Climatological Report (Daily)
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000
CDUS43 KLOT 252139
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT WED APR 25 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 25 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         53   1144 AM  87    1990  63    -10       79
  MINIMUM         43    525 AM  27    1887  42      1       52
  AVERAGE         48                        52     -4       66

PRECIPITATION (IN)
  TODAY            0.00          1.95 1902   0.12  -0.12     0.00
  MONTH TO DATE    2.70                      2.78  -0.08     2.80
  SINCE MAR 1      4.44                      5.28  -0.84     6.81
  SINCE JAN 1     10.62                      8.80   1.82    11.20

SNOWFALL (IN)
  TODAY            0.0           2.5  1910   0.0    0.0      0.0
  MONTH TO DATE    3.2                       1.2    2.0      0.0
  SINCE MAR 1      5.8                       6.8   -1.0      7.8
  SINCE JUL 1     36.1                      36.3   -0.2     26.1

DEGREE DAYS
 HEATING
  TODAY           17                        13      4        0
  MONTH TO DATE  625                       433    192      269
  SINCE MAR 1   1492                      1274    218     1054
  SINCE JUL 1   5950                      6008    -58     4979

 COOLING
  TODAY            0                         0      0        1
  MONTH TO DATE    0                         0      0       10
  SINCE MAR 1      0                         1     -1       10
  SINCE JAN 1      0                         1     -1       10
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    17.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    66          1200 AM
 LOWEST     41          1000 AM
 AVERAGE    54

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        89      1986
 MINIMUM TEMPERATURE (F)   42        27      2006


SUNRISE AND SUNSET
APRIL 25 2018.........SUNRISE   556 AM CDT   SUNSET   744 PM CDT
APRIL 26 2018.........SUNRISE   555 AM CDT   SUNSET   745 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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