HALF MOON BAY, CA

Average of Maximum Temperature (Degrees Fahrenheit)

(043714)

File last updated on May 13, 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
1939	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	64.66	b	65.35		70.77		68.32		64.50		61.39		65.83	f
1940	57.42		58.93		61.45		63.60		62.84		64.60		65.84		65.55		69.83		66.16		63.80		61.52		63.46
1941	59.58		59.96		64.19		60.70		66.14	c	66.57		65.23		67.22	m	68.97		65.19		65.03		58.10		63.61	a
1942	58.26		58.43		60.84		61.00		62.79	b	65.14	a	66.06		64.29		65.03		63.90		60.67		57.87		62.02
1943	58.23		60.79		59.94		61.13		64.03	a	63.50		64.87		63.21	b	67.40		65.23		65.27		60.19		62.81
1944	58.35		56.31		60.55		58.47		61.19		62.77		62.26		63.27	a	63.67		64.48		59.87		59.52		60.89
1945	56.79	b	58.36		57.03		60.90		60.57	a	65.87		64.74		61.40	a	66.38	a	64.19		60.72	a	57.97		61.24
1946	57.52		56.11		57.32		60.28	a	59.84		63.70		63.87		61.55		66.83		65.48		59.97		57.65		60.84
1947	55.52		58.89	a	60.06		62.97	a	62.52		64.79	a	65.35		67.65		67.04	b	65.81		59.93		56.87	a	62.28
1948	61.42		56.03		56.48		58.60		61.39		64.13		63.61		64.23		64.57		67.03		62.63		52.87		61.08
1949	51.39		53.29		58.10		58.90		61.35		62.71	b	60.90		63.19		65.12	n	60.89	c	-----	z	-----	z	58.97	c
1950	-----	z	57.12	c	58.32		60.43	i	59.29		60.93		61.71		62.41	d	65.07		66.81		70.40		59.97		62.20	b
1951	56.13		57.86		60.39		56.47		60.97	b	59.07		60.10		60.28	b	64.77		64.81		60.14	a	55.48		59.70
1952	52.42		56.66		56.39		56.97		59.45		59.67		63.32		66.16		69.53		63.55		62.83		56.16		60.26
1953	60.87		63.77	o	-----	z	57.79	f	62.84		63.93		61.94		64.26		67.27		65.81		58.33		57.81		62.56	c
1954	53.39		62.11		54.90		59.13		61.68		63.87		64.06		62.45		66.03		66.68		63.40		57.16		61.24
1955	54.65		57.43		60.77		56.62	a	60.50	a	62.07		61.39		61.65		61.97		64.03		61.03		56.20	f	60.19	a
1956	55.59	b	55.97		59.10		58.73		62.18	c	64.34	a	62.77		62.00		68.07	a	65.29		67.76	a	61.42		61.93
1957	55.48		58.32		59.18	c	62.80		63.00	b	66.00		65.57	c	64.73	a	67.39	b	66.97		62.60		60.81		62.74
1958	60.67	d	60.43	g	58.76	b	62.43		64.55		68.33		64.58		65.38	b	72.33		64.77		63.87		64.58		64.57	a
1959	60.13		59.54		64.39	c	64.04	b	63.45		65.20		66.52		67.10		67.07		68.80	a	65.70	g	62.72	b	64.45	a
1960	56.45		59.17		59.97		61.63		62.58		64.83		63.84		63.42		64.30		65.58		61.37		60.94		62.01
1961	61.71		59.50		59.06		61.27		61.61		65.27		66.16		67.13		68.03		66.90		60.17	a	56.43	a	62.77
1962	59.23		55.78	a	56.45		61.07	a	60.23		61.60		61.16		64.13	a	63.24	a	65.16		62.80		57.77	a	60.72
1963	56.23	a	61.07		57.52		58.52	a	59.71		61.68	e	65.00		64.13		67.05	h	67.45		62.00		62.00		61.39	a
1964	58.97		64.45		59.58		57.73		57.94		62.23		64.35		66.04	g	66.17		66.19		59.77		56.81		61.29	a
1965	58.52		57.18		58.81		60.40		61.16		60.62	a	62.23	a	67.00		64.67		71.42		64.10		56.87		61.91
1966	59.29		57.89		58.26		64.83	a	61.61		63.90		62.87	a	64.47	a	69.75	b	70.86	b	64.27		59.42		63.12
1967	60.43	a	62.71		58.10	a	56.03		62.39		60.17		63.66	b	63.27	a	68.21	a	70.10		65.23		58.00	b	62.36
1968	58.52		59.19	b	61.68		62.07	a	60.65		61.57		62.74		66.15	d	68.20		63.52		59.40		55.84		61.63
1969	53.65		52.14		59.17	a	56.50		58.27	a	58.86	a	60.13		61.52		64.07		66.19		68.23		62.48		60.10
1970	60.39		64.00		62.67	a	62.67		64.07	b	62.07		63.68		63.61		70.33		65.94		64.87		56.94		63.43
1971	59.42		60.14		59.87		58.97		58.74		61.40		59.87		65.00		67.13		62.77		63.67		54.71		60.97
1972	56.30	a	59.69		62.07	b	61.93		60.81		62.23		65.16		68.00		68.17		67.58		61.50		55.48		62.41
1973	55.84		60.21		-----	z	62.10		60.61		63.87		63.94		63.16		65.90		65.26		59.23		57.97		61.64	a
1974	55.71		58.75		58.26		60.97		59.03		62.83		64.58		65.13		65.53		66.71		62.23		57.39		61.43
1975	58.57	c	55.89		56.40	a	54.69	a	59.80	a	59.30		61.58		62.84		62.57		61.97		60.53		58.26	d	59.37
1976	60.87		57.96	b	57.86	b	58.37		61.81		64.70		64.10		68.35		67.60		68.00	b	65.63		63.29		63.21
1977	59.77		62.25		58.48		59.70		60.23	a	61.87		64.42		67.53	a	65.89	c	63.97		62.10	a	60.68		62.24
1978	61.32		60.14		64.16		62.38	a	64.77		63.73		64.29		66.57	a	69.96	b	64.65		60.20		56.14	c	63.19
1979	56.55		57.78	a	60.03		60.20		62.20	a	62.97	a	65.39		65.19		71.87		67.94		62.10		61.58		62.82
1980	59.35		62.69		60.65		61.20		60.35		63.53		65.29		63.48		65.10		64.47	a	63.46	d	62.87		62.70
1981	60.23		61.82		60.35		61.10		60.77		65.66	a	63.19		65.90		66.00		63.55		64.37		59.90	a	62.74
1982	56.83	a	60.11		59.77		62.20		60.74		64.60		64.30	a	65.16		67.70		67.77	a	61.87		59.32		62.53
1983	60.65		60.04	b	60.53	a	61.37		61.79	b	63.61	b	66.00	a	69.55		72.65	d	70.23		62.22	c	58.07	d	63.89
1984	60.13		59.52	b	61.07	b	60.60		62.28	b	61.93		67.03		66.32		71.00		64.17	b	59.93		57.55		62.63
1985	57.73	a	60.65	b	56.52		60.54	b	61.53	a	64.30		64.94		66.61		66.17		64.73	a	-----	z	58.73	a	62.04	a
1986	61.48		61.71		62.90		59.70		60.13	a	65.72	a	66.00		65.87		65.67		64.74		64.10		59.97		63.17
1987	57.97	b	62.23	b	60.35		60.69	d	61.20	a	62.00	o	-----	z	66.10	b	66.28	a	66.48	b	63.13		56.50	c	62.09	b
1988	57.68		61.24		59.31	b	62.07	a	59.56	m	62.60		63.75	s	-----	z	66.63		63.53	a	61.13		59.33	a	61.50	c
1989	56.34	b	54.19	a	58.48		63.25	b	61.52		65.27		64.88	e	65.59	b	65.68	b	65.50	e	66.86	a	61.90		62.46
1990	59.45	b	57.19	b	57.97		62.07		60.10		63.65	d	65.37	a	66.97	a	66.70		64.16		62.50		55.45		61.80
1991	58.13		59.36		55.94		59.24	a	56.87		59.93		62.26		64.07	a	63.63		64.74		62.13		60.64	c	60.58
1992	60.47	a	63.34		62.74		65.93	a	65.74		65.43		67.52		64.63	a	66.71	b	67.10		63.64	b	57.87		64.26
1993	57.87		59.14		60.52		60.37		64.45		64.56	c	63.90	b	67.26	d	63.70	c	68.36	c	65.46	f	59.23	e	62.67	a
1994	61.52	f	58.67	d	61.76	f	61.21	f	59.81	e	61.66	a	62.20	a	64.47	a	66.16	e	65.24	b	57.75	b	55.75	c	61.30	c
1995	58.24	b	61.96	a	61.13	a	59.14	a	59.45		61.34	a	66.61		65.61		66.18	b	66.82	c	62.63	c	59.23		62.36
1996	59.63	a	60.79	a	61.57	c	62.11	b	61.68	c	60.67		63.27	a	63.55	b	64.38	a	64.54	c	60.79	a	59.60	a	61.88
1997	58.66	b	59.37	a	60.03	b	60.48	a	64.72	b	63.25	b	64.90	b	68.47	a	70.53		67.61	c	65.36	b	60.77	a	63.68
1998	59.29		58.15	a	60.10	b	59.13		61.26		63.08	d	62.65		63.79	b	64.82	b	64.53	a	59.23		57.61	c	61.14
1999	58.57	a	56.25		55.81		58.86	a	56.94		60.28	a	62.66	b	64.90		65.42	d	65.11	c	61.14	a	60.37	a	60.52
2000	58.37	a	59.11	a	58.47	a	61.21	a	61.16		64.00		63.32		65.27	a	69.17		64.20	a	60.97		62.16		62.28
2001	59.35		59.39		59.50	a	57.03		66.12	w	64.88	n	63.67	a	64.87	a	64.77		66.47	a	-----	z	-----	z	61.88	d
2002	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	64.86	b	65.56	f	66.32	h	65.27	i	67.71	m	62.82	n	64.86	k
2003	65.12	g	62.80	m	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	69.27		67.55		62.75	b	59.71		64.82	h
2004	58.65		59.50	a	64.58		63.36	b	64.45		64.37		67.10		68.57	c	68.47		65.61		63.50		61.83	a	64.17
2005	59.58		62.43		63.53	a	63.23		64.61		64.53		66.35		64.74		64.20		63.55		66.53		61.40	a	63.73
2006	60.45		62.37	a	58.30	a	62.17	a	62.94		65.60		66.13		66.43	a	64.93		67.32		62.30		61.29		63.35
2007	57.52	b	59.54		60.94		60.23		62.33	a	63.77		66.74		66.74		67.37		65.00		63.45	a	56.58		62.52
2008	55.97		58.00		59.73	a	60.13		62.00	a	63.23		65.77		65.97		66.17		67.26		64.97		57.58		62.23
2009	63.45		59.46		59.23		59.76	a	60.71		66.15	c	65.30	a	67.87	a	66.57		65.43	a	62.73		57.23		62.82
2010	59.58		60.21		62.13		61.60		61.39		63.93		64.61		65.03		66.07		64.39		61.62	a	58.23		62.40
2011	60.67	a	59.63	a	59.68		61.63		62.68		63.33		64.65		63.58		65.17	a	67.90		60.73		59.39		62.42
2012	61.03		59.28		58.87	a	61.67		61.58		64.28	a	64.29		64.45		62.27		66.43	a	64.80		58.03		62.25
2013	58.74		57.74	a	58.23		61.25	b	63.23	a	65.10		65.35		67.68		68.10		64.90	b	61.30		60.65		62.69
2014	64.06		58.43		63.52		62.03	a	65.97	b	64.41	a	68.81		69.03	a	69.10		69.90	a	65.20		62.03	a	65.21
2015	64.71		64.86		64.19		62.10	a	62.52		65.38	a	70.48		71.67	a	68.97		67.55		61.57		57.33	a	65.11
2016	59.27	a	65.24		61.97		64.00	b	63.52		64.76	a	63.32		64.13		66.25	b	66.68		63.59	a	58.65		63.45
2017	57.00		59.07	a	62.50	a	62.93		61.35		64.23		63.84		65.07	a	71.30		68.71		63.80		62.90		63.56
2018	61.06		62.07		60.39		60.80		61.29		63.17		65.16		64.26		63.13		66.26		63.77		60.13		62.62
2019	60.74		55.81	a	59.84		61.37		60.94		66.63		64.00	b	66.68		68.89	b	68.94		59.97		59.06		62.74
2020	57.48		60.69		59.55		60.67		64.03		65.33		65.00		66.58		67.27		67.37	a	61.30		60.32		62.97
2021	60.07	a	58.64		58.10	a	57.97		59.16		63.97		63.17	a	65.77		64.38	a	65.52		66.57		56.65		61.66
2022	61.06		62.21		57.84		59.76	a	59.61		63.00		61.80	a	65.16		66.27		62.81		59.50		56.45		61.29
2023	58.57	a	55.86		55.13		56.70		59.16		60.63		60.53	a	65.03		65.63		67.13		65.10	a	60.93	a	60.87
2024	59.16		59.41		59.65		58.33		60.83	s	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	59.14	h
Period of Record Statistics
MEAN	58.60		59.33		59.73		60.57		61.56		63.42		64.22		65.19		66.79		65.98		62.66		58.99		62.29
S.D.	2.40		2.52		2.23		2.15		1.94		1.93		1.93		2.05		2.37		1.98		2.38		2.32		1.19
SKEW	-0.39		-0.11		0.19		-0.34		0.13		-0.36		0.11		0.26		0.38		0.35		0.53		0.04		-0.09
MAX	64.71		65.24		64.58		65.93		66.14		68.33		70.48		71.67		72.65		71.42		70.40		64.58		65.21
MIN	51.39		52.14		54.90		54.69		56.87		58.86		59.87		60.28		61.97		60.89		57.75		52.87		59.37
YRS	81		81		80		80		80		80		82		80		82		84		79		81		66