Climatological Report (Daily)
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214
CDUS43 KLOT 212132
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT SAT APR 21 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 21 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         55    242 PM  88    1985  61     -6       53
  MINIMUM         39    150 AM  27    1986  41     -2       44
  AVERAGE         47                        51     -4       49

PRECIPITATION (IN)
  TODAY            0.00          1.08 1973   0.11  -0.11     0.00
  MONTH TO DATE    2.70                      2.32   0.38     2.80
  SINCE MAR 1      4.44                      4.82  -0.38     6.81
  SINCE JAN 1     10.62                      8.34   2.28    11.20

SNOWFALL (IN)
  TODAY            0.0           0.6  1903   0.0    0.0      0.0
  MONTH TO DATE    3.2                       1.1    2.1      0.0
  SINCE MAR 1      5.8                       6.7   -0.9      7.8
  SINCE JUL 1     36.1                      36.2   -0.1     26.1

DEGREE DAYS
 HEATING
  TODAY           18                        15      3       16
  MONTH TO DATE  575                       379    196      235
  SINCE MAR 1   1442                      1220    222     1020
  SINCE JUL 1   5900                      5954    -54     4945

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        9
  SINCE MAR 1      0                         1     -1        9
  SINCE JAN 1      0                         1     -1        9
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     2.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    48           200 AM
 LOWEST     28           300 PM
 AVERAGE    38

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        91      1980
 MINIMUM TEMPERATURE (F)   41        24      1986


SUNRISE AND SUNSET
APRIL 21 2018.........SUNRISE   602 AM CDT   SUNSET   739 PM CDT
APRIL 22 2018.........SUNRISE   600 AM CDT   SUNSET   741 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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