Climatological Report (Annual)
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
839 CXUS53 KLOT 011730 CLARFD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 936 AM CST WED JAN 1 2020 ................................... ...THE ROCKFORD IL CLIMATE SUMMARY FOR THE YEAR OF 2019... CLIMATE NORMAL PERIOD 1981 TO 2010 CLIMATE RECORD PERIOD 1905 TO 2019 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 97 07/20 MM MM 97 05/27 LOWEST -31R 01/31 MM MM -16 01/06 AVG. MAXIMUM 57.8 59.3 -1.5 58.1 AVG. MINIMUM 39.5 39.2 0.3 39.2 MEAN 48.7 49.2 -0.5 48.6 DAYS MAX >= 90 17 14.9 2.1 15 DAYS MAX <= 32 60 46.1 13.9 43 DAYS MIN <= 32 145 133.5 11.5 161 DAYS MIN <= 0 13 11.6 1.4 14 PRECIPITATION (INCHES) RECORD MAXIMUM 56.48 1973 MINIMUM 22.87 1910 TOTALS 49.42 36.24 13.18 49.61 DAILY AVG. 0.14 0.10 0.04 0.14 DAYS >= .01 149 119.2 29.8 132 DAYS >= .10 97 67.3 29.7 82 DAYS >= .50 37 23.0 14.0 30 DAYS >= 1.00 13 8.2 4.8 16 GREATEST 24 HR. TOTAL 2.92 MM 2.59 SNOWFALL (INCHES) RECORDS TOTAL 84.3 2008 24 HR TOTAL MM SNOW DEPTH 27 01/16/1979 TOTALS 52.4 36.7 15.7 46.5 SINCE 7/1 11.2 13.1 -1.9 16.6 SNOWDEPTH AVG. 1 MM MM 1 DAYS >= TRACE 67 28.7 38.3 64 DAYS >= 1.0 18 11.0 7.0 16 GREATEST SNOW DEPTH 17 02/01 14 01/30 01/28 24 HR TOTAL 6.3 MM 11.7 DEGREE_DAYS HEATING TOTAL 6752 6569 183 6776 SINCE 7/1 MM 2561 MM MM COOLING TOTAL 927 820 107 967 SINCE 1/1 927 820 107 967 FREEZE DATES RECORD EARLIEST 09/13/1975 LATEST 05/27/1992 EARLIEST 10/07 LATEST 05/01 ................................................................. WIND (MPH) AVERAGE WIND SPEED 8.7 HIGHEST WIND SPEED/DIRECTION 45/010 DATE 06/30 HIGHEST GUST SPEED/DIRECTION 63/020 DATE 06/30 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.70 NUMBER OF DAYS FAIR 54 NUMBER OF DAYS PC 141 NUMBER OF DAYS CLOUDY 170 AVERAGE RH (PERCENT) 73 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 65 MIXED PRECIP 0 HEAVY RAIN 30 RAIN 45 LIGHT RAIN 154 FREEZING RAIN 4 LT FREEZING RAIN 14 HAIL 1 HEAVY SNOW 3 SNOW 24 LIGHT SNOW 63 SLEET 9 FOG 201 FOG W/VIS <= 1/4 MILE 15 HAZE 56 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$