Climatological Report (Daily)
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204
CDUS43 KLOT 210634
CLIARR

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT MON SEP 21 2026

...................................

...THE AURORA MUNICIPAL AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         69   2:57 AM  95    2018  75     -6       80
  MINIMUM         61   9:43 PM  34    2003  50     11       63
  AVERAGE         65                        62      3       72

PRECIPITATION (IN)
  YESTERDAY        2.00R         0.56 2000   0.10   1.90     0.53
  MONTH TO DATE    7.02                      2.00   5.02     0.88
  SINCE SEP 1      7.02                      2.00   5.02     0.88
  SINCE JAN 1     41.98                     25.62  16.36    22.45

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   12                        52    -40       61
  SINCE SEP 1     12                        52    -40       61
  SINCE JUL 1     16                        70    -54       82

 COOLING
  YESTERDAY        0                         2     -2        7
  MONTH TO DATE  143                        65     78       72
  SINCE SEP 1    143                        65     78       72
  SINCE JAN 1    852                       753     99      969
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED    10.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           2:00 AM
 LOWEST     90           7:00 PM
 AVERAGE    95

..........................................................


THE AURORA MUNICIPAL AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        93      2024
 MINIMUM TEMPERATURE (F)   50        36      1999


SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE   6:40 AM CDT   SUNSET   6:53 PM CDT
SEPTEMBER 22 2026.....SUNRISE   6:41 AM CDT   SUNSET   6:51 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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