


Climatological Report (Seasonal)
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
560 CXUS53 KDLH 100135 CLSDLH CLIMATE REPORT NATIONAL WEATHER SERVICE DULUTH MN 835 PM CDT TUE SEP 09 2025 ................................... ...THE DULUTH CLIMATE SUMMARY FOR THE SEASON, FROM 6/1/2025 TO 8/31/2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1870 TO 2025 WEATHER OBSERVED NORMAL DEPART LAST YEAR`S VALUE DATE(S) VALUE FROM VALUE DATE(S) NORMAL ................................................................ TEMPERATURE (F) RECORD HIGH 106 07/13/1936 LOW 27 06/10/1972 HIGHEST 88 07/27 MM MM 90 LOWEST 40 08/26 MM MM 40 AVG. MAXIMUM 73.7 75.2 -1.5 75.7 AVG. MINIMUM 54.5 53.9 0.6 55.3 MEAN 64.1 64.6 -0.5 65.5 PRECIPITATION (INCHES) RECORD MAXIMUM 20.91 1873 MINIMUM 3.49 1936 TOTALS 8.22 12.04 -3.82 12.54 SNOWFALL (INCHES) RECORDS TOTAL T 2023 SNOW DEPTH MM MM TOTALS 0.0 0.0 0.0 0.0 SINCE 7/1 0.0 0.0 0.0 MM SNOWDEPTH AVG. 0 0 DAYS >= 1.0 0 0.0 0.0 0 GREATEST SNOW DEPTH 0 0 MM DEGREE DAYS HEATING TOTAL 274 266 8 164 COOLING TOTAL 209 226 -17 237 ................................................................ WIND (MPH) AVERAGE WIND SPEED 8.2 HIGHEST WIND SPEED/DIRECTION 30/310 HIGHEST GUST SPEED/DIRECTION 42/310 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$