Champaign, Il Local Climatological Data May 1998 Water Survey Research Center Illinois Water Survey Summary ============================================================================== Temp Precip Sno Snow Weather Ave Wind Sky Degree Days Date MX MN (In) (In Dep Types Dir Speed Cov H C Gr -------------------------------------------------------------------------------- 05/01/98 65 54 0.21 0.0 0 R,RW,R-,L-,F W 4.5 CLDY 5 0 10 05/02/98 70 51 0.09 0.0 0 TRW-,RW- NW 4.8 PC 4 0 11 05/03/98 60 49* 1.91* 0.0 0 RW,R N 8.1 CLDY 10* 0 5 05/04/98 67 53 .00 0.0 0 F NE 3.4 CLDY 5 0 10 05/05/98 76 49* .00 0.0 0 F S 5.2 PC 2 0 13 05/06/98 67 54 0.25 0.0 0 R,R-,L- SE 4.4 CLDY 4 0 11 05/07/98 65 58 0.30 0.0 0 TRW-,R,R-,L- NW 4.6 CLDY 3 0 12 05/08/98 72 57 0.34 0.0 0 R,R-,L- N 9.7 PC 0 0 15 05/09/98 72 54 .00 0.0 0 NE 5.9 PC 2 0 13 05/10/98 73 54 .00 0.0 0 NE 7.8 PC 1 0 14 05/11/98 76 51 .00 0.0 0 N 2.8 CLR 1 0 14 05/12/98 80 52 0.86 0.0 0 TRW+,A,R S 6.2 PC 0 1 16 05/13/98 80 59 .00 0.0 0 F N 4.0 CLR 0 5 20 05/14/98 89 59 .00 0.0 0 S 3.6 CLR 0 9 23 05/15/98 83 64 .00 0.0 0 F NW 7.1 CLR 0 9 24 05/16/98 82 58 .00 0.0 0 N 6.1 CLR 0 5 20 05/17/98 88 55 .00 0.0 0 NW 2.4 CLR 0 7 21 05/18/98 87 57 .00 0.0 0 NW 7.2 CLR 0 7 22 05/19/98 92* 66 1.12 0.0 0 TRW+,A NW 5.9 CLDY 0 14* 26 05/20/98 79 60 0.04 0.0 0 TRW-,RW-,F NE 3.3 PC 0 5 20 05/21/98 77 59 .00 0.0 0 E 2.6 CLDY 0 3 18 05/22/98 66 56 0.69 0.0 0 TRW,RW E 4.5 CLDY 4 0 11 05/23/98 64 55 0.42 0.0 0 TRW,TRW-,RW- E 3.8 CLDY 5 0 10 05/24/98 75 56 1.47 0.0 0 TRW+,A W 5.7 PC 0 1 16 05/25/98 72 54 .00 0.0 0 NE 2.3 CLDY 2 0 13 05/26/98 75 53 .00 0.0 0 SE 2.5 CLR 1 0 14 05/27/98 80 59 .00 0.0 0 S 3.6 CLR 0 5 20 05/28/98 87 65 .00 0.0 0 SW 6.3 PC 0 11 26 05/29/98 87 66 0.12 0.0 0 TRW SW 3.9 PC 0 12 26 05/30/98 88 66 .00 0.0 0 F S 7.6 CLR 0 12 26 05/31/98 88 67 .00 0.0 0 SW 9.8 PC 0 13 27* -------------------------------------------------------------------------------- Tot/Ave 76.8 57.1 7.82 0.0 N 5.1 49 119 527 Dep +3.2 +5.4 +3.85 +0.0 S -1.8 -101 +48 +104 ==========================Number of days and Departure======================== Max Temp Min Temp ---------Precipitation---------- >=90 <=32 <=32 <=0 >=T >=.01 >=.10 >=.50 >=1.00 Total 1 0 0 0 13 13 11 5 3 Dep +0 +0 +0 +0 - +3 +4 +2 +2 Snow Sky Cover >=1.0 CLR PC CLDY Total 0 10 11 10 Dep +0 +0 +0 +0 --------Weather Types--------- Seas.Heat Seas.Cool Seas. Grow F T IP A R L S Z D D DD D D Total 8 9 0 3 13 4 0 0 5145 123 856 Dep +5 +3 - +2 +0 +1 +0 +0 -778 +41 +137 Jan- Apr Precipitation Tot 22.81 Dep +7.80 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 Other data mid-mid. Heat DD Season Jul-Jun. Cool and Corn Growing DD Season Jan-Dec. Remarks: New rec max temp on 19th. 8th highest May total precip. 6th highest ave mon. min temp, tied 10th highest ave mon mean temp. Spring (M,A,M) stats: mean temp 53.2F (+1.7F from the 30 -year average). Total precip 18.78 inches (+7.57 inches, 3rd highest spring total precip).