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 020638
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1238 AM CST THU FEB 2 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR FEBRUARY 1 2017...

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)
 YESTERDAY
  MAXIMUM         38    310 PM  56    1968  32      6       45
  MINIMUM         21   1159 PM -14    1985  17      4       30
  AVERAGE         30                        24      6       38

PRECIPITATION (IN)
  YESTERDAY        T             0.87 2015   0.05  -0.05     0.00
  MONTH TO DATE    T                         0.05  -0.05     0.00
  SINCE DEC 1      4.64                      4.03   0.61     5.71
  SINCE JAN 1      2.87                      1.78   1.09     0.84

SNOWFALL (IN)
  YESTERDAY        T            16.2  2015   0.4   -0.4      0.0
  MONTH TO DATE    T                         0.4   -0.4      0.0
  SINCE DEC 1     18.3                      19.4   -1.1     10.8
  SINCE JUL 1     18.3                      20.8   -2.5     22.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       35                        41     -6       27
  MONTH TO DATE   35                        41     -6       27
  SINCE DEC 1   2383                      2475    -92     2066
  SINCE JUL 1   3212                      3731   -519     3039

 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    23   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    12.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           700 AM
 LOWEST     38           500 PM
 AVERAGE    65

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        51      1992
 MINIMUM TEMPERATURE (F)   17       -16      1996


SUNRISE AND SUNSET
FEBRUARY  2 2017......SUNRISE   703 AM CST   SUNSET   508 PM CST
FEBRUARY  3 2017......SUNRISE   702 AM CST   SUNSET   510 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.