Annual
Climatology: Duluth, MN (DLH)
Elev: 433.3 m Lat: 46o 50'N Long: 92o 13'W

Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)
|
Month |
Daily Max |
Daily Min |
Mean |
Maximum Daily Temperature |
Minimum Daily Temperature |
|
January |
-8.2 |
-18.4 |
-13.1 |
8.3 |
-39.4 |
|
February |
-4.2 |
-14.9 |
-9.6 |
12.8 |
-39.4 |
|
March |
1.2 |
-8.6 |
-3.7 |
21.7 |
-33.9 |
|
April |
9.4 |
-1.7 |
3.9 |
31.1 |
-20.6 |
|
May |
17.4 |
4.6 |
11.0 |
32.2 |
-8.3 |
|
June |
21.8 |
9.2 |
15.5 |
34.4 |
-2.8 |
|
July |
24.6 |
12.6 |
18.6 |
36.1 |
1.7 |
|
August |
23.3 |
11.9 |
17.6 |
35.0 |
0.0 |
|
September |
18.1 |
7.1 |
12.6 |
35.0 |
-5.0 |
|
October |
11.4 |
1.4 |
6.4 |
30.0 |
-13.3 |
|
November |
1.8 |
-6.3 |
-2.2 |
21.7 |
-30.6 |
|
December |
-5.4 |
-14.7 |
-10.0 |
12.8 |
-36.7 |
|
Annual |
9.3 |
-1.5 |
3.9 |
36.1 |
-39.4 |
|
Month |
Mean |
Median |
Extreme |
Year |
Snow* |
|
January |
28.4 |
21.1 |
93.7 |
1975 |
485.1 |
|
February |
21.1 |
15.7 |
69.1 |
1998 |
274.3 |
|
March |
42.9 |
37.8 |
112.5 |
1977 |
353.1 |
|
April |
53.1 |
53.1 |
113.8 |
1981 |
160.0 |
|
May |
74.9 |
76.2 |
155.2 |
1991 |
7.6 |
|
June |
108.0 |
112.8 |
204.2 |
1986 |
Tr |
|
July |
106.7 |
99.8 |
222.0 |
1999 |
0.0 |
|
August |
107.2 |
94.2 |
261.9 |
1972 |
0.0 |
|
September |
104.9 |
102.9 |
238.3 |
1991 |
2.5 |
|
October |
62.5 |
57.9 |
154.7 |
1971 |
40.6 |
|
November |
53.8 |
46.7 |
129.0 |
2000 |
365.8 |
|
December |
23.9 |
22.9 |
51.3 |
1972 |
332.7 |
|
Annual |
787.4 |
804.7 |
|
|
2021.8 |
* Snowfall totals represent
mean snowfall 1971-2000
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