Weather History for Hyannis, MA

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature -2 °C -  
Max Temperature 2 °C 3 °C 13 °C (1990)
Min Temperature -6 °C -6 °C -21 °C (1962)
Degree Days  
Heating Degree Days 37    
Moisture  
Dew Point -7 °C    
Average Humidity 70    
Maximum Humidity 79    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 mm - - ()
Sea Level Pressure  
Sea Level Pressure 1014 hPa    
Wind  
Wind Speed 18 km/h (West)    
Max Wind Speed 26 km/h    
Max Gust Speed 39 km/h    
Visibility 16 kilometers    
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 7:08 AM EST 4:20 PM EST
Civil Twilight 6:36 AM EST 4:52 PM EST
Nautical Twilight 6:01 AM EST 5:27 PM EST
Astronomical Twilight 5:28 AM EST 6:00 PM EST
Moon 7:51 PM EST (12/31) 8:45 AM EST (12/31)
Length of Visible Light 10h 15m
Length of Day
9h 12m
Waning Gibbous, 90% 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 (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM -5.0 °C -11.6 °C -11.7 °C 60% 1013.7 hPa 16.1 km NW 20.4 km/h / 5.7 m/s 37.0 km/h / 10.3 m/s N/A   Clear
1:56 AM -6.1 °C -12.3 °C -11.7 °C 65% 1015.4 hPa 16.1 km WNW 16.7 km/h / 4.6 m/s 29.6 km/h / 8.2 m/s N/A   Clear
2:56 AM -6.1 °C -12.3 °C -11.7 °C 65% 1016.0 hPa 16.1 km West 16.7 km/h / 4.6 m/s - N/A   Clear
3:56 AM -6.1 °C -12.6 °C -11.1 °C 68% 1016.4 hPa 16.1 km West 18.5 km/h / 5.1 m/s - N/A   Clear
4:56 AM -5.6 °C -10.3 °C -11.1 °C 66% 1016.3 hPa 16.1 km West 11.1 km/h / 3.1 m/s 25.9 km/h / 7.2 m/s N/A   Clear
5:56 AM -5.0 °C -10.1 °C -10.0 °C 68% 1017.0 hPa 16.1 km West 13.0 km/h / 3.6 m/s - N/A   Clear
6:56 AM -4.4 °C -11.1 °C -9.4 °C 69% 1017.1 hPa 16.1 km WSW 22.2 km/h / 6.2 m/s - N/A   Clear
7:56 AM -3.3 °C -9.7 °C -7.8 °C 71% 1016.9 hPa 16.1 km West 22.2 km/h / 6.2 m/s - N/A   Clear
8:56 AM -2.2 °C -8.0 °C -6.7 °C 72% 1017.4 hPa 16.1 km West 20.4 km/h / 5.7 m/s 33.3 km/h / 9.3 m/s N/A   Clear
9:56 AM -1.1 °C -7.4 °C -6.1 °C 69% 1016.9 hPa 16.1 km West 25.9 km/h / 7.2 m/s 31.5 km/h / 8.7 m/s N/A   Clear
10:56 AM -0.6 °C -5.7 °C -5.6 °C 69% 1016.6 hPa 16.1 km West 18.5 km/h / 5.1 m/s 38.9 km/h / 10.8 m/s N/A   Scattered Clouds
11:56 AM -0.6 °C -6.5 °C -5.0 °C 72% 1015.3 hPa 16.1 km West 24.1 km/h / 6.7 m/s 35.2 km/h / 9.8 m/s N/A   Overcast
12:56 PM 0.0 °C -4.7 °C -5.0 °C 69% 1014.4 hPa 16.1 km West 16.7 km/h / 4.6 m/s - N/A   Overcast
1:56 PM 0.0 °C -4.4 °C -5.0 °C 69% 1013.6 hPa 16.1 km West 14.8 km/h / 4.1 m/s 31.5 km/h / 8.7 m/s N/A   Mostly Cloudy
2:56 PM 0.6 °C -3.3 °C -4.4 °C 70% 1013.5 hPa 16.1 km West 13.0 km/h / 3.6 m/s - N/A   Scattered Clouds
3:56 PM 0.0 °C -3.6 °C -5.0 °C 69% 1013.2 hPa 16.1 km West 11.1 km/h / 3.1 m/s - N/A   Clear
4:56 PM -2.2 °C - -5.6 °C 78% 1013.0 hPa 16.1 km Calm Calm - N/A   Clear
6:56 PM -1.1 °C -4.9 °C -4.4 °C 79% 1012.2 hPa 16.1 km WSW 11.1 km/h / 3.1 m/s - N/A   Clear
7:56 PM 0.6 °C -4.2 °C -4.4 °C 70% 1011.2 hPa 16.1 km West 18.5 km/h / 5.1 m/s - N/A   Clear
8:56 PM 0.6 °C -2.4 °C -2.8 °C 78% 1010.1 hPa 16.1 km WSW 9.3 km/h / 2.6 m/s - N/A   Clear
9:56 PM 1.7 °C -3.4 °C -1.7 °C 78% 1009.3 hPa 16.1 km WSW 22.2 km/h / 6.2 m/s - N/A   Scattered Clouds
10:56 PM 1.7 °C -2.9 °C -3.3 °C 70% 1009.0 hPa 16.1 km West 18.5 km/h / 5.1 m/s - N/A   Overcast
11:56 PM 1.7 °C -3.4 °C -3.9 °C 67% 1008.4 hPa 16.1 km West 22.2 km/h / 6.2 m/s - N/A   Overcast