


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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595 CDUS43 KLOT 140650 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 150 AM CDT WED MAY 14 2025 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 13 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 78 2:26 PM 89 1956 70 8 81 1991 2022 MINIMUM 58 11:59 PM 34 1888 50 8 62 1996 AVERAGE 68 60 8 72 PRECIPITATION (IN) YESTERDAY 0.00 1.49 2010 0.16 -0.16 0.12 MONTH TO DATE 0.33 1.93 -1.60 2.54 SINCE MAR 1 5.98 8.13 -2.15 9.60 SINCE JAN 1 8.48 12.09 -3.61 13.75 SNOWFALL (IN) YESTERDAY 0.0 T 1895 0.0 0.0 0.0 1953 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE MAR 1 2.8 6.8 -4.0 1.0 SINCE JUL 1 17.6 38.4 -20.8 22.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 7 -7 0 MONTH TO DATE 106 110 -4 40 SINCE MAR 1 1164 1386 -222 1053 SINCE JUL 1 5299 5855 -556 4741 COOLING YESTERDAY 3 2 1 7 MONTH TO DATE 3 14 -11 16 SINCE MAR 1 11 24 -13 25 SINCE JAN 1 11 24 -13 25 ................................................................... WIND (MPH) HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (90) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40) AVERAGE WIND SPEED 8.5 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 4:00 AM LOWEST 56 2:00 PM AVERAGE 73 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 70 92 1982 MINIMUM TEMPERATURE (F) 50 32 1895 SUNRISE AND SUNSET MAY 14 2025...........SUNRISE 5:32 AM CDT SUNSET 8:05 PM CDT MAY 15 2025...........SUNRISE 5:31 AM CDT SUNSET 8:06 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$