


Climatological Report (Daily)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
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620 CDUS43 KLOT 200645 CLIRFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 145 AM CDT SUN JUL 20 2025 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR JULY 19 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1905 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 85 5:30 PM 100 1930 84 1 79 2011 MINIMUM 70 3:55 AM 49 1909 64 6 56 AVERAGE 78 74 4 68 PRECIPITATION (IN) YESTERDAY 1.39 2.72 1952 0.12 1.27 0.00 MONTH TO DATE 4.73 2.33 2.40 5.45 SINCE JUN 1 8.11 7.56 0.55 9.92 SINCE JAN 1 16.51 21.12 -4.61 24.92 SNOWFALL (IN) YESTERDAY 0.0 T 1990 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 1 0.0 0.0 0.0 0.0 SINCE JUL 1 0.0 0.0 0.0 0.0 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 2 SINCE JUN 1 9 27 -18 8 SINCE JUL 1 0 0 0 2 COOLING YESTERDAY 13 9 4 3 MONTH TO DATE 204 170 34 162 SINCE JUN 1 467 352 115 436 SINCE JAN 1 505 413 92 504 ................................................................... WIND (MPH) HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (270) HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220) AVERAGE WIND SPEED 5.2 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. THUNDERSTORM HEAVY RAIN RAIN LIGHT RAIN FOG FOG W/VISIBILITY <= 1/4 MILE RELATIVE HUMIDITY (PERCENT) HIGHEST 91 9:00 AM LOWEST 61 4:00 PM AVERAGE 76 .......................................................... THE ROCKFORD IL CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 102 1930 MINIMUM TEMPERATURE (F) 64 49 1927 SUNRISE AND SUNSET JULY 20 2025..........SUNRISE 5:38 AM CDT SUNSET 8:27 PM CDT JULY 21 2025..........SUNRISE 5:39 AM CDT SUNSET 8:26 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$