487
CDUS43 KLOT 252138
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
438 PM CDT MON OCT 25 2021
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 25 2021
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 55 2:21 PM 79 1963 59 -4 47
MINIMUM 49 8:14 AM 14 1887 42 7 39
AVERAGE 52 50 2 43
PRECIPITATION (IN)
TODAY 0.76 1.94 1883 0.11 0.65 T
MONTH TO DATE 4.76 2.79 1.97 3.56
SINCE SEP 1 5.99 5.98 0.01 6.74
SINCE JAN 1 26.13 32.69 -6.56 34.86
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 13 15 -2 22
MONTH TO DATE 127 260 -133 263
SINCE SEP 1 143 337 -194 321
SINCE JUL 1 143 343 -200 321
COOLING
TODAY 0 0 0 0
MONTH TO DATE 59 12 47 4
SINCE SEP 1 242 128 114 108
SINCE JAN 1 1316 1000 316 1290
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 23.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 6:00 AM
LOWEST 66 2:00 PM
AVERAGE 80
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 84 1963
MINIMUM TEMPERATURE (F) 42 22 1887
1942
SUNRISE AND SUNSET
OCTOBER 25 2021.......SUNRISE 7:16 AM CDT SUNSET 5:55 PM CDT
OCTOBER 26 2021.......SUNRISE 7:17 AM CDT SUNSET 5:53 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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