Climatological Report (Daily)
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CDUS43 KLOT 200644
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
144 AM CDT FRI SEP 20 2019


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR SEPTEMBER 19 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         83    230 PM  93    1955  74      9       76
  MINIMUM         63    614 AM  40    1991  53     10       66
  AVERAGE         73                        63     10       71

PRECIPITATION (IN)
  YESTERDAY        0.01          1.72 2001   0.11  -0.10     0.21
  MONTH TO DATE    2.93                      2.07   0.86     3.25
  SINCE SEP 1      2.93                      2.07   0.86     3.25
  SINCE JAN 1     34.68                     27.20   7.48    37.48

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE SEP 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE    2                        40    -38        1
  SINCE SEP 1      2                        40    -38        1
  SINCE JUL 1      2                        53    -51        1

 COOLING
  YESTERDAY        8                         2      6        6
  MONTH TO DATE  103                        76     27      153
  SINCE SEP 1    103                        76     27      153
  SINCE JAN 1    899                       816     83     1230
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     5.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           600 AM
 LOWEST     51          1200 PM
 AVERAGE    65

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        93      2018
 MINIMUM TEMPERATURE (F)   52        36      1991


SUNRISE AND SUNSET
SEPTEMBER 20 2019.....SUNRISE   637 AM CDT   SUNSET   653 PM CDT
SEPTEMBER 21 2019.....SUNRISE   638 AM CDT   SUNSET   651 PM CDT


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




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