Weather History for Westfield, MA

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 28 °F -  
Max Temperature 36 °F 33 °F 48 °F (2004)
Min Temperature 21 °F 18 °F 6 °F (1996)
Degree Days  
Heating Degree Days 36    
Moisture  
Dew Point 16 °F    
Average Humidity 58    
Maximum Humidity 69    
Minimum Humidity 43    
Precipitation  
Precipitation 0.09 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 8 mph (SSW)    
Max Wind Speed 14 mph    
Max Gust Speed 28 mph    
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 7:19 AM EST 4:29 PM EST
Civil Twilight 6:47 AM EST 5:00 PM EST
Nautical Twilight 6:12 AM EST 5:35 PM EST
Astronomical Twilight 5:38 AM EST 6:09 PM EST
Moon 8:00 PM EST (12/31) 8:55 AM EST (12/31)
Length of Visible Light 10h 13m
Length of Day
9h 09m
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
12:53 AM 27.0 °F 15.6 °F 7.0 °F 43% 30.04 in 10.0 mi NNW 13.8 mph 27.6 mph N/A   Clear
1:53 AM 27.0 °F 16.7 °F 8.1 °F 45% 30.06 in 10.0 mi WNW 11.5 mph 18.4 mph N/A   Clear
2:53 AM 25.0 °F 16.3 °F 8.1 °F 49% 30.07 in 10.0 mi NNW 8.1 mph 23.0 mph N/A   Clear
3:53 AM 21.0 °F 14.6 °F 9.0 °F 60% 30.06 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
4:53 AM 23.0 °F 14.7 °F 10.0 °F 58% 30.06 in 10.0 mi South 6.9 mph - N/A   Overcast
5:53 AM 26.1 °F 19.4 °F 15.1 °F 63% 30.07 in 10.0 mi WSW 5.8 mph - N/A   Overcast
6:39 AM 26.6 °F 20.0 °F 17.6 °F 69% 30.04 in 10.0 mi SSW 5.8 mph - N/A   Overcast
6:53 AM 26.1 °F 19.4 °F 17.1 °F 69% 30.07 in 10.0 mi SSW 5.8 mph - N/A   Overcast
7:53 AM 27.0 °F 18.7 °F 16.0 °F 63% 30.09 in 10.0 mi SSW 8.1 mph - N/A   Overcast
8:53 AM 26.1 °F 20.5 °F 16.0 °F 66% 30.08 in 10.0 mi SSE 4.6 mph - N/A   Overcast
9:53 AM 27.0 °F 20.5 °F 17.1 °F 66% 30.09 in 10.0 mi SSE 5.8 mph - N/A   Overcast
10:45 AM 28.4 °F 23.3 °F 17.6 °F 64% 30.05 in 10.0 mi South 4.6 mph - N/A   Overcast
10:53 AM 30.0 °F 24.1 °F 18.0 °F 61% 30.06 in 10.0 mi South 5.8 mph - N/A   Overcast
11:53 AM 33.1 °F 25.5 °F 19.0 °F 56% 30.04 in 10.0 mi WNW 9.2 mph - N/A   Overcast
12:53 PM 34.0 °F 25.5 °F 19.0 °F 54% 30.00 in 10.0 mi West 11.5 mph - 0.02 in   Overcast
1:53 PM 36.0 °F - 19.0 °F 50% 29.96 in 10.0 mi Calm Calm - 0.05 in   Scattered Clouds
2:53 PM 34.0 °F 28.0 °F 18.0 °F 52% 29.95 in 10.0 mi SW 6.9 mph - 0.02 in   Clear
3:53 PM 33.1 °F 26.9 °F 18.0 °F 54% 29.93 in 10.0 mi SW 6.9 mph - N/A   Clear
4:53 PM 32.0 °F 25.6 °F 18.0 °F 56% 29.91 in 10.0 mi SW 6.9 mph - N/A   Clear
5:53 PM 30.9 °F 24.3 °F 19.0 °F 61% 29.90 in 10.0 mi SSW 6.9 mph - N/A   Clear
6:53 PM 30.0 °F 21.7 °F 19.0 °F 64% 29.88 in 10.0 mi SSW 9.2 mph - N/A   Clear
7:53 PM 32.0 °F 24.8 °F 19.0 °F 59% 29.87 in 10.0 mi South 8.1 mph - N/A   Clear
8:53 PM 33.1 °F 26.9 °F 19.0 °F 56% 29.85 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
9:53 PM 34.0 °F 28.8 °F 19.9 °F 56% 29.83 in 10.0 mi South 5.8 mph - N/A   Overcast
10:53 PM 34.0 °F 28.0 °F 19.9 °F 56% 29.81 in 10.0 mi South 6.9 mph - N/A   Overcast
11:53 PM 34.0 °F 29.8 °F 19.9 °F 56% 29.80 in 10.0 mi South 4.6 mph - N/A   Overcast