Climatological Report (Daily)
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CDUS43 KLOT 060631
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SUN APR 06 2025

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 5 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         54   3:30 PM  85    1988  55     -1       49
  MINIMUM         39  11:15 PM  18    1979  37      2       36
                                      1995
  AVERAGE         47                        46      1       43

PRECIPITATION (IN)
  YESTERDAY        0.10          2.58 1947   0.11  -0.01     0.00
  MONTH TO DATE    1.41                      0.53   0.88     1.21
  SINCE MAR 1      4.40                      2.98   1.42     4.80
  SINCE JAN 1      6.90                      6.94  -0.04     8.95

SNOWFALL (IN)
  YESTERDAY        0.0           9.4  1982   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.4   -0.4       T
  SINCE MAR 1      2.8                       5.9   -3.1      1.0
  SINCE JUL 1     17.6                      37.5  -19.9     22.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       18                        19     -1       22
  MONTH TO DATE   91                       100     -9      118
  SINCE MAR 1    721                       908   -187      760
  SINCE JUL 1   4856                      5377   -521     4448

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


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (360)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED    10.9


SKY COVER
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           5:00 AM
 LOWEST     52           4:00 PM
 AVERAGE    75

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        84      1929
 MINIMUM TEMPERATURE (F)   37        15      1982


SUNRISE AND SUNSET
APRIL  6 2025.........SUNRISE   6:25 AM CDT   SUNSET   7:23 PM CDT
APRIL  7 2025.........SUNRISE   6:24 AM CDT   SUNSET   7:24 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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