Weather History for Miramar MCAS, CA

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 48 °F -  
Max Temperature 60 °F 64 °F 75 °F (1997)
Min Temperature 37 °F 43 °F 37 °F (2010)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 35 °F    
Average Humidity 68    
Maximum Humidity 89    
Minimum Humidity 31    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.18 in    
Wind  
Wind Speed 5 mph (ENE)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 6:51 AM PST 4:52 PM PST
Civil Twilight 6:23 AM PST 5:20 PM PST
Nautical Twilight 5:53 AM PST 5:50 PM PST
Astronomical Twilight 5:23 AM PST 6:20 PM PST
Moon 8:15 PM PST (12/31) 8:45 AM PST (12/31)
Length of Visible Light 10h 56m
Length of Day
10h 01m
Waning Gibbous, 89% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (PST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:55 AM 41.0 °F 37.1 °F 37.0 °F 86% 30.08 in 10.0 mi ENE 5.8 mph - N/A   Clear
1:55 AM 41.0 °F 36.4 °F 37.0 °F 86% 30.09 in 10.0 mi ENE 6.9 mph - N/A   Clear
2:55 AM 39.0 °F 35.7 °F 35.1 °F 86% 30.10 in 10.0 mi ENE 4.6 mph - N/A   Clear
3:55 AM 37.9 °F 35.5 °F 35.1 °F 89% 30.11 in 10.0 mi ENE 3.5 mph - N/A   Clear
4:55 AM 37.0 °F 33.3 °F 33.1 °F 86% 30.11 in 10.0 mi East 4.6 mph - N/A   Clear
5:55 AM 37.0 °F 32.4 °F 33.1 °F 86% 30.13 in 10.0 mi ENE 5.8 mph - 0.01 in   Clear
6:55 AM 37.9 °F 33.5 °F 34.0 °F 86% 30.15 in 10.0 mi ENE 5.8 mph - N/A   Clear
7:55 AM 42.1 °F 40.2 °F 37.0 °F 82% 30.18 in 10.0 mi East 3.5 mph - N/A   Clear
8:55 AM 48.9 °F - 37.9 °F 66% 30.20 in 10.0 mi East 4.6 mph - N/A   Clear
9:55 AM 52.0 °F - 36.0 °F 54% 30.23 in 10.0 mi ESE 4.6 mph - N/A   Clear
10:55 AM 55.0 °F - 36.0 °F 49% 30.22 in 10.0 mi Calm Calm - N/A   Clear
11:55 AM 57.0 °F - 33.1 °F 40% 30.19 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:55 PM 60.1 °F - 28.9 °F 31% 30.16 in 10.0 mi Calm Calm - N/A   Partly Cloudy
1:55 PM 59.0 °F - 35.1 °F 41% 30.16 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
2:55 PM 59.0 °F - 33.1 °F 38% 30.16 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
3:55 PM 55.9 °F - 33.1 °F 42% 30.17 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
4:55 PM 52.0 °F - 36.0 °F 54% 30.19 in 10.0 mi WNW 5.8 mph - N/A   Partly Cloudy
5:55 PM 46.0 °F - 36.0 °F 68% 30.21 in 10.0 mi Calm Calm - N/A   Partly Cloudy
6:55 PM 43.0 °F 39.5 °F 36.0 °F 76% 30.22 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
7:55 PM 43.0 °F 38.8 °F 36.0 °F 76% 30.23 in 10.0 mi ENE 6.9 mph - N/A   Partly Cloudy
8:55 PM 43.0 °F 41.3 °F 36.0 °F 76% 30.23 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
9:55 PM 42.1 °F 38.4 °F 36.0 °F 79% 30.24 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
10:55 PM 45.0 °F 40.6 °F 36.0 °F 71% 30.24 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
11:55 PM 44.1 °F 40.1 °F 36.0 °F 73% 30.22 in 10.0 mi East 6.9 mph - N/A   Scattered Clouds