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
000
CDUS43 KLOT 180638
CLIMDW


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
136 AM CDT FRI AUG 18 2017


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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 17 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         84    259 PM  99    1988  82      2       88
  MINIMUM         73   1159 PM  48    1976  67      6       71
  AVERAGE         79                        74      5       80

PRECIPITATION (IN)
  YESTERDAY        0.17          2.60 1979   0.13   0.04      T
  MONTH TO DATE    0.94                      2.28  -1.34     2.54
  SINCE JUN 1      7.77                     10.35  -2.58     9.05
  SINCE JAN 1     27.09                     24.84   2.25    20.77

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                         0      3        0
  SINCE JUN 1      3                        32    -29        6
  SINCE JUL 1      3                         1      2        0

 COOLING
  YESTERDAY       14                         9      5       15
  MONTH TO DATE  144                       168    -24      251
  SINCE JUN 1    756                       716     40      927
  SINCE JAN 1    811                       790     21     1034
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    14.4



WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HEAVY RAIN
  LIGHT RAIN
  FOG


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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        99      1936
 MINIMUM TEMPERATURE (F)   66        49      1963


SUNRISE AND SUNSET
AUGUST 18 2017........SUNRISE   603 AM CDT   SUNSET   746 PM CDT
AUGUST 19 2017........SUNRISE   604 AM CDT   SUNSET   745 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.