


Climatological Report (Monthly)
Issued by NWS
Issued by NWS
928 CXUS53 KLOT 011258 CLMVPZ CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 758 AM CDT WED OCT 01 2025 ................................... ...THE VALPARAISO IN CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 97 09/11/2013 09/10/2013 LOW 36 09/24/2012 HIGHEST 90 09/19 92 09/21 LOWEST 41 09/08 43 09/07 AVG. MAXIMUM 79.7 77.6 2.1 79.6 AVG. MINIMUM 55.2 54.8 0.4 54.7 MEAN 67.4 66.2 1.3 67.1 DAYS MAX >= 90 1 2.3 -1.3 1 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 6.35 2019 MINIMUM 0.50 2004 TOTALS 1.49 2.51 -1.02 MM DAILY AVG. 0.05 0.08 -0.03 0.06 DAYS >= .01 6 10.1 -4.1 6 DAYS >= .10 6 5.0 1.0 MM DAYS >= .50 1 1.3 -0.3 MM DAYS >= 1.00 0 0.4 -0.4 MM GREATEST 24 HR. TOTAL 0.59 09/13 TO 09/13 1.47 DEGREE DAYS HEATING TOTAL 41 75 -34 30 SINCE 7/1 54 84 -30 MM COOLING TOTAL 124 111 13 101 SINCE 1/1 1042 955 87 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 5.0 HIGHEST WIND SPEED/DIRECTION 29/260 DATE 09/21 HIGHEST GUST SPEED/DIRECTION 43/250 DATE 09/21 AVERAGE RH (PERCENT) 68 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 3 MIXED PRECIP 0 HEAVY RAIN 3 RAIN 3 LIGHT RAIN 6 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 11 FOG W/VIS <= 1/4 MILE 0 HAZE 2 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$