CHAMPAIGN, IL LOCAL CLIMATOLOGICAL DATA DECEMBER 1997 Illinois Water Survey SUMMARY =============================================================================== TEMP PRECIP ----SNOW-- WEATHER WIND SKY DEGREE DAYS DATE MX MN INCH T INCH T DEP TYPES D S COV H C ------------------------------------------------------------------------------- 12/01/97 46 31 .00 .0 0 NE 4.8 CLDY 26 0 12/02/97 44 29 .00 .0 0 SE 2.7 CLDY 28 0 12/03/97 41 36 0.03 .0 0 R-,L- W 6.1 CLDY 26 0 12/04/97 36 26 0.05 0.8 0 S,SW- W 6.8 CLDY 34 0 12/05/97 26 20 0.02 0.3 1 SW,SW- W 10.8 CLDY 42 0 12/06/97 27 22 0.01 0.1 1 SW,SW- W 9.4 CLDY 40 0 12/07/97 29 26 T T 1 SW,SW- W 4.6 CLDY 37 0 12/08/97 31 27 0.08 0.9 T S SE 4.3 CLDY 36 0 12/09/97 34 29 0.39 0.3 1 R,R-,L-,S,F NE 3.0 CLDY 33 0 12/10/97 35 33 0.22 T T R-,L-,SW-,F NW 6.9 CLDY 31 0 12/11/97 37 30 T T 0 SW- N 6.2 CLDY 31 0 12/12/97 34 25 .00 .0 0 NW 6.8 CLDY 35 0 12/13/97 34 22 .00 .0 0 W 7.3 CLR 37 0 12/14/97 42 19 .00 .0 0 NE 1.6 CLR 34 0 12/15/97 46 24 .00 .0 0 S 6.7 CLR 30 0 12/16/97 50 27 .00 .0 0 SE 5.6 CLR 26 0 12/17/97 47 26 .00 .0 0 N 3.0 CLR 28 0 12/18/97 52 26 .00 .0 0 NE 6.2 CLR 26 0 12/19/97 56* 31 .00 .0 0 NE 2.8 PC 21 0 12/20/97 38 32 .00 .0 0 N 7.6 CLDY 30 0 12/21/97 37 30 0.07 .0 0 R-,L- E 5.1 CLDY 31 0 12/22/97 37 34 0.45 .0 0 R,R-,L- W 6.1 CLDY 29 0 12/23/97 39 33 T .0 0 L- W 4.3 CLDY 29 0 12/24/97 41 33 0.60* .0 0 R,R-,L- ENE 7.3 CLDY 28 0 12/25/97 33 28 .00 .0 0 NW 9.0 CLDY 34 0 12/26/97 37 28 .00 .0 0 W 8.8 CLDY 32 0 12/27/97 33 21 .00 .0 0 W** 3.8**PC 38 0 12/28/97 35 22 .00 .0 0 S** 8.5**CLDY 36 0 12/29/97 33 25 0.05 0.5 0 S- NW 7.3 CLDY 36 0 12/30/97 25 18 T T 1 SW- WNW 5.4 CLDY 43 0 12/31/97 24 9* T T 1 S- NW 7.1 CLR 48* 0 ------------------------------------------------------------------------------ TOT/AVE 37.4 26.5 1.97 2.9 W** 6.0** 1,015 0 DEP +0.9 +4.5 -1.05 -3.1 S -1.9 -102 +0 =========================NUMBER OF DAYS AND DEPARTURE========================= MAX TEMP MIN TEMP ----------PRECIPITATION------------- >=90 <=32 <=32 <=0 >=T >=.01 >=.10 >=.50 >=1.00 TOTAL 0 6 26 0 16 11 4 1 0 DEP +0 -5 +0 -2 - +0 -2 -1 -1 SNOW SKY COVER ----------WEATHER TYPES---------- >=1.0 CLR PC CLDY F T IP A R L S Z D H BS TOTAL 0 7 2 22 2 0 0 0 6 7 11 0 0 0 0 DEP -2 +0 -5 +5 -4 -1 - +0 -2 +4 +2 -3 - - - SEASONAL SEASONAL JAN- DEC HEAT DD COOL DD PRECITITATION TOTAL 2257 811 36.90 DEP +5 -161 -2.84 WEATHER TYPES:F=Fog;T=Thunder;IP=Ice Pellets;A=Hail;R=Rain;S=Snow;Z=Freezing Precip;D=Dust;H=Haze;BS=Blowing Snow; RW=Rain Showers;SW=Snow Showers; L=Drizzle;T=Trace. Intensities: + heavy; - light; absence of symbol indicates moderate. Degree days:Heat and Cool base 65F,Corn Growing base 50F. Averages based on 1961-1990 data.Snow depth at 7 AM LST. Sky 7 AM - 7 PM LST. Other data mid-mid. Heat DD season Jul-Jun; Cool and Corn season Jan-Dec. REMARKS: No temperature or precipitation records set this month. ** frozen anemometer, wind data combined from Bondville and CMI Peak gust was 28.7 mph, from the west, on the 5th.