Climatological Report (Daily)
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796
CDUS43 KLOT 222238
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CST THU FEB 22 2018


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR FEBRUARY 22 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         40    138 PM  68    2017  38      2       68
                                      1922
  MINIMUM         29   1207 AM -14    1873  22      7       50
  AVERAGE         35                        30      5       59

PRECIPITATION (IN)
  TODAY            0.00          0.95 1919   0.07  -0.07     0.00
  MONTH TO DATE    4.41                      1.32   3.09     0.51
  SINCE DEC 1      6.54                      5.30   1.24     5.15
  SINCE JAN 1      5.95                      3.05   2.90     3.38

SNOWFALL (IN)
  TODAY            0.0           4.6  1950   0.3   -0.3      0.0
  MONTH TO DATE   20.3                       7.4   12.9       T
  SINCE DEC 1     30.2                      26.4    3.8     18.3
  SINCE JUL 1     30.3                      27.8    2.5     18.3

DEGREE DAYS
 HEATING
  TODAY           30                        35     -5        6
  MONTH TO DATE  878                       840     38      602
  SINCE DEC 1   3288                      3274     14     2950
  SINCE JUL 1   4331                      4530   -199     3779

 COOLING
  TODAY            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    20   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED    13.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           400 AM
 LOWEST     59          1200 PM
 AVERAGE    69

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   38        66      2000
 MINIMUM TEMPERATURE (F)   23       -18      1873


SUNRISE AND SUNSET
FEBRUARY 22 2018......SUNRISE   637 AM CST   SUNSET   533 PM CST
FEBRUARY 23 2018......SUNRISE   636 AM CST   SUNSET   535 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$





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