Climatological Report (Seasonal)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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000 CXUS53 KLOT 011956 CLSRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 256 PM CDT TUE JUN 01 2021 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR THE SEASON, FROM 3/1/2021 TO 5/31/2021... 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 106 05/31/1934 LOW -11 03/03/2014 03/04/2002 03/01/1962 HIGHEST 88 05/01 MM MM 87 05/26 05/24 LOWEST 15 03/02 MM MM 22 03/07 AVG. MAXIMUM 62.5 59.1 3.4 59.0 AVG. MINIMUM 41.5 38.7 2.8 39.6 MEAN 52.0 48.9 3.1 49.3 DAYS MAX >= 90 0 0.8 -0.8 0 DAYS MAX <= 32 1 3.8 -2.8 0 DAYS MIN <= 32 20 29.9 -9.9 24 DAYS MIN <= 0 0 0.4 -0.4 0 PRECIPITATION (INCHES) RECORD MAXIMUM 21.43 1973 MINIMUM 3.13 1934 TOTALS 5.51 10.33 -4.82 11.83 DAILY AVG. 0.06 0.11 -0.05 0.13 DAYS >= .01 27 35.5 -8.5 40 DAYS >= .10 15 20.1 -5.1 24 DAYS >= .50 4 6.6 -2.6 6 DAYS >= 1.00 0 2.6 -2.6 4 GREATEST 24 HR. TOTAL 0.82 03/23 TO 03/23 2.00 SNOWFALL (INCHES) RECORDS TOTAL 24.5 1923 TOTALS 2.0 5.8 -3.8 5.6 SINCE 7/1 36.5 37.1 -0.6 MM DAYS >= TRACE 3 4.8 -1.8 17 DAYS >= 1.0 1 1.6 -0.6 2 GREATEST SNOW DEPTH 1 03/01 3 04/17 03/16 24 HR TOTAL 2.0 03/15 TO 03/15 3.0 DEGREE DAYS HEATING TOTAL 1275 1541 -266 1476 SINCE 7/1 6020 6468 -448 MM COOLING TOTAL 100 61 39 56 SINCE 1/1 100 61 39 56 ................................................................ WIND (MPH) AVERAGE WIND SPEED 9.4 HIGHEST WIND SPEED/DIRECTION 37/240 DATE 05/01 37/160 04/26 37/030 03/18 HIGHEST GUST SPEED/DIRECTION 57/230 DATE 05/01 SKY COVER AVERAGE SKY COVER 0.63 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 7 MIXED PRECIP 0 HEAVY RAIN 6 RAIN 8 LIGHT RAIN 40 FREEZING RAIN 0 LT FREEZING RAIN 1 HAIL 0 HEAVY SNOW 1 SNOW 1 LIGHT SNOW 3 SLEET 1 FOG 21 FOG W/VIS <= 1/4 MILE 1 HAZE 15 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$