 55.0 °F 50% 29.88 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 81.0 °F 81.1 °F 57.9 °F 45% 29.88 in 10.0 mi WNW 5.8 mph - N/A   Clear
11:53 AM 82.9 °F 83.2 °F 60.1 °F 46% 29.88 in 10.0 mi NW 5.8 mph - N/A   Clear
12:53 PM 84.9 °F 84.8 °F 60.1 °F 43% 29.86 in 10.0 mi NW 8.1 mph - N/A   Clear
1:53 PM 86.0 °F 85.0 °F 57.9 °F 38% 29.84 in 10.0 mi WNW 11.5 mph - N/A   Clear
2:53 PM 84.0 °F 83.5 °F 57.9 °F 41% 29.84 in 10.0 mi WNW 15.0 mph - N/A   Clear
3:53 PM 82.9 °F 82.6 °F 57.9 °F 42% 29.83 in 10.0 mi NW 16.1 mph - N/A   Clear
4:53 PM 80.1 °F 80.6 °F 57.9 °F 47% 29.82 in 10.0 mi West 16.1 mph - N/A   Partly Cloudy
5:53 PM 77.0 °F - 57.9 °F 52% 29.82 in 10.0 mi WNW 12.7 mph - N/A   Partly Cloudy
6:53 PM 73.0 °F - 57.9 °F 59% 29.83 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
7:53 PM 71.1 °F - 59.0 °F 66% 29.84 in 10.0 mi West 10.4 mph - N/A   Clear
8:53 PM 70.0 °F - 57.0 °F 63% 29.87 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:53 PM 69.8 °F - 59.0 °F 68% 29.88 in 10.0 mi SE 3.5 mph - N/A   Clear
10:53 PM 69.8 °F - 55.4 °F 60% 29.90 in 10.0 mi SE 8.1 mph - N/A   Clear
10:58 PM 69.8 °F - 55.4 °F 60% 29.89 in 10.0 mi SSE 6.9 mph - N/A Thunderstorm Thunderstorm
11:24 PM 69.8 °F - 55.4 °F 60% 29.90 in 10.0 mi Calm Calm - N/A   Clear
11:53 PM 69.1 °F - 55.9 °F 63% 29.88 in 10.0 mi Calm Calm - N/A   Clear