MILBANK 4 NW, SD

Average of Minimum Temperature (Degrees Fahrenheit)

(395536)

File last updated on May 8, 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
1893	-----	z	1.67	y	10.10		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-0.45	b	4.82	j
1894	-4.17	a	5.11		21.94		35.47		44.26		56.45	a	60.76	b	55.74		35.11	u	32.13		15.61	b	13.80	a	30.64	a
1895	-8.52	h	-2.38	b	18.29		30.87	o	45.33	a	53.38	a	53.69	b	51.37	a	45.33		28.48	h	17.04	b	6.50	a	32.06	c
1896	-----	z	7.42	c	3.90	a	32.47		47.65		53.50		55.06		53.45		41.83	a	-----	z	7.07		12.73	a	31.51	b
1897	-2.66	b	3.58	b	11.39	c	33.60		42.81		50.57		60.19		51.48		50.55	a	34.70	a	13.73		3.23	e	29.43
1898	8.16		5.37	a	17.45	b	29.27		42.19		51.03		55.26		52.52		47.00		29.77		13.82	b	6.14	b	29.83
1899	3.62	b	-3.78	a	5.45		29.77		43.68		52.50		57.68		55.45		42.97		36.45		27.90		9.60	a	30.11
1900	8.84		-7.22	a	14.69	b	36.80		43.61		51.30		55.26		61.84		47.37		41.81		21.23		16.10		32.63
1901	7.83	a	0.22	a	20.29		33.77		45.61		52.32	e	62.71		54.68		44.53		39.14	b	17.24	a	6.06		32.03
1902	7.10		7.68		23.17	a	31.27		45.58		47.80		55.84		53.00		40.00		33.93	a	23.67		-0.24	b	30.73
1903	-0.14	b	0.32		20.48		32.31	a	44.68		49.13		55.48		53.24	b	47.97	a	-----	z	-----	z	-----	z	33.72	c
1904	-11.69	r	-7.15	c	19.62	b	30.27		43.33	a	50.17		51.19		51.23		44.20		37.42		25.20		5.65		31.92	a
1905	-6.06		-3.74	a	23.16		27.80		41.03		51.53		55.10		57.10		48.30		31.32		24.40		10.90	a	30.07
1906	8.65		2.75		9.87		35.34	a	42.40	a	51.83		55.39		56.37	a	51.04	c	34.20	a	21.36	b	4.10		31.11
1907	-10.42		4.59	a	19.16		24.33		34.03		51.67		55.61		51.74		41.20		30.61		19.80		11.16		27.79
1908	7.10		6.45		12.13		30.30		42.32		52.72	a	56.26		50.40	a	49.07		34.03		24.90		4.90		30.88
1909	0.71		4.64		19.71		23.77		41.06		54.70		57.81		58.94		45.23		32.94		19.70		0.48		29.97
1910	3.45	b	-0.50		29.48		32.77		38.26		53.23		54.87		52.65		44.20		38.16		-----	z	6.74		32.12	a
1911	-7.59	b	6.14		18.19		30.57		44.32		56.30		54.58		52.23		45.10		34.13		8.27		13.39		29.64
1912	-12.65		4.76		10.06		32.47		45.03		49.70		57.39		52.42		42.73		32.19		23.28	a	9.94		28.94
1913	-3.97		-3.11	a	9.67	a	33.50		41.84		54.00		54.94		57.26		46.30		28.00		26.77		13.68		29.91
1914	5.77		-6.22	a	16.21	c	29.70		44.33	a	54.38	a	59.52		52.97		46.13		38.06		22.36	b	-3.45		29.98
1915	-2.10		12.54		15.45		38.40		41.58		48.27		54.74		50.32		46.33		36.29		23.10		8.00		31.08
1916	-8.77		-0.41		15.45		31.20		42.03		50.23		65.84		58.32		45.20		30.35		18.80		-3.20	a	28.75
1917	-5.55		-7.79		16.65		30.93		38.90		50.54	b	58.03	a	52.26		46.00		25.94		25.87		-4.48		27.27
1918	-8.68		2.32		24.39		27.30		41.74		-----	z	54.13		58.44	d	40.66	a	39.68		27.17		13.71		29.17	a
1919	13.03		7.50		19.42		34.63		45.73	a	59.80		61.94		56.84		50.20		30.35		15.57		5.81		33.40
1920	0.94		8.17		19.87		26.43		44.19		56.37		59.39		54.48		51.77		42.19		23.27		13.19		33.36
1921	12.77		14.07		19.07	a	35.83		44.71		59.90		61.97		58.58		51.37		37.50	a	12.89	b	14.00		35.22
1922	3.90		-2.89		23.06		34.97		49.70	a	59.03		57.19		60.42		50.30		38.65		30.63		-----	z	36.82	a
1923	7.52		-0.04	b	12.32		32.43		45.47	a	59.00		65.35		55.29		51.79	a	36.58		26.45	a	16.31	b	34.04
1924	-2.70	a	11.00		18.76	b	34.25	b	37.61		51.83	a	55.94		56.55		46.37		41.87	a	21.57		-3.35		30.81
1925	1.52	b	12.67	a	21.66	b	39.50		39.29		51.47		57.06		58.03		52.14	b	27.60	a	21.83	a	9.81		32.71
1926	4.42		15.07	a	15.81		28.67		48.00		50.60		58.10		56.81		45.13		35.42		17.25	b	4.67	a	31.66
1927	4.96	c	11.54		24.48		34.48	a	43.07	c	51.73		55.58		52.03		49.53		-----	z	17.45	a	-5.31	b	30.87	a
1928	8.62	b	12.07	a	20.61		24.66	a	42.50	o	48.57		59.55		56.73	a	44.13		35.03		25.83		14.72	b	31.87	a
1929	-11.19		-5.32		23.77		33.50		38.50	a	50.57		58.67	a	54.48		46.10		36.42		17.43		5.86	b	29.07
1930	-7.39		18.79		18.42		33.80		42.42		52.07		59.77		57.68		44.70		33.57	a	21.57		13.39		32.40
1931	13.13		19.46		19.17	a	34.97	a	43.07	p	61.77		62.32		57.65		53.90		42.45		25.87		15.41	i	39.07	b
1932	1.43	q	10.61	a	13.35		35.80		46.77		57.50		59.97		58.74		45.03		37.15	e	20.23		6.03		35.56	a
1933	11.42		3.86		20.71		32.30		46.13		59.83	r	65.08	s	59.06		54.13		33.16		20.50		5.32		28.66	b
1934	10.74		11.11		16.94		34.20		55.52		57.40		63.55		57.97	a	44.97	a	42.35		28.83		8.81		36.03
1935	0.19		20.32		24.29		32.72	a	42.90		53.70		67.77		60.61		50.20		35.59	d	14.79	a	9.55		34.39
1936	-9.74		-13.45		22.55		27.77		54.00		57.93		69.39		64.81		52.40		33.00		21.07		12.93	a	32.72
1937	-8.32		3.96	a	19.42		33.90		49.00		56.07		62.00		64.23		50.53		35.71		19.90		4.94		32.61
1938	2.39		6.46		25.61		34.77		45.39		55.30		60.74		61.29		51.40		42.48		17.97		11.90		34.64
1939	9.00		-2.29		20.81		31.27		50.90		57.73		62.06		58.68		50.97		36.77		26.03		20.07	a	35.17
1940	-3.16		9.76		19.13		32.87		45.23		55.17		62.58		58.29		53.93		42.73	a	18.70		15.74		34.25
1941	6.71		7.18		21.81		40.97		51.68		58.43		63.03		60.32		51.43		40.70	a	26.60		18.48	b	37.28
1942	13.10		11.61		26.68		39.17		45.87		55.93		59.94		60.19		46.77		38.87		24.30		5.42		35.65
1943	-4.77		9.89		14.10		35.10		43.00		57.93		63.26		60.29		49.70		37.26		23.57		12.45		33.48
1944	17.26		8.72		14.87		31.67		50.81		57.20		60.52		59.13		50.47		39.23		29.27		12.32		35.95
1945	8.97		10.61		28.58		31.80		40.42		52.63		59.84		58.84		48.57		37.55		21.27		3.00		33.51
1946	3.84		3.43		30.45		39.60		42.81		56.27		62.13		56.97		48.83		37.97		22.37		12.19		34.74
1947	13.32		4.54		19.81		33.57		42.06		54.03		60.65		65.90		50.47		46.13		18.67		8.03		34.76
1948	-0.13		4.46	a	14.55		36.47		47.26		55.73		63.26		60.94		54.83		38.45		26.60		11.16		34.47
1949	0.97		1.57		19.83	a	35.77		48.39		57.27		61.94		62.13		45.30		39.60	a	29.21	a	7.87		34.15
1950	-8.71		6.32		16.87		28.53		43.35		54.73		56.77		53.55		49.53		38.70	a	17.13		3.45		30.02
1951	-1.93	a	11.00		9.00		32.23		47.97		49.97		58.84		56.94		44.93	a	36.26		16.50		3.87		30.46
1952	-0.26		13.21		13.77		36.57		44.73	a	57.63		60.10		57.26		51.27		32.32		24.30		14.58		33.79
1953	6.35		11.93		22.48		31.03		44.71		56.47		59.32		60.65		47.30		42.00		26.57		10.68		34.96
1954	-3.29		24.00		19.16		33.10		39.84		55.87		60.06		56.55		49.33		36.13		27.50		14.58		34.40
1955	6.06		0.96		13.61		38.03		49.00		54.20		63.84		61.74		46.57		38.10		12.80		-0.23		32.06
1956	0.23		2.69		16.52		27.63		45.87		59.80		57.26		57.35		44.90		40.84		23.60		14.16		32.57
1957	-4.23	a	8.79		20.16		33.03		44.10		53.59	a	64.10		57.71		46.77		38.39		24.80		17.16		33.70
1958	12.03	a	4.50	b	22.16		33.73		42.77	i	49.10		54.60	f	56.23		48.30		37.07	d	21.90	a	4.52	b	28.95	b
1959	-0.63	a	3.46	b	23.31	b	-----	z	-----	z	-----	z	-----	z	61.94		49.39	b	32.45		15.04	b	21.50	c	25.81	d
1960	5.38	b	7.90		8.87	a	33.68	e	45.10		53.18	b	59.52		60.65		50.53		36.90		22.68	b	7.29		32.64
1961	3.32	c	12.25		25.30	k	28.03		42.65		57.27		58.87		63.00		49.57		38.90	b	22.27		3.84		34.54	a
1962	0.00		4.81	b	17.00	a	31.28	a	50.19		57.30		59.45		59.32		47.13		40.16		28.70		11.29		33.89
1963	-3.73	a	5.39		24.53	a	37.07		45.17	a	60.20		61.19		58.81		52.30		46.52		27.87		3.61		34.91
1964	9.71		12.21		11.48		35.40		46.94		53.17		61.35		55.00		46.53		37.26		21.07		2.43	c	32.71
1965	-3.71		1.04		9.39		34.50		46.13		55.60		60.71		57.35		42.47		39.68		21.97		19.87		32.08
1966	-8.43	a	3.61		25.61		30.30		41.30	a	55.37		64.55		56.90		47.50		37.71		18.77		11.10		32.02
1967	5.10		-2.25		22.61		33.53		40.32		55.43		56.94		55.65		48.37		35.97		22.97		10.31	b	32.08
1968	4.48		2.96	a	26.10		34.52	a	42.29		55.20		58.97		56.68		49.45	a	37.73	a	26.43		6.84		33.47
1969	-5.03		8.21		10.68		36.10		48.23		48.57		59.61		59.39		48.00		33.93	a	23.97		11.58		31.94
1970	-4.55		6.79		16.90		32.30		46.48		58.13		60.39		59.94		49.50		37.74		23.70		5.87		32.77
1971	-3.45		7.61		21.42		33.87		40.97		62.60		56.68		57.94		48.70		40.52		23.00		7.23		33.09
1972	-1.58		1.17		20.13		32.60		50.19		54.70		59.55		62.39		47.17		34.06		25.17		2.71		32.35
1973	9.29		-----	z	30.65		32.90		44.32		56.07		59.74		62.87		48.37		42.13		24.00		7.33	a	37.97	a
1974	0.35		6.32		19.70	a	34.53		43.93	a	53.97	a	64.48		55.67	a	43.50		37.48		25.59	a	15.03	a	33.38
1975	5.77	a	5.48	a	15.32		30.77		47.13	a	56.30		63.48		58.68		45.93		39.61		24.80		10.10		33.61
1976	0.25	c	15.76		17.55		34.03		40.50	a	55.30		57.97		59.84		45.30		30.42		15.10		-0.71		30.94
1977	-9.42		10.21		23.10		37.83		52.13		55.80		58.90		52.87	a	49.89	b	35.03		19.48	a	4.26		32.51
1978	-8.32		-2.31	b	23.95	i	32.77		44.68		51.10	a	56.48		54.27	a	49.00		32.65		16.20		4.45		30.09	a
1979	-11.26		-10.30	a	11.55		26.72	a	36.58		49.97		56.23		53.29		44.70		31.07	a	17.97	a	12.93	a	26.62
1980	1.42		1.14		10.77		31.60		43.16		52.73		55.97	a	53.68		43.03		30.55		22.00	a	4.42		29.21
1981	2.03	a	8.46		18.71		33.00		40.55		51.86	a	57.19		57.35		42.28	a	34.80	a	24.15	c	6.03		31.37
1982	-16.14	i	4.94	j	18.27	e	26.67		-----	z	-----	z	56.67	a	51.72	f	43.96	d	35.29	g	17.41	c	-----	z	32.59	g
1983	-----	z	15.95	g	23.43	a	27.87		37.83	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	29.71	i
1984	2.00	d	-----	z	13.44	f	32.46	d	40.80	f	53.31	d	56.00	g	58.10	k	40.00	k	39.14	j	21.90	i	2.86	c	22.66	h
1985	-5.11	d	1.58	b	23.13	a	-----	z	-----	z	-----	z	-----	z	52.62	e	46.59	c	30.74	d	-----	z	-3.84	f	24.92	f
1986	-----	z	1.85	a	23.26	h	34.71	b	46.00	a	55.75	b	60.14	c	52.97	a	48.63		34.96	d	15.88	f	12.18	c	38.58	c
1987	9.86	c	20.44	a	22.70	a	35.93		47.57	a	54.59	a	60.44	d	54.13		46.92	f	29.43	a	24.46	d	16.66	b	34.20	a
1988	-3.29		-0.04	a	20.03		29.20		48.79	b	58.75	b	60.93	b	58.26		46.17		30.32		21.07	a	10.47	a	31.72
1989	6.24	b	-3.15	a	13.67	a	32.14	a	43.06		51.63	c	62.07	b	56.50	a	46.39	b	32.72	b	14.12	f	-2.07	a	30.84	a
1990	15.04	d	5.79		22.39	c	29.43		41.71		-----	z	56.10	b	54.63	d	47.86	b	32.10	b	21.07	a	4.33	a	30.04	a
1991	-----	z	-----	z	18.68		35.25	n	48.78	d	58.45	a	59.10		59.07	a	-----	z	-----	z	-----	z	13.26		42.89	f
1992	9.97	b	19.25	a	24.06		30.20		46.61		53.38	a	54.42		51.17	a	45.17	a	31.52	d	22.07	a	4.50	a	32.69
1993	-3.43	c	2.86		20.18	c	32.14	a	44.17	b	52.75	b	59.16		58.45		42.79	b	32.23		17.53		7.93	b	30.56
1994	-10.32		-4.57		24.90		32.77		48.45	b	56.57		58.33	a	55.61		50.73		39.61		25.28	e	13.68		32.59
1995	5.25	c	9.14		20.17	a	30.45	a	45.03	a	58.39	b	59.71		63.00		47.41	a	36.63	a	15.93	a	7.07	c	33.18
1996	-7.19	d	6.24	d	12.47	a	28.73		42.70	a	56.80		-----	z	56.78	d	46.50		-----	z	7.46	d	-----	z	27.83	c
1997	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1998	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1999	3.86	j	15.15	a	-----	z	34.79	a	46.10	a	56.00		62.74		57.84		46.41	a	31.70	a	25.60		11.72	b	38.81	b
2000	0.13	a	15.04	b	23.26	l	31.04	b	47.84		54.00		59.87	a	57.13	a	43.59	c	36.71	c	18.50		-5.77	a	32.55	a
2001	8.58		-4.89		14.87		33.86	b	48.58		57.30		62.77		60.17	a	47.43	b	33.45		30.43		15.00		33.96
2002	11.07	b	17.19	a	8.35		31.97		39.10		58.40		63.83	a	58.63	a	51.93	a	29.84		22.03	a	14.33	d	33.89
2003	2.26		0.36		16.23		32.72	a	42.26		54.37		59.87		58.29		46.13		34.62	g	18.29	b	14.19		31.36	a
2004	-1.10		8.71	a	24.26		30.83	a	42.27	a	52.43		58.32		52.23		52.07		37.87		26.10		12.19		33.02
2005	0.74		13.11	a	19.00		34.97		44.90		59.67		60.58		57.35		52.50		35.68		25.24	e	13.06	m	36.70	a
2006	17.64	c	8.61	e	23.60	a	39.53		47.97	a	55.79	b	61.84		58.55		44.21	a	28.06		17.44	c	15.37	d	34.88
2007	11.46	r	0.12	c	24.38	b	29.59	a	46.27	a	56.83		61.03		56.47	a	46.52	a	38.97		26.83	f	-----	z	40.02	c
2008	-----	z	2.95	h	15.00	b	27.87		40.45		52.20		57.55		56.03		46.87		34.68		21.00		-2.19		34.94	b
2009	-7.32		3.46		13.77		29.83		40.61		52.77		53.94		53.43	a	-----	z	-----	z	-----	z	-----	z	30.06	d
Period of Record Statistics
MEAN	1.50		5.51		18.52		32.56		44.49		54.56		59.35		57.03		47.54		35.96		21.54		8.36		32.36
S.D.	7.24		7.08		5.37		3.35		3.71		3.19		3.25		3.38		3.18		4.11		4.81		5.99		2.15
SKEW	0.09		0.03		-0.27		-0.13		0.17		0.03		0.25		0.10		0.03		-0.00		-0.64		-0.29		-0.37
MAX	17.64		24.00		30.65		40.97		55.52		62.60		69.39		65.90		54.83		46.52		30.63		21.50		37.28
MIN	-12.65		-13.45		3.90		23.77		34.03		47.80		51.19		50.32		40.00		25.94		7.07		-5.77		26.62
YRS	103		108		109		110		107		107		107		111		108		103		104		105		79