Weather History for KSAN - September, 2013

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Wednesday, September 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 67 °F 70 °F  
Max Temperature 71 °F 76 °F 95 °F (1939)
Min Temperature 63 °F 65 °F 50 °F (1882)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 1  
Cooling Degree Days 2 5  
Month to date cooling degree days 147 113  
Year to date cooling degree days 626 581  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 70    
Maximum Humidity 78    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.01 in 0.41 in (1963)
Month to date precipitation T 0.06  
Year to date precipitation 3.38 7.14  
Since 1 July precipitation 0.05 0.11  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Year to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.80 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 12 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 18, 2013 Rise Set
Actual Time 6:34 AM PDT 6:50 PM PDT
Civil Twilight 6:09 AM PDT 7:14 PM PDT
Nautical Twilight 5:41 AM PDT 7:43 PM PDT
Astronomical Twilight 5:11 AM PDT 8:12 PM PDT
Moon 6:17 PM PDT (9/18) 5:42 AM PDT (9/18)
Length of Visible Light 13h 05m
Length of Day
12h 15m
Waxing Gibbous, 99% of the Moon is Illuminated
Sep 18
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (PDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 64.0 °F 57.0 °F 78% 29.81 in 10.0 mi SSW 8.1 mph - N/A   Overcast
1:51 AM 64.0 °F 57.0 °F 78% 29.80 in 10.0 mi South 10.4 mph - N/A   Overcast
2:51 AM 63.0 °F 55.9 °F 78% 29.79 in 9.0 mi South 8.1 mph - N/A   Overcast
3:51 AM 63.0 °F 55.9 °F 78% 29.78 in 10.0 mi South 9.2 mph - N/A   Overcast
4:51 AM 63.0 °F 55.9 °F 78% 29.78 in 10.0 mi South 5.8 mph - N/A   Overcast
5:08 AM 62.6 °F 55.4 °F 77% 29.78 in 10.0 mi SSE 6.9 mph - N/A   Overcast
5:51 AM 63.0 °F 55.9 °F 78% 29.79 in 10.0 mi South 9.2 mph - N/A   Overcast
6:51 AM 64.0 °F 55.0 °F 73% 29.81 in 10.0 mi SSE 8.1 mph - N/A   Overcast
7:51 AM 64.0 °F 55.0 °F 73% 29.82 in 10.0 mi ESE 4.6 mph - N/A   Overcast
8:51 AM 64.0 °F 55.0 °F 73% 29.83 in 10.0 mi Variable 3.5 mph - N/A   Overcast
9:51 AM 64.9 °F 55.0 °F 70% 29.83 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
10:16 AM 66.2 °F 55.4 °F 68% 29.84 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
10:51 AM 68.0 °F 55.0 °F 63% 29.83 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
11:51 AM 69.1 °F 55.0 °F 61% 29.83 in 10.0 mi South 9.2 mph - N/A   Partly Cloudy
12:51 PM 70.0 °F 55.9 °F 61% 29.82 in 10.0 mi South 11.5 mph - N/A   Partly Cloudy
1:51 PM 71.1 °F 57.0 °F 61% 29.80 in 10.0 mi South 12.7 mph - N/A   Partly Cloudy
2:51 PM 71.1 °F 57.0 °F 61% 29.80 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
3:51 PM 70.0 °F 57.0 °F 63% 29.78 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
4:51 PM 69.1 °F 57.0 °F 65% 29.77 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
5:51 PM 69.1 °F 57.0 °F 65% 29.77 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
6:51 PM 68.0 °F 57.0 °F 68% 29.78 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
7:51 PM 66.9 °F 57.9 °F 73% 29.79 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds
8:51 PM 66.0 °F 57.9 °F 75% 29.81 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
9:51 PM 66.0 °F 57.9 °F 75% 29.81 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:51 PM 66.0 °F 57.9 °F 75% 29.81 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:51 PM 66.0 °F 57.9 °F 75% 29.80 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy