Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 011130
CLMMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
614 AM CDT THU JUN 1 2017

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF MAY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             102   05/31/1934
 LOW               28   05/12/1981
HIGHEST            89   05/16        MM      MM       90
LOWEST             38   05/07        MM      MM       38
                        05/03
AVG. MAXIMUM     67.7              70.2    -2.5     71.5
AVG. MINIMUM     50.1              51.6    -1.5     52.5
MEAN             58.9              60.9    -2.0     62.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.89   1990
 MINIMUM         0.25   1992
TOTALS           3.77              4.13   -0.36     5.56

DEGREE_DAYS
HEATING TOTAL     218               188      30      180
 SINCE 7/1       4964              5959    -995     4875
COOLING TOTAL      36                61     -25       94
 SINCE 1/1         55                74     -19      107
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.1
HIGHEST WIND SPEED/DIRECTION    35/200    DATE  05/17
HIGHEST GUST SPEED/DIRECTION    50/170    DATE  05/17

AVERAGE RH (PERCENT)     66


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$


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