Back to December, 2009's Index

Weather on December, 19, 2009

Maximum temperature (degrees C): -1.1 (30.0 F)
Minimum temperature (degrees C): -6.1 (21.0 F)
Precipitation (mm): 15.5 (0.610 in)
Snowfall (mm): 231.0 (9.094 in)
Snow depth (mm): 0.0 (0.000 in)
Observed: Blowing or drifting snow
Observed: Rain (may include freezing rain, drizzle, and
freezing drizzle)
Observed: Snow, snow pellets, snow grains, or ice crystals
Peak gust time (hours and minutes, i.e., HHMM):  2319
Average daily wind speed (meters per second): 4.8 (10.7 mph)
Time of fastest mile or fastest 1-minute wind
(hours and minutes, i.e., HHMM):  2320
Direction of fastest 2-minute wind (degrees): 350.0
Direction of fastest 5-second wind (degrees): 350.0
Fastest 2-minute wind speed (meters per second): 9.4 (21.0 mph)
Fastest 5-second wind speed (meters per second): 13.9 (31.1 mph)
Observed: Fog, ice fog, or freezing fog (may include heavy fog)
Observed: Smoke or haze
Observed: Heavy fog or heaving freezing fog (not always
distinquished from fog)
Observed: Ice fog or freezing fog
Average Dew Point Temperature for the day (degrees C): -13.9 (7.0 F)
Average Sea Level Pressure for the day (hPa): 1007.8
Average Station Level Pressure for the day (hPa): 1004.1
Average Wet Bulb Temperature for the day (degrees C): -6.1 (21.0 F)
Average relative humidity for the day (percent): 52.0
Minimum relative humidity for the day (percent): 22.0
Maximum relative humidity for the day (percent): 92.0