Climatological Report (Daily)
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792
CDUS43 KLOT 202202
CLIMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
502 PM CDT SUN SEP 20 2026

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         69   5:18 AM  95    2018  75     -6       79
  MINIMUM         65   2:59 PM  38    1937  57      8       69
                                      1956
  AVERAGE         67                        66      1       74

PRECIPITATION (IN)
  TODAY            1.43R         1.12 1967   0.09   1.34     0.11
  MONTH TO DATE    4.40                      1.87   2.53     0.37
  SINCE SEP 1      4.40                      1.87   2.53     0.37
  SINCE JAN 1     36.54                     25.90  10.64    25.19

DEGREE DAYS
 HEATING
  TODAY            0                         2     -2        0
  MONTH TO DATE    2                        21    -19       21
  SINCE SEP 1      2                        21    -19       21
  SINCE JUL 1      2                        25    -23       23

 COOLING
  TODAY            2                         4     -2        9
  MONTH TO DATE  203                       110     93      118
  SINCE SEP 1    203                       110     93      118
  SINCE JAN 1   1174                      1066    108     1259
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     9.2


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           1:00 AM
 LOWEST     87           9:00 AM
 AVERAGE    94

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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   75        95      2017
 MINIMUM TEMPERATURE (F)   57        40      1930


SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE   6:36 AM CDT   SUNSET   6:52 PM CDT
SEPTEMBER 21 2026.....SUNRISE   6:37 AM CDT   SUNSET   6:50 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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