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Climatological Report (Daily)
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CDUS43 KLOT 260640
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
139 AM CDT MON OCT 26 2020


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 25 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         47    153 PM  79    1963  59    -12       48
  MINIMUM         39   1159 PM  14    1887  40     -1       37
  AVERAGE         43                        50     -7       43

PRECIPITATION (IN)
  YESTERDAY        T             1.94 1883   0.10  -0.10     0.00
  MONTH TO DATE    3.56                      2.51   1.05     3.46
  SINCE SEP 1      6.74                      5.72   1.02    11.07
  SINCE JAN 1     34.86                     30.85   4.01    42.82

SNOWFALL (IN)
  YESTERDAY        0.0           0.3  1962   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE SEP 1      0.0                       0.1   -0.1      0.0
  SINCE JUL 1      0.0                       0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       22                        16      6       22
  MONTH TO DATE  263                       296    -33      293
  SINCE SEP 1    321                       401    -80      304
  SINCE JUL 1    321                       414    -93      304

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    4                        10     -6       12
  SINCE SEP 1    108                       102      6      164
  SINCE JAN 1   1290                       842    448      960
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    12.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           800 AM
 LOWEST     60           200 PM
 AVERAGE    70

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        84      1963
 MINIMUM TEMPERATURE (F)   40        22      1942
                                             1887


SUNRISE AND SUNSET
OCTOBER 26 2020.......SUNRISE   718 AM CDT   SUNSET   553 PM CDT
OCTOBER 27 2020.......SUNRISE   719 AM CDT   SUNSET   551 PM CDT


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




$$
National Weather Service National Headquarters
