Climatological Report (Daily)
Issued by NWS

Home |  Current Version |  Previous Version |  Graphics & Text |  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
403
CDUS43 KLOT 242144
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
444 PM CDT TUE SEP 24 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 24 2024...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         67   2:55 PM  93    2017  72     -5       79
  MINIMUM         62   1:25 AM  35    1942  54      8       59
                                      1985
                                      1989
  AVERAGE         65                        63      2       69

PRECIPITATION (IN)
  TODAY            0.36          1.85 1977   0.11   0.25     0.00
  MONTH TO DATE    1.24                      2.59  -1.35     2.86
  SINCE SEP 1      1.24                      2.59  -1.35     2.86
  SINCE JAN 1     28.10                     29.30  -1.20    27.12

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         4     -4        0
  MONTH TO DATE   15                        45    -30       13
  SINCE SEP 1     15                        45    -30       13
  SINCE JUL 1     15                        51    -36       15

 COOLING
  TODAY            0                         2     -2        4
  MONTH TO DATE  167                       106     61      132
  SINCE SEP 1    167                       106     61      132
  SINCE JAN 1   1153                       978    175     1066
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     4.6


SKY COVER
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           1:00 AM
 LOWEST     90           2:00 PM
 AVERAGE    95

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        92      2017
 MINIMUM TEMPERATURE (F)   53        30      1942


SUNRISE AND SUNSET
SEPTEMBER 24 2024.....SUNRISE   6:42 AM CDT   SUNSET   6:44 PM CDT
SEPTEMBER 25 2024.....SUNRISE   6:43 AM CDT   SUNSET   6:43 PM CDT


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




$$