Climatological Report (Monthly)
Issued by NWS Chicago, IL

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000
CXUS53 KLOT 011136
CLMLOT

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
628 AM CDT FRI SEP 1 2017

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

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR THE MONTH OF AUGUST
2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1992 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              97   08/13/1995
 LOW               47   08/31/2009
HIGHEST            88   08/16                         91
LOWEST             50   08/25                         54
AVG. MAXIMUM     79.1              82.0    -2.9     83.6
AVG. MINIMUM     59.9              62.7    -2.8     66.7
MEAN             69.5              72.3    -2.8     75.2

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.76   2007
 MINIMUM         0.59   1996
TOTALS           2.83              4.07   -1.24     7.92
DAILY AVG.       0.09              0.13   -0.04     0.26
DAYS >= .01         9               9.9    -0.9       16
DAYS >= .10         5               7.4    -2.4       10
DAYS >= .50         3               3.5    -0.5        4
DAYS >= 1.00        1               1.4    -0.4        2
GREATEST
 24 HR. TOTAL    1.20   08/20 TO 08/20

DEGREE_DAYS
HEATING TOTAL       8                 6       2        0
 SINCE 7/1          8                 8       0        2
COOLING TOTAL     156               233     -77      322
 SINCE 1/1        697               753     -56      944
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
HIGHEST WIND SPEED/DIRECTION    20/290    DATE  08/04
HIGHEST GUST SPEED/DIRECTION    50/230    DATE  08/03

AVERAGE RH (PERCENT)     70


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

$$



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