ST. MARY, MT

Average of Maximum Temperature (Degrees Fahrenheit)

(247292)

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
1981	-----	z	-----	z	-----	z	-----	z	59.65		63.40		74.70	a	83.41	b	70.53		51.40	a	45.17		32.00	d	60.03	d
1982	19.30	a	32.27	b	38.55	b	46.10	a	59.74	d	70.11	b	75.92	e	78.00	e	64.43	b	55.20	a	34.53		31.67	a	50.49
1983	39.27	a	41.18		43.00	h	51.89	b	62.53	a	68.64	b	75.37	d	83.93	d	62.19	c	55.53	a	37.97	a	17.06		54.14	a
1984	34.73	a	40.79		40.69	b	50.27		56.76	b	67.07	c	80.97	a	82.23		58.23		51.81	d	36.86	b	23.87	a	52.02
1985	32.97		28.63	a	40.27	e	50.93	b	66.45		69.29	b	84.97		73.74		53.10		49.68		20.93	a	34.40	a	50.45
1986	41.94		31.19	a	49.55	b	52.56	c	62.57	a	75.62	a	72.87		82.87		54.19	d	59.83	b	34.50		38.20	a	54.66
1987	35.80	a	39.82		42.19		59.82	b	66.14	b	74.41	a	75.31	b	69.60	a	72.39	b	60.87	a	48.14	b	33.90		56.53
1988	30.10		36.78	b	41.52	b	54.89	b	64.45	b	75.97	a	79.19		80.60	f	67.48	e	62.18	c	39.10		36.40	a	53.46	a
1989	33.24	b	23.78	a	39.43	a	51.89	b	60.52	b	69.74	c	80.93	b	72.87		68.31	a	54.59	b	39.15	c	34.35		52.40
1990	35.17	b	34.32		46.47	a	54.18	b	59.44	d	69.00	a	78.31	e	81.04	d	80.48	e	48.83	b	39.79	a	23.62	b	54.22
1991	29.03	b	44.64	f	40.43	a	51.56	e	58.46	e	66.16	k	79.86	c	83.18	c	72.41	a	52.50	e	38.45	a	39.68	c	54.56	b
1992	38.58		47.12	d	53.61	c	55.59	a	67.37	a	72.96	b	70.18	c	78.26	d	64.81	d	56.93	c	38.72	a	24.90	a	55.75
1993	27.85	d	33.04		44.90	a	52.86	a	69.62	b	68.76	e	65.48		72.07	a	65.67		55.21	l	35.93		38.18	c	52.21	a
1994	36.63	a	28.41	a	47.23		54.15	d	66.83	b	72.68	e	80.08	g	81.31	e	77.86	b	51.81		34.20		34.84		53.27	a
1995	39.10		38.31	b	42.18	c	50.46	b	61.24	b	68.56	c	76.28	f	77.28	m	68.78	c	48.52	b	42.46	d	35.00		49.46	b
1996	26.10		38.19	c	38.03	b	54.89	b	54.80	f	71.56	e	81.23		82.72	b	63.18	b	52.62	b	29.52	a	22.45		50.95	a
1997	29.61		39.73	b	39.50	a	46.97		60.29		68.76	a	77.45		80.10	b	74.21	b	53.88	e	44.20		38.42		54.43
1998	30.57	a	43.43		41.52		55.32	b	68.73	e	-----	z	84.70	h	81.70	h	75.68	h	61.00	g	39.41	a	31.30	d	44.32	e
1999	34.79	c	37.08	d	47.04	f	52.93	c	62.12	f	66.03	a	77.03	b	84.29	g	69.04	b	53.81	e	48.52	a	40.11	c	53.26	c
2000	33.03	a	38.14	a	43.45		57.18	b	61.93	b	70.73	d	84.24	b	84.55		66.24	e	58.89	c	38.00	b	33.24	b	55.80
2001	40.61		32.26	a	45.18	c	49.48	c	66.78	d	70.79	b	82.25	c	87.70	a	76.83	a	53.90		46.70		34.67	a	57.26
2002	32.13	a	36.54		31.74		47.70	c	58.79	c	69.62	a	84.27	e	77.00	f	70.00	o	50.74	l	48.35	j	39.05	j	51.54	e
2003	38.95	l	39.59	k	41.88	o	53.62	f	-----	z	-----	z	84.03		83.45		71.47		-----	z	-----	z	39.32	l	79.65	i
2004	30.23	a	42.28		48.39		57.39	b	58.10		67.83		79.77	a	76.77		63.61	b	51.71		43.47		37.79	g	56.32	a
2005	30.13		41.54		37.10	u	50.68	b	60.56	d	64.33	c	78.40	f	76.74		64.44	e	54.07	a	41.37		36.58	s	53.76	c
2006	38.72	m	36.55	f	42.33	p	54.40	o	62.50	u	71.52	g	84.78	h	80.30	k	-----	z	57.62	o	43.36	p	37.00	v	-----	z
2007	35.15	k	32.95	f	49.00	r	50.12	m	65.06	m	73.50	f	90.22	d	77.89	c	72.72	l	52.28	f	39.50	f	32.33	m	84.06	j
2008	35.80	u	-----	z	41.15	e	46.57	p	58.00	e	68.77	d	-----	z	-----	z	-----	z	57.33	d	47.75	b	27.14	i	54.60	g
2009	31.58	g	38.80	r	38.96	h	46.56	c	60.44	f	68.58	f	79.14	j	77.04	e	78.00	n	43.65	e	41.97	a	23.19		46.48	g
2010	33.71		38.18		44.43	c	45.77		46.86	b	56.74	c	66.80	a	62.07	b	54.11	b	53.43	a	29.79	b	33.74		47.14
2011	29.72	b	-----	z	32.90	a	36.27		50.58		61.41	c	72.84		76.65		69.70		48.90		35.27		33.81		49.82	a
2012	30.81		33.10		39.23	a	51.31	a	54.48		62.30		77.32		77.61		69.72	a	44.74		40.03		27.48		50.68
2013	34.71		35.14		38.90		42.27		59.68		65.40		77.74		76.61		64.07		48.35		38.67		26.45		50.67
2014	34.68		24.11		31.93	a	46.00		-----	z	62.07		77.58		72.42		63.27		57.97		34.10	a	34.94		49.01	a
2015	36.13		37.54		45.26		50.30		54.63	d	74.50	n	73.35		77.48		61.87		57.13		-----	z	-----	z	54.85	c
2016	-----	z	-----	z	-----	z	53.72	e	56.65		67.06	l	73.26		72.35		59.77		51.31	r	47.14	b	20.65		54.79	e
2017	21.27	a	28.30	a	37.19	e	-----	z	-----	z	-----	z	82.75	c	76.74		64.47		-----	z	-----	z	-----	z	51.79	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	52.06		64.81	i	-----	z	-----	z	-----	z	-----	z	29.40	e	22.35		34.61	i
2023	33.58		29.14		29.24	j	-----	z	65.95	j	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	31.36	j
Period of Record Statistics
MEAN	32.76		35.53		41.64		51.03		60.33		68.31		77.87		78.05		66.35		53.45		38.79		31.06		53.04
S.D.	5.05		5.75		5.06		4.78		5.41		4.45		5.45		5.33		6.65		4.49		6.22		6.39		2.93
SKEW	-0.63		-0.28		0.05		-0.90		-0.36		-0.52		-0.20		-0.77		-0.04		-0.15		-0.59		-0.53		-0.31
MAX	41.94		47.12		53.61		59.82		69.62		75.97		90.22		87.70		80.48		62.18		48.52		40.11		57.26
MIN	19.30		23.78		31.74		36.27		46.86		56.74		65.48		62.07		53.10		43.65		20.93		17.06		47.14
YRS	31		29		28		31		30		28		30		30		31		29		32		29		14