These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC - http://www.ncdc.noaa.gov.

Climatological Report (Daily)


000
CDUS43 KLOT 262134
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT MON APR 26 2021

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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 26 2021...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1871 TO 2021


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         78   2:59 PM  89    1986  63     15       63
  MINIMUM         40   4:55 AM  27    2006  42     -2       41
  AVERAGE         59                        53      6       52

PRECIPITATION (IN)
  TODAY            0.00          1.76 1995   0.12  -0.12     0.00
  MONTH TO DATE    0.63                      2.90  -2.27     1.33
  SINCE MAR 1      1.88                      5.40  -3.52     4.81
  SINCE JAN 1      5.08                      8.92  -3.84     8.38

SNOWFALL (IN)
  TODAY            0.0           0.8  1910   0.0    0.0      0.0
  MONTH TO DATE    T                         1.2   -1.2      4.7
  SINCE MAR 1      1.8                       6.8   -5.0      7.9
  SINCE JUL 1     48.8                      36.3   12.5     34.8

DEGREE DAYS
 HEATING
  TODAY            6                        13     -7       13
  MONTH TO DATE  366                       446    -80      449
  SINCE MAR 1   1004                      1287   -283     1129
  SINCE JUL 1   5344                      6021   -677     5515

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   14                         0     14        1
  SINCE MAR 1     14                         1     13        1
  SINCE JAN 1     14                         1     13        1
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    14.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    73           5:00 AM
 LOWEST     25           3:00 PM
 AVERAGE    49

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        87      1986
 MINIMUM TEMPERATURE (F)   43        29      1945


SUNRISE AND SUNSET
APRIL 26 2021.........SUNRISE   5:54 AM CDT   SUNSET   7:45 PM CDT
APRIL 27 2021.........SUNRISE   5:53 AM CDT   SUNSET   7:46 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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