Climatological Report (Daily)
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000
CDUS43 KLOT 170635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1235 AM CST FRI NOV 17 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 16 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   1159 PM  73    1952  48    -10       60
  MINIMUM         33    737 AM   6    1959  32      1       39
  AVERAGE         36                        40     -4       50

PRECIPITATION (IN)
  YESTERDAY        0.00          1.20 1928   0.10  -0.10     0.00
  MONTH TO DATE    1.05                      1.66  -0.61     0.21
  SINCE SEP 1     10.07                      8.02   2.05     5.74
  SINCE JAN 1     41.81                     33.15   8.66    32.72

SNOWFALL (IN)
  YESTERDAY        0.0           0.9  1920   0.0    0.0      0.0
  MONTH TO DATE    0.1                       0.2   -0.1      0.0
  SINCE SEP 1      0.1                       0.4   -0.3      0.0
  SINCE JUL 1      0.1                       0.4   -0.3      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       29                        25      4       15
  MONTH TO DATE  417                       340     77      201
  SINCE SEP 1    705                       842   -137      490
  SINCE JUL 1    710                       855   -145      490

 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    21   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     9.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76          1100 PM
 LOWEST     64          1200 AM
 AVERAGE    70

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   47        74      1975
                                             1971
                                             1952
 MINIMUM TEMPERATURE (F)   32         3      1959


SUNRISE AND SUNSET
NOVEMBER 17 2017......SUNRISE   644 AM CST   SUNSET   429 PM CST
NOVEMBER 18 2017......SUNRISE   645 AM CST   SUNSET   428 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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