Climatological Report (Monthly)
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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.

$$