691
CDUS43 KDLH 210635
CLIDLH
CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
135 AM CDT SUN SEP 21 2025
...............................
..THE DULUTH CLIMATE SUMMARY FOR SEPTEMBER 20 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1870 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 65 4:51 PM 87 1891 66 -1 75
MINIMUM 55 4:21 AM 23 1962 46 9 56
AVERAGE 60 56 4 66
PRECIPITATION (IN)
YESTERDAY 0.10 3.77 1972 0.11 -0.01 0.00
MONTH TO DATE 2.24 2.36 -0.12 0.15
SINCE SEP 1 2.24 2.36 -0.12 0.15
SINCE JAN 1 17.52 23.72 -6.20 22.51
SNOWFALL (IN)
YESTERDAY 0.0 T 2017 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 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 5 10 -5 0
MONTH TO DATE 148 134 14 44
SINCE SEP 1 148 134 14 44
SINCE JUL 1 268 248 20 97
COOLING
YESTERDAY 0 0 0 1
MONTH TO DATE 10 19 -9 65
SINCE SEP 1 10 19 -9 65
SINCE JAN 1 230 252 -22 303
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 8.6
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 87 4:00 PM
AVERAGE 94
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THE DULUTH CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 88 1908
MINIMUM TEMPERATURE (F) 45 28 1974
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 6:55 AM CDT SUNSET 7:08 PM CDT
SEPTEMBER 22 2025.....SUNRISE 6:56 AM CDT SUNSET 7:06 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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