Climatological Report (Seasonal)
Issued by NWS
Issued by NWS
000 CXUS53 KILX 011540 CLSDEC CLIMATE REPORT NATIONAL WEATHER SERVICE LINCOLN IL 1040 AM CDT TUE SEP 1 2020 ................................... ...THE DECATUR IL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2020 TO 8/31/2020... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 9999 TO 9999 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE NORMAL ............................................................. TEMPERATURE (F) RECORD HIGH MM MM LOW MM MM HIGHEST 94 08/24 MM MM 95 LOWEST 49 06/15 MM MM 49 AVG. MAXIMUM 85.4 84.5 0.9 84.0 AVG. MINIMUM 63.9 63.1 0.8 64.1 MEAN 74.6 73.8 0.8 74.0 DAYS MAX >= 90 26 17.4 8.6 15 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM MM MM MINIMUM MM MM TOTALS 9.62 11.86 -2.24 12.36 DAILY AVG. 0.11 0.14 DAYS >= .01 25 MM MM 30 DAYS >= .10 15 MM MM 22 DAYS >= .50 5 MM MM 9 DAYS >= 1.00 3 MM MM 4 GREATEST 24 HR. TOTAL 2.24 07/21 1.36 DEGREE_DAYS HEATING TOTAL 1 22 -21 5 SINCE 7/1 1 6 -5 0 COOLING TOTAL 909 832 77 865 SINCE 1/1 989 918 71 978 FREEZE DATES RECORD EARLIEST MM LATEST MM EARLIEST MM LATEST MM .............................................................. WIND (MPH) AVERAGE WIND SPEED 6.9 HIGHEST WIND SPEED/DIRECTION 40/330 DATE 08/10 HIGHEST GUST SPEED/DIRECTION 61/340 DATE 08/10 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.20 NUMBER OF DAYS FAIR 71 NUMBER OF DAYS PC 17 NUMBER OF DAYS CLOUDY 1 AVERAGE RH (PERCENT) 74 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 19 MIXED PRECIP 0 HEAVY RAIN 10 RAIN 13 LIGHT RAIN 30 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 31 FOG W/VIS <= 1/4 MILE 4 HAZE 4 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$ GEELHART