Climatological Report (Annual)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
000 CXUS53 KLOT 012009 CLARFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 209 PM CST SAT JAN 01 2022 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 2021... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1905 TO 2021 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 112 07/14/1936 LOW -31 01/31/2019 HIGHEST 99 06/11 MM MM 95 07/26 08/24 08/25 LOWEST -12 02/17 MM MM -10 02/14 AVG. MAXIMUM 62.1 58.8 3.3 61.2 AVG. MINIMUM 41.9 40.0 1.9 41.5 MEAN 52.0 49.4 2.6 51.4 DAYS MAX >= 90 35 14.8 20.2 23 DAYS MAX <= 32 35 50.0 -15.0 23 DAYS MIN <= 32 125 135.8 -10.8 124 DAYS MIN <= 0 13 11.5 1.5 2 PRECIPITATION (INCHES) RECORD MAXIMUM 56.48 1973 MINIMUM 22.87 1910 TOTALS 24.19 37.24 -13.05 34.61 DAILY AVG. 0.07 0.10 -0.03 0.09 DAYS >= .01 113 120.7 -7.7 111 DAYS >= .10 60 69.0 -9.0 66 DAYS >= .50 15 23.6 -8.6 24 DAYS >= 1.00 2 8.8 -6.8 8 GREATEST 24 HR. TOTAL 2.52 08/09 TO 08/09 2.06 SNOWFALL (INCHES) RECORDS TOTAL 84.3 2008 SNOW DEPTH 27 01/16/1979 TOTALS 30.2 37.1 -6.9 32.2 SINCE 7/1 2.8 11.9 -9.1 9.1 DAYS >= TRACE 55 MM MM 61 DAYS >= 1.0 13 11.1 1.9 11 GREATEST SNOW DEPTH 17 02/16 7 24 HR TOTAL 5.5 01/30 TO 01/30 5.7 DEGREE DAYS HEATING TOTAL 5824 6497 -673 5909 SINCE 7/1 1989 2486 -497 2189 COOLING TOTAL 1252 838 414 1042 SINCE 1/1 1252 839 413 1042 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.1 HIGHEST WIND SPEED/DIRECTION 45/220 DATE 12/16 HIGHEST GUST SPEED/DIRECTION 63/190 DATE 12/15 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.61 NUMBER OF DAYS FAIR 83 NUMBER OF DAYS PC 136 NUMBER OF DAYS CLOUDY 146 AVERAGE RH (PERCENT) 65 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 39 MIXED PRECIP 0 HEAVY RAIN 22 RAIN 36 LIGHT RAIN 138 FREEZING RAIN 0 LT FREEZING RAIN 10 HAIL 2 HEAVY SNOW 1 SNOW 5 LIGHT SNOW 52 SLEET 6 FOG 136 FOG W/VIS <= 1/4 MILE 9 HAZE 84 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$