Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011211
CLMLOT


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
643 AM CDT FRI MAY 1 2015

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

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1992 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              89   04/18/2002
                        04/26/1994
 LOW               16   04/07/1994
HIGHEST            77   04/17                         79
LOWEST             26   04/04                         24
AVG. MAXIMUM     62.1              60.8     1.3     60.0
AVG. MINIMUM     39.6              39.6     0.0     38.5
MEAN             50.9              50.2     0.7     49.2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.86   2013
 MINIMUM         1.80   2012
TOTALS           3.46              3.96   -0.50     3.81

SNOWFALL (INCHES)
RECORDS
 TOTAL            2.7   2009
TOTALS              T               0.5    -0.5      1.0
SINCE 7/1        36.4              32.3     4.1     76.7

DEGREE_DAYS
HEATING TOTAL     418               449     -31      464
 SINCE 7/1       6564              5994     570     7118
COOLING TOTAL       0                 5      -5        0
 SINCE 1/1          0                 5      -5        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.8
HIGHEST WIND SPEED/DIRECTION    36/MM     DATE   MM
HIGHEST GUST SPEED/DIRECTION    45/MM     DATE   MM

AVERAGE RH (PERCENT)     61


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

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