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
919
CDUS43 KLOT 100649
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
149 AM CDT TUE APR 10 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 9 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         39    300 PM  80    1887  56    -17       77
  MINIMUM         30    109 AM  20    1989  37     -7       57
  AVERAGE         35                        46    -11       67

PRECIPITATION (IN)
  YESTERDAY        0.13          1.49 1882   0.12   0.01     0.00
  MONTH TO DATE    0.42                      0.96  -0.54     1.54
  SINCE MAR 1      2.16                      3.46  -1.30     5.55
  SINCE JAN 1      8.34                      6.98   1.36     9.94

SNOWFALL (IN)
  YESTERDAY        2.0 R         1.8  1961   0.1    1.9      0.0
  MONTH TO DATE    2.2                       0.7    1.5      0.0
  SINCE MAR 1      4.8                       6.3   -1.5      7.8
  SINCE JUL 1     35.1                      35.8   -0.7     26.1
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       30                        19     11        0
  MONTH TO DATE  294                       181    113      133
  SINCE MAR 1   1161                      1022    139      918
  SINCE JUL 1   5619                      5756   -137     4843

 COOLING
  YESTERDAY        0                         0      0        2
  MONTH TO DATE    0                         0      0        2
  SINCE MAR 1      0                         1     -1        2
  SINCE JAN 1      0                         1     -1        2
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED     6.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           500 AM
 LOWEST     75           600 PM
 AVERAGE    84

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        90      1930
 MINIMUM TEMPERATURE (F)   37        18      1989


SUNRISE AND SUNSET
APRIL 10 2018.........SUNRISE   619 AM CDT   SUNSET   727 PM CDT
APRIL 11 2018.........SUNRISE   618 AM CDT   SUNSET   728 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.