Climatological Report (Daily)
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CDUS43 KLOT 220650
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT WED MAR 22 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MARCH 21 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         54   1128 AM  87    2012  49      5       49
  MINIMUM         33   1159 PM   9    1888  31      2       28
                                      1885
  AVERAGE         44                        40      4       39

PRECIPITATION (IN)
  YESTERDAY        0.00          1.07 2007   0.09  -0.09     0.00
  MONTH TO DATE    1.01                      1.63  -0.62     1.30
  SINCE MAR 1      1.01                      1.63  -0.62     1.30
  SINCE JAN 1      5.40                      5.15   0.25     3.37

SNOWFALL (IN)
  YESTERDAY        0.0           8.5  1992   0.2   -0.2      0.0
  MONTH TO DATE    7.8                       4.4    3.4      2.6
  SINCE MAR 1      7.8                       4.4    3.4      2.6
  SINCE JUL 1     26.1                      33.9   -7.8     30.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       21                        25     -4       26
  MONTH TO DATE  583                       607    -24      469
  SINCE MAR 1    583                       607    -24      469
  SINCE JUL 1   4508                      5341   -833     4477

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


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    12.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           600 AM
 LOWEST     39           800 AM
 AVERAGE    61

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        83      2012
 MINIMUM TEMPERATURE (F)   31        -1      1888


SUNRISE AND SUNSET
MARCH 22 2017.........SUNRISE   651 AM CDT   SUNSET   706 PM CDT
MARCH 23 2017.........SUNRISE   649 AM CDT   SUNSET   707 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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