YEAR 2024 - GROWING DEGREE DAYS JANUARY THROUGH OCTOBER
CALCULATED AT BASE 50, BASE 40, AND BASE 32
January
Temperatures |
Growing Degree Days |
Day |
MAX |
MIN |
Base 50 |
Base 40 |
Base 32 |
1 |
32 |
27 |
0.0 |
0.0 |
0.0 |
2 |
28 |
25 |
0.0 |
0.0 |
0.0 |
3 |
31 |
26 |
0.0 |
0.0 |
0.0 |
4 |
30 |
25 |
0.0 |
0.0 |
0.0 |
5 |
34 |
24 |
0.0 |
0.0 |
1.0 |
6 |
34 |
24 |
0.0 |
0.0 |
1.0 |
7 |
34 |
24 |
0.0 |
0.0 |
1.0 |
8 |
27 |
18 |
0.0 |
0.0 |
0.0 |
9 |
30 |
18 |
0.0 |
0.0 |
0.0 |
10 |
42 |
30 |
0.0 |
1.0 |
5.0 |
11 |
32 |
6 |
0.0 |
0.0 |
0.0 |
12 |
8 |
-16 |
0.0 |
0.0 |
0.0 |
13 |
-12 |
-37 |
0.0 |
0.0 |
0.0 |
14 |
-12 |
-38 |
0.0 |
0.0 |
0.0 |
15 |
-4 |
-29 |
0.0 |
0.0 |
0.0 |
16 |
-3 |
-28 |
0.0 |
0.0 |
0.0 |
17 |
7 |
-8 |
0.0 |
0.0 |
0.0 |
18 |
12 |
-8 |
0.0 |
0.0 |
0.0 |
19 |
12 |
-10 |
0.0 |
0.0 |
0.0 |
20 |
15 |
1 |
0.0 |
0.0 |
0.0 |
21 |
22 |
15 |
0.0 |
0.0 |
0.0 |
22 |
29 |
22 |
0.0 |
0.0 |
0.0 |
23 |
34 |
28 |
0.0 |
0.0 |
1.0 |
24 |
38 |
29 |
0.0 |
0.0 |
3.0 |
25 |
41 |
32 |
0.0 |
0.5 |
4.5 |
26 |
44 |
33 |
0.0 |
2.0 |
6.5 |
27 |
42 |
27 |
0.0 |
1.0 |
5.0 |
28 |
36 |
29 |
0.0 |
0.0 |
2.0 |
29 |
43 |
32 |
0.0 |
1.5 |
5.5 |
30 |
43 |
29 |
0.0 |
1.5 |
5.5 |
31 |
43 |
25 |
0.0 |
1.5 |
5.5 |
|
|
|
|
|
|
|
AV MAX |
AV MIN |
Total Base 50 |
Total Base 40 |
Total Base 32 |
|
25.5 |
12.1 |
0.0 |
9.0 |
46.5 |
February
Temperatures |
Growing Degree Days |
Day |
MAX |
MIN |
Base 50 |
Base 40 |
Base 32 |
1 |
32 |
18 |
0 |
0 |
0 |
2 |
31 |
19 |
0 |
0 |
0 |
3 |
35 |
24 |
0 |
0 |
1.5 |
4 |
35 |
31 |
0 |
0 |
1.5 |
5 |
35 |
20 |
0 |
0 |
0 |
6 |
32 |
23 |
0 |
0 |
0 |
7 |
32 |
29 |
0 |
0 |
1.5 |
8 |
35 |
29 |
0 |
0 |
.5 |
9 |
34 |
30 |
0 |
0 |
1 |
10 |
37 |
12 |
0 |
0 |
2.5 |
11 |
33 |
16 |
0 |
0 |
.5 |
12 |
34 |
25 |
0 |
0 |
1 |
13 |
35 |
29 |
0 |
0 |
1.5 |
14 |
33 |
14 |
0 |
0 |
.5 |
15 |
30 |
13 |
0 |
0 |
0 |
16 |
26 |
2 |
0 |
0 |
0 |
17 |
24 |
1 |
0 |
0 |
0 |
18 |
26 |
0 |
0 |
0 |
0 |
19 |
24 |
13 |
0 |
0 |
0 |
20 |
26 |
23 |
0 |
0 |
1.5 |
21 |
36 |
26 |
0 |
0 |
2 |
22 |
40 |
29 |
0 |
0 |
4 |
23 |
40 |
28 |
0 |
0 |
4 |
24 |
46 |
30 |
0 |
3 |
7 |
25 |
41 |
37 |
0 |
.5 |
7 |
26 |
44 |
37 |
0 |
2.0 |
8.5 |
27 |
39 |
16 |
0 |
0 |
3.5 |
28 |
30 |
14 |
0 |
0 |
0 |
29 |
42 |
25 |
0 |
1 |
5 |
|
|
|
|
|
|
|
AV MAX |
AV MIN |
Total Base 50 |
Total Base 40 |
Total Base 32 |
|
34.1 |
21.1 |
0 |
6.5 |
54.5 |
March
Temperatures |
Growing Degree Days |
Day |
MAX |
MIN |
Base 50 |
Base 40 |
Base 32 |
1 |
49 |
28 |
0 |
4.5 |
8.5 |
2 |
39 |
26 |
0 |
0.0 |
3.5 |
3 |
33 |
15 |
0 |
0.0 |
0.5 |
4 |
37 |
20 |
0 |
0.0 |
2.5 |
5 |
34 |
25 |
0 |
0.0 |
1.0 |
6 |
37 |
16 |
0 |
0.0 |
2.5 |
7 |
38 |
13 |
0 |
0.0 |
3.0 |
8 |
38 |
13 |
0 |
0.0 |
3.0 |
9 |
42 |
19 |
0 |
1.0 |
5.0 |
10 |
49 |
34 |
0 |
4.5 |
9.5 |
11 |
43 |
34 |
0 |
1.5 |
6.5 |
12 |
46 |
35 |
0 |
3.0 |
8.5 |
13 |
49 |
32 |
0 |
4.5 |
8.5 |
14 |
44 |
26 |
0 |
2.0 |
6.0 |
15 |
47 |
24 |
0 |
3.5 |
7.5 |
16 |
53 |
25 |
1.5 |
6.5 |
10.5 |
17 |
60 |
27 |
5.0 |
10.0 |
14.0 |
18 |
61 |
27 |
5.5 |
10.5 |
14.5 |
19 |
65 |
28 |
7.5 |
12.5 |
16.5 |
20 |
66 |
28 |
8.0 |
13.0 |
17.0 |
21 |
64 |
33 |
7.0 |
12.0 |
16.5 |
22 |
52 |
29 |
1.0 |
6.0 |
10.0 |
23 |
46 |
23 |
0.0 |
3.0 |
7.0 |
24 |
38 |
18 |
0.0 |
0.0 |
3.0 |
25 |
33 |
17 |
0.0 |
0.0 |
0.5 |
26 |
36 |
19 |
0.0 |
0.0 |
2.0 |
27 |
44 |
30 |
0.0 |
2.0 |
6.0 |
28 |
48 |
35 |
0.0 |
4.0 |
9.5 |
29 |
47 |
33 |
0.0 |
3.5 |
8.0 |
30 |
44 |
27 |
0.0 |
2.0 |
6.0 |
31 |
47 |
27 |
0.0 |
3.5 |
7.5 |
|
|
|
|
|
|
|
AV MAX |
AVMIN |
Total Base 50 |
Total Base 40 |
Total Base 32 |
|
46.1 |
25.4 |
35.5 |
113 |
224.5 |
April
Temperatures |
Growing Degree Days |
Day |
MAX |
MIN |
Base 50 |
Base 40 |
Base 32 |
1 |
53 |
28 |
1.5 |
6.5 |
10.5 |
2 |
60 |
28 |
5.0 |
10.0 |
14.0 |
3 |
66 |
36 |
8.0 |
13.0 |
19.0 |
4 |
55 |
39 |
2.5 |
7.5 |
15.0 |
5 |
55 |
34 |
2.5 |
7.5 |
12.5 |
6 |
55 |
34 |
2.5 |
7.5 |
12.5 |
7 |
41 |
33 |
0.0 |
0.5 |
5.0 |
8 |
43 |
32 |
0.0 |
1.5 |
5.5 |
9 |
46 |
34 |
0.0 |
3.0 |
8.0 |
10 |
56 |
28 |
3.0 |
8.0 |
12.0 |
11 |
54 |
29 |
2.0 |
7.0 |
11.0 |
12 |
61 |
31 |
5.5 |
10.5 |
14.5 |
13 |
62 |
45 |
6.0 |
13.5 |
21.5 |
14 |
70 |
35 |
10.0 |
15.0 |
20.5 |
15 |
74 |
44 |
12.0 |
19.0 |
27.0 |
16 |
62 |
41 |
6.0 |
11.5 |
19.5 |
17 |
51 |
29 |
.5 |
5.5 |
9.5 |
18 |
47 |
31 |
0.0 |
3.5 |
7.5 |
19 |
45 |
24 |
0.0 |
2.5 |
6.5 |
20 |
46 |
20 |
0.0 |
3.0 |
7.0 |
21 |
55 |
30 |
2.5 |
7.5 |
11.5 |
22 |
54 |
28 |
2.0 |
7.0 |
11.0 |
23 |
57 |
24 |
3.5 |
8.5 |
12.5 |
24 |
64 |
28 |
7.0 |
12.0 |
16.0 |
25 |
68 |
42 |
9.0 |
15.0 |
23.0 |
26 |
62 |
40 |
6.0 |
11.0 |
19.0 |
27 |
58 |
40 |
4.0 |
9.0 |
17.0 |
28 |
55 |
41 |
2.5 |
8.0 |
16.0 |
29 |
54 |
40 |
2.0 |
7.0 |
15.0 |
30 |
48 |
32 |
0.0 |
4.0 |
8.0 |
|
|
|
|
|
|
|
AV MAX |
AV MIN |
Total Base 50 |
Total Base 40 |
Total Base 32 |
|
55.9 |
33.3 |
105.5 |
245 |
407.5 |
May
Temperatures |
Growing Degree Days |
Day |
MAX |
MIN |
Base 50 |
Base 40 |
Base 32 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
AV MAX |
AV MIN |
Total Base 50 |
Total Base 40 |
Total Base 32 |
|
|
|
|
|
|
June
Temperatures |
Growing Degree Days |
Day |
MAX |
MIN |
Base 50 |
Base 40 |
Base 32 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
AV MAX |
AV MIN |
Total Base 50 |
Total Base 40 |
Total Base 32 |
|
|
|
|
|
|
July
Temperatures |
Growing Degree Days |
Day |
MAX |
MIN |
Base 50 |
Base 40 |
Base 32 |
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 |
|
|
|
|
|
|
|
|
|
|
|
|
AV MAX |
AV MIN |
Total Base 50 |
Total Base 40 |
Total Base 32 |
|
|
|
|
|
|
August
Temperatures |
Growing Degree Days |
Day |
MAX |
MIN |
Base 50 |
Base 40 |
Base 32 |
1 |
|
|
|
|
|
2 |
|
|
|
|
|
3 |
|
|
|
|
|
4 |
|
|
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|
5 |
|
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|
|
6 |
|
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|
7 |
|
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|
|
|
8 |
|
|
|
|
|
9 |
|
|
|
|
|
10 |
|
|
|
|
|
11 |
|
|
|
|
|
12 |
|
|
|
|
|
13 |
|
|
|
|
|
14 |
|
|
|
|
|
15 |
|
|
|
|
|
16 |
|
|
|
|
|
17 |
|
|
|
|
|
18 |
|
|
|
|
|
19 |
|
|
|
|
|
20 |
|
|
|
|
|
21 |
|
|
|
|
|
22 |
|
|
|
|
|
23 |
|
|
|
|
|
24 |
|
|
|
|
|
25 |
|
|
|
|
|
26 |
|
|
|
|
|
27 |
|
|
|
|
|
28 |
|
|
|
|
|
29 |
|
|
|
|
|
30 |
|
|
|
|
|
31 |
|
|
|
|
|
|
|
|
|
|
|
|
AV MAX |
AV MIN |
Total Base 50 |
Total Base 40 |
Total Base 32 |
|
|
|
|
|
|
September
Temperatures |
Growing Degree Days |
Day |
MAX |
MIN |
Base 50 |
Base 40 |
Base 32 |
1 |
|
|
|
|
|
2 |
|
|
|
|
|
3 |
|
|
|
|
|
4 |
|
|
|
|
|
5 |
|
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|
|
6 |
|
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|
7 |
|
|
|
|
|
8 |
|
|
|
|
|
9 |
|
|
|
|
|
10 |
|
|
|
|
|
11 |
|
|
|
|
|
12 |
|
|
|
|
|
13 |
|
|
|
|
|
14 |
|
|
|
|
|
15 |
|
|
|
|
|
16 |
|
|
|
|
|
17 |
|
|
|
|
|
18 |
|
|
|
|
|
19 |
|
|
|
|
|
20 |
|
|
|
|
|
21 |
|
|
|
|
|
22 |
|
|
|
|
|
23 |
|
|
|
|
|
24 |
|
|
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|
|
25 |
|
|
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|
|
26 |
|
|
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|
|
27 |
|
|
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|
|
28 |
|
|
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|
|
29 |
|
|
|
|
|
30 |
|
|
|
|
|
|
|
|
|
|
|
|
AV MAX |
AV MIN |
Total Base 50 |
Total Base 40 |
Total Base 32 |
|
|
|
|
|
|
October
Temperatures |
Growing Degree Days |
Day |
MAX |
MIN |
Base 50 |
Base 40 |
Base 32 |
1 |
|
|
|
|
|
2 |
|
|
|
|
|
3 |
|
|
|
|
|
4 |
|
|
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|
5 |
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|
6 |
|
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|
|
7 |
|
|
|
|
|
8 |
|
|
|
|
|
9 |
|
|
|
|
|
10 |
|
|
|
|
|
11 |
|
|
|
|
|
12 |
|
|
|
|
|
13 |
|
|
|
|
|
14 |
|
|
|
|
|
15 |
|
|
|
|
|
16 |
|
|
|
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|
17 |
|
|
|
|
|
18 |
|
|
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|
19 |
|
|
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|
|
20 |
|
|
|
|
|
21 |
|
|
|
|
|
22 |
|
|
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|
|
23 |
|
|
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|
24 |
|
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|
|
25 |
|
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|
26 |
|
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|
27 |
|
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|
28 |
|
|
|
|
|
29 |
|
|
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|
|
30 |
|
|
|
|
|
31 |
|
|
|
|
|
|
|
|
|
|
|
|
AV MAX |
AV MIN |
Total Base 50 |
Total Base 40 |
Total Base 32 |
|
|
|
|
|
|
Northwestern Ag Research Center
4570 Montana Hwy 35
Kalispell, MT 59901
Tel: (406) 755-4303
Fax: (406) 755-8951
Superintendent
Jessica A. Torrion
jessica.torrion@montana.edu