CHAMPAIGN, IL LOCAL CLIMATOLOGICAL DATA AUGUST 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 CORN ------------------------------------------------------------------------------ 08/01/97 85 57 0.00 0.0 0 SW 3.2 CLR 0 6 21 08/02/97 88 68 0.00 0.0 0 W 4.8 PC 0 13 27 08/03/97 92 64 0.00T 0.0 0 RW-,F SW 3.4 CLR 0 13 25 08/04/97 85 64 0.16 0.0 0 TRW,R- N 4.8 PC 0 10 25 08/05/97 76 57 0.00 0.0 0 N 6.0 CLR 0 2 17 08/06/97 77 51 0.00 0.0 0 N 2.5 CLR 1 0 14 08/07/97 81 54 0.00 0.0 0 NE 2.1 PC 0 3 18 08/08/97 83 56 0.00 0.0 0 SE 3.6 CLDY 0 5 20 08/09/97 70 66 0.34 0.0 0 R,R-,L-,F SSE 4.9 CLDY 0 3 18 08/10/97 79 66 0.00 0.0 0 F S 3.3 CLDY 0 8 23 08/11/97 82 66 0.10 0.0 0 RW,R-,F S 2.7 CLDY 0 9 24 08/12/97 83 67 0.60 0.0 0 RW+,RW,T,L,F SW 4.2 CLDY 0 10 25 08/13/97 76 63 0.00T 0.0 0 L,F N 3.0 CLDY 0 5 20 08/14/97 81 59 0.00 0.0 0 SSE 4.0 PC 0 5 20 08/15/97 86 68 0.32 0.0 0 TRW+,R,R- SW 9.2 PC 0 12 27 08/16/97 92 66 0.84 0.0 0 TRW+ SW 8.6 CLDY 0 14 26 08/17/97 77 65 2.99 0.0 0 TRW+,R+,R,L- E 3.4 CLDY 0 6 21 08/18/97 73 60 0.00T 0.0 0 L- N 3.8 CLDY 0 2 17 08/19/97 66 59 0.39 0.0 0 R NE 2.6 CLDY 2 0 13 08/20/97 73 60 0.01 0.0 0 L-,F W 4.3 CLDY 0 2 17 08/21/97 73 55 0.05 0.0 0 TRW- NW 4.5 PC 1 0 14 08/22/97 74 55 0.00 0.0 0 N 3.3 CLR 0 0 15 08/23/97 76 51 0.00 0.0 0 SW 3.0 PC 1 0 14 08/24/97 73 61 1.21 0.0 0 TRW+,RW+,A,F SW 4.8 CLDY 0 2 17 08/25/97 78 61 0.00 0.0 0 F NE 2.0 CLDY 0 5 20 08/26/97 84 62 0.00 0.0 0 F SW 3.4 PC 0 8 23 08/27/97 82 68 0.00 0.0 0 F NNW 2.8 PC 0 10 25 08/28/97 85 62 0.00 0.0 0 F W 3.6 PC 0 9 24 08/29/97 79 59 0.00 0.0 0 NE 2.3 CLR 0 4 19 08/30/97 78 59 0.01 0.0 0 RW- SE 3.4 PC 0 4 19 08/31/97 84 64 0.00 0.0 0 NE 2.4 PC 0 9 24 ------------------------------------------------------------------------------ TOT/AVE 79.7 61.1 7.02 0.0 NE 3.9 5 179 632 DEP -3.3 -1.3 +3.00 +0.0 SW -0.8 -2 -59 -47 =========================NUMBER OF DAYS AND DEPARTURE======================== MAX TEMP MIN TEMP ----------PRECIPITATION------------- >=90 <=32 <=32 <=0 >=T >=.01 >=.10 >=.50 >=1.00 TOTAL 2 0 0 0 15 12 9 4 2 DEP -2 +0 +0 +0 - +3 +3 +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 6 12 13 12 6 0 1 11 6 0 0 0 0 0 DEP +0 -4 +0 +4 +6 +0 - +0 +0 +5 +0 +0 - - - SEASONAL SEASONAL SEASONAL JAN- AUG HEAT DD COOL DD CORN GDD PRECITITATION TOTAL 9 685 2541 27.01 DEP +0 -154 -223 -0.57 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: Storm on 15-16, 3.83 inches in 10-hour period, had a return freq. of 1 in 15 years. Hail on 24th was 1/4" to 3/4" in diameter. Ave mon max temp was 5th coolest for Aug (rec 75.2/1915). Precip total was 6th highest for Aug (rec 10.02/1993). Peak gust was 34.6 mph, from the west, on the 15th. Summer Stats (J, J, A): max temp 81.5F (-2.2F), min temp 61.9F (-0.8F), mean temp 71.7F (-1.5F). Precip tot 12.29 inches (-0.28). Number of days with temp 90F or greater was 13 (-4 days).