Climatological Report (Daily)
Issued by NWS Duluth, MN
Issued by NWS Duluth, MN
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
412
CDUS43 KDLH 182126
CLIDLH
CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
426 PM CDT THU SEP 18 2025
...................................
...THE DULUTH CLIMATE SUMMARY FOR SEPTEMBER 18 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 61 1:02 PM 84 1984 67 -6 84
2000
2024
MINIMUM 58 1:01 AM 28 2020 47 11 66
AVERAGE 60 56 4 75
PRECIPITATION (IN)
TODAY T 1.75 1905 0.12 -0.12 T
MONTH TO DATE 1.90 2.13 -0.23 0.08
SINCE SEP 1 1.90 2.13 -0.23 0.08
SINCE JAN 1 17.18 23.49 -6.31 22.44
SNOWFALL (IN)
TODAY 0.0 2.4 1991 0.0 0.0 0.0
MONTH TO DATE 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
TODAY 5 9 -4 0
MONTH TO DATE 131 115 16 44
SINCE SEP 1 131 115 16 44
SINCE JUL 1 251 229 22 97
COOLING
TODAY 0 1 -1 10
MONTH TO DATE 10 19 -9 56
SINCE SEP 1 10 19 -9 56
SINCE JAN 1 230 252 -22 294
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 13.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 83 7:00 AM
AVERAGE 90
..........................................................
THE DULUTH CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 90 1984
MINIMUM TEMPERATURE (F) 46 27 1962
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:51 AM CDT SUNSET 7:14 PM CDT
SEPTEMBER 19 2025.....SUNRISE 6:52 AM CDT SUNSET 7:12 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$