BIG SKY 2WNW, MT

Average of Average Temperature (Degrees Fahrenheit)

(240775)

File last updated on April 19, 2024
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)	JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC		ANN
1967	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	59.36	c	59.24		54.28		39.96	f	26.62	a	11.23	a	42.15	g
1968	15.97	b	23.98		31.32		31.32	b	41.47		49.97		58.52		53.17	a	48.60		40.79		24.72	a	16.00	a	36.32
1969	17.40	a	18.95		22.89		39.05		46.85		48.55		57.77		60.00	a	51.67	a	32.85		28.53		20.37	a	37.07
1970	19.12	a	25.86		23.47		28.37		44.19		53.25		58.97		59.77		44.05		33.53		27.35		17.75	a	36.31
1971	19.19		20.75		23.95	a	34.00	a	44.15		50.71	a	54.98		61.18	a	44.93		36.31		25.47		12.89		35.71
1972	12.48		22.95		29.24	b	35.23		44.21		52.70		56.19		58.26		45.65		38.79		26.35		12.08	a	36.18
1973	14.02		21.21		26.06		31.78	a	43.13		51.68		58.76		58.73		48.37		40.89		24.97		22.15	a	36.81
1974	15.57	b	20.85	a	27.58		35.78	a	41.45		54.92		60.35	a	55.20	a	49.48		42.77		27.13		17.66		37.40
1975	14.47		17.46		23.08		27.85		40.10		49.07		60.79		54.91	b	48.55		38.03	b	22.87		21.53	a	34.89
1976	18.97		21.21	a	21.78	a	35.95		46.73		50.93		59.48		55.63		50.93		39.28	a	30.72		19.45	a	37.59
1977	14.16		24.00		23.77		38.93		42.81		55.33		57.45	a	56.18	a	48.98		41.08	a	26.74	a	19.94		37.45
1978	20.05		22.57		31.45		36.52	a	42.79		51.27		57.44		56.03		48.97		42.18	a	21.97	a	9.15		36.70
1979	5.85		21.00	a	28.23	a	34.57		43.97	a	51.72	a	58.66		57.81		53.65		43.69		21.23		24.52	a	37.08
1980	13.48		24.38	a	25.73		37.93		45.52	a	51.58		58.84		54.60		50.92		40.31		28.27		27.45		38.25
1981	26.02		22.64		29.85		36.47		44.35		50.34	a	57.00		58.89		51.70		36.79		31.43		20.65	a	38.85
1982	14.72	d	18.50		27.31		29.79	a	41.07	b	50.18		57.35	a	59.02	b	48.78	c	38.24	d	22.08		18.07	c	35.43
1983	23.41	c	24.23		29.64	b	30.88	b	41.75	e	49.59	b	57.10	b	61.00		48.15	f	42.87	a	27.48	d	15.23	g	38.79	b
1984	18.70	c	21.34		28.95	c	32.95	b	43.75	c	49.21	b	59.38	b	58.09	c	45.61	b	34.95	b	28.87	d	15.41	b	36.43
1985	15.98	e	14.21		24.84	b	40.46	g	47.68	c	53.30	b	62.10	b	54.48	b	-----	z	39.32	c	19.92	f	16.13	a	36.45	c
1986	23.55	a	26.69	j	35.67	b	37.78	e	44.04	c	56.09	b	54.84	b	58.91	b	45.15	f	40.29	e	25.54	c	20.09	b	39.68	b
1987	17.17	d	23.30		30.05	a	42.04	b	48.46	c	54.92	d	57.70	f	55.29	b	51.46	b	42.02	d	30.34	b	18.67	d	37.61	a
1988	15.70	c	24.29	a	26.22	b	39.56	f	49.02	c	60.14	a	62.52		59.72	d	51.52	f	46.21	b	27.33	f	17.61	c	40.16	c
1989	17.26	f	12.57	e	29.87	e	38.06	d	44.31	d	52.59	b	-----	z	-----	z	-----	z	40.85	g	31.48	c	19.94	e	32.69	e
1990	22.73	c	20.77	h	29.83	d	39.66	b	42.59	c	51.66	a	58.85		59.50	c	55.77	d	38.56	d	30.82	e	9.93	i	43.00	b
1991	17.04	c	29.54		27.39	c	33.87	d	42.57	a	53.02	b	61.43	c	60.73		53.20	c	40.67	h	23.56	f	22.04	c	40.08	b
1992	21.50	a	-----	z	-----	z	38.85	f	49.83	d	53.61	b	57.37	e	57.47	b	49.65	f	43.75	g	23.70	c	15.00	c	39.78	e
1993	15.00	e	16.72	c	32.40	a	34.41	b	50.03	a	49.00	d	49.79	b	53.29		47.76	g	33.89	c	14.40	d	-----	z	34.89	b
1994	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1995	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1996	-----	z	-----	z	-----	z	35.79	k	41.06	n	57.50	u	59.65	n	59.46	f	48.37	g	39.08	a	27.91	h	19.60	e	29.34	j
1997	17.79	e	20.95	g	30.94	g	32.29	i	46.03	l	54.85	g	58.58	f	58.58	f	52.37	d	40.15	g	29.32	k	18.28	b	29.48	i
1998	21.33	a	23.32		29.20	d	37.60	j	46.30	f	46.57	g	61.83	j	60.65	h	55.23	d	40.28	f	29.00	j	19.21	b	29.66	g
1999	21.80	c	23.96	d	29.85	h	33.20	g	44.68	n	51.22	e	58.95	i	59.84	c	48.92	e	43.78	m	34.60	f	19.10	b	37.47	f
2000	20.54	c	27.19	e	28.93	c	39.02	e	45.30	i	52.33	d	60.54	d	60.92	e	49.24	c	40.10	e	16.20	e	17.33	e	37.48	a
2001	18.86	b	19.06	a	31.08	a	35.65	f	46.08	e	52.37	c	59.44	d	61.27	a	53.17	f	38.84	f	31.73	d	16.24	d	37.35	c
2002	19.44	d	19.30	c	23.50	c	33.72	g	42.34	f	51.96	d	62.17	b	54.85		50.02	f	34.04	g	26.54	d	21.23	c	34.88	d
2003	23.50	g	18.50	e	30.57	c	38.34	k	44.35	h	51.75	b	64.04	h	61.60	f	49.64	a	41.02	d	20.60	d	21.45	c	33.36	e
2004	18.44		-----	z	34.43	a	38.58	d	-----	z	50.78	a	59.02	a	55.60	e	49.81	a	39.00	g	26.93		22.26	b	39.54	c
2005	21.48	a	24.23	b	29.24	d	36.19	a	42.86	f	49.77		60.53		56.72	a	50.23		42.05		25.93		16.95		37.58	a
2006	22.21		18.52		26.00		38.57	b	46.42	a	54.90		63.05		57.18		49.18		35.70	h	28.13		18.50		38.42	a
2007	14.42	a	24.46		34.35		38.47	a	45.91	b	54.85		65.26		59.65		50.07		39.29		27.93	a	15.18		39.15
2008	13.19		23.31		24.34		31.36	a	42.60	a	49.93		59.73		58.21		48.63		39.00	c	30.87		13.53	a	36.23
2009	19.11		23.18		26.15		33.18		44.92		49.73		57.53	a	57.27		54.52	a	32.15	a	27.12	a	11.30	a	36.35
2010	20.77		21.23		31.30	a	35.90		38.03		50.70		57.11		55.79		50.87		43.64	b	23.47		19.58		37.37
2011	18.50		16.75		28.00		31.65		40.06		48.76	a	58.90		58.97		52.69	a	41.40		25.27		17.24		36.52
2012	21.21		20.90		32.85		40.16	a	43.26		52.78		62.45		60.55		52.83		38.47		30.33		19.55		39.61
2013	17.05		20.59		27.32		32.32		44.60		52.72		61.42		60.19		52.12		36.62	b	27.81	a	13.42		37.18
2014	21.23		16.29		26.21		35.00		45.53		49.05		61.29		56.66		51.08		41.90	a	24.35		21.97		37.55
2015	24.39		27.89		34.55	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	28.94	i
2016	-----	z	-----	z	-----	z	-----	z	42.00	h	55.84	k	57.33	j	58.29	s	46.92	q	38.33	y	26.58	x	-----	z	-----	z
2017	-----	z	-----	z	-----	z	-----	z	43.07	x	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2018	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2019	-----	z	-----	z	-----	z	-----	z	44.88	o	50.76	k	57.36	j	57.50	g	51.86	i	31.50	u	26.82	j	18.55	l	-----	z
2020	20.98	i	16.03	j	26.95	u	-----	z	-----	z	53.17	j	56.71	n	60.52	k	52.95	k	-----	z	22.36	s	19.00	j	-----	z
2021	17.08	s	12.68	i	25.95	l	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	18.23		21.53		28.30		35.24		44.28		51.88		59.07		57.82		50.36		39.38		26.21		18.09		37.02
S.D.	3.84		3.58		3.52		3.52		2.75		2.37		2.71		2.31		2.77		3.25		3.91		3.71		1.13
SKEW	-0.56		-0.26		0.14		-0.26		0.17		1.09		-0.71		-0.29		-0.21		-0.46		-1.00		-0.22		0.53
MAX	26.02		29.54		35.67		42.04		50.03		60.14		65.26		61.27		55.77		46.21		31.73		27.45		39.61
MIN	5.85		12.57		21.78		27.85		38.03		48.55		49.79		53.17		44.05		32.15		14.40		9.15		34.89
YRS	43		40		42		35		36		42		39		41		36		35		39		43		24