Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011626
CLMLOT


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1024 AM CST FRI DEC 1 2017

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

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 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              75   11/01/2016
                        11/08/1999
                        09/01/1953
 LOW                6   11/22/2015
HIGHEST            63   11/28        MM      MM       75
LOWEST             16   11/10        MM      MM       21
AVG. MAXIMUM     47.0              48.5    -1.5     54.9
AVG. MINIMUM     30.5              32.7    -2.2     37.3
MEAN             38.8              40.6    -1.8     46.1

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.16   2003
 MINIMUM         0.88   2008
TOTALS           2.93              3.46   -0.53     2.28
DAILY AVG.       0.10              0.12   -0.02     0.08
DAYS >= .01         9               9.7    -0.7        8
DAYS >= .10         7               4.9     2.1        5
DAYS >= .50         2               1.4     0.6        1
DAYS >= 1.00        1               0.6     0.4        1
GREATEST
 24 HR. TOTAL    1.12   11/18 TO 11/18

SNOWFALL (INCHES)
RECORDS
 TOTAL            4.7   2015
TOTALS              T               0.9    -0.9        T
SINCE 7/1           T               0.9    -0.9        T
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.2    -0.2
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL        T   11/18 TO 11/18

DEGREE_DAYS
HEATING TOTAL     782               732      50      564
 SINCE 7/1       1111              1219    -108      856
COOLING TOTAL       0                 0       0        3
 SINCE 1/1        875               862      13     1145
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
HIGHEST WIND SPEED/DIRECTION    25/210    DATE  11/20
HIGHEST GUST SPEED/DIRECTION    35/310    DATE  11/15

AVERAGE RH (PERCENT)     75


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

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