Champaign, IL Local Climatological Data December 1998 Water Survey Research Center Ill State Water Survey Summary =============================================================================== Temp Precip Snow Weather Ave Wind Sky Dg.Days Peak Day MX MN (in) (in) Dep Types Dir Sp Cover H C Gust Dir ------------------------------------------------------------------------------- 1 56 33 .00 .0 0 F S 6.8 CLR 20 0 17.8 S 2 62 39 .00 .0 0 S 9.4 CLR 14 0 18.5 SW 3 67 52 .00 .0 0 SW 9.6 CLDY 5 0 20.5 SW 4 71*60 T .0 0 L- S 8.0 CLDY 0 1* 17.5 S 5 64 55 T .0 0 L- S 9.6 CLDY 5 0 20.5 S 6 69 42 0.30* .0 0 R-,RW,L- S 13.1 CLDY 9 0 34.3 S 7 43 38 .00 .0 0 N 6.9 CLDY 24 0 23.1 N 8 42 28 .00 .0 0 F NW 4.5 PC 30 0 12.4 W 9 47 26 .00 .0 0 W 3.2 CLR 28 0 13.2 W 10 42 26 .00 .0 0 WNW 3.4 PC 31 0 10.2 NW 11 45 21 .00 .0 0 S 2.0 PC 32 0 8.8 S 12 51 24 .00 .0 0 SE 1.5 PC 27 0 7.1 N 13 49 27 .00 .0 0 N 5.0 PC 27 0 15.5 N 14 48 27 .00 .0 0 F N 2.8 CLR 27 0 9.7 N 15 55 26 .00 .0 0 SW 5.5 CLR 24 0 16.8 SW 16 42 30 0.01 T 0 RW-,L-,SW- NW 4.7 CLDY 29 0 15.7 NW 17 39 26 .00 .0 0 NW 5.9 CLR 32 0 18.9 W 18 51 29 0.11 .0 0 R,R-,L- S 16.2 CLDY 25 0 44.0*S 19 42 34 0.06 .0 0 R-,L- N 6.4 CLDY 27 0 21.6 SW 20 38 34 0.03 .0 0 R-,L- NE 3.7 CLDY 29 0 12.8 E 21 38 14 0.21 0.1 0 R-,L-,ZL-,IP-,S- NW 8.3 CLDY 39 0 23.9 NW 22 15 5 .00 .0 T NW 6.4 CLR 55 0 25.8 NW 23 22 8 .00 .0 T W 3.1 PC 50 0 11.2 W 24 28 12 .00 .0 T NW 3.8 CLR 45 0 14.0 W 25 32 11 .00 .0 T SW 9.2 CLR 43 0 24.0 SW 26 34 19 .00 .0 0 W 5.1 PC 38 0 13.8 SW 27 42 27 .00 .0 0 SW 8.8 CLDY 30 0 23.5 SW 28 43 23 .00 .0 0 S 4.8 CLR 32 0 13.8 S 29 37 11 T T 0 L-,ZL-,SG-,S- NW 10.4 CLDY 41 0 26.2 N 30 14 2 0.17 5* T S NW 4.8 CLDY 57 0 16.9 N 31 14 0* .00 0 5* W 4.8 PC 58* 0 14.5 W ------------------------------------------------------------------------------ T/Av 43.3 26.1 0.89 5.1 S 6.4 933 1 Dep +6.8 +4.1-2.13-0.9 S -1.5 -184+1 =====================================Number of Days and Departure============== Max Temp Min Temp ---------Precipitation--------- Snow Sky Cover >=90 <=32 <=32 <=0 >=T >=.01 >=.10 >=.50 >=1.00 >=1.0 CLR PC CLDY Tot 0 6 22 1 10 7 4 0 0 1 10 8 13 Dep +0 -5 -4 -1 - -4 -2 -2 -1 -1 +3 +1 -4 ------Weather Types---- Seasonal Heat Seasonal Cool Jan-Dec F T IP A R L S Z Degree Days Degree Days Precipitation Total 4 0 1 0 6 9 4 2 1824 1218 46.11 Dep -2 -1 - +0 -2 +6 -5 -1 -428 +246 +6.37 Weather Types: F=Fog; T=Thunder; IP= Ice Pellets; A=Hail; R=Rain; S=Snow; Z=Freezing Precip; 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 with a cutoff at 86F. Averages based on 1961-1990 data. Snow depth at 7am LST. Sky Cover 7AM-7PM LST,. Other data mid-mid. Heat DD Season Jul-Jun. Cool and Corn Growing DD Season Jan-Dec. Remarks: Very warm Dec. Several records set. On the 3rd, new rec high min temp was set (old rec 50/1982). On the 4th, new rec max and rec high min temp set (old rec max 64/1916, old rec high min 50/1916). On the 5th, new rec high min temp (old rec 53/1956), and on the 6th, new rec max temp (old rec 66/1980). New record number of consecutive days with max temp of 60F or greater was set from Dec 2-6. The old record was 4, from Dec 14-17, 1948. Mean daily temps ranged from 33 degrees above the daily average to 19 degrees below the daily average.