Climatological Report (Daily)
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000
CDUS43 KLOT 180632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST SAT NOV 18 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 17 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         48   1159 PM  74    1975  47      1       72
                                      1971
                                      1952
  MINIMUM         35    723 AM   3    1959  32      3       44
  AVERAGE         42                        40      2       58

PRECIPITATION (IN)
  YESTERDAY        0.14          1.43 1892   0.11   0.03     0.00
  MONTH TO DATE    1.19                      1.77  -0.58     0.21
  SINCE SEP 1     10.21                      8.13   2.08     5.74
  SINCE JAN 1     41.95                     33.26   8.69    32.72

SNOWFALL (IN)
  YESTERDAY        0.0           3.8  1927   0.1   -0.1      0.0
  MONTH TO DATE    0.1                       0.3   -0.2      0.0
  SINCE SEP 1      0.1                       0.5   -0.4      0.0
  SINCE JUL 1      0.1                       0.5   -0.4      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       23                        25     -2        7
  MONTH TO DATE  440                       365     75      208
  SINCE SEP 1    728                       867   -139      497
  SINCE JUL 1    733                       880   -147      497

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        3
  SINCE SEP 1    208                       103    105      192
  SINCE JAN 1    991                       843    148     1157
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED    13.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1100 PM
 LOWEST     58           100 PM
 AVERAGE    76

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        72      1953
 MINIMUM TEMPERATURE (F)   32         8      1880


SUNRISE AND SUNSET
NOVEMBER 18 2017......SUNRISE   645 AM CST   SUNSET   428 PM CST
NOVEMBER 19 2017......SUNRISE   647 AM CST   SUNSET   427 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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