MOUNT HAMILTON, CA

Average of Minimum Temperature (Degrees Fahrenheit)

(045933)

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
1948	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	58.00		56.58		56.70		47.45	k	39.50	f	29.33	d	50.15	h
1949	22.62	o	24.47	k	-----	z	39.50	x	43.86	b	55.66	a	61.87		56.32		56.34	a	47.30	a	52.10		35.45		51.11	d
1950	26.74		38.70	a	35.74		43.30		48.87	a	51.46	b	65.20	a	-----	z	-----	z	-----	z	47.61	b	42.53	a	44.46	c
1951	35.71	c	-----	z	34.72	b	42.83		46.68		56.57		62.26		61.87		61.17		47.35		41.21	a	30.94		47.39	a
1952	28.74		35.14		31.19		39.52	a	44.52		42.41	a	63.26		61.94		57.27		53.48		36.67		31.35		43.79
1953	37.29		32.54		30.90		33.50		33.93	a	41.23		61.23		53.77	e	56.07		-----	z	-----	z	39.71	c	42.02	b
1954	33.32		43.96	a	33.61		45.17		48.71		48.47		63.45		53.68		52.60		48.35		43.57		35.81		45.89
1955	30.35		31.52	a	34.16		31.00		43.32		48.17		53.67	a	63.94		59.08	d	50.32		39.10	a	34.79	b	43.29
1956	33.06		30.96	e	34.90	b	37.90		43.10		49.52	a	62.75	c	57.90		58.07		44.13		47.87		41.93	b	45.17
1957	29.87		40.11		35.45		40.23		43.26		56.33		61.52		56.32		57.27		44.13		39.73		38.76	b	45.25
1958	36.32		34.86		28.77		37.67		45.66	b	48.90		60.69	e	64.75	c	54.93	b	55.46	e	43.48	e	48.47	l	46.50	a
1959	37.37	d	32.22	a	39.15	r	46.81	c	40.41	d	53.31	d	69.32	f	62.26	d	51.74	g	53.86	c	49.84	e	41.95	i	47.01	d
1960	32.37	a	34.50	c	41.56	d	39.37		42.56	d	63.21	b	68.77	i	62.81	d	61.55	j	49.07	c	39.00	g	38.05	j	45.68	d
1961	42.65	h	36.39	e	33.52	f	41.50	b	37.33	v	60.00	a	65.96	h	63.64	f	54.04	b	52.48	h	40.37	c	38.89	d	45.20	f
1962	37.96	e	34.65	b	33.24	b	43.89	c	41.04	c	54.96	b	-----	z	60.50	e	58.24	a	51.03	a	43.16	e	43.24	b	45.63	a
1963	36.46	c	42.88	b	33.04	c	33.41	c	45.26	d	50.17		57.97	b	60.48		58.67	c	47.76	n	40.08	d	42.31	e	45.52	a
1964	32.96	e	35.96	e	33.16	f	38.52	e	42.73	e	49.36	e	60.88	f	61.96	c	54.38	f	56.00	d	35.38	i	37.04	g	45.36	e
1965	37.92	e	38.50	d	36.36	f	38.88	f	45.41	d	47.00	h	59.68	f	61.86	b	-----	z	57.10	a	40.89	b	35.96	c	45.38	e
1966	34.57	c	33.16	i	37.76	b	47.35	d	48.82	c	55.12	e	57.85	d	65.54	e	52.19	i	52.08	g	40.90	j	39.67	p	49.57	e
1967	36.96	h	39.88	d	34.04	d	28.18	b	48.12	g	53.24	e	66.33	g	70.92	e	59.73	d	52.04	e	45.50	d	31.70	a	46.14	c
1968	36.65		41.33	b	40.03		43.04	b	45.97	a	58.67		66.00	c	58.46	c	59.10	a	49.77		39.75	b	30.43	c	47.43
1969	34.38	b	29.25		41.47	p	37.79	a	48.48	b	50.00	e	65.35		65.83	a	59.43		45.23	a	46.27		38.08	e	47.28	a
1970	36.61		38.07		37.72	b	36.60		52.03	b	56.20		67.45		65.03		57.93		49.80	a	41.77		33.10		47.69
1971	38.13	a	37.04		36.00		36.67		40.71		51.60		65.58		65.00		56.87		45.35		38.96	b	29.77	e	45.14
1972	37.41	d	38.28		43.42		38.43		50.68		57.03		66.72	b	60.10		55.48	a	45.61	c	38.75	b	31.96	d	46.99
1973	32.71	c	35.41	a	31.07	a	42.80		52.55		58.45	a	65.21	b	62.97		56.72	a	49.42		34.79	a	36.69	b	46.57
1974	34.88	e	34.79		36.13	a	37.97	a	46.55	b	57.33		59.40	f	59.62	w	66.18	m	50.83	a	40.75	b	35.03	a	41.59	c
1975	35.46	e	34.44	a	31.84		32.23		48.61		55.87		59.53	a	60.19		63.70		45.71		38.77		41.19		45.63
1976	41.94		36.21		33.90		35.13		49.71		52.20		60.87		53.52		56.53		54.40	a	49.24	a	44.00		47.30
1977	38.07	a	42.18		32.97		43.90		37.42		58.70		60.70	a	63.87		54.77		52.87		43.50		40.67	a	47.47
1978	38.48		37.68		41.94		37.03		48.45		54.43		63.55		61.29		55.03		57.65		39.63		35.45		47.55
1979	33.10		34.18		38.42		38.53		50.90		56.70		62.35		58.35		61.27		49.13		41.63		42.96	c	47.29
1980	38.71		40.89	a	34.23		41.10		43.03		49.62	a	63.58		62.29		56.86	a	55.06		46.03		45.77		48.10
1981	39.94		37.46		33.97		39.77		43.68		58.80		65.42		64.71		60.50		45.48		42.70		40.23	a	47.72
1982	32.57	a	37.54		33.00	d	37.93	b	46.79	b	49.87		61.26		61.23	a	53.03		47.71		39.26	c	37.65	e	44.82
1983	41.14	b	37.08	c	35.23	a	34.93		48.29		52.07		56.26		62.03		59.93		49.58		38.32	b	36.70	a	45.96
1984	43.37	d	36.62		40.31	b	38.37	c	53.29		54.41	a	66.87		62.58		61.77		44.23		37.04	b	33.96	d	47.73
1985	38.00		39.14		32.29		47.43		41.87	a	61.86	a	65.94		61.61		51.20		49.61		-----	z	-----	z	48.90	b
1986	43.32		39.57		43.84		39.43		47.94		57.17		60.83	a	67.94		51.33		51.19		44.60		40.23		48.95
1987	33.90		36.52	a	37.48	b	46.25	b	51.14	c	58.17		56.28	b	63.61		61.62	a	56.54	e	39.41	a	31.60	a	47.71
1988	36.65		42.76		40.55		41.77		43.52	b	55.13		67.87		66.65		61.23		57.52		41.34	a	36.92	e	49.33
1989	38.71		35.14		40.68		50.78	c	47.29		55.03		63.37	a	60.19		55.82	b	50.03		48.81	c	44.39	c	49.19
1990	35.94		34.00		39.37	a	45.27		44.23		54.13		65.10		60.26		57.03	a	54.29		42.79	b	33.16		47.13
1991	39.60	a	44.79		31.26		36.77		41.81		52.10		66.17	a	60.48	b	64.63	c	58.03		45.20		39.32		48.35
1992	40.03		39.90		37.90		45.50		54.81		53.70		59.10		66.32		60.20		53.68		43.07		33.65		48.99
1993	33.71		34.04	c	40.97		39.00		44.48		53.10		60.40	a	61.77	a	61.27		53.29		42.80		38.06		46.91
1994	41.41	b	34.54		41.10		42.40		45.26		54.97		66.65		64.00		58.00		48.65		32.90	a	35.94		47.15
1995	36.19		45.67	a	36.06		38.93		43.71		52.14	a	60.17	a	63.74		60.68	b	54.48		48.90		38.90		48.30
1996	39.33	a	38.52		40.81		42.43		47.43	a	57.40		68.65		68.06		57.47		49.53	a	43.13		39.10		49.32
1997	37.16		36.07		43.61		41.10		53.42		52.77		62.13		60.19		58.50		49.13		42.60		36.32		47.75
1998	36.97		32.25		37.19		37.87		36.45		50.30		64.73	a	68.61		57.69	a	47.53	a	38.17		35.94		45.31
1999	40.16		33.67	a	32.19		37.76	a	45.58		52.87		61.63	a	58.48		64.29	b	58.32		45.23		40.45		47.55
2000	37.13		36.00	a	37.45		43.72	a	48.03	a	60.67		60.31	b	65.42		56.90		49.17	a	38.90		43.77		48.12
2001	36.45	b	33.27	b	41.90		36.80		58.00		57.40		62.87		65.37	a	60.70		56.93	a	43.63		35.13		49.04
2002	34.90		40.25		36.58		41.47		47.32		57.37		66.84		65.00		60.40		52.90		47.10		36.39		48.88
2003	46.68		36.64		40.32		34.17	a	45.97	b	59.33		68.61		61.90	b	64.67		57.52		38.17		35.48		49.12
2004	36.29		34.10		47.23		44.07		46.71		56.30		65.32		63.55		59.57		48.33	a	39.17	a	39.84		48.37
2005	40.13	a	38.04	a	41.29		38.47		45.83	a	48.90	a	69.61		67.71		55.50		48.84		46.62	a	40.65		48.47
2006	36.00		40.19	a	30.26		39.00		51.65		60.53		69.71		63.13	a	60.47		49.84		41.20		39.35		48.44
2007	34.87		36.18		44.55		41.53		51.42		56.93		63.00		64.39		53.89	b	46.68		48.43	b	32.58		47.87
2008	33.77		37.28		38.03		38.53		47.87		59.57		65.67	a	65.94		63.47		54.13		46.76	a	36.37	a	48.95
2009	43.30	a	35.14		35.74		38.73		54.30	a	52.00		67.59	b	64.16		62.20		47.47	a	43.00		35.97		48.30
2010	39.77		37.39		37.74		36.21	a	41.00		53.79	a	66.35		63.41	b	60.60		50.57	a	40.50		37.73	a	47.09
2011	41.80	a	33.89	a	34.97		37.62	a	40.77	a	51.63	c	61.45		64.62	b	66.41	h	53.38	b	37.96	e	38.87		45.18	a
2012	41.50	a	35.83		35.06		40.67		48.84		52.73		62.70	a	70.03	a	65.50		52.00		44.97	a	34.53	a	48.70
2013	37.57	a	36.82		42.94		45.47		48.06		57.92	e	68.45		61.48		55.20		51.74		45.43		41.39		49.37
2014	48.52		40.43		42.23		45.07		49.26		58.70		67.13		64.00		61.27		54.29		47.20		39.16		51.44
2015	47.42		47.59	a	46.97		43.03		46.26		62.23		61.94		63.48		60.77		55.71		38.90	a	34.33	a	50.72
2016	37.52		46.41		40.42		43.63		48.32		60.03		65.58		67.42		58.43		48.94		44.63		37.58		49.91
2017	35.55		36.68		42.06		40.63		49.03		60.23		69.25	c	69.61		57.47		53.52		43.80		46.32		50.35
2018	43.26		37.82		37.39		41.48	a	47.58		57.47		70.87		65.84		61.03		53.68		48.93		38.29		50.30
2019	40.13		29.89		36.52		46.03		44.87		59.13		63.03		65.19		54.87		50.23		47.80		37.39		47.92
2020	36.65		41.97		35.03		43.17		48.97		55.50		65.81		66.87		65.53		61.16		43.63		40.94		50.43
2021	38.94		36.82		35.48		44.67		49.39		58.77		69.81		67.19		61.87		45.97		48.87		37.29		49.59
2022	42.90		40.79		41.68		40.53		46.29		56.57		64.84		67.87		61.53		57.71		39.20		36.84		49.73
2023	34.16		32.75		30.97		40.83		48.52		52.90		67.94		63.77		55.10		52.26		44.37		41.74		47.11
2024	38.19		35.90		36.48		42.36	h	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	36.86	i
Period of Record Statistics
MEAN	37.38		37.20		37.20		40.28		46.55		54.83		63.82		63.02		58.63		51.32		42.81		37.55		47.84
S.D.	4.04		3.76		4.22		4.14		4.26		4.26		3.65		3.72		3.33		4.05		3.98		3.91		1.70
SKEW	0.24		0.53		0.26		-0.21		-0.21		-0.63		-0.35		-0.46		-0.01		0.18		0.07		0.01		-0.47
MAX	48.52		47.59		47.23		50.78		58.00		63.21		70.87		70.92		65.53		61.16		52.10		46.32		51.44
MIN	26.74		29.25		28.77		28.18		33.93		41.23		53.67		53.52		51.20		44.13		32.90		29.33		43.29
YRS	73		73		70		73		73		74		68		73		68		70		70		70		57