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
000
CDUS43 KLOT 081253 CCA
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1240 AM CST MON JAN 8 2018


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JANUARY 7 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         33   1159 PM  65    2008  31      2       18
  MINIMUM          8   1210 AM -16    1912  17     -9        0
  AVERAGE         21                        24     -3        9

PRECIPITATION (IN)
  YESTERDAY        0.03          0.65 1907   0.06  -0.03     0.00
  MONTH TO DATE    0.03                      0.44  -0.41     0.11
  SINCE DEC 1      0.62                      2.69  -2.07     1.88
  SINCE JAN 1      0.03                      0.44  -0.41     0.11

SNOWFALL (IN)
  YESTERDAY        T             3.9  2010   0.4   -0.4      0.0
  MONTH TO DATE    0.1                       2.3   -2.2       T
  SINCE DEC 1      5.4                      10.5   -5.1     17.7
  SINCE JUL 1      5.5                      11.9   -6.4     17.7
  SNOW DEPTH       1

DEGREE DAYS
 HEATING
  YESTERDAY       44                        41      3       56
  MONTH TO DATE  407                       287    120      329
  SINCE DEC 1   1572                      1442    130     1560
  SINCE JUL 1   2615                      2698    -83     2389

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    15.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  LT FREEZING RAIN
  SNOW
  LIGHT SNOW
  SLEET
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    63           100 AM
 LOWEST     53           400 AM
 AVERAGE    58

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        63      1965
 MINIMUM TEMPERATURE (F)   17       -11      1942
                                             1875


SUNRISE AND SUNSET
JANUARY  8 2018.......SUNRISE   719 AM CST   SUNSET   438 PM CST
JANUARY  9 2018.......SUNRISE   719 AM CST   SUNSET   439 PM CST


-  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.