Climatological Report (Monthly)
Issued by NWS Chicago, IL

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
000
CXUS53 KLOT 011249
CLMLOT


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
630 AM CST WED FEB 1 2017

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

...THE ROMEOVILLE  WFO CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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              65   01/07/2008
 LOW              -24   01/16/2009
HIGHEST            59   01/21        MM      MM       48
LOWEST             -2   01/07        MM      MM       -4
AVG. MAXIMUM     35.1              30.6     4.5     32.2
AVG. MINIMUM     22.6              15.8     6.8     17.0
MEAN             28.9              23.2     5.7     24.6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.16   2003
 MINIMUM         0.88   2008
TOTALS           2.67              1.93    0.74     1.03
DAILY AVG.       0.09              0.06    0.03     0.03
DAYS >= .01        12              10.2     1.8        9
DAYS >= .10         9               5.3     3.7        3
DAYS >= .50         2               1.6     0.4        0
DAYS >= 1.00        0               0.4    -0.4        0
GREATEST
 24 HR. TOTAL    0.95   01/16 TO 01/17

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.1   2014
TOTALS            0.9              10.8    -9.9      5.2
SINCE 7/1        18.1              21.0    -2.9     15.8
SNOWDEPTH AVG.      0                MM      MM        1
DAYS >= 1.0         0               3.8    -3.8
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.4   01/09 TO 01/09

DEGREE_DAYS
HEATING TOTAL    1114              1295    -181     1242
 SINCE 7/1       3223              3681    -458     3043
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    37/MM     DATE   MM
HIGHEST GUST SPEED/DIRECTION    48/MM     DATE   MM

AVERAGE RH (PERCENT)     88


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

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.