CASTLEWOOD, SD

Average of Minimum Temperature (Degrees Fahrenheit)

(391519)

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
1893	-10.54	e	-7.44	a	8.40	a	26.33	c	38.61		50.83		53.16		50.03		41.83		22.57	x	11.32	b	-1.71	c	23.71	a
1894	-9.00	c	-1.65	b	18.61	c	29.68	k	39.94	m	51.83		53.57	a	51.76	j	-----	z	31.00	k	14.92	d	12.74		20.15	e
1895	-9.62	e	-5.12	b	13.11	d	36.07		44.96	c	48.57		51.81		50.00		44.64	b	26.55	b	15.43	b	5.83	a	26.85
1896	3.52	d	9.04	d	7.83	b	33.77		-----	z	49.77		50.29	c	50.23	a	38.14	p	28.19	d	3.32	e	10.94		24.69	b
1897	-3.44	d	0.67	a	6.93	c	32.10		39.20	a	48.97		58.19		49.12	e	52.00	b	34.97	b	11.31	q	4.72	b	29.40	a
1898	8.03		5.71	n	18.19	e	29.44	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	18.56	i
1899	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1900	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1901	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1902	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1903	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1904	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1905	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	25.50	b	11.94		18.72	j
1906	9.19		6.50		12.03		35.47		43.45		51.00		53.10		56.52		50.10	a	33.35		20.80		9.03		31.71
1907	-6.84		6.82		21.03		23.67		34.29		51.10		55.06		53.13		41.97		29.68		20.47		9.16		28.29
1908	6.19		6.90		18.55		32.03		41.26		51.57		55.03		50.58		50.00		34.29		22.67		9.97		31.59
1909	1.55		7.46		20.23		24.93		40.52		53.90		57.55		59.68		45.67		33.71		21.53		1.39		30.68
1910	2.84		-2.21		31.03		33.97		36.77		51.23		55.23		51.68		45.17		36.87		-----	z	7.81		31.85	a
1911	-4.06		6.86		21.48		30.63		44.42		57.43		54.03		52.81		46.77		34.29		10.67		11.10		30.54
1912	-11.74		5.03		9.48		32.73		43.94		48.43		57.45		53.39		43.87		32.68		21.47		9.77		28.88
1913	-0.32		-0.54		11.03		33.33		41.68		54.90		56.35		57.77		47.13		28.58		27.27		13.19		30.87
1914	8.35		-4.54		18.52		31.10		44.55		54.43		60.06		54.58		47.33		39.52		21.73		-2.26		31.12
1915	0.42		15.89		16.45		40.20		40.26		47.48	a	52.61		48.84		46.33		34.74		21.97		8.87		31.17
1916	-9.06		-1.34		18.45		30.93		42.35		48.60		64.65		56.81		45.30		30.74		18.10		-3.35		28.51
1917	-3.00		-3.96		17.77		30.30		36.90		48.57		57.00		52.16		46.13		26.35		26.43		-2.84		27.65
1918	-6.94		3.54		25.61		27.37		44.19		53.90		55.42		56.35		37.87		37.35		25.30		15.65		31.30
1919	14.35		7.82		19.06		33.40		42.71		58.53		60.32		53.97		48.70		29.90		15.53		4.23		32.38
1920	1.32		8.00		18.35		25.73		43.35		54.57		56.97		51.58		49.50		39.77		21.83		12.13		31.93
1921	11.52		13.18		21.16		33.80		43.81		58.17		59.55		55.35		47.60		35.10		15.37		12.13		33.89
1922	1.65		-5.68		21.29		33.00		47.42		54.27		54.97		57.10		48.40		35.61		28.53		5.81		31.86
1923	8.32		0.00		11.45		30.30		42.45		56.13		61.16		53.26		49.60		32.32		24.57		14.71		32.02
1924	-4.23		9.17		15.58		30.90		35.03		49.97		52.35		54.19		44.03		39.94		19.87		-0.94		28.82
1925	-0.87		11.54		21.35		39.10		37.65		52.60		54.19		55.97		51.97		24.94		20.50		8.77		31.48
1926	2.71		15.75		15.94		26.20		47.23		49.43		57.77		56.52		45.70		34.77		17.47		4.65		31.18
1927	6.55		12.63	a	24.26		34.03		41.68		50.80		54.61		50.58		49.57		35.48		17.72	a	-5.58		31.03
1928	5.10		11.76		20.45		23.33		43.45		47.70		58.39		56.42		42.73		34.19		23.50		14.16		31.77
1929	-9.71		-5.39		23.74		33.40		38.58		50.53		57.97		55.13		44.57		35.42		17.43		8.03		29.14
1930	-8.10		19.04		19.13		34.33		42.71		51.50		58.97		58.52		45.10		34.52		22.07		14.32		32.68
1931	13.45		19.25		20.45		32.40		39.16		59.80		59.32		56.58		52.53		39.48		22.90		15.90		35.94
1932	4.13		9.07		12.45		35.53		45.42		56.70		57.77		57.68		43.40		32.13		18.87		2.87		31.34
1933	12.03		2.68		19.94		30.57		44.35		58.63		59.71		54.39		52.40		30.81		20.33		5.74		32.63
1934	10.83	a	8.86		15.35		31.03		51.58		56.70		60.39		54.48		42.37		39.71		26.03		8.00		33.78
1935	0.81		19.11		24.77		32.20		41.00		51.07		64.23		56.84		45.14	b	29.03		15.83	a	8.32		32.36
1936	-12.10		-18.00		20.29		25.90		49.16		53.47		63.68		59.73	a	49.40		29.10		17.87		10.42		29.08
1937	-11.52		-0.43		16.93	a	30.52	a	46.43	a	52.21	a	58.48		62.48		47.17	a	32.10		16.00		3.87		29.52
1938	-0.29		5.36		22.55		33.07	b	44.03		53.53		58.58		58.00		47.60		40.57	a	15.80		11.19		32.50
1939	9.19		-5.36		17.68		29.20		48.06		54.37		60.35		55.03		46.50		33.06		19.87		14.94		31.91
1940	-8.45		7.07		18.52		31.30		40.23		52.83		60.55		55.87		51.73		38.84		16.37		14.71		31.63
1941	5.84		4.46		19.03	b	40.47		48.32		54.53		61.45		60.45		51.87		36.55		22.37		15.45		35.07
1942	8.06		9.75		23.58		35.77		41.84		53.40		56.06		56.71		44.03		32.87		20.17		3.39		32.14
1943	-6.17	a	7.00		11.77		30.57		38.48		54.80		57.52		56.87		42.17		32.29		21.77		9.06		29.68
1944	11.32		5.90		15.00		28.83		47.32		53.57		54.29		54.39		44.97		31.90		26.23		9.10		31.90
1945	5.90		9.31	b	25.77		28.30		37.60	a	48.83		56.06		55.52	b	46.17		32.00		19.20		0.33	a	30.42
1946	1.55		4.00		29.41	b	36.69	a	42.55	k	53.73		58.29		52.35		45.83		34.55		19.20		10.45		31.46	a
1947	8.87		1.71		17.23		30.93		38.32		51.07	b	55.86	b	61.16		-----	z	39.90		13.43		3.42	e	29.27	a
1948	-5.56	f	-2.86	g	11.38	b	34.68	b	-----	z	48.76	e	55.71	c	62.09	i	52.26	c	35.19	d	24.76	m	6.67	a	34.95	e
1949	-1.74	d	-4.12	d	19.76	b	30.46	d	44.04	f	52.15	c	54.60	p	55.38	e	40.67	c	33.91	h	26.88	d	5.52	b	25.00	c
1950	-----	z	6.25	d	15.42	g	-----	z	42.36	c	52.20		53.48		52.06		46.83		36.87		15.17		3.23		34.27	c
1951	-3.55		10.00		9.52		31.07		42.00	c	48.90		55.70	d	54.39	c	42.48	i	33.74	d	15.56	c	1.45		27.16	a
1952	-2.48	b	10.07	a	13.76	b	33.26	c	40.96	d	56.39	b	57.86	b	55.45		45.41	a	27.23		19.86	a	11.23		30.75
1953	3.45	b	11.50	d	21.28	b	28.30		41.65		55.80		55.21	b	57.94		44.59	c	37.07	b	23.17		6.07	b	32.17
1954	-5.19		22.20	c	15.75	c	30.77		37.71		54.45	a	58.22	h	55.38	b	47.59	c	34.48		25.89	b	13.17	a	30.20	a
1955	4.30	a	0.73	b	13.72	b	36.39	b	46.43	c	51.83	a	61.93	b	59.59	b	45.75	b	34.03	a	9.83		-2.39		30.18
1956	-1.80	a	-3.70	b	13.29		25.27		43.10		57.70		55.04	d	55.10	a	41.93	b	37.07	c	18.50	b	12.45		29.49
1957	-6.97	a	6.15	b	18.03	a	29.53		42.24	b	51.28	a	61.76	b	57.00	b	43.47		36.47	a	23.03		14.55	b	31.38
1958	9.33	a	1.81	a	21.35		30.59	a	43.19		47.22	c	53.69	b	52.88	e	47.46	b	33.82	c	16.73		2.10	a	30.02
1959	-2.68		-0.78	a	21.41	b	29.70		43.52		55.27		54.52		59.55		45.48	a	29.26		11.53		17.00		30.32
1960	0.93	a	3.28		2.45		31.50		40.85	d	50.53		56.31	b	57.42		46.14	a	33.77	a	20.70		4.47	a	29.03
1961	-1.61		9.54		24.63	a	25.80		40.07	a	51.03	a	52.61		55.29		43.00	d	32.81		16.67		0.59	b	29.20
1962	-3.52		3.21		15.23	a	28.43	b	46.17	b	53.63		56.23	a	54.69	b	42.50	b	35.06		24.77		8.03	b	30.37
1963	-9.20	a	4.21		23.14	b	33.77		42.93	a	56.14	a	59.17	b	56.29	c	48.70		41.87	a	21.21	a	-0.68		31.46
1964	8.03		10.59		11.68		33.38	a	45.17	a	52.11	b	60.68		53.53	a	45.00	a	31.80	a	16.67		0.39		30.75
1965	-5.06		-0.93		7.23		32.43		45.27	a	53.50		57.66	b	55.03	a	39.64	b	36.16		18.90		17.06		29.74
1966	-7.52		2.36		23.07	a	26.77		38.17	a	52.57		61.67	a	52.83	b	44.72	a	31.74		16.50		6.34	b	29.10
1967	3.40	a	-2.26	a	22.41	b	32.20		37.19		52.83	a	53.60	a	51.87	a	45.59	a	32.55		18.31	a	6.68		29.53
1968	2.29		3.76		23.45	b	31.48	a	39.13	a	53.52	a	-----	z	56.34	b	45.50	b	35.42		23.36	b	6.10	a	29.12	a
1969	-5.33	a	9.19	a	5.67	a	33.59	a	44.77	a	47.07	c	57.90	b	57.67	a	46.97		32.62	b	22.50		11.00	a	30.30
1970	-6.39		5.46		15.43	a	30.31	a	43.55		55.33		57.26		57.14	b	47.10		34.17	a	21.86	a	3.61		30.40
1971	-3.39		5.07		19.23		31.07	a	39.31	b	57.83	a	53.06		53.83	a	45.32	b	37.42		21.31	a	5.77		30.49
1972	-5.23	a	0.04	b	18.67	a	30.66	a	47.87	a	52.69	a	56.74		56.77		44.86	a	32.30	a	23.27		0.97	a	29.97
1973	5.50	a	12.93	a	28.31	b	30.93		40.55		52.77		58.23		60.00		46.52	a	39.16		22.34	a	5.23		33.54
1974	-2.39		7.30	a	20.29		33.23		42.28	b	50.73		62.03	a	53.23	a	40.17	a	34.81		21.23		8.93	a	30.99
1975	2.74		2.92	b	12.06		31.10	a	44.58		54.00	a	59.45		57.87	a	42.38	a	35.45		21.83		8.23		31.05
1976	0.19		15.57	a	20.03		35.13		40.00	a	53.30		58.58		58.76	b	45.20		28.68		12.53		0.90		30.74
1977	-11.20	a	11.41	a	25.03		37.20		51.42		54.41	a	59.74		52.77		48.52	a	33.61		16.73		3.13		31.90
1978	-11.17	b	-2.26	a	15.60	a	34.10	a	44.23		52.59	a	57.67	a	55.07	a	50.34	a	32.81		15.37		3.20	a	28.96
1979	-10.87	a	-7.71		15.90		30.31	a	38.48		52.97		58.32		55.07	b	46.40		31.54	c	19.57		13.71		28.64
1980	3.29		5.50	a	14.60	a	31.46	d	43.20	a	53.70		56.87		57.37	a	46.07	a	33.23	a	22.67	c	9.21	b	31.43
1981	4.61		11.50	b	21.86	b	35.45	a	41.52	b	52.45	a	58.64	c	57.43	a	45.34	a	35.55	b	24.45	a	5.93	c	32.89
1982	-10.40	a	5.57		20.23		28.59	a	48.17	b	48.60		60.13		56.73	a	47.21	a	35.69	b	18.07		14.17	a	31.06
1983	8.87		17.37	a	24.83	a	29.34	a	40.00		54.13		62.61		63.10		48.10	a	37.06		25.83	a	-7.65		33.63
1984	5.48		19.14		15.35		33.57		42.10		55.40		57.90	a	58.74		41.73		38.93	a	22.53		5.48	b	33.03
1985	-2.45		3.74	a	25.13	a	35.97		48.53	a	48.56	c	56.62	b	54.00		47.28	a	32.94		11.24	a	-4.18	c	29.78
1986	10.04	c	3.93	a	22.61		36.03	a	46.23	a	56.60		61.39		54.13	a	49.23		-----	z	11.55	j	10.21	c	35.04	b
1987	9.50	c	20.50		24.84		35.93	a	48.63	a	54.93	a	61.47	a	53.23	a	46.27		27.97		24.59	a	14.61		35.21
1988	-8.39		-2.89	a	20.90	b	27.77		48.68		58.31	a	60.27	a	57.52		45.47		27.16		20.37		6.77		30.16
1989	5.73	a	-6.82		14.45		31.47		41.26		49.70		61.23	a	56.58		43.11	b	29.10		16.79	b	-3.19		28.28
1990	11.90	a	6.79		22.26		28.14	a	41.17	a	54.20		56.87	a	56.00	a	47.33		28.81		20.70		1.10		31.27
1991	-1.65		13.36		21.00		34.07	a	48.35		59.80		58.03		57.13		46.17	a	29.00		13.40		12.37	a	32.59
1992	9.68		19.59	b	21.87		28.03		43.39		50.97		52.23		50.97	b	42.73		30.45		20.97		3.42		31.19
1993	-4.06		-1.07		12.81		29.40		42.47	a	50.45	a	57.10		55.74		40.00		30.35		15.47		6.77		27.95
1994	-10.13		-6.74	a	21.23		30.43		45.42		54.72	a	55.55		52.93	a	48.10		35.87		22.57		11.29		30.10
1995	5.13		0.94	j	19.90		28.70	c	41.48		55.87		57.45		60.07	d	41.57		-----	z	15.93	c	9.60	a	33.57	b
1996	-5.84		-0.79	j	10.06		26.43		41.61		55.23		54.77		55.26		45.53		31.26		10.33		-1.39		29.39	a
1997	-8.20	a	4.56	a	14.52	b	27.30		38.13		55.00		59.45		55.55		46.97	a	34.48		16.57		14.71		29.92
1998	5.48		18.92	b	17.03		32.90		47.94		51.60		58.80	a	57.71		48.72	a	36.07	b	26.53	m	15.77	i	37.52	b
1999	-1.07	a	15.89		22.10		34.37		44.64	c	56.29	b	61.77		55.42		44.63		31.83	a	26.16	e	12.17	a	33.68
2000	5.00	d	14.93	a	26.26	d	31.20		45.83	a	52.38	a	58.14	b	55.68	c	42.48	c	36.24	f	17.12	d	-6.50	q	34.90	b
2001	3.36	c	-4.77	b	10.73	e	32.92	d	46.31	e	54.58	d	61.55	b	-----	z	46.07	b	30.83	a	26.42	d	13.52	b	29.23	a
2002	7.48	b	13.21	d	7.85	e	28.04	d	37.32		58.24	e	62.59	b	56.29		47.40		-----	z	18.88	e	12.45	b	31.79	a
2003	2.45	b	0.00	a	14.48	b	32.79	b	40.93	a	52.47		56.93	c	56.81	e	41.82	b	32.83	b	16.62	a	11.79	c	29.99
2004	-2.69	b	8.81	b	23.20	a	28.14	a	41.90	a	49.50		55.50	a	50.17	a	49.83		34.53	a	24.55	a	12.66	b	31.34
2005	0.45		11.32		16.93	a	33.45	a	42.86	c	58.17		59.81		54.48		48.89	b	33.40	a	21.21	b	7.03	a	32.33
2006	15.77	a	6.96		21.16	f	35.00	a	44.81		53.00		58.77		55.50	a	42.04	c	27.55	b	17.63	c	12.48		33.59	a
2007	5.32		-1.61		20.48	f	28.63	c	45.03		55.97		57.97		55.88	f	46.77	d	36.70	d	18.87		0.93	b	29.46	b
2008	-4.69	b	-1.83		12.81		25.57		39.90	b	48.17		57.65		54.26		43.60	j	28.83	b	16.30		-6.45		24.59	a
2009	-8.65		2.22	a	13.55		28.27		39.07	a	49.53		51.59	b	51.35		45.72	a	28.26		19.27		0.20	a	26.70
2010	-2.35		-2.48	g	22.22	h	35.70		43.68		54.30		59.52		59.71		44.77		32.55		20.70		3.35		35.19	b
2011	-4.94		1.18		12.26		31.03		43.03	a	54.23		64.42		57.04	d	44.97		37.77		-----	z	-----	z	34.10	b
Period of Record Statistics
MEAN	0.22		5.44		17.89		31.41		42.77		53.01		57.65		55.46		45.95		33.53		19.56		7.02		30.93
S.D.	7.06		7.55		5.47		3.39		3.52		2.99		3.06		2.84		3.00		3.58		4.44		5.79		1.76
SKEW	0.08		-0.02		-0.29		0.05		0.12		0.09		0.00		-0.02		0.03		-0.05		-0.55		-0.38		0.20
MAX	15.77		22.20		31.03		40.47		51.58		59.80		64.65		63.10		52.53		41.87		28.53		17.06		35.94
MIN	-12.10		-18.00		2.45		23.33		34.29		47.07		50.29		48.84		37.87		24.94		3.32		-7.65		26.70
YRS	110		107		108		110		106		111		108		107		106		104		106		109		86