Climatological Report (Monthly)
Issued by NWS

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 18 19 20 21 22 23 24 25 26 27
000
CXUS53 KLOT 011151
CLMPWK


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
642 AM CDT TUE MAY 1 2018

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

...THE CHICAGO EXECUTIVE CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1996 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              88   04/18/2002
                        04/16/2002
                        04/15/2002
 LOW               20   04/09/1997
HIGHEST            80   04/30        MM      MM       81
LOWEST             20R  04/07        MM      MM       32
AVG. MAXIMUM     49.4              57.9    -8.5     61.6
AVG. MINIMUM     31.8              37.6    -5.8     42.1
MEAN             40.6              47.8    -7.2     51.9

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.11   1999
 MINIMUM         0.44   2005
TOTALS           2.58              2.97   -0.39     6.57

DEGREE_DAYS
HEATING TOTAL     724               522     202      395
 SINCE 7/1       6078              6113     -35     5226
COOLING TOTAL       0                 4      -4        8
 SINCE 1/1          0                 4      -4        8
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.6
HIGHEST WIND SPEED/DIRECTION    26/040    DATE  04/14
HIGHEST GUST SPEED/DIRECTION    40/050    DATE  04/14

AVERAGE RH (PERCENT)     63


-  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.