372  
NOUS43 KILX 010307  
PNSILX  
ILZ027>031-036>038-040>057-061>063-066>068-071>073-011515-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE LINCOLN IL  
1007 PM CDT SUN AUG 31 2025  
   
..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 20 OCTOBER 23  
EARLIEST FIRST FREEZE 9/20/1991 9/20/1991  
 
CLIMATOLOGICAL OUTLOOK FOR THE NEW MONTH:  
 
TEMPERATURES --- NO FAVORED TREND -- USE CLIMATOLOGY  
PRECIPITATION -- NO FAVORED TREND -- USE CLIMATOLOGY  
 
# - LAST OF SEVERAL OCCURRENCES  
 

 
 
NMA  
 
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