Climatological Report (Daily)
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 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
546
CDUS43 KLOT 220634
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT FRI SEP 22 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR SEPTEMBER 21 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1928 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         95R   302 PM  92    1970  73     22       77
                                      1941
  MINIMUM         74    627 AM  40    1930  55     19       68
  AVERAGE         85                        64     21       73

PRECIPITATION (IN)
  YESTERDAY        0.00          1.67 1947   0.11  -0.11     0.24
  MONTH TO DATE    0.56                      2.37  -1.81     0.58
  SINCE SEP 1      0.56                      2.37  -1.81     0.58
  SINCE JAN 1     28.61                     28.92  -0.31    25.23

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE   18                        35    -17        0
  SINCE SEP 1     18                        35    -17        0
  SINCE JUL 1     23                        40    -17        0

 COOLING
  YESTERDAY       20                         3     17        8
  MONTH TO DATE  110                       103      7      191
  SINCE SEP 1    110                       103      7      191
  SINCE JAN 1   1016                      1013      3     1383
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   S (180)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     6.0



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        93      1937
 MINIMUM TEMPERATURE (F)   55        34      1974


SUNRISE AND SUNSET
SEPTEMBER 22 2017.....SUNRISE   639 AM CDT   SUNSET   648 PM CDT
SEPTEMBER 23 2017.....SUNRISE   640 AM CDT   SUNSET   646 PM CDT


-  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.