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
109
CDUS43 KLOT 090635
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT MON SEP 09 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 8 2024...

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)
 YESTERDAY
  MAXIMUM         72   4:46 PM  96    1933  78     -6       68
                                      1959
                                      1960
  MINIMUM         49   6:07 AM  43    1986  60    -11       58
  AVERAGE         61                        69     -8       63

PRECIPITATION (IN)
  YESTERDAY        0.00          1.65 1885   0.11  -0.11     0.01
  MONTH TO DATE    0.04                      0.92  -0.88     0.11
  SINCE SEP 1      0.04                      0.92  -0.88     0.11
  SINCE JAN 1     26.90                     27.63  -0.73    24.37

SNOWFALL (IN)
  YESTERDAY        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      MM

DEGREE DAYS
 HEATING
  YESTERDAY        4                         1      3        2
  MONTH TO DATE   14                         5      9        2
  SINCE SEP 1     14                         5      9        2
  SINCE JUL 1     14                        11      3        4

 COOLING
  YESTERDAY        0                         5     -5        0
  MONTH TO DATE   25                        48    -23       88
  SINCE SEP 1     25                        48    -23       88
  SINCE JAN 1   1011                       920     91     1022
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.0


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77          12:00 AM
 LOWEST     42           2:00 PM
 AVERAGE    60

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        95      1955
                                             1959
                                             1983
 MINIMUM TEMPERATURE (F)   60        43      1986


SUNRISE AND SUNSET
SEPTEMBER  9 2024.....SUNRISE   6:26 AM CDT   SUNSET   7:11 PM CDT
SEPTEMBER 10 2024.....SUNRISE   6:27 AM CDT   SUNSET   7:09 PM CDT


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




$$