2013 Update: See Inauguration Weather 2013 Update for more recent data.
Jan. 23 Update: Added January daily chart and link to hourly observations for Jan. 20.
January 20 temperatures High: 30 Low: 19 Departure from average: -9 Precipitation: 0 Noon conditions Temperature: 28 Wind: NNW at 13 mph, gusting to 23 mph Sky: Few clouds at 4500 ft, Overcast at 25000 ft.
Complete hourly weather observations from the National Weather Service are here.
Click here for previous Inauguration Weather posts.
Image (click to enlarge):
CapitalClimate chart of January 2009 observed daily temperatures from NWS data, background image © Kevin Ambrose