Climatological Report (Monthly)
Issued by NWS
Issued by NWS
544 CXUS53 KLOT 011640 CLMORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 1040 AM CST THU FEB 01 2024 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 67 01/25/1950 LOW -27 01/20/1985 HIGHEST 41 01/27 57 01/11 01/30 LOWEST -10 01/14 -1 01/31 01/15 AVG. MAXIMUM 30.7 31.6 -0.9 37.5 AVG. MINIMUM 21.8 18.8 3.0 27.1 MEAN 26.3 25.2 1.1 32.3 DAYS MAX >= 90 0 0.0 0.0 0 DAYS MAX <= 32 9 17.0 -8.0 9 DAYS MIN <= 32 22 28.1 -6.1 21 DAYS MIN <= 0 3 3.5 -0.5 1 PRECIPITATION (INCHES) RECORD MAXIMUM 4.84 1916 MINIMUM 0.10 1981 TOTALS 3.50 1.99 1.51 2.60 DAILY AVG. 0.11 0.06 0.05 0.08 DAYS >= .01 17 11.0 6.0 14 DAYS >= .10 7 5.2 1.8 8 DAYS >= .50 2 1.1 0.9 1 DAYS >= 1.00 0 0.1 -0.1 1 GREATEST 24 HR. TOTAL 1.00 01/08 TO 01/09 1.12 SNOWFALL (INCHES) RECORDS TOTAL 42.5 1918 TOTALS 16.1 11.3 4.8 9.9 SINCE 7/1 20.0 20.9 -0.9 MM SNOWDEPTH AVG. 2 1 DAYS >= 1.0 5 4.0 1.0 3 GREATEST SNOW DEPTH 5 01/13 3 01/29 01/19 01/30 01/31 24 HR TOTAL 5.7 01/12 TO 01/13 3.6 DEGREE DAYS HEATING TOTAL 1193 1234 -41 1005 SINCE 7/1 2955 3448 -493 MM COOLING TOTAL 0 0 0 0 SINCE 1/1 0 0 0 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.9 HIGHEST WIND SPEED/DIRECTION 37/090 DATE 01/12 HIGHEST GUST SPEED/DIRECTION 55/090 DATE 01/12 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.86 NUMBER OF DAYS FAIR 2 NUMBER OF DAYS PC 5 NUMBER OF DAYS CLOUDY 24 AVERAGE RH (PERCENT) 80 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 0 MIXED PRECIP 0 HEAVY RAIN 0 RAIN 1 LIGHT RAIN 10 FREEZING RAIN 0 LT FREEZING RAIN 3 HAIL 1 HEAVY SNOW 2 SNOW 4 LIGHT SNOW 16 SLEET 4 FOG 22 FOG W/VIS <= 1/4 MILE 5 HAZE 6 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$