Public Information Statement
Issued by NWS Central Illinois
Issued by NWS Central Illinois
101 NOUS43 KILX 312011 PNSILX ILZ027>031-036>038-040>057-061>063-066>068-071>073-010815- Public Information Statement National Weather Service Lincoln IL 311 PM CDT Sat Aug 31 2024 ...A LOOK AHEAD AT SEPTEMBER CLIMATOLOGICAL DATA... Normals are for the period 1991-2020. ...TEMPERATURES... SPRINGFIELD PEORIA Normal high/low 80/56 78/56 Sep 1 normals 84/61 83/62 Sep 30 normals 75/50 73/51 Month record high 102 on 9/01/2011# 104 on 9/05/1899 Month record low 31 on 9/30/1899# 24 on 9/28/1942 Normal occurrences of... Highs 90 or above 4 3 Highs 32 or below 0 0 Lows 32 or below 0 0 Lows 0 or below 0 0 ...PRECIPITATION... Normal liquid equivalent 2.88 3.48 Greatest month total 15.16 in 1926 13.09 in 1961 Least month total Trace in 1979 0.03 in 1979 Greatest 24-hour 5.12 on 9/26/1959 4.11 on 9/13/1961 Normal snowfall 0.0 0.0 Greatest month total Trace in 1942 1.0 in 1942 Least month total 0.0 in many years 0.0 in many years Greatest 24-hour Trace on 9/25-26/1942 1.0 on 9/25/1942 ...DEGREE DAYS (BASE 65)... Normal heating 61 66 Normal cooling 151 137 ...FREEZE DATES... Normal first freeze October 21 October 15 Earliest first freeze 9/20/1991 9/20/1991 CLIMATOLOGICAL OUTLOOK FOR THE NEW MONTH: Temperatures --- No favored trend -- Use Climatology Precipitation -- Below Normal favored # - Last of several occurrences $$ 25