Climatological Report (Daily)
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CDUS43 KLOT 280632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT SAT APR 28 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 27 2018...

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)
 YESTERDAY
  MAXIMUM         58   1202 AM  87    1986  64     -6       62
  MINIMUM         39   1159 PM  29    1945  43     -4       41
  AVERAGE         49                        53     -4       52

PRECIPITATION (IN)
  YESTERDAY        0.02          2.13 1959   0.12  -0.10     0.14
  MONTH TO DATE    2.72                      3.02  -0.30     3.16
  SINCE MAR 1      4.46                      5.52  -1.06     7.17
  SINCE JAN 1     10.64                      9.04   1.60    11.56

SNOWFALL (IN)
  YESTERDAY        0.0           0.2  1950   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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       16                        12      4       13
  MONTH TO DATE  657                       458    199      282
  SINCE MAR 1   1524                      1299    225     1067
  SINCE JUL 1   5982                      6033    -51     4992

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0       12
  SINCE MAR 1      0                         1     -1       12
  SINCE JAN 1      0                         1     -1       12
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED    13.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85           900 PM
 LOWEST     35          1000 AM
 AVERAGE    60

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        86      1915
 MINIMUM TEMPERATURE (F)   43        28      1992


SUNRISE AND SUNSET
APRIL 28 2018.........SUNRISE   552 AM CDT   SUNSET   747 PM CDT
APRIL 29 2018.........SUNRISE   550 AM CDT   SUNSET   748 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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