525
CDUS43 KLOT 170730
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
230 AM CDT TUE OCT 17 2023
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR OCTOBER 16 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 3:31 PM 87 1963 63 -7 54
MINIMUM 43 11:59 PM 28 1991 45 -2 40
AVERAGE 50 54 -4 47
PRECIPITATION (IN)
YESTERDAY T 1.41 1878 0.11 -0.11 0.00
MONTH TO DATE 1.80 1.80 -0.00 0.81
SINCE SEP 1 5.16 4.99 0.17 3.01
SINCE JAN 1 29.42 31.70 -2.28 28.12
SNOWFALL (IN)
YESTERDAY MM T 1943 0.0 MM 0.0
2009
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 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 15 11 4 18
MONTH TO DATE 120 141 -21 162
SINCE SEP 1 133 218 -85 237
SINCE JUL 1 135 224 -89 237
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 44 12 32 0
SINCE SEP 1 199 128 71 154
SINCE JAN 1 1133 1000 133 1155
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 8.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 7:00 AM
LOWEST 63 12:00 AM
AVERAGE 73
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 86 1950
MINIMUM TEMPERATURE (F) 45 26 1948
SUNRISE AND SUNSET
OCTOBER 17 2023.......SUNRISE 7:06 AM CDT SUNSET 6:07 PM CDT
OCTOBER 18 2023.......SUNRISE 7:07 AM CDT SUNSET 6:06 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page