2014 - Northwestern Agricultural Research Center | Montana State University

YEAR 2014 - 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	38	24	0.0	0.0	3.0
2	38	23	0.0	0.0	3.0
3	43	28	0.0	1.5	5.5
4	36	25	0.0	0.0	2.0
5	27	3	0.0	0.0	0.0
6	14	-4	0.0	0.0	0.0
7	16	1	0.0	0.0	0.0
8	22	12	0.0	0.0	0.0
9	35	22	0.0	0.0	1.5
10	38	29	0.0	0.0	3.0
11	40	31	0.0	0.0	4.0
12	43	34	0.0	1.5	6.5
13	43	33	0.0	1.5	6.0
14	46	28	0.0	3.0	7.0
15	41	28	0.0	0.5	4.5
16	44	27	0.0	2.0	6.0
17	43	20	0.0	1.5	5.5
18	38	17	0.0	0.0	3.0
19	35	17	0.0	0.0	1.5
20	27	14	0.0	0.0	0.0
21	32	14	0.0	0.0	0.0
22	24	22	0.0	0.0	0.0
23	30	20	0.0	0.0	0.0
24	31	25	0.0	0.0	0.0
25	34	29	0.0	0.0	1.0
26	33	28	0.0	0.0	0.5
27	32	12	0.0	0.0	0.0
28	31	12	0.0	0.0	0.0
29	29	13	0.0	0.0	0.0
30	29	20	0.0	0.0	0.0
31	21	10	0.0	0.0	0.0

	AV MAX	AV MIN	Total Base 50	Total Base 40	Total Base 32
	33.3	19.9	0.0	11.5	63.5

February

Temperatures			Growing Degree Days
Day	MAX	MIN	Base 50	Base 40	Base 32
1	18	-2	0.0	0.0	0.0
2	21	-2	0.0	0.0	0.0
3	22	15	0.0	0.0	0.0
4	20	-5	0.0	0.0	0.0
5	8	-17	0.0	0.0	0.0
6	6	-23	0.0	0.0	0.0
7	2	-23	0.0	0.0	0.0
8	7	-11	0.0	0.0	0.0
9	17	-4	0.0	0.0	0.0
10	16	4	0.0	0.0	0.0
11	25	5	0.0	0.0	0.0
12	43	21	0.0	1.5	5.5
13	47	32	0.0	3.5	7.5
14	45	31	0.0	2.5	6.5
15	44	29	0.0	2.0	6.0
16	38	30	0.0	0.0	3.0
17	37	30	0.0	0.0	2.5
18	39	22	0.0	0.0	3.5
19	40	26	0.0	0.0	4.0
20	37	23	0.0	0.0	2.5
21	34	18	0.0	0.0	1.0
22	32	11	0.0	0.0	0.0
23	26	11	0.0	0.0	0.0
24	17	1	0.0	0.0	0.0
25	16	-8	0.0	0.0	0.0
26	22	-5	0.0	0.0	0.0
27	19	4	0.0	0.0	0.0
28	26	16	0.0	0.0	0.0

	AV MAX	AV MIN	Total Base 50	Total Base 40	Total Base 32
	25.9	8.2	0.0	9.5	42.0

March

Temperatures			Growing Degree Days
Day	MAX	MIN	Base 50	Base 40	Base 32
1	16	-1	0.0	0.0	0.0
2	8	-4	0.0	0.0	0.0
3	11	-2	0.0	0.0	0.0
4	36	11	0.0	0.0	2.0
5	43	34	0.0	1.5	6.5
6	45	37	0.0	2.5	9.0
7	45	36	0.0	2.5	8.5
8	44	32	0.0	2.0	6.0
9	49	34	0.0	4.5	9.5
10	54	33	2.0	7.0	11.5
11	37	28	0.0	0.0	2.5
12	46	28	0.0	3.0	7.0
13	49	26	0.0	4.5	8.5
14	53	27	1.5	6.5	10.5
15	41	30	0.0	0.5	4.5
16	47	31	0.0	3.5	7.5
17	51	32	0.5	5.5	9.5
18	39	23	0.0	0.0	3.5
19	40	24	0.0	0.0	4.0
20	42	30	0.0	1.0	5.0
21	38	23	0.0	0.0	3.0
22	37	18	0.0	0.0	2.5
23	37	18	0.0	0.0	2.5
24	44	19	0.0	2.0	6.0
25	45	24	0.0	2.5	6.5
26	52	25	1.0	6.0	10.0
27	49	29	0.0	4.5	8.5
28	41	28	0.0	0.5	4.5
29	46	30	0.0	3.0	7.0
30	55	34	2.5	7.5	12.5
31	49	31	0.0	4.5	8.5

	AV MAX	AV MIN	Total Base 50	Total Base 40	Total Base 32
	41.6	24.8	7.5	75.0	187.0

April

Temperatures			Growing Degree Days
Day	MAX	MIN	Base 50	Base 40	Base 32
1	47	24	0.0	3.5	7.5
2	52	26	1.0	6.0	10.0
3	51	28	0.5	5.5	9.5
4	54	30	2.0	7.0	11.0
5	52	36	1.0	6.0	12.0
6	52	37	1.0	6.0	12.5
7	56	34	3.0	8.0	13.0
8	63	32	6.5	11.5	15.5
9	70	34	10.0	15.0	20.0
10	58	34	4.0	9.0	14.0
11	59	35	4.5	9.5	15.0
12	57	31	3.5	8.5	12.5
13	42	17	0.0	1.0	5.0
14	47	19	0.0	3.5	7.5
15	58	29	4.0	9.0	13.0
16	48	28	0.0	4.0	8.0
17	48	31	0.0	4.0	8.0
18	50	39	0.0	5.0	12.5
19	48	30	0.0	4.0	8.0
20	62	34	6.0	11.0	16.0
21	55	27	2.5	7.5	11.5
22	64	33	7.0	12.0	16.5
23	53	32	1.5	6.5	10.5
24	49	36	0.0	4.5	10.5
25	48	34	0.0	4.0	9.0
26	58	38	4.0	9.0	16.0
27	44	29	0.0	2.0	6.0
28	49	37	0.0	4.5	11.0
29	53	27	1.5	6.5	10.5
30	59	28	4.5	9.5	13.5

	AV MAX	AV MIN	Total Base 50	Total Base 40	Total Base 32
	53.5	31.0	68.0	203.0	345.5

May

Temperatures			Growing Degree Days
Day	MAX	MIN	Base 50	Base 40	Base 32
1	65	33	7.5	12.5	17.0
2	72	42	11.0	17.0	25.0
3	77	46	13.5	21.5	29.5
4	49	37	0.0	4.5	11.0
5	56	40	3.0	8.0	16.0
6	56	37	3.0	8.0	14.5
7	56	34	3.0	8.0	13.0
8	51	29	0.5	5.5	9.5
9	62	39	6.0	11.0	18.5
10	64	38	7.0	12.0	19.0
11	54	33	2.0	7.0	11.5
12	53	26	1.5	6.5	10.5
13	59	31	4.5	9.5	13.5
14	65	41	7.5	13.0	21.0
15	64	43	7.0	13.5	21.5
16	76	47	13.0	21.5	29.5
17	64	41	7.0	12.5	20.5
18	65	38	7.5	12.5	19.5
19	64	46	7.0	15.0	23.0
20	53	39	1.5	6.5	14.0
21	66	39	8.0	13.0	20.5
22	72	44	11.0	18.0	26.0
23	77	44	13.5	20.5	28.5
24	79	44	14.5	21.5	29.5
25	69	46	9.5	17.5	25.5
26	69	51	10.0	20.0	28.0
27	63	37	6.5	11.5	18.0
28	70	49	10.0	19.5	27.5
29	62	44	6.0	13.0	21.0
30	58	33	4.0	9.0	13.5
31	69	40	9.5	14.5	22.5

	AV MAX	AV MIN	Total Base 50	Total Base 40	Total Base 32
	63.8	39.7	215.5	403.5	618.0

June

Temperatures			Growing Degree Days
Day	MAX	MIN	Base 50	Base 40	Base 32
1	71	46	10.5	18.5	26.5
2	71	41	10.5	16.0	24.0
3	73	47	11.5	20.0	28.0
4	63	44	6.5	13.5	21.5
5	69	47	9.5	18.0	26.0
6	70	37	10.0	15.0	21.5
7	70	38	10.0	15.0	22.0
8	68	37	9.0	14.0	20.5
9	73	47	11.5	20.0	28.0
10	75	41	12.5	18.0	26.0
11	71	39	10.5	15.5	23.0
12	69	42	9.5	15.5	23.5
13	75	46	12.5	20.5	28.5
14	58	46	4.0	12.0	20.0
15	58	46	4.0	12.0	20.0
16	62	41	6.0	11.5	19.5
17	58	45	4.0	11.5	19.5
18	45	37	0.0	2.5	9.0
19	45	39	0.0	2.5	10.0
20	70	41	10.0	15.5	23.5
21	72	46	11.0	19.0	27.0
22	70	45	10.0	17.5	25.5
23	77	48	13.5	22.5	30.5
24	79	48	14.5	23.5	31.5
25	76	53	14.5	24.5	32.5
26	76	53	14.5	24.5	32.5
27	60	51	5.5	15.5	23.5
28	64	52	8.0	18.0	26.0
29	63	47	6.5	15.0	23.0
30	68	44	9.0	16.0	24.0

	AV MAX	AV MIN	Total Base 50	Total Base 40	Total Base 32
	67.3	44.5	269.0	483.0	716.5

July

Temperatures			Growing Degree Days
Day	MAX	MIN	Base 50	Base 40	Base 32
1	71	44	10.5	17.5	25.5
2	78	48	14.0	23.0	31.0
3	82	54	18.0	28.0	36.0
4	82	51	16.5	26.5	34.5
5	82	55	18.5	28.5	36.5
6	80	51	15.5	25.5	33.5
7	84	59	21.5	31.5	39.5
8	81	52	16.5	26.5	34.5
9	83	54	18.5	28.5	36.5
10	86	54	20.0	30.0	38.0
11	86	54	20.0	30.0	38.0
12	82	50	16.0	26.0	34.0
13	86	51	18.5	28.5	36.5
14	88	56	21.0	31.0	39.0
15	81	57	19.0	29.0	37.0
16	78	55	16.5	26.5	34.5
17	86	54	20.0	30.0	38.0
18	87	54	20.0	30.0	38.0
19	77	55	16.0	26.0	34.0
20	79	64	21.5	31.5	39.5
21	69	58	13.5	23.5	31.5
22	77	49	13.5	23.0	31.0
23	78	51	14.5	24.5	32.5
24	85	55	20.0	30.0	38.0
25	65	49	7.5	17.0	25.0
26	72	44	11.0	18.0	26.0
27	76	45	13.0	20.5	28.5
28	83	48	16.5	25.5	33.5
29	86	50	18.0	28.0	36.0
30	90	53	19.5	29.5	37.5
31	86	51	18.5	28.5	36.5

	AV MAX	AV MIN	Total Base 50	Total Base 40	Total Base 32
	80.8	52.4	523.5	822.0	1070.0

August

Temperatures			Growing Degree Days
Day	MAX	MIN	Base 50	Base 40	Base 32
1	87	51	19.0	28.5	36.5
2	90	55	22.5	30.5	38.5
3	84	60	22.0	32.0	40.0
4	82	53	17.5	27.5	35.5
5	87	53	20.0	29.5	37.5
6	84	52	18.0	28.0	36.0
7	87	50	18.5	28.0	36.0
8	85	49	17.5	27.0	35.0
9	84	49	17.0	26.5	34.5
10	83	45	16.5	24.0	32.0
11	85	48	17.5	26.5	34.5
12	88	50	19.0	28.0	36.0
13	84	54	19.0	29.0	37.0
14	86	55	20.5	30.5	38.5
15	86	55	20.5	30.5	38.5
16	86	52	19.0	29.0	37.0
17	66	55	10.5	20.5	28.5
18	78	51	14.5	24.5	32.5
19	81	53	17.0	27.0	35.0
20	82	56	19.0	29.0	37.0
21	71	51	11.0	21.0	29.0
22	71	50	10.5	20.5	28.5
23	62	53	7.5	17.5	25.5
24	63	41	6.5	12.0	20.0
25	65	38	7.5	12.5	19.5
26	71	42	10.5	16.5	24.5
27	76	45	13.0	20.5	28.5
28	82	49	16.0	25.5	33.5
29	81	45	15.5	23.0	31.0
30	80	52	16.0	26.0	34.0
31	73	51	12.0	22.0	30.0

	AV MAX	AV MIN	Total Base 50	Total Base 40	Total Base 32
	79.7	50.4	491.0	773.0	1020.0

September

Temperatures			Growing Degree Days
Day	MAX	MIN	Base 50	Base 40	Base 32
1	64	49	7.0	16.5	24.5
2	69	46	9.5	17.5	25.5
3	72	46	11.0	19.0	27.0
4	54	44	2.0	9.0	17.0
5	63	35	6.5	11.5	17.0
6	69	35	9.5	14.5	20.0
7	73	37	11.5	16.5	23.0
8	78	39	14.0	19.0	26.5
9	73	38	11.5	16.5	23.5
10	54	40	2.0	7.0	15.0
11	49	27	0.0	4.5	8.5
12	53	25	1.5	6.5	10.5
13	58	28	4.0	9.0	13.0
14	63	30	6.5	11.5	15.5
15	69	32	9.5	14.5	18.5
16	73	36	11.5	16.5	22.5
17	75	39	12.5	17.5	25.0
18	77	39	13.5	18.5	26.0
19	71	50	10.5	20.5	28.5
20	75	43	12.5	19.0	27.0
21	75	40	12.5	17.5	25.5
22	79	41	14.5	20.0	28.0
23	80	45	15.0	22.5	30.5
24	75	47	12.5	21.0	29.0
25	85	42	17.5	23.5	31.5
26	76	46	13.0	21.0	29.0
27	76	40	13.0	18.0	26.0
28	59	41	4.5	10.0	18.0
29	66	42	8.0	14.0	22.0
30	59	50	4.5	14.5	22.5

	AV MAX	AV MIN	Total Base 50	Total Base 40	Total Base 32
	68.7	39.7	281.5	467.0	676.0

October

Temperatures			Growing Degree Days
Day	MAX	MIN	Base 50	Base 40	Base 32
1	54	42	2.0	8.0	16.0
2	55	43	2.5	9.0	17.0
3	58	25	4.0	9.0	13.0
4	68	35	9.0	14.0	19.5
5	67	37	8.5	13.5	20.0
6	69	38	9.5	14.5	21.5
7	73	44	11.5	18.5	26.5
8	75	43	12.5	19.0	27.0
9	71	40	10.5	15.5	23.5
10	71	37	10.5	15.5	22.0
11	68	36	9.0	14.0	20.0
12	60	44	5.0	12.0	20.0
13	58	44	4.0	11.0	19.0
14	61	33	5.5	10.5	15.0
15	67	35	8.5	13.5	19.0
16	62	42	6.0	12.0	20.0
17	56	27	3.0	8.0	12.0
18	56	27	3.0	8.0	12.0
19	63	34	6.5	11.5	16.5
20	63	31	6.5	11.5	15.5
21	69	31	9.5	14.5	18.5
22	50	40	0.0	5.0	13.0
23	59	42	4.5	10.5	18.5
24	53	41	1.5	7.0	15.0
25	53	36	1.5	6.5	12.5
26	53	35	1.5	6.5	12.0
27	50	37	0.0	5.0	11.5
28	47	26	0.0	3.5	7.5
29	47	26	0.0	3.5	7.5
30	52	36	1.0	6.0	12.0
31	49	32	0.0	4.5	8.5

	AV MAX	AV MIN	Total Base 50	Total Base 40	Total Base 32
	59.9	36.1	157.0	321.0	511.5