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Weather on December, 18, 2009

Maximum temperature (degrees C): -1.1 (30.0 F)
Minimum temperature (degrees C): -8.9 (16.0 F)
Precipitation (mm): 0.0 (0.000 in)
Snowfall (mm): 0.0 (0.000 in)
Snow depth (mm): 0.0 (0.000 in)
Peak gust time (hours and minutes, i.e., HHMM):  0208
Average daily wind speed (meters per second): 2.4 (5.4 mph)
Time of fastest mile or fastest 1-minute wind
(hours and minutes, i.e., HHMM):  0121
Direction of fastest 2-minute wind (degrees): 340.0
Direction of fastest 5-second wind (degrees): 350.0
Fastest 2-minute wind speed (meters per second): 6.3 (14.1 mph)
Fastest 5-second wind speed (meters per second): 7.6 (17.0 mph)
Average Dew Point Temperature for the day (degrees C): -15.6 (3.9 F)
Average Sea Level Pressure for the day (hPa): 1022.7
Average Station Level Pressure for the day (hPa): 1018.3
Average Wet Bulb Temperature for the day (degrees C): -7.2 (19.0 F)
Average relative humidity for the day (percent): 44.0
Minimum relative humidity for the day (percent): 28.0
Maximum relative humidity for the day (percent): 62.0