Climatological Report (Daily)
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CDUS43 KLOT 210632
CLIMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1232 AM CST FRI FEB 21 2025

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR FEBRUARY 20 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         25   4:07 PM  69    2017  38    -13       58
  MINIMUM          5   6:55 AM  -9    1929  24    -19       32
  AVERAGE         15                        31    -16       45

PRECIPITATION (IN)
  YESTERDAY        T             2.31 2018   0.06  -0.06     0.00
  MONTH TO DATE    0.16                      0.97  -0.81     0.20
  SINCE DEC 1      3.25                      4.24  -0.99     5.16
  SINCE JAN 1      1.32                      2.45  -1.13     2.49

DEGREE DAYS
 HEATING
  YESTERDAY       50                        34     16       20
  MONTH TO DATE  794                       729     65      529
  SINCE DEC 1   3022                      2980     42     2433
  SINCE JUL 1   3728                      4064   -336     3385

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    10.0


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64          11:00 PM
 LOWEST     45          12:00 PM
 AVERAGE    55

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


THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   39        68      2024
 MINIMUM TEMPERATURE (F)   24        -6      1963


SUNRISE AND SUNSET
FEBRUARY 21 2025......SUNRISE   6:38 AM CST   SUNSET   5:32 PM CST
FEBRUARY 22 2025......SUNRISE   6:36 AM CST   SUNSET   5:33 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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