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   Averages\Extremes for the month of December 2008
 
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 Average temperature     = 13.7°F
 Average humidity        = 75%
 Average dewpoint        = 7.0°F
 Average barometer       = 29.998 in.
 Average windspeed       = 5.3 mph
 Average gustspeed       = 9.0 mph
 Average direction       = 233° ( SW)
 Rainfall for month      = 0.280 in.
 Rainfall for year       = 17.468 in.
 Maximum rain per minute = 0.012 in on day 14 at time 08:26
 Maximum temperature     = 42.2°F on day 26 at time 22:09
 Minimum temperature     = -14.0°F on day 22 at time 07:56
 Maximum humidity        = 97% on day 27 at time 02:15
 Minimum humidity        = 46% on day 29 at time 13:51
 Maximum pressure        = 30.61 in. on day 16 at time 00:04
 Minimum pressure        = 29.27 in. on day 14 at time 12:22
 Maximum windspeed       = 21.9 mph from 180°( S ) on day 25 at time 20:42
 Maximum gust speed      = 31.1 mph from 180°( S ) on day 25 at time 20:47
 Maximum heat index      = 42.2°F on day 26 at time 22:09
 Frost days= 31
 Ice days= 24
 Very cold days= 25
 Frost number= 25 very cold
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 Daily rain totals
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 00.04 in.  on day 13
 00.13 in.  on day 14
 00.15 in.  on day 26