Climatological Report (Daily)
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CDUS43 KLOT 190634
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT FRI APR 19 2024

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 18 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         58  11:31 AM  89    2002  60     -2       58
  MINIMUM         47   4:48 AM  23    1875  41      6       33
                                      1983
  AVERAGE         53                        50      3       46

PRECIPITATION (IN)
  YESTERDAY        0.10          3.83 1975   0.14  -0.04     0.00
  MONTH TO DATE    2.04                      2.08  -0.04     1.38
  SINCE MAR 1      5.63                      4.53   1.10     5.18
  SINCE JAN 1      9.78                      8.49   1.29    11.61

SNOWFALL (IN)
  YESTERDAY        0.0           0.6  2011   0.0    0.0      0.0
  MONTH TO DATE    T                         1.0   -1.0      0.4
  SINCE MAR 1      1.0                       6.5   -5.5      2.2
  SINCE JUL 1     22.2                      38.1  -15.9     20.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       12                        15     -3       19
  MONTH TO DATE  227                       319    -92      216
  SINCE MAR 1    869                      1127   -258     1018
  SINCE JUL 1   4557                      5596  -1039     5053

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                         0      3       25
  SINCE MAR 1      3                         2      1       25
  SINCE JAN 1      3                         2      1       25
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     7.3


SKY COVER
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           9:00 PM
 LOWEST     55          11:00 AM
 AVERAGE    73

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        86      1985
 MINIMUM TEMPERATURE (F)   41        22      1983


SUNRISE AND SUNSET
APRIL 19 2024.........SUNRISE   6:04 AM CDT   SUNSET   7:38 PM CDT
APRIL 20 2024.........SUNRISE   6:03 AM CDT   SUNSET   7:39 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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