FONTENELLE DAM, WY

Average of Maximum Temperature (Degrees Fahrenheit)

(483396)

File last updated on November 10, 2025
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
1963	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	86.00	a	83.61		76.31	a	67.68		46.29	b	35.00	b	65.81	f
1964	29.94		33.07	a	38.55		-----	z	-----	z	-----	z	89.04	c	82.87	a	74.33		64.77		40.57		30.03		53.68	c
1965	30.39		35.04		37.16		53.73		61.17	a	70.67		82.84		79.19		63.13		67.14	b	46.43		30.58		54.79
1966	26.16		27.96		44.23		54.30		69.97		75.57		88.39		82.00		74.13		55.61		46.33		26.81		55.95
1967	31.81		33.75		43.71		52.66	a	62.48		69.70		84.32		84.90		75.07		61.77		43.37		25.71		55.77
1968	28.58		35.90		47.00	f	50.44	e	62.38	b	74.93		84.84	f	77.39	m	69.31	d	60.68	f	42.05	j	27.35	h	53.59	f
1969	31.77	i	29.33	j	31.65	k	58.27	h	72.86	j	71.90	i	86.10	j	87.52	j	74.85	d	51.80	f	49.17	l	38.76	j	74.85	k
1970	33.10	j	43.84	i	40.96	g	48.50	h	67.35	k	75.09	h	85.23	i	87.14	j	69.40	e	52.17	a	39.33		25.00		46.48	h
1971	28.33	a	33.21		38.48		52.47		62.97		75.20		83.19		86.16		68.83		54.81		32.57		21.67	a	53.16
1972	23.94		30.96	b	48.94		54.70		65.94		75.43		-----	z	82.84		70.50	b	-----	z	33.60		25.29		51.21	b
1973	19.31	b	-----	z	36.00		46.57		65.16		75.07		81.87		82.29		68.63		60.71		38.27		32.16		55.09	a
1974	25.48		-----	z	45.94		55.67		-----	z	79.33		82.81		81.81		74.23		62.60	a	-----	z	31.32		59.91	c
1975	29.68		34.57		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	57.23		39.83	a	35.23		39.31	g
1976	31.39		30.69		35.00		52.77		66.77	a	72.93		85.52		78.77		72.50		58.77		47.37		37.00		55.79
1977	30.23		43.11		39.39		58.50		61.16		81.59	a	82.65		78.19		72.03		60.10		42.20		34.13		56.94
1978	29.68		31.64		44.45		52.87		59.10		72.53		84.26		79.19		69.70		63.48		36.71	b	20.87		53.71
1979	14.80	a	25.79		37.16		52.70		63.58		74.90		84.19		79.97		77.07		63.03		35.53		32.90		53.47
1980	25.55		30.69		37.19		52.17		60.26		74.37		82.90		79.52		70.77		59.13		42.43		40.13		54.59
1981	36.94		39.43		46.55		56.87		61.23		74.33		83.94		84.58		75.30		53.55		46.83		37.03		58.05
1982	25.94		30.00	a	41.58		47.40		62.71		72.93		79.84		83.23		66.80		53.19		37.27		26.74		52.30
1983	33.68		35.11		41.81		45.20		56.81		70.03		79.94		82.74		71.40		59.90		38.48	a	19.10		52.85
1984	18.61		23.52		35.32		45.90		63.39		72.13		83.32		81.65		68.13		50.45		37.57		24.42		50.37
1985	22.19		26.96		38.52		57.23		66.94		76.57		85.10		80.71		64.40		56.81		32.53		23.29		52.60
1986	26.84		31.71		49.23		51.67		62.23		79.13		78.10		82.23		64.17		56.82	c	42.97		33.74		54.90
1987	25.50	a	36.50		41.39		61.53		66.48		74.40		79.45		78.45		74.60		62.87		42.43		29.60	a	56.10
1988	26.90		37.21		41.23		57.17		65.45		82.03		87.29		83.71		70.23		66.19		39.60		28.73	a	57.15
1989	30.97		20.86		45.65		57.23		64.77		72.93		87.00		79.77		70.53		59.97	a	43.55	j	34.15	k	58.97	b
1990	34.38	j	37.68	c	47.48		59.87		61.03		76.80		84.65		81.32		73.77		52.81		38.00		22.65	e	57.82	a
1991	23.62	b	40.00		42.74		50.90		61.26		71.63		81.26		78.03		67.40		55.10		36.41	c	22.63	a	52.58
1992	24.50	c	34.62		51.84		62.90		70.23		75.70		77.52		77.35		62.13		51.71		27.48	a	14.93	c	52.58
1993	13.67	a	11.70	a	31.06		41.87		56.45		61.03		70.90		73.79	b	64.90		52.53	a	33.59	a	24.16		44.64
1994	31.33	a	28.89		45.80	a	53.67		67.42		76.00		82.84		82.55		72.13		52.33	a	29.11	c	27.97		54.17
1995	24.45		35.19	a	38.61		44.17		54.10	a	68.45	a	77.26		81.52		68.62	a	54.57	a	46.31	a	33.26		52.21
1996	33.46	c	33.45		39.79	b	49.30		56.48		74.87		81.77	a	79.87		63.27		49.71		37.60		26.65		52.18
1997	23.84		23.71		37.23		41.63		61.58		69.47		73.71		73.58		63.23		48.81		31.55	a	14.94		46.94
1998	21.32		23.36		30.55		43.10		54.84		56.77		78.39		72.81		64.93	a	45.87		30.87		20.87		45.31
1999	24.23		24.52	a	35.74		38.47		50.23		62.60		74.23		73.52		61.03		56.48		44.13		28.97		47.84
2000	25.65		31.62		36.74		51.48	a	57.68		67.70		79.23		78.65		58.86	a	45.00		20.13		18.27	a	47.58
2001	18.90		21.56	a	35.13		44.10		58.35		66.40		75.87		75.45		65.33		48.48		33.20		14.13	a	46.41
2002	19.23	a	22.29		26.42		44.63		53.83	a	68.93		80.52		79.84		69.83		52.33	a	38.90		23.45		48.35
2003	27.29		18.63	a	32.30	a	47.20		58.35		66.86	a	82.10		76.84		63.77		57.90	a	24.96	c	24.24	b	48.37
2004	14.45	b	18.44	b	39.29		51.07	b	57.53	a	69.00	c	79.74		76.77		68.90		54.87		38.60		33.13	a	50.15
2005	26.74		26.32		39.60	a	53.43		60.65		70.17		85.29		79.29		70.33		58.80	a	43.82	b	29.00	b	53.62
2006	30.90	b	31.50	b	39.55		56.87		66.81		78.90		86.35		79.84		66.90	a	53.43	a	39.96	b	29.83	b	55.07
2007	21.93	c	35.93	a	50.70	a	56.00	a	66.03	a	84.73	o	88.16		82.48		70.72	a	58.13		47.28	a	26.24	b	54.87	a
2008	20.08	e	27.11	a	34.28	b	48.00	a	60.89	d	71.80		85.48		81.68		69.76	a	56.87	a	46.17	a	31.14	b	52.77
2009	36.76	b	35.89		42.60	a	51.76	a	63.84		68.67		81.43	c	78.97		74.60		48.63	a	46.86	a	-----	z	57.27	a
2010	30.70	a	32.29		45.30	a	50.43		55.39		69.12	v	-----	z	-----	z	75.40		60.58		40.89	b	30.71	c	46.85	c
2011	24.83	h	-----	z	38.06		45.68	e	55.23	a	70.07		81.48		83.68		73.77		57.74		36.04	b	27.81		56.96	b
2012	35.61		32.59		50.81		58.10		65.29		79.03		85.29		84.35		74.40		57.23		46.27		28.29		58.10
2013	25.42		32.82		43.97		48.27		63.52		78.67		85.48		83.19		68.73		52.84		41.87		27.71		54.37
2014	34.58		35.19	a	44.61		52.14	a	64.65		71.50		83.52		75.23		70.83		61.58		41.10		33.65		55.71
2015	37.06		42.71		52.97		54.87		59.39		79.97		78.65		80.13		75.17		61.94		39.20		26.65		57.39
2016	25.71		37.59		43.90		53.13		59.87		80.07		83.61		81.10		69.93		58.52		45.14	a	28.48		55.59
2017	17.97		30.70	a	44.74		51.17		64.10		76.17		85.61		80.71		68.20		54.97		45.57		38.29		54.85
2018	36.68		32.41	a	43.52		54.70		67.10	a	78.07		86.97		81.39		76.67		53.74		39.77		26.55		56.46
2019	25.77		25.93		34.77		52.77		59.06		72.83		84.10		83.81		70.10		49.35		41.53		19.90		51.66
2020	26.55		25.86		41.55		53.23		66.45		72.87		84.87		86.74		73.90		60.65		43.80		31.68		55.68
2021	32.10		30.50		45.16		55.03		65.48		82.77		88.19		80.77		74.77		54.39		48.50		35.16		57.74
2022	30.90		33.79		45.23		50.70		61.29		73.83		86.97		83.39		76.90		59.90		35.47		27.37	a	55.48
2023	17.42		19.00		27.03		38.07		65.84		70.10		84.45		80.58		72.37		60.06		45.17		33.74		51.15
2024	31.71		35.07		43.32		55.77		60.32		79.17		83.87		81.74		76.43		65.42		32.13		32.39		56.45
2025	26.19		35.57		44.55		55.53		67.19		79.27		85.26		81.84		74.03		59.03		56.00	u	-----	z	60.85	b
Period of Record Statistics
MEAN	26.72		30.74		40.94		51.55		61.91		73.44		82.75		80.54		70.30		56.85		39.41		27.95		53.19
S.D.	5.82		6.39		5.82		5.40		4.33		5.19		3.84		3.11		4.43		5.23		6.12		5.88		3.49
SKEW	-0.25		-0.63		-0.25		-0.49		-0.39		-0.70		-0.88		-0.61		-0.49		-0.07		-0.80		-0.33		-0.79
MAX	37.06		43.11		52.97		62.90		70.23		82.77		89.04		86.74		77.07		67.68		48.50		40.13		58.10
MIN	13.67		11.70		26.42		38.07		50.23		56.77		70.90		72.81		58.86		45.00		20.13		14.13		44.64
YRS	58		57		58		58		57		56		57		58		62		60		58		58		47