Climatological Report (Daily)
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000
CDUS43 KLOT 252141
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT SUN OCT 25 2020


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR OCTOBER 25 2020...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         47    153 PM  79    1963  59    -12       48
  MINIMUM         39    716 AM  14    1887  40     -1       37
  AVERAGE         43                        50     -7       43

PRECIPITATION (IN)
  TODAY            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)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY           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
  TODAY            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    18   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    11.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


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

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


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


SUNRISE AND SUNSET
OCTOBER 25 2020.......SUNRISE   716 AM CDT   SUNSET   554 PM CDT
OCTOBER 26 2020.......SUNRISE   718 AM CDT   SUNSET   553 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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