Climatological Report (Monthly)
Issued by NWS

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028
CXUS53 KLOT 011457
CLMMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
949 AM CDT SAT OCT 1 2016

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             102   09/15/1939
 LOW               29   09/28/1942
HIGHEST            94   09/07        MM      MM       94
LOWEST             52   09/28        MM      MM       50
AVG. MAXIMUM     79.4              75.3     4.1     79.9
AVG. MINIMUM     64.6              57.5     7.1     63.4
MEAN             72.0              66.4     5.6     71.7

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        14.17   1961
 MINIMUM         0.01   1979
TOTALS           0.83              3.31   -2.48     5.07

DEGREE_DAYS
HEATING TOTAL      11                77     -66       20
 SINCE 7/1         11                82     -71       26
COOLING TOTAL     229               119     110      228
 SINCE 1/1       1421              1029     392     1141
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    26/050    DATE  09/29
HIGHEST GUST SPEED/DIRECTION    41/260    DATE  09/26

AVERAGE RH (PERCENT)     65


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

$$



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