Weather History for CYMA - December, 2012

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 10 °F -  
Max Temperature 21 °F -7 °F 30 °F (2000)
Min Temperature 0 °F -26 °F -58 °F (1996)
Degree Days  
Heating Degree Days 54    
Moisture  
Dew Point 10 °F    
Average Humidity 86    
Maximum Humidity 93    
Minimum Humidity 79    
Precipitation  
Precipitation 0.00 in 0.02 in - ()
Sea Level Pressure  
Sea Level Pressure 29.87 in    
Wind  
Wind Speed 0 mph ()    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 10.4 miles    
Events Fog , Snow    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: Averaged Metar Reports

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Astronomy

Dec. 31, 2012 Rise Set
Actual Time 10:47 AM PST 3:26 PM PST
Civil Twilight 9:34 AM PST 4:39 PM PST
Nautical Twilight 8:28 AM PST 5:45 PM PST
Astronomical Twilight 7:30 AM PST 6:43 PM PST
Moon 8:41 PM PST (12/31) 11:03 AM PST (12/31)
Length of Visible Light 7h 04m
Length of Day
4h 38m
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
1:00 AM 15.8 °F - 12.2 °F 86% 29.67 in 20.0 mi Calm Calm - N/A   Overcast
2:00 AM 15.8 °F - 14.0 °F 93% 29.68 in 20.0 mi Calm Calm - N/A   Overcast
3:00 AM 15.8 °F - 12.2 °F 86% 29.68 in 20.0 mi Calm Calm - N/A   Overcast
4:00 AM 15.8 °F - 14.0 °F 93% 29.68 in 20.0 mi Calm Calm - N/A   Overcast
5:00 AM 17.6 °F - 15.8 °F 93% 29.68 in 15.0 mi Calm Calm - N/A Snow Light Snow
5:42 AM - - - N/A% - 2.0 mi Calm Calm - N/A   Unknown
6:00 AM 19.4 °F - 15.8 °F 86% 29.69 in 2.0 mi Calm Calm - N/A Snow Light Snow
6:31 AM - - - N/A% - 1.0 mi Calm Calm - N/A   Unknown
7:00 AM 19.4 °F - 17.6 °F 93% 29.70 in 1.0 mi Calm Calm - N/A Snow Light Snow
7:36 AM - - - N/A% - 0.5 mi Calm Calm - N/A   Unknown
8:00 AM 21.2 °F - 17.6 °F 86% 29.71 in 1.0 mi Calm Calm - N/A Snow Light Snow
9:00 AM 21.2 °F - 17.6 °F 86% 29.73 in 1.5 mi Calm Calm - N/A Snow Light Snow
10:00 AM 21.2 °F - 17.6 °F 86% 29.79 in 3.0 mi Calm Calm - N/A Snow Light Snow
11:00 AM 21.2 °F - 17.6 °F 86% 29.81 in 20.0 mi Calm Calm - N/A Snow Light Snow
12:00 PM 19.4 °F - 15.8 °F 86% 29.86 in 20.0 mi Calm Calm - N/A   Mostly Cloudy
1:00 PM 17.6 °F - 14.0 °F 86% 29.88 in 20.0 mi Calm Calm - N/A   Mostly Cloudy
2:00 PM 17.6 °F 9.3 °F 12.2 °F 79% 29.92 in 20.0 mi West 5.8 mph - N/A   Mostly Cloudy
3:00 PM 15.8 °F - 10.4 °F 79% 29.95 in 20.0 mi Calm Calm - N/A   Scattered Clouds
4:00 PM 15.8 °F - 10.4 °F 79% 29.98 in 20.0 mi Calm Calm - N/A   Partly Cloudy
5:00 PM 8.6 °F - 3.2 °F 79% 30.00 in 20.0 mi Calm Calm - N/A   Clear
6:00 PM 8.6 °F - 5.0 °F 85% 30.02 in 20.0 mi Calm Calm - N/A   Clear
7:00 PM 5.0 °F - 1.4 °F 85% 30.06 in 20.0 mi Calm Calm - N/A   Clear
8:00 PM 3.2 °F - -0.4 °F 85% 30.08 in 20.0 mi Calm Calm - N/A   Clear
8:47 PM - - - N/A% - 1.0 mi Calm Calm - N/A   Clear
9:00 PM -0.4 °F - -2.2 °F 92% 30.11 in 1.0 mi Calm Calm - N/A   Clear
9:34 PM - - - N/A% - 0.1 mi Calm Calm - N/A Fog Light Freezing Fog
10:00 PM 1.4 °F - -0.4 °F 92% 30.14 in 0.1 mi Calm Calm - N/A Fog Light Freezing Fog
10:47 PM - - - N/A% - 1.0 mi Calm Calm - N/A   Clear
11:00 PM 1.4 °F - -2.2 °F 85% 30.15 in 1.0 mi Calm Calm - N/A   Clear
11:35 PM - - - N/A% - 0.1 mi Calm Calm - N/A Fog Light Freezing Fog