Climatological Report (Monthly)
Issued by NWS
Issued by NWS
089 CXUS53 KLOT 021250 CCA CLMORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1112 AM CDT WED MAY 01 2024 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 91 04/22/1980 04/30/1942 LOW 7 04/07/1982 HIGHEST 81 04/14 83 04/13 04/16 04/14 04/15 LOWEST 32 04/06 30 04/02 AVG. MAXIMUM 61.6 59.0 2.6 62.2 AVG. MINIMUM 43.8 40.3 3.5 41.3 MEAN 52.7 49.7 3.0 51.8 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 1 6.0 -5.0 5 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 8.68 2013 MINIMUM 0.14 1899 TOTALS 3.47 3.75 -0.28 2.02 DAILY AVG. 0.12 0.13 -0.01 0.07 DAYS >= .01 14 12.3 1.7 14 DAYS >= .10 10 7.1 2.9 8 DAYS >= .50 1 2.5 -1.5 1 DAYS >= 1.00 0 0.8 -0.8 0 GREATEST 24 HR. TOTAL 0.82 04/01 TO 04/02 0.88 SNOWFALL (INCHES) RECORDS TOTAL 13.6 1938 TOTALS T 1.3 -1.3 0.5 SINCE 7/1 22.2 38.4 -16.2 MM SNOWDEPTH AVG. 0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 MM 24 HR TOTAL T 04/02 TO 04/03 0.4 04/04 TO 04/04 DEGREE DAYS HEATING TOTAL 371 468 -97 416 SINCE 7/1 4701 5745 -1044 MM COOLING TOTAL 9 8 1 25 SINCE 1/1 9 10 -1 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 11.4 HIGHEST WIND SPEED/DIRECTION 30/320 DATE 04/12 30/170 04/28 HIGHEST GUST SPEED/DIRECTION 45/250 DATE 04/17 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.62 NUMBER OF DAYS FAIR 8 NUMBER OF DAYS PC 9 NUMBER OF DAYS CLOUDY 13 AVERAGE RH (PERCENT) 63 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 8 MIXED PRECIP 0 HEAVY RAIN 6 RAIN 8 LIGHT RAIN 17 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 1 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 3 SLEET 1 FOG 10 FOG W/VIS <= 1/4 MILE 0 HAZE 3 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$