FORT DUCHESNE, UT

Average of Minimum Temperature (Degrees Fahrenheit)

(422996)

File last updated on April 24, 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
1887	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-3.90	a	-3.90	k
1888	-8.37	a	9.04	a	20.58		31.20		38.77		46.60		54.65		49.74		43.47		32.23		22.67		11.29		29.32
1889	-7.68		0.75		26.58		36.33		40.90		49.30		53.65		53.90		40.40		33.10		16.73		25.87	a	30.82
1890	0.39		20.82		24.61		33.77		43.27	a	42.20		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	27.51	f
1891	4.90		-----	z	-----	z	-----	z	42.53	a	45.48	i	52.03		50.61		44.03		25.76	b	19.33		7.52		30.84	d
1892	-0.26		17.48		24.03		30.40		37.52		42.76	a	50.97		47.81		42.17		-----	z	17.57	g	-----	z	32.54	c
1893	-----	z	-----	z	-----	z	-----	z	49.69	r	59.23		57.39		53.84		43.13		31.87		16.87		15.35		39.67	e
1894	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1895	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1896	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1897	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1898	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
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	-0.52		13.50		20.81		29.90		39.81		47.30		47.29		50.14	i	-----	z	17.65		13.14	a	5.68	f	25.43	c
1903	-----	z	-14.83	j	15.52	d	26.79	a	35.32		46.10		49.29		47.71		38.57		28.19		14.00	i	2.72	f	35.94	d
1904	-----	z	20.28	k	24.03		34.70		39.94		45.33		50.58		50.87		39.07		29.19		13.40		5.23		33.23	b
1905	3.90		6.54		28.90	a	32.60		37.35		42.73		50.77		51.00		40.90		28.58		24.33		-0.32		28.94
1906	-4.97	a	3.43		24.19		34.30		39.55		42.87		51.90		51.74		43.90		29.48		21.03		8.55		28.83
1907	5.97		16.64		27.97	b	-----	z	36.97		41.03		50.10		47.29		-----	z	-----	z	19.77		9.53	a	28.36	c
1908	-4.55		-6.15	c	21.70	a	25.29	w	31.94		39.21	a	49.35		48.52		37.03		26.65		14.93		-4.28	b	23.12	a
1909	-6.11	c	-7.04		11.38	e	27.63		35.55		44.07		52.26		53.06		43.53		28.45		21.70		-7.94		24.71
1910	-8.03		-4.64		26.71		31.57		37.77		45.00		51.65		49.55		44.20		29.77	a	24.37		12.87		28.40
1911	14.77		10.43		24.06		30.64	b	36.77		47.20		50.48		46.84		41.90		30.93	a	15.32	b	-1.81		28.96
1912	3.33	a	13.57	a	14.90	b	28.60		36.45	b	44.80		51.87		48.77		34.00	a	-----	z	14.42	r	5.39		28.17	b
1913	2.04	h	9.32		20.48		31.70		40.61		46.07	a	54.13		49.71	j	48.31	d	28.33	a	19.74	c	13.67	a	31.24	b
1914	10.34	b	3.19	a	25.16		32.93	c	38.64	c	45.10		54.55		49.42		43.62	a	33.33	a	17.41	h	0.31	b	30.60	a
1915	-3.10	a	9.89	a	25.20	a	36.97		37.13		43.20		51.87		52.61		44.50		30.70	d	16.24	a	11.90		29.76
1916	-2.13		-4.14	a	19.69	b	32.23	d	32.45		-----	z	51.13	a	53.23		-----	z	-----	z	-----	z	-----	z	26.07	e
1917	-----	z	0.54		11.10		23.43		35.19		44.33		55.16		46.55		38.23		25.39		13.97		9.19		27.55	a
1918	3.52		7.39		24.48		29.57	b	41.21	b	53.81	c	51.83	a	46.00	c	42.03		37.16		18.50		6.97		30.21
1919	-6.81		9.00		20.72	b	-----	z	-----	z	-----	z	-----	z	-----	z	43.63		25.05	i	-----	z	-----	z	16.64	h
1920	-----	z	-----	z	23.57	a	30.40		40.90		40.80		51.16		47.94		38.20		29.45		21.50		7.40	a	33.13	b
1921	7.74		12.04		22.94		27.17		38.74		46.87		51.32		49.23		36.30		30.67	a	17.60		12.32	c	29.41
1922	-10.10	a	2.85	a	17.03		27.57		35.33	a	43.87		49.58		52.65		39.87		27.94		20.40		13.55	b	26.71
1923	9.48	b	-6.65	b	12.94		29.90		36.94		40.70		52.42	g	50.16		39.43		26.40	a	19.63		5.19		24.01	a
1924	-13.06		15.34		17.14	b	24.77		34.23		41.38	a	48.29		45.10		37.77		27.77		16.50		-1.61		24.47
1925	-5.65		15.79		21.27	e	30.13		40.29		45.53		54.45		52.81		40.43		29.87		17.79	a	8.35		29.26
1926	-1.16		12.81	a	20.35		29.23		37.48		43.90		48.35		46.90		37.13	g	27.77		18.31	a	6.42		26.40	a
1927	3.48		13.64		22.71		27.70		34.58		45.10		52.27	a	49.13		-----	z	30.52	h	24.40		7.45		28.05	b
1928	4.74		12.96	d	22.06	m	25.33		41.13		40.43		46.00	a	41.52		37.30		31.52		24.37		6.42		28.34	a
1929	-3.48		-1.11		21.42		28.33		34.45		39.50		51.81		53.04	e	40.93		30.06		10.90		8.87		26.23
1930	-10.90	a	12.54		19.10		32.43		35.71		42.07		50.87		49.55		40.57		26.61		6.63		-9.03		24.68
1931	-6.39		14.50		15.77		26.53		33.90		45.53		49.81		46.29		38.87		28.68		10.23		-7.40	a	24.69
1932	-12.65		0.34		15.83	a	30.67		37.77		45.23		52.74		51.00		39.97		28.45		16.27		-5.87		24.98
1933	-3.88	g	-9.19	b	20.45		26.43		34.03		45.62	f	53.26		47.48		42.93		30.61		18.27		13.42		27.77	b
1934	12.45		20.93		23.74		30.83		40.65		44.67		53.84		53.26		37.77		30.68		20.57		11.23	a	31.72
1935	10.94		14.71		19.26		28.50		37.87		46.43		52.29		49.71		41.10		26.90	a	13.50		8.71		29.16
1936	7.97		13.59		21.35		31.47		39.70	a	51.83		58.03		55.23		41.60		33.23		15.23		7.94		31.43
1937	-21.08	g	-6.11		17.26		29.80		41.58		47.30		55.90		51.32		44.47		31.94		19.97		15.35		31.71	a
1938	13.77		16.79		23.77		31.37		38.32		48.60		51.65		51.35		46.60		33.81		15.33		13.32		32.06
1939	2.84		-7.57		17.23		32.40		40.74	l	43.39	g	51.65		48.42		45.63		30.81		17.87		12.71		25.20	b
1940	5.53	a	7.36	d	24.91	h	33.68	k	43.00	o	48.28	e	46.19		42.27	a	46.33	f	33.35		18.30		8.53	a	26.23	d
1941	3.23		11.89		23.16		31.50		41.48	b	45.42	k	51.94		52.32		39.18	b	33.79	b	20.00	d	15.55	b	29.46	a
1942	0.86	b	-2.05	i	6.16		27.58	d	36.10		43.87		51.74		47.97		38.55	a	31.67	a	15.97	a	9.35		28.16	a
1943	7.65		10.96		17.26		33.57		37.48		44.53		51.48		53.65		41.13		31.16		17.40		13.80	a	30.01
1944	-6.63	a	0.72		17.90		30.50		40.39		43.83		49.94		46.39		39.03		32.55		21.00		8.03		26.97
1945	12.10		17.57		20.52		24.20		36.61		41.33		51.97		53.58		39.97		32.34	b	15.73		6.71		29.39
1946	4.12	g	7.86		21.61		34.43		36.23		42.56	e	52.00		51.13		40.33		30.21	b	22.47		15.57	a	32.22	a
1947	-0.61	c	15.46		22.45	b	29.63		39.67	a	44.67		50.61		51.55	i	43.19	i	34.74	h	16.81	d	7.97		25.18	c
1948	-1.87		4.21		16.93	b	31.00	j	37.19	d	45.43		48.83	b	49.16	f	40.13		30.08	g	15.43		5.19		23.50	c
1949	-11.77	a	-9.07		23.60	a	32.12	d	39.93	a	45.67		49.71		47.42		39.13		32.00	d	20.60		0.90		25.85
1950	-8.03		-1.46		20.65		29.70		33.39		39.23		49.43	a	45.10		42.00	c	29.85	e	18.46	b	18.52		26.40
1951	2.94		12.96	a	17.63	a	28.81	c	38.52		42.33		50.42		49.55		37.45	a	32.13		18.53		4.39		27.97
1952	-9.14	c	-6.10		12.77		31.21	f	36.80	u	-----	z	45.17	h	52.88	w	40.32	e	27.06		12.40		7.16		12.07	e
1953	4.45		12.18		19.74		26.93		33.10		44.43		53.26		48.52		39.30		29.19		20.43		10.45		28.50
1954	9.71		17.46		20.32		28.90		40.97		44.70		53.58		46.81		44.80		31.81		22.82	b	2.29	c	30.35
1955	-4.71		-6.32		16.84	f	-----	z	-----	z	43.46	d	48.57	j	53.17	h	38.74	g	28.30	a	15.93	c	14.34	b	15.17	f
1956	13.68		7.74	b	17.86	c	29.66	a	40.35		44.47		50.86	c	46.48	b	37.63		29.35	e	12.13		-1.00	c	27.43
1957	-4.32		4.11		23.26		30.00	c	39.16		45.32	b	51.62	b	51.90		36.27		33.43	c	18.73		11.81	d	28.44
1958	6.19		19.50	b	22.45		26.36	b	39.25	c	45.89	c	46.68		50.34	b	39.83		26.11	d	16.83		13.13		29.38
1959	7.90	b	12.63	a	18.04	c	29.04	d	37.32	c	47.48	c	49.39		48.52		39.90	a	27.76	b	15.21	b	10.90	b	28.67
1960	-2.41	b	-5.79		18.48		28.17		36.19		42.46	d	49.81		44.58		42.61	b	30.41	b	20.29	b	6.35		25.93
1961	1.90	b	11.07	a	20.71		28.03		37.10	a	47.17		51.48		53.68		38.34	a	29.93	b	18.30		6.35		28.67
1962	-5.06		13.39		16.63	a	32.40		37.83	a	45.57		51.32		46.68		40.70		31.63	a	21.20		8.26		28.38
1963	-3.84		16.04	a	17.68		29.33		39.55		43.97		51.13		52.94		43.67		35.29		19.93		4.77	a	29.20
1964	2.26		6.14	a	14.35		30.07	a	38.32		47.17		52.06		48.77		37.77		28.26		12.47		4.10		26.81
1965	1.23		6.21		16.39		33.47		38.29		44.90		53.97		49.42		36.93		31.52		26.57		13.81		29.39
1966	3.90		7.63	a	20.19		28.47		38.55		45.10		52.77		47.61		42.83		27.48		21.07		-1.52		27.84
1967	-4.97		-0.59	a	23.42		29.00		36.68		45.90		52.94		50.77		41.76	a	27.70	a	18.47		-2.19		26.57
1968	-10.00		8.59		22.29		27.37		37.42		45.07		50.97		47.10		36.63		28.65		17.07		2.29		26.12
1969	11.10		9.93		16.52		30.76	a	40.77		46.53		52.00		50.63	d	43.70		27.23		16.30		8.77		29.52
1970	3.39		16.79		20.10		24.70		36.13		46.70		51.77		52.83	a	35.50		23.81		20.07		7.68		28.29
1971	6.19		15.29		18.26		27.40		37.90		44.80		50.69	e	51.90		34.39	b	28.27	a	16.24	a	8.70	a	28.34
1972	10.94		13.04	a	24.12	e	28.07	a	37.37	a	49.03		51.04	h	49.38	e	41.07	b	35.23	a	22.86	a	-2.55	b	28.05	a
1973	-13.00		-4.26	a	21.38	b	29.48	a	37.32	c	44.45	a	51.48	d	49.55		37.69	a	28.60	a	20.31	a	2.03	b	25.42
1974	-10.03		-6.25		22.58		26.59	a	36.19	e	44.03	a	52.11	d	45.90		37.96	b	34.04	c	24.59	h	5.32	i	28.31	b
1975	1.03		9.36		23.21	g	25.26	c	36.30	a	44.30		55.43	a	44.67	d	38.85	d	-----	z	15.25	n	3.72	f	31.90	d
1976	-1.96	g	6.41	g	17.36	f	29.76	i	41.77		43.42	d	55.40	f	50.65		43.00		25.79	g	14.83	f	5.44	d	36.86	g
1977	6.39		8.94	l	19.60	f	32.59	a	39.00	a	49.81	d	55.81		51.68	c	42.40		31.40	a	20.08	d	13.00	e	34.21	b
1978	8.72	b	7.14		28.07	c	35.19	c	37.97	b	44.54	b	52.10	b	48.14	c	38.59	c	30.00	e	19.35	d	-8.65	k	31.80	a
1979	-9.17	b	-5.29	d	18.79	b	30.93	c	41.00	b	45.87		51.42		50.52	d	41.96	e	32.03	a	15.25	f	8.60	p	29.81	b
1980	9.90	u	-0.62	p	21.61	h	31.17	l	41.43	a	46.57	b	53.90		50.65		43.33		30.28	b	22.87		18.32		38.42	d
1981	14.10		14.60	c	25.10	b	34.70		42.81		50.13		55.13		52.20	a	46.87		32.23		25.70		17.03		34.22
1982	4.66	b	11.48	c	26.32	c	27.21	a	40.61		46.57		55.30	a	55.10		45.90		29.65		20.83		13.45		31.42
1983	10.29		12.57		29.41	b	29.20		38.65		49.20		53.33	a	57.42		44.59	a	33.27	a	20.69	a	5.77		32.03
1984	-5.44	f	-4.38		17.43	a	30.47		41.47	a	46.57		54.74		53.06		40.80		28.74		20.83	a	5.58		30.48	a
1985	-7.41	d	-4.92	d	20.30	a	34.20		41.97		49.03		56.37	a	49.10		39.90		30.83	a	21.89	b	9.06		28.36
1986	5.24	b	23.48	c	30.29		34.83		41.00		52.67		55.32		54.97		43.03		32.10	a	23.11	c	13.90	a	34.16
1987	7.72	b	20.96	a	23.94		32.73		44.23		49.77		53.90	a	51.52		41.34	a	34.84		24.70		8.87		32.88
1988	-2.69	b	5.07		23.26		32.27		41.26		51.90	a	56.19		52.81		40.25	b	35.57	a	23.03		9.23		30.68
1989	-2.39	c	2.15	h	25.39		36.10		39.94		47.97		55.42		52.52		42.07		32.45	b	22.21	a	8.29		32.72	a
1990	10.60	a	10.21		27.61	c	34.03		39.47	a	48.83	a	-----	z	-----	z	45.36	s	30.94		20.80		0.03	b	24.72	c
1991	0.81	j	10.47	i	23.13		30.10	a	38.97		47.41	a	53.29		54.42		45.37		32.90		21.67		11.23	a	35.85	b
1992	3.61		16.22	b	30.00		34.66	a	44.42		47.24	a	52.86	c	52.39		-----	z	33.19		19.87		3.65		30.74	a
1993	5.48		6.96	a	22.87	a	32.53		43.58		46.29	b	47.67	a	49.71		40.81	d	34.86	b	17.14	b	12.71		30.05
1994	13.97	a	13.59	a	25.97		32.71	f	40.90	a	49.31	d	54.96	c	56.90		44.54	b	34.97		21.70	c	18.67	a	34.13	a
1995	17.30	a	22.89	a	26.61	h	30.50	b	40.23	a	45.17	a	52.71		54.97	a	45.93	a	30.04	e	21.76	i	13.75	g	37.75	c
1996	5.50	k	15.32	j	25.00	k	31.52	c	35.10	a	50.27		-----	z	52.03	a	-----	z	31.25	g	23.52	e	12.95	i	38.49	g
1997	3.48	d	9.07	a	21.32		30.75	b	39.29	c	52.03		49.13		53.00	a	-----	z	32.97		-----	z	13.77	a	30.48	b
1998	15.83	b	23.25		27.32	l	29.67		40.16		35.73		57.47	a	53.00		47.13		33.36	i	26.30		-1.21	b	32.73	b
1999	9.23		19.25		22.94		25.59	a	34.58	e	42.17		59.14	b	51.14	b	41.00		32.52	f	21.60		11.03	a	30.70	a
2000	17.48		30.79	e	32.52	h	42.67	f	49.39		51.92	d	61.53	a	66.50	e	58.04	c	32.14	q	16.55	a	8.22	v	44.03	d
2001	6.83	h	17.00	o	26.94	n	31.39	l	40.00	k	47.10	i	55.68	i	54.61	h	42.94	m	30.21	q	21.31	n	3.62	r	-----	z
2002	2.61	m	6.40	m	18.38	o	31.94	n	38.50	s	49.73	o	56.30	h	50.35	n	46.71	m	31.50	o	19.83	l	11.33	m	-----	z
2003	8.39	m	15.25	h	27.37	l	33.06	m	39.18	n	48.40	j	56.14	i	56.27	p	41.33	r	37.00	m	20.21	p	10.53	p	-----	z
2004	-3.56	m	10.00	k	28.91	i	34.52	i	40.94	o	45.90	j	54.33	j	49.88	n	43.00	m	33.83	m	25.10	a	-----	z	25.10	k
2005	21.65	n	22.04		26.35		32.47		42.26		46.83		54.79	b	53.85	k	-----	z	35.30	k	23.62	a	12.16		32.57	d
2006	13.13		15.39		25.53	a	33.35	d	41.00		49.20		58.68		51.45		41.37		34.23		24.41	h	9.29		33.87	a
2007	-7.03		15.81	a	26.71		32.23		41.68		49.03		58.20	a	54.61	c	44.93	a	31.37	a	20.50		0.43	a	30.71
2008	-6.29		4.32	a	19.65		25.33		-----	z	45.90		54.92	g	53.58		42.60		32.58		23.77		6.48		24.79	b
2009	3.86	c	19.32	f	23.00	a	30.73	d	42.19	e	45.00	s	54.88	e	50.43	c	46.13		29.68		18.60		-4.94		29.46	b
2010	0.81		4.54		19.39	h	-----	z	-----	z	50.00	o	56.50	k	52.00		44.43	w	-----	z	20.77		18.35		19.29	g
2011	-3.19		-1.46		24.71		29.86	a	39.06		45.40		56.08	e	53.20	f	45.46	b	34.39		19.90		8.16		27.12	a
2012	11.35		17.45		24.42		33.40		39.48		47.03		56.55		54.58		45.53		33.84		24.07		11.87		33.30
2013	-9.19		0.61		21.77		31.30		41.42		48.77		59.42		55.58		51.20		33.55		24.50		-2.48		29.70
2014	4.16		18.04		25.97		32.63		40.68		47.30		57.74		53.16		47.77		35.19		20.13		19.94		33.56
2015	15.77		22.21		27.81		31.53		41.77		52.43		53.16		53.48		45.47		39.60	a	20.97		5.87		34.17
2016	3.45		11.66		25.42		34.20		40.48		51.70		53.10		51.06		43.93	b	36.19		26.20		12.65		32.50
2017	7.29		17.96		29.03		31.33		38.61		50.10		57.26		53.06		45.93		27.71		23.40		10.77		32.71
2018	13.10		14.89		23.33	a	31.10		42.19		48.57		58.61		53.16		44.47		35.29		17.50		13.21	b	32.95
2019	4.06		3.25		22.39		33.97		37.32		45.97		54.29		52.71		44.53		22.94		20.10		15.32		29.74
2020	5.96	h	11.10		27.19		29.10	a	42.18	i	50.23		54.94		55.74		43.07		30.77		19.83		4.71		32.67	b
2021	3.00		13.82		24.67	a	30.90		42.35		52.86	a	60.87		51.77		45.93		34.94		24.37		14.90		33.37
2022	11.32		8.54		21.97		29.53		38.52		49.03		59.00		57.61		48.27		35.10		17.27		6.13		31.86
2023	5.48		-5.89		16.68		27.87		42.48		47.40		56.32		57.23		44.30		31.45		21.40		13.45		29.85
2024	13.29		20.61	a	25.29		30.09	h	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	19.73	i
Period of Record Statistics
MEAN	2.21		8.77		21.58		30.35		38.86		46.09		52.90		50.84		41.83		30.77		19.37		7.90		29.28
S.D.	7.89		8.91		4.34		2.85		2.83		3.47		3.09		3.51		3.63		3.21		3.72		6.53		2.57
SKEW	-0.07		-0.31		-0.54		-0.09		0.13		0.37		0.40		0.49		0.81		-0.53		-0.52		-0.39		0.05
MAX	17.48		30.79		30.29		36.97		49.39		59.23		61.53		66.50		58.04		39.60		26.57		25.87		34.22
MIN	-13.06		-9.19		6.16		23.43		31.94		35.73		46.00		41.52		34.00		17.65		6.63		-9.03		24.47
YRS	109		112		111		110		115		115		113		113		109		107		111		112		66