Climatological Report (Daily)
Issued by NWS
Issued by NWS
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346
CDUS43 KLOT 180634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SAT MAY 18 2024
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 17 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 1:59 PM 94 1962 71 10 61
MINIMUM 59 6:01 AM 36 1973 51 8 45
2002
AVERAGE 70 61 9 53
PRECIPITATION (IN)
YESTERDAY 0.00 3.11 2020 0.15 -0.15 0.00
MONTH TO DATE 3.05 2.52 0.53 0.39
SINCE MAR 1 10.11 8.72 1.39 6.21
SINCE JAN 1 14.26 12.68 1.58 12.64
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 1.0 6.8 -5.8 2.3
SINCE JUL 1 22.2 38.4 -16.2 20.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 12
MONTH TO DATE 54 135 -81 103
SINCE MAR 1 1067 1411 -344 1321
SINCE JUL 1 4755 5880 -1125 5356
COOLING
YESTERDAY 5 2 3 0
MONTH TO DATE 21 22 -1 22
SINCE MAR 1 30 32 -2 47
SINCE JAN 1 30 32 -2 47
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 5.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 6:00 AM
LOWEST 35 1:00 PM
AVERAGE 68
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 93 1962
MINIMUM TEMPERATURE (F) 51 34 2002
SUNRISE AND SUNSET
MAY 18 2024...........SUNRISE 5:28 AM CDT SUNSET 8:09 PM CDT
MAY 19 2024...........SUNRISE 5:27 AM CDT SUNSET 8:10 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$