JEROME, ID

Average of Maximum Temperature (Degrees Fahrenheit)

(104670)

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
1915	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	72.83	l	68.74		46.03		37.68		50.82	i
1916	31.61		40.97		53.77		63.67		67.13		77.03		86.97		85.68		77.97		62.03		45.72	a	33.39		60.49
1917	27.19		35.11		36.00		52.57		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	54.63		48.76	b	42.38	f
1918	40.26		41.29		56.45		61.78	c	69.00		87.52	a	89.77	a	81.38	b	76.25	f	62.23		46.37		40.38	b	61.49	a
1919	41.57	a	38.07	a	49.32		65.66	a	77.33	a	85.17	a	93.92	e	92.83	b	78.87		56.55	b	47.53		33.07	b	63.32
1920	39.18	c	46.14		49.71		57.03	a	70.87	a	79.93	b	92.29	c	87.40	a	76.17	a	59.80	a	45.70	c	37.77		61.83
1921	38.36	c	40.69	b	53.80	u	54.11	c	68.55		79.87		88.29		85.97		69.59	a	69.03		54.43		39.55		62.58	a
1922	27.00	d	35.13	m	42.13		55.73		68.35		82.90		87.55		86.97		78.40		70.97		49.59	c	38.61		62.56	a
1923	41.03		38.71	n	50.29		60.27		70.94		75.87		91.43	a	87.58		80.03		58.65		54.63		36.71		64.31	a
1924	34.55		48.72		47.90		63.10		78.68		84.37		92.74		90.71		82.40		63.32		49.23		31.03		63.90
1925	35.65		46.50		55.87		63.17		76.29		79.47		94.00		87.13		75.73		62.26		48.67		41.10		63.82
1926	35.32		45.82		58.16		70.10		74.45		87.57		93.58		90.32		73.87		68.68		52.77		34.87		65.46
1927	37.97		41.93		51.13		60.40		67.35		82.17		92.35		88.13		74.50		67.87		52.27		35.29		62.61
1928	37.80	a	42.34		54.71		59.43		81.38	o	75.79	b	92.17	a	88.00	a	80.86	b	66.15	d	-----	z	35.23	a	63.25	b
1929	31.45		30.64		46.68		57.97		73.07	a	79.41	a	-----	z	93.06		74.28	a	68.93	a	49.77		45.19		59.13	a
1930	28.10		48.21		56.06		69.83		69.23		82.93		94.13		90.52		78.90		61.94		47.23		31.23		63.19
1931	35.84		42.04	a	52.65		66.03		77.45		86.07	a	96.21	c	91.97	a	80.03		67.48	b	45.53		34.42		64.64
1932	31.26		36.48		47.26		63.97		67.13		76.13		90.61		87.67	d	82.07		64.16		55.30		31.03	a	61.09
1933	35.10		29.00		47.90		61.87		67.03		88.07		95.70	a	90.23		79.47		74.45		55.23		46.94		64.25
1934	43.71		54.21		57.55	t	72.50		82.23		80.47		95.03		93.71		78.03		71.47	a	54.97		39.48		69.62	a
1935	38.84		41.25		51.00		60.57		68.39		81.53		93.13		92.03		83.47		65.58		41.83		39.74		63.11
1936	33.10		34.41		47.00		67.10		79.94		84.80		94.79	c	90.19		80.00	a	69.23		-----	z	40.58		65.56	a
1937	22.71		35.36		50.39		60.33	i	76.23		79.93	a	93.35		91.39		85.53		74.85	r	49.18	s	42.10		64.11	c
1938	40.10		44.93		47.39		62.83	f	72.07	d	82.50		89.65		90.52		86.20		66.26		44.13		41.10		64.08	a
1939	38.77		35.64		53.39		68.37		78.42		79.67		90.94		92.30	a	80.93		64.97		58.23		48.03		65.80
1940	36.97		44.52		56.97		63.07		79.87		91.23		94.74		93.90	a	77.50		67.97		43.72	a	42.68		66.09
1941	40.00		46.82		57.68		65.00	k	75.43	a	80.83		93.68		88.42		74.37		64.84		53.57		39.42		65.00	a
1942	30.35		35.96		49.65		67.03		66.37	a	77.37		95.19		92.06		83.17		70.10	a	51.97		37.93	b	63.10
1943	36.13		43.54		51.45		70.20		70.39		76.90		92.23		90.23		84.40		68.06		52.53		42.52		64.88
1944	33.00		39.28		48.42		59.63		73.32		73.73		89.77		88.65		80.30		73.90		43.20		39.29		61.87
1945	38.42		43.11		50.94		58.10		69.52		75.41	a	93.13		91.94		75.77		68.29		44.20		34.52		61.94
1946	34.16		37.68		52.32		68.13		71.48		82.53		92.10		90.74		78.30		53.65		44.97		42.26		62.36
1947	32.06		46.96		56.42		62.50		76.77		74.80		93.90		89.81		80.21	a	65.87		40.90		35.77		63.00
1948	38.06		39.48		46.52		60.43		72.45		83.53		89.16		89.97		73.53		58.83	b	45.67		31.74		60.78
1949	19.61		37.07		49.26		69.57		74.87		81.80		92.29	j	91.70	a	83.57		63.14	b	61.20		40.58		61.12	a
1950	33.97		42.00		50.48		61.63		69.90		80.13		88.97		86.87	p	72.62	v	71.39		52.31	a	44.43	a	59.52	b
1951	35.13		42.93		47.10		66.27		71.29		77.50		91.81		86.29		80.37		62.32		48.63		32.97		61.88
1952	31.71		33.79		40.97		67.07		73.68		80.87		89.35		90.13		84.13		75.48		46.43		39.52		62.76
1953	47.39		48.00		55.23		59.33		66.03		76.33		92.32		88.61		83.62	a	69.52		56.97		39.04	c	65.20
1954	41.26		51.00		49.93	a	65.07		77.06		76.87		92.35		86.58		80.40		65.64	c	56.86	b	37.68		65.06
1955	32.32		36.79		45.41	b	59.07		68.83	a	82.62	a	87.59	b	93.30	a	80.46	f	68.57	a	45.43	b	40.90		60.08	a
1956	40.65		34.76		53.06		65.24	a	73.29		82.68	b	92.03		86.84		81.62	a	62.13		48.17		40.39		63.40
1957	31.07	a	43.15	a	53.39		61.00		70.58		80.57		91.20	a	89.71		82.73		64.00		45.33		44.38	e	63.09
1958	37.23		49.71		50.58		58.47		80.94		80.87		88.87		92.10		78.80		71.16		49.67		46.00		65.37
1959	40.06		44.18		53.87		66.60		66.03		85.47		93.65		86.81		72.23		63.52		52.50		41.71		63.89
1960	31.65		37.17		54.45		64.53		71.55		84.60		94.71		85.77		81.83		64.71		48.13		40.35		63.29
1961	44.94		47.75		54.00		62.93		74.52		88.77		93.97		92.81		71.23		62.06		48.20		36.65		64.82
1962	31.61		41.00		46.94		67.30		66.84		80.23		87.61		85.03		80.07		67.26		52.87		42.10		62.40
1963	32.00		51.82		53.61		56.33		71.84		74.80		89.77		90.16		82.97		71.26		48.30		34.52		63.12
1964	31.90		32.56	b	41.65		59.69	a	71.97		75.60		92.53	a	86.65		75.73		70.39		46.57		40.10		60.44
1965	38.68		47.07		52.10	b	62.93		67.13		79.80		88.52		84.90		70.90		73.26		55.13		40.42		63.40
1966	39.10		42.07		55.58		64.63		79.23		82.67		93.81		90.77		83.33		66.48		52.57		36.71		65.58
1967	41.84		49.61		54.00		56.17		72.61		78.07	a	93.77		96.39		84.60		67.16		51.53		32.19		64.83
1968	38.06		47.86		58.97		59.90		72.42		82.37		95.00		80.81		77.47		65.94		45.70		37.10		63.47
1969	38.13		36.75		46.61		67.00		78.00		79.83		91.74		94.32		83.13		58.65		51.57		39.68		63.78
1970	38.90	a	51.46		51.16		55.37		71.45		82.90		91.42		93.00		73.57		61.35		48.28	a	37.26		63.01
1971	37.87		44.86		49.26		61.10		72.35		78.83		90.65		93.55		74.67		61.26		46.13		34.55		62.09
1972	34.35		41.97		57.61		60.55	a	74.52		82.73		90.35		91.06		72.77		63.03		46.10		31.42		62.21
1973	34.32		43.11		51.45		60.10		75.61		83.70		91.68		90.13		77.97		67.97		46.93	a	41.77		63.73
1974	33.39		43.82		53.03	a	61.73		70.42		89.20		91.03		88.71		82.43		67.58		51.13		38.48		64.25
1975	34.16		37.25		48.71		52.27		66.13		77.13		93.19		84.84		81.33		62.13		46.00		42.19		60.44
1976	36.74		38.90		44.52		58.00	a	73.61		78.03		89.52		82.42		78.93	a	66.39		55.63		45.39		62.34
1977	31.32		49.57		49.81		69.13		64.55		87.20		88.48		89.06		77.86	a	68.58		48.33		40.29		63.68
1978	39.48		41.25		58.45		58.33		67.71		80.93		90.55		86.58		74.23		68.23		46.63		33.23		62.13
1979	24.61		40.26	a	52.65		60.37		73.97		84.43		92.42		87.32		84.73		68.58		46.57		40.61		63.04
1980	33.74		44.93		50.42		66.00		68.52		78.90		89.52		85.80	a	76.03		66.42		50.13		44.42		62.90
1981	41.61		45.89		56.10		62.13		68.48		78.66	a	90.74		94.06		80.87		58.47	a	51.43		40.74		64.10
1982	31.00	a	34.14		48.81		56.80		67.74		79.73		85.26		90.00		73.60		59.42		44.83		37.06		59.03
1983	40.65		44.43		52.35		56.67		69.23		78.30		86.23		90.29		78.50		65.03		48.23		29.13		61.59
1984	29.06		32.59		48.29		58.00		69.30	a	74.97		89.19		90.71		76.13		58.61		45.20		31.48		58.63
1985	28.35		30.43		41.35		66.10		75.13		84.13		96.13		86.65		68.90		62.45		37.67		24.45		58.48
1986	37.39		45.79		59.94		61.27		71.90		86.97		86.94		93.29		71.23		65.74		48.50		40.33	a	64.11
1987	33.42		46.29		53.94		-----	z	76.00		85.07		86.68		89.00		83.23		71.42		49.80		38.87		64.88	a
1988	34.74		47.03		52.39		65.90		70.32		86.63		93.10		90.68		75.63		74.16		45.90		33.00		64.12
1989	33.06		32.79		50.23		65.90		70.06		82.27		93.68		85.23		79.93		62.45		51.57	b	41.90		62.42
1990	39.39		41.00		55.94		68.20		68.42		79.83		92.71		89.40	a	86.27		65.26		52.07		29.23	a	63.98
1991	35.81		54.50		51.61		59.00		65.52		78.67		93.60	a	93.10	a	80.03		66.03		43.87		39.97		63.48
1992	41.94		54.14		63.10		68.90		79.90	a	84.79	a	87.00		90.97		77.53		69.90		41.50		32.39		66.00
1993	31.07	a	32.96		46.71		58.47		76.52		74.97		79.06		83.16		78.53		65.61		45.40		38.71		59.26
1994	42.42		40.64		58.45		63.93		74.16		83.13		93.58		92.87		83.50		61.74		40.10		35.55		64.17
1995	38.84		51.25		51.65		60.43		66.13		75.50		88.90		89.42		81.07		64.55		53.43		40.97		63.51
1996	39.10		41.48		54.23		62.50		67.93	a	84.03		94.00		90.81		76.20		64.71		50.60		39.23		63.73
1997	38.32		42.57		54.93	a	59.30		76.13		79.17		86.27	a	91.00		80.37		64.94		51.40		36.26		63.39
1998	43.74		45.61		51.68		61.00	a	67.13		73.90	a	94.90		91.87		82.10		64.10	a	49.83		36.81		63.56
1999	39.26		41.48	a	52.81		57.40		67.55		79.67		90.60	a	91.58		78.90		70.39		57.87		37.87		63.78
2000	38.32		47.52		53.81		67.13		73.23		83.67		93.35		93.94		78.47		65.03		40.60		36.29		64.28
2001	34.16		39.04		55.58		59.57		76.55		83.13		90.97		94.68		83.70		67.29		55.55	a	32.71		64.41
2002	34.81		34.39		46.74		63.77		71.74		84.27		95.13		87.10		80.21	a	62.68		50.20		44.17	a	62.93
2003	44.45		45.25		55.52		59.30		71.84		84.23		97.97		93.39		80.55	a	72.77	a	46.20		42.68		66.18
2004	32.71		36.76		60.03		65.67		71.26		80.77		90.26		88.84		78.20		65.19		47.63		41.74		63.25
2005	37.90		45.04		56.06		61.03		70.68		77.87		94.13		91.81		78.53		68.65		49.23		34.19		63.76
2006	41.00		40.18		-----	z	62.47		75.61		86.43		97.58		90.84		78.67		65.06		50.87		39.10		66.16	a
2007	36.94		49.00		58.77		63.93		76.55		86.23		98.16		93.03		80.60		63.03		53.37		36.77		66.37
2008	32.90		39.83		49.16		59.45	a	71.55		81.13		94.74		92.42		80.73		66.48		55.10		38.68		63.51
2009	36.77		40.39		50.00		60.90		74.55		79.23		93.65		90.00		86.50		57.87		50.60		33.61		62.84
2010	39.87		42.68		54.58		59.23		63.55		76.97		88.39		87.13		79.47		66.48		45.60		38.71		61.89
2011	35.33	a	39.61		50.39		54.80		64.35		76.00		89.65		91.29		81.70		64.45		49.20		38.71		61.29
2012	40.39		45.07		55.48		67.33		70.16		81.27		94.55		92.00		81.70		65.10		55.17		39.06		65.61
2013	27.81		42.54		53.61		60.10		72.61		82.57		96.23		92.16		78.47		60.97		49.97		33.16		62.52
2014	38.48		42.96		54.61		61.03		73.65		79.93	c	93.48		84.45		79.23		69.65		45.22	c	42.61		63.78
2015	35.77		50.82		59.77		62.07		69.97		88.03		86.61		88.55		78.93		69.81		43.20		33.23		63.90
2016	33.94		44.03		52.74		66.30		69.30	a	83.70		88.55		88.06		73.77		64.35		54.93		31.90		62.63
2017	27.03		40.59	a	55.03		57.17		-----	z	80.80		-----	z	89.09	h	77.00		60.16		50.07		33.74		53.51	c
2018	41.69	o	-----	z	48.06		61.57		73.36	t	-----	z	-----	z	87.16		80.30	j	-----	z	-----	z	-----	z	65.60	i
2019	-----	z	-----	z	50.29		61.67		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	36.48		49.48	i
2020	38.74		42.89	a	53.71		61.50		-----	z	78.97		88.94		-----	z	81.35	d	64.23		50.44	n	39.45		61.09	c
2021	38.94		48.00	x	53.94		61.00		-----	z	94.13		96.00		-----	z	77.77		61.26		52.14	i	38.19		65.15	d
2022	29.10		29.96		50.71		53.80		57.46	r	79.20		93.32	f	91.38	e	84.53		66.13		-----	z	34.29		57.68	c
2023	35.73	e	36.50		39.90	a	56.80		72.35		73.44	c	92.16		84.86	j	77.52	c	62.71		48.07		39.65		57.71	a
2024	37.13		46.10		48.42		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	43.88	i
Period of Record Statistics
MEAN	35.80		42.09		51.71		61.99		71.90		81.18		91.68		89.66		79.10		65.64		49.17		38.05		63.21
S.D.	4.83		5.69		4.65		4.25		4.13		4.07		3.13		3.07		3.84		4.16		4.45		4.37		1.65
SKEW	-0.54		-0.11		-0.52		0.11		0.28		0.38		-0.68		-0.54		-0.42		-0.07		0.10		-0.18		-0.65
MAX	47.39		54.50		63.10		72.50		82.23		94.13		98.16		96.39		86.50		75.48		61.20		48.76		66.37
MIN	19.61		29.00		36.00		52.27		63.55		73.44		79.06		80.81		68.90		53.65		37.67		24.45		58.48
YRS	107		104		106		104		100		105		101		101		102		105		101		108		84