


Climatological Report (Monthly)
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
343 CXUS53 KDLH 051246 CLMDLH CLIMATE REPORT NATIONAL WEATHER SERVICE DULUTH MN 746 AM CDT TUE AUG 05 2025 ................................... ...THE DULUTH CLIMATE SUMMARY FOR THE MONTH OF JULY 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 35 07/01/1988 HIGHEST 88 07/27 MM MM 90 07/27 LOWEST 46 07/18 MM MM 47 07/01 AVG. MAXIMUM 76.2 77.7 -1.5 79.4 AVG. MINIMUM 56.7 56.2 0.5 58.2 MEAN 66.5 67.0 -0.5 68.8 DAYS MAX >= 90 0 0.8 -0.8 1 DAYS MAX <= 32 0 0.0 0.0 0 DAYS MIN <= 32 0 0.0 0.0 0 DAYS MIN <= 0 0 0.0 0.0 0 PRECIPITATION (INCHES) RECORD MAXIMUM 10.83 1909 MINIMUM 0.47 1875 TOTALS 3.75 3.92 -0.17 1.34 DAILY AVG. 0.12 0.13 -0.01 0.04 DAYS >= .01 13 11.9 1.1 10 DAYS >= .10 6 6.9 -0.9 4 DAYS >= .50 3 2.6 0.4 0 DAYS >= 1.00 0 0.9 -0.9 0 GREATEST 24 HR. TOTAL 1.44 07/15 TO 07/16 SNOWFALL (INCHES) RECORDS TOTAL T 2023 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 24 HR TOTAL 0 DEGREE DAYS HEATING TOTAL 54 50 4 20 SINCE 7/1 54 47 7 MM COOLING TOTAL 105 110 -5 144 SINCE 1/1 143 153 -10 MM ................................................................ WIND (MPH) AVERAGE WIND SPEED 7.4 HIGHEST WIND SPEED/DIRECTION 30/310 DATE 07/11 HIGHEST GUST SPEED/DIRECTION 42/310 DATE 07/11 SKY COVER POSSIBLE SUNSHINE (PERCENT) MM AVERAGE SKY COVER 0.42 NUMBER OF DAYS FAIR 15 NUMBER OF DAYS PC 12 NUMBER OF DAYS CLOUDY 4 AVERAGE RH (PERCENT) 75 WEATHER CONDITIONS. NUMBER OF DAYS WITH THUNDERSTORM 9 MIXED PRECIP 0 HEAVY RAIN 2 RAIN 5 LIGHT RAIN 16 FREEZING RAIN 0 LT FREEZING RAIN 0 HAIL 0 HEAVY SNOW 0 SNOW 0 LIGHT SNOW 0 SLEET 0 FOG 21 FOG W/VIS <= 1/4 MILE 2 HAZE 13 - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$