Climatological Report (Daily)
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | 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
946
CDUS43 KLOT 162136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT SUN APR 16 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 16 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         73    144 PM  87    2002  59     14       76
  MINIMUM         59    540 AM  18    1875  39     20       41
  AVERAGE         66                        49     17       59

PRECIPITATION (IN)
  TODAY            0.59          1.97 1921   0.11   0.48     0.00
  MONTH TO DATE    2.79                      1.75   1.04     0.69
  SINCE MAR 1      6.80                      4.25   2.55     4.03
  SINCE JAN 1     11.19                      7.77   3.42     6.10

SNOWFALL (IN)
  TODAY            0.0           5.4  1961   0.0    0.0      0.0
  MONTH TO DATE    0.0                       1.0   -1.0      1.1
  SINCE MAR 1      7.8                       6.6    1.2      3.7
  SINCE JUL 1     26.1                      36.1  -10.0     31.2

DEGREE DAYS
 HEATING
  TODAY            0                        16    -16        6
  MONTH TO DATE  192                       302   -110      367
  SINCE MAR 1    977                      1143   -166     1032
  SINCE JUL 1   4902                      5877   -975     5040

 COOLING
  TODAY            1                         0      1        0
  MONTH TO DATE   10                         0     10        0
  SINCE MAR 1     10                         1      9        0
  SINCE JAN 1     10                         1      9        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    13.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           100 AM
 LOWEST     31           300 PM
 AVERAGE    61

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   60        88      1976
 MINIMUM TEMPERATURE (F)   39        17      1875


SUNRISE AND SUNSET
APRIL 16 2017.........SUNRISE   609 AM CDT   SUNSET   734 PM CDT
APRIL 17 2017.........SUNRISE   608 AM CDT   SUNSET   735 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.