Climatological Report (Daily) Issued by NWS
000
CDUS43 KLOT 180641
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT THU APR 18 2024
...................................
...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 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 68 6:43 AM 88 1976 60 8 39
MINIMUM 53 11:59 PM 17 1875 41 12 32
AVERAGE 61 50 11 36
PRECIPITATION (IN)
YESTERDAY 0.19 2.01 2013 0.13 0.06 0.07
MONTH TO DATE 1.94 1.94 0.00 1.38
SINCE MAR 1 5.53 4.39 1.14 5.18
SINCE JAN 1 9.68 8.35 1.33 11.61
SNOWFALL (IN)
YESTERDAY 0.0 3.0 2020 0.1 -0.1 0.4
MONTH TO DATE T 1.0 -1.0 0.4
SINCE MAR 1 1.0 6.5 -5.5 2.2
SINCE JUL 1 22.2 38.1 -15.9 20.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 15 -11 29
MONTH TO DATE 215 304 -89 197
SINCE MAR 1 857 1112 -255 999
SINCE JUL 1 4545 5581 -1036 5034
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 25
SINCE MAR 1 3 2 1 25
SINCE JAN 1 3 2 1 25
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 17.3
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 7:00 AM
LOWEST 62 10:00 PM
AVERAGE 76
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 89 2002
MINIMUM TEMPERATURE (F) 41 23 1875
1983
SUNRISE AND SUNSET
APRIL 18 2024.........SUNRISE 6:06 AM CDT SUNSET 7:37 PM CDT
APRIL 19 2024.........SUNRISE 6:04 AM CDT SUNSET 7:38 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$