Climatological Report (Daily)
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000
CDUS43 KLOT 202151
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT SUN APR 20 2014

...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 20 2014...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2014

WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         78   259 PM     87  1985    61     17       47
  MINIMUM         41   430 AM     24  1897    40      1       31
  AVERAGE         60                          51      9       39

PRECIPITATION (IN)
  TODAY           0.00          2.37  2000  0.11  -0.11     0.00
  MONTH TO DATE   1.28                      2.21  -0.93     7.84
  SINCE MAR 1     2.99                      4.71  -1.72     9.84
  SINCE JAN 1     8.29                      8.23   0.06    16.43

SNOWFALL (IN)
  TODAY            0.0           0.2  1943   0.0    0.0      0.0
  MONTH TO DATE    1.4                       1.1    0.3      0.1
  SINCE MAR 1     13.7                       6.7    7.0     10.5
  SINCE JUL 1     82.0                      36.3   45.7     30.1

DEGREE DAYS
 HEATING
  TODAY              5                        15    -10       26
  MONTH TO DATE    355                       364     -9      415
  SINCE MAR 1     1380                      1205    175     1409
  SINCE JUL 1     6795                      5939    856     5811

 COOLING
  TODAY              0                         0      0        0
  MONTH TO DATE      0                         0      0        0
  SINCE MAR 1        0                         1     -1        0
  SINCE JAN 1        0                         1     -1        0
..................................................................
WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     9.9

SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6

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

RELATIVE HUMIDITY (PERCENT)
 HIGHEST    58           600 AM
 LOWEST     25           300 PM
 AVERAGE    42
..........................................................

THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        88      1985
 MINIMUM TEMPERATURE (F)   41        27      1986

SUNRISE AND SUNSET
APRIL 20 2014.........SUNRISE   603 AM CDT   SUNSET   738 PM CDT
APRIL 21 2014.........SUNRISE   602 AM CDT   SUNSET   739 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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