ST. MARY, MT

Average of Minimum Temperature (Degrees Fahrenheit)

(247292)

File last updated on April 17, 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	36.77		40.41	a	46.23	a	48.00	c	38.97	a	32.60	a	29.07		16.82	c	36.11	d
1982	-3.60	a	7.96	a	15.57	c	22.38	a	33.23	a	40.00	b	46.58		47.42		40.93		32.60	a	17.79	b	17.67	a	26.54
1983	20.60	a	25.96		22.25	g	26.93		34.97		42.93		46.94		49.00		38.96	b	36.84		25.79	a	-4.72	b	31.29	a
1984	20.32		27.50	a	24.67	a	29.37		36.35		42.77		47.68		47.77	a	35.73		27.06		23.38	d	2.19		30.40
1985	10.93	a	10.04	a	20.35	e	30.25	b	36.71		41.10	a	47.61		43.39		33.53		30.65		2.33		16.87		26.98
1986	27.39		10.48	a	30.40	a	28.68	b	36.93	b	45.93		45.32		45.13		37.07	a	34.90		20.48	a	21.82	c	32.04
1987	18.38	b	23.86		22.60	a	32.40		39.16		46.07	a	46.42		42.07	a	39.60		33.71		30.50	b	19.33	a	32.84
1988	10.23	a	17.74	b	25.57	a	31.43		39.06		46.60		47.00		46.03		39.73		34.07	b	25.73		19.52		31.89
1989	16.74		1.68		19.42		28.34	a	34.94		42.40		46.32		44.65		38.80		33.32		26.00	d	19.90		29.38
1990	20.28	b	13.18		19.77		29.27		34.68		40.30		43.90	a	47.96	d	39.83	a	31.62	b	24.83	a	5.37	a	29.25
1991	6.73	a	26.22	e	19.87		28.60	e	36.93	d	41.15	j	48.04	c	48.10	a	38.27		30.24	b	23.54	b	24.75	c	30.12	a
1992	24.90		25.23	c	25.63	a	30.25	b	36.72	b	45.18	b	44.32	c	42.69	b	40.24	e	35.10	b	26.93	a	5.03	a	31.85
1993	6.79	b	10.46		25.87	a	32.27		38.52	b	41.04	c	43.63	a	43.59	b	38.90		32.00	k	19.40		24.97	b	29.58	a
1994	17.83	b	6.04		25.97		30.04	b	37.90		41.73	d	47.26		45.61	c	39.86	b	34.16		20.90		19.81		30.59
1995	17.42		17.15	b	18.38	b	27.26	c	32.00	b	40.19	d	47.68	f	44.86	i	40.14	b	32.40	a	23.44	c	16.45		26.48	b
1996	1.65		17.36	d	16.21	b	32.03	a	35.16	f	42.20	e	48.13		45.87		37.40		31.33	a	12.48	a	6.35		26.46	a
1997	9.03		19.12	b	21.00	a	24.67		35.58		43.43		47.58		45.55		42.69	a	35.38	b	25.30		22.13	a	30.95
1998	11.52		20.61		20.32		29.54	b	34.96	c	-----	z	51.17	h	43.46	g	40.79	f	32.08	f	26.76	a	12.92	e	22.38	e
1999	16.89	c	24.58	d	23.23	e	27.82	b	34.22	d	41.38	a	42.48	b	47.86	c	35.25	b	33.59	d	31.00	b	25.39	h	32.57	a
2000	14.38	b	18.00		26.27	a	30.79	a	38.21	b	42.15	d	47.13		46.90	a	39.04	e	32.57	a	18.75	b	12.66	b	30.57
2001	21.33	a	7.92	b	24.07	b	28.55	a	39.04	c	42.11	b	47.55	b	48.16		41.59	a	33.32		30.24	a	18.76	b	31.89
2002	17.19		20.37	a	8.45		22.96	c	33.82	c	41.67		50.86	c	43.89	d	36.93	o	20.63	l	27.29	i	23.19	j	29.90	d
2003	15.89	l	16.71	k	16.50	q	20.48	e	-----	z	-----	z	49.52		44.87		35.90		-----	z	-----	z	18.83	m	37.69	h
2004	12.11	c	20.97		28.52		30.50		33.68		40.80		48.20	a	46.16		41.10		33.42		27.93	a	17.68	f	33.03	a
2005	9.16		16.68		21.67	v	27.43	b	33.89	d	39.41	c	47.04	g	42.97		36.36	e	33.03	b	28.17		14.70	u	29.68	c
2006	26.11	m	15.22	e	11.93	q	30.86	p	32.73	t	42.87	g	48.73	i	43.89	l	-----	z	28.33	m	23.46	q	17.44	v	15.22	k
2007	12.90	k	11.36	f	24.67	s	23.69	n	34.63	l	42.04	f	51.25	c	43.96	c	37.39	l	32.92	f	20.09	g	14.47	l	47.61	j
2008	10.60	u	-----	z	20.84	f	24.26	k	35.48	d	38.15	d	-----	z	-----	z	-----	z	31.35	e	28.34	a	3.13	h	33.33	h
2009	7.14	i	13.40	r	13.00	g	23.15	c	34.38	g	35.86	i	45.43	j	40.72	f	36.65	m	27.33	g	28.92	e	2.84		18.30	i
2010	14.45	b	16.86		25.68	c	26.97		30.93	c	41.81	c	45.17	a	44.13		38.29	b	38.00	f	16.68	b	12.60	a	28.50	a
2011	6.77	a	-----	z	18.18	c	22.38	a	33.50	a	42.79	b	46.97	b	45.57	a	40.10		33.83	a	22.67	c	18.73	a	30.13	a
2012	15.35		11.34		22.23	a	29.86	a	34.57	a	43.10		47.32		42.77		34.95	j	27.39		25.30		16.00		28.66	a
2013	15.70	a	20.07		14.81		21.37		36.42		43.00		46.26		47.61		41.00		28.39		21.73		10.48		28.90
2014	14.29		1.04		11.93	a	26.00		-----	z	40.27		48.48		47.16		37.27		39.81		12.36	b	20.35		27.18	a
2015	19.68		18.04		28.90		28.20		32.93	d	43.94	n	46.84		44.97		39.77		37.48		-----	z	-----	z	32.98	c
2016	-----	z	-----	z	-----	z	32.48	e	36.23	a	44.00	l	48.23		45.16		41.37		34.08	r	33.68	b	5.90		34.72	e
2017	5.62	e	12.68		20.23	e	-----	z	-----	z	-----	z	47.61	c	46.19		41.23		-----	z	-----	z	-----	z	28.93	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	34.90		41.00	i	-----	z	-----	z	-----	z	-----	z	13.60	e	6.00		18.17	i
2023	21.06		15.21		3.95	j	-----	z	42.29	j	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	18.14	j
Period of Record Statistics
MEAN	14.23		16.11		21.57		27.90		35.59		42.10		46.99		45.66		38.96		32.97		23.25		13.98		30.29
S.D.	6.84		6.98		5.17		3.38		2.11		2.02		1.88		1.91		2.13		2.83		6.61		7.67		1.89
SKEW	-0.50		-0.36		-0.55		-0.68		-0.06		0.57		-0.15		-0.11		-0.65		-0.03		-1.14		-0.63		-0.70
MAX	27.39		27.50		30.40		32.48		39.16		46.60		51.25		49.00		42.69		39.81		33.68		24.97		32.84
MIN	-3.60		1.04		8.45		20.48		30.93		38.15		42.48		42.07		33.53		27.06		2.33		-4.72		26.54
YRS	31		31		28		32		31		28		31		32		30		27		32		28		14