Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
202
CDUS43 KLOT 210634
CLIPWK

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

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

...THE CHICAGO EXECUTIVE AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1996 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         68  12:47 AM  93    2017  74     -6       79
                                      2018
  MINIMUM         62   7:11 PM  42    2006  55      7       66
  AVERAGE         65                        64      1       73

PRECIPITATION (IN)
  YESTERDAY        1.13R         0.75 2009   0.10   1.03     0.15
  MONTH TO DATE    2.96                      2.03   0.93     1.55
  SINCE SEP 1      2.96                      2.03   0.93     1.55
  SINCE JAN 1     29.52                     24.37   5.15    19.32

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE    6                        33    -27       34
  SINCE SEP 1      6                        33    -27       34
  SINCE JUL 1      6                        40    -34       42

 COOLING
  YESTERDAY        0                         3     -3        8
  MONTH TO DATE  151                        88     63       77
  SINCE SEP 1    151                        88     63       77
  SINCE JAN 1    943                       902     41     1001
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NE (60)
  AVERAGE WIND SPEED     8.9


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           2:00 AM
 LOWEST     80          11:00 PM
 AVERAGE    90

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


THE CHICAGO EXECUTIVE AIRPORT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        93      2017
 MINIMUM TEMPERATURE (F)   54        40      2006


SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE   6:38 AM CDT   SUNSET   6:50 PM CDT
SEPTEMBER 22 2026.....SUNRISE   6:39 AM CDT   SUNSET   6:49 PM CDT


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




$$