Climatological Report (Monthly)
Issued by NWS Chicago, IL

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CXUS53 KLOT 011404
CLMLOT


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
900 AM CDT WED NOV 1 2017

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

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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              89   10/07/2007
                        10/06/2007
                        10/04/2005
 LOW               20   10/19/1992
HIGHEST            82   10/02        MM      MM       83
LOWEST             33   10/29        MM      MM       34
AVG. MAXIMUM     65.1              62.9     2.2     66.2
AVG. MINIMUM     48.2              43.0     5.2     47.7
MEAN             56.7              52.9     3.8     57.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.37   2017
 MINIMUM         0.35   2005
TOTALS           8.37              3.41    4.96     3.89
DAILY AVG.       0.27              0.11    0.16     0.13
DAYS >= .01        13              10.0     3.0        7
DAYS >= .10         9               5.9     3.1        6
DAYS >= .50         5               1.9     3.1        4
DAYS >= 1.00        1               0.9     0.1        1
GREATEST
 24 HR. TOTAL    4.02   10/14 TO 10/14

SNOWFALL (INCHES)
RECORDS
 TOTAL            0.5   1994
TOTALS            0.0               0.0     0.0      0.0
SINCE 7/1         0.0               0.0     0.0      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   10/31 TO 10/31

DEGREE_DAYS
HEATING TOTAL     272               388    -116      268
 SINCE 7/1        329               487    -158      292
COOLING TOTAL      20                15       5       27
 SINCE 1/1        875               862      13     1142
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    31/290    DATE  10/15
HIGHEST GUST SPEED/DIRECTION    44/290    DATE  10/15

AVERAGE RH (PERCENT)     73


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

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