Climatological Report (Monthly)
Issued by NWS
Issued by NWS
947 CXUS53 KLOT 011612 CLMMDW CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1112 AM CDT WED MAY 01 2024 ................................... ...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1928 TO 2024 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 92 04/30/1942 LOW 10 04/07/1982 HIGHEST 81 04/14 84 04/13 04/16 04/14 LOWEST 33 04/06 32 04/02 04/17 AVG. MAXIMUM 62.8 59.9 2.9 63.0 AVG. MINIMUM 44.9 41.4 3.5 42.2 MEAN 53.8 50.6 3.3 52.6 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 3.3 -3.3 2 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 8.33 1947 MINIMUM 0.45 1971 TOTALS 4.48 3.57 0.91 1.55 DAILY AVG. 0.15 0.12 0.03 0.05 DAYS >= .01 14 11.5 2.5 14 DAYS >= .10 7 6.9 0.1 7 DAYS >= .50 2 2.5 -0.5 0 DAYS >= 1.00 2 0.9 1.1 0 GREATEST 24 HR. TOTAL 1.49 04/28 TO 04/29 0.41 DEGREE DAYS HEATING TOTAL 343 439 -96 393 SINCE 7/1 4494 5551 -1057 MM COOLING TOTAL 17 9 8 26 SINCE 1/1 17 11 6 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 11.9 HIGHEST WIND SPEED/DIRECTION 36/240 DATE 04/02 HIGHEST GUST SPEED/DIRECTION 49/230 DATE 04/02 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.62 NUMBER OF DAYS FAIR 7 NUMBER OF DAYS PC 10 NUMBER OF DAYS CLOUDY 13 AVERAGE RH (PERCENT) 60 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 6 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 4 LIGHT RAIN 15 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 2 SLEET 0 FOG 9 FOG W/VIS <= 1/4 MILE 0 HAZE 0 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$