Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
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

475
CDUS43 KLOT 192143
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
443 PM CDT FRI MAY 19 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 19 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         48   1235 AM  94    1977  71    -23       69
                                      1975
  MINIMUM         43    851 AM  36    1993  49     -6       39
                                      1894
  AVERAGE         46                        60    -14       54

PRECIPITATION (IN)
  TODAY            0.22          1.53 1949   0.12   0.10     0.00
  MONTH TO DATE    1.84                      2.24  -0.40     3.66
  SINCE MAR 1     12.28                      8.12   4.16     9.80
  SINCE JAN 1     16.67                     11.64   5.03    11.87

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      7.8                       6.8    1.0      3.7
  SINCE JUL 1     26.1                      36.3  -10.2     31.2

DEGREE DAYS
 HEATING
  TODAY           19                         6     13       11
  MONTH TO DATE  193                       164     29      215
  SINCE MAR 1   1317                      1497   -180     1397
  SINCE JUL 1   5242                      6231   -989     5405

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE   18                        18      0        0
  SINCE MAR 1     30                        28      2        7
  SINCE JAN 1     30                        28      2        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED    19.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           300 PM
 LOWEST     65           200 AM
 AVERAGE    79

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   71        95      1977
 MINIMUM TEMPERATURE (F)   49        33      2002


SUNRISE AND SUNSET
MAY 19 2017...........SUNRISE   527 AM CDT   SUNSET   809 PM CDT
MAY 20 2017...........SUNRISE   526 AM CDT   SUNSET   810 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.