Climatological Report (Monthly)
Issued by NWS

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CXUS53 KLOT 011341
CLMMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
828 AM CDT MON JUN 1 2015

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF MAY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2015

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            87   05/07        MM      MM       93
LOWEST             40   05/01        MM      MM       41
AVG. MAXIMUM     72.6              70.2     2.4     72.5
AVG. MINIMUM     54.4              51.6     2.8     53.4
MEAN             63.5              60.9     2.6     63.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.89   1990
 MINIMUM         0.25   1992
TOTALS           4.13              4.13    0.00     4.46

DEGREE_DAYS
HEATING TOTAL     145               188     -43      161
 SINCE 7/1       6063              5959     104     6807
COOLING TOTAL     106                61      45      106
 SINCE 1/1        106                74      32      111
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.2
HIGHEST WIND SPEED/DIRECTION    31/240    DATE  05/26
HIGHEST GUST SPEED/DIRECTION    46/220    DATE  05/25

AVERAGE RH (PERCENT)     64


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

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