ST. MARY, MT

Average of Average Temperature (Degrees Fahrenheit)

(247292)

File last updated on April 25, 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
1981	-----	z	-----	z	-----	z	-----	z	48.21		51.60	a	60.47	a	66.05	c	54.48	a	41.86	b	37.12		24.78	d	48.07	d
1982	7.36	b	20.42	b	27.00	c	34.24	a	46.43	d	55.02	c	61.25	e	62.58	e	52.80	b	43.60	b	25.96	b	24.90	b	38.46
1983	30.14	b	33.57		32.68	i	39.27	b	48.77	a	55.88	b	61.09	d	65.94	d	50.76	c	46.05	a	32.09	b	5.66	b	42.66	a
1984	27.82	a	34.16	a	32.98	c	39.82		46.52	b	55.06	c	64.25	a	65.05	a	46.98		41.07	d	30.14	e	13.47	a	41.44
1985	21.88	a	19.46	b	30.31	e	40.79	d	51.58		55.17	c	66.29		58.56		43.32		40.16		12.09	a	26.38	a	38.83
1986	34.66		20.83	a	40.12	b	40.56	c	49.66	b	60.66	a	59.10		64.00		45.52	e	47.33	b	27.55	a	29.83	d	43.32
1987	26.86	b	31.84		32.37	a	46.12	b	52.76	b	60.46	b	60.78	b	55.83	a	55.98	b	47.33	a	39.35	c	26.75	a	44.70
1988	19.87	a	27.02	c	33.47	b	43.16	b	51.72	b	61.22	a	63.10		62.76	f	53.10	e	48.14	c	32.42		27.97	a	41.93	a
1989	24.90	b	12.76	a	29.67	a	39.69	c	47.57	b	56.09	c	63.45	b	58.76		53.57	a	44.02	b	32.81	d	27.13		40.87
1990	27.72	b	23.75		33.15	a	41.54	b	47.13	d	54.43	a	60.81	e	64.50	d	60.28	e	40.22	b	32.31	a	15.03	b	41.74
1991	18.88	c	35.23	f	30.40	a	40.08	e	47.63	e	53.84	k	63.95	c	65.75	c	55.22	a	41.48	e	30.89	b	32.22	d	42.65	b
1992	31.74		36.00	e	39.54	c	42.81	c	52.45	c	59.07	b	57.25	c	60.67	e	52.38	e	45.98	c	32.62	b	14.97	a	43.79
1993	17.26	d	21.75		35.38	a	42.55	a	53.91	c	54.86	e	54.55	a	57.60	b	52.28		43.45	l	27.67		31.50	c	40.85	a
1994	27.34	b	17.39	a	36.60		41.94	e	52.29	b	57.10	e	63.52	g	63.37	e	58.86	b	42.98		27.55		27.32		41.16	a
1995	28.26		27.54	c	29.98	c	39.13	c	46.62	b	54.62	d	62.06	g	60.53	m	54.63	c	40.14	c	33.27	d	25.73		37.99	b
1996	13.87		27.68	d	27.12	b	43.64	b	44.98	f	57.24	g	64.68		64.17	b	50.18	b	41.79	b	21.00	a	14.40		36.85	b
1997	19.32		29.42	b	30.25	a	35.82		47.94		56.12	a	62.52		62.55	b	58.30	b	44.81	e	34.75		30.15	a	42.66
1998	20.65	a	32.02		30.92		42.20	c	52.04	f	-----	z	68.09	i	62.70	h	58.16	h	46.24	h	33.09	a	21.88	e	30.13	f
1999	25.84	c	30.83	d	34.62	g	40.22	c	48.24	f	53.71	a	59.50	c	66.17	g	52.14	b	43.48	f	39.82	b	32.54	h	43.15	e
2000	23.71	b	28.41	a	34.60	a	44.05	b	50.07	b	56.60	e	65.84	b	65.90	a	52.64	e	45.71	c	28.52	c	23.71	c	43.31
2001	30.78	a	20.18	c	34.52	c	39.52	d	52.96	e	56.45	b	64.96	c	67.70	a	59.21	a	43.61		38.45	a	26.74	b	44.59
2002	25.05	a	28.28	a	20.10		35.44	d	46.15	e	55.76	a	67.50	e	60.28	f	53.47	o	35.68	l	38.13	k	31.12	j	39.75	e
2003	27.42	l	28.15	k	27.86	q	36.96	f	-----	z	-----	z	66.77		64.16		53.68		-----	z	-----	z	29.19	m	61.54	i
2004	21.17	d	31.62		38.45		43.88	b	45.89		54.32		64.14	b	61.47		52.43	b	42.56		35.53	a	28.12	g	44.68	a
2005	19.65		29.11		29.11	v	39.05	b	47.22	d	51.87	c	62.83	g	59.85		50.25	f	43.57	c	34.77		26.50	u	40.64	d
2006	32.42	m	26.62	g	27.00	q	42.79	p	48.28	v	57.20	g	66.89	i	61.79	l	-----	z	44.53	o	33.62	q	27.22	v	-----	z
2007	25.00	m	22.16	f	37.05	t	37.31	n	49.88	n	57.77	f	70.69	d	60.93	c	55.06	l	42.92	g	29.78	g	23.36	m	65.81	j
2008	23.20	u	-----	z	30.98	f	35.43	p	46.46	e	53.46	d	-----	z	-----	z	-----	z	44.10	e	38.20	b	14.41	i	45.55	h
2009	20.48	j	26.10	r	26.82	i	34.85	c	47.61	h	51.79	i	62.15	k	58.70	f	57.22	n	36.57	h	35.18	e	13.02		27.68	i
2010	24.10	b	27.52		35.05	c	36.37		38.56	e	49.04	f	55.98	b	53.07	b	46.27	d	45.29	g	24.50	d	23.17	a	36.46	b
2011	18.52	c	-----	z	25.54	c	29.52	a	42.18	a	52.26	e	59.97	b	61.12	a	54.90		41.43	a	28.59	c	26.07	a	40.01	a
2012	23.08		22.22		30.50	b	40.59	a	44.33	a	52.70		62.32		60.19		51.95	j	36.06		32.67		21.74		38.76	a
2013	25.17	a	27.61		26.85		31.82		48.05		54.20		62.00		62.11		52.53		38.37		30.20		18.47		39.78
2014	24.48		12.57		21.93	a	36.00		-----	z	51.17		63.03		59.79		50.27		48.89		23.48	b	27.65		38.11	a
2015	27.90		27.79		37.08		39.25		43.78	d	59.22	n	60.10		61.23		50.82		47.31		-----	z	-----	z	43.92	c
2016	-----	z	-----	z	-----	z	43.10	e	46.13	a	55.53	l	60.74		58.76		50.57		42.69	r	40.41	b	13.27		44.71	e
2017	13.21	e	20.63	a	28.71	e	-----	z	-----	z	-----	z	65.18	c	61.47		52.85		-----	z	-----	z	-----	z	40.34	f
2018	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2019	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2020	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2021	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2022	-----	z	-----	z	-----	z	-----	z	43.48		52.90	i	-----	z	-----	z	-----	z	-----	z	21.50	e	14.18		26.39	i
2023	27.32		22.18		16.60	j	-----	z	54.12	j	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	24.75	j
Period of Record Statistics
MEAN	23.50		25.67		31.58		39.58		47.81		55.38		62.41		61.83		52.65		43.41		31.08		22.43		41.96
S.D.	5.86		6.09		4.95		3.79		3.54		2.69		3.45		3.34		3.96		3.16		6.20		6.89		2.14
SKEW	-0.63		-0.44		-0.34		-0.77		-0.31		0.63		-0.04		-0.50		-0.26		-0.21		-0.89		-0.65		-0.34
MAX	34.66		36.00		40.12		46.12		53.91		61.22		70.69		67.70		60.28		48.89		40.41		32.22		44.70
MIN	7.36		12.57		20.10		29.52		38.56		51.17		54.55		53.07		43.32		36.06		12.09		5.66		38.46
YRS	31		29		27		31		29		26		30		29		29		26		32		28		12