HEALDSBURG, CA

Average of Minimum Temperature (Degrees Fahrenheit)

(043875)

File last updated on April 26, 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
1893	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
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	40.35		41.66	a	41.52		47.77		46.33	a	47.42		42.92	q	42.88	e	45.43		36.48		43.32	c
1900	41.12	f	38.50		43.26		43.33		47.55		48.83		47.39		48.19		44.70		44.71		42.57		36.74		44.16	a
1901	37.00		39.54		41.32		37.60		44.97		48.93		43.55		45.90		43.13		43.71	c	42.43		33.35		41.79
1902	33.39		45.29		38.84		42.63		44.23		46.70		49.55		49.47	a	48.20		44.10		40.00	b	38.06		43.37
1903	37.37	a	32.15	a	39.65		39.17		46.90		50.00		48.23		-----	z	48.61	b	46.48		44.04	d	35.25	g	43.26	b
1904	32.83	a	40.52		42.42		42.45	a	-----	z	50.29	b	49.07	c	48.71	c	50.41	c	47.74	d	41.24	a	37.77		43.95	a
1905	39.35		40.07	a	44.41	b	43.37		46.77	a	47.54	b	50.97	a	48.74		46.40	j	38.50	g	35.26	k	34.90	b	44.01	c
1906	37.67	a	44.37	a	-----	z	42.76	e	46.97	a	50.21	b	49.96	f	49.62	b	47.77		43.03		40.43		40.93	d	44.38	b
1907	37.77	a	45.37	a	39.33	a	44.81	c	43.80	a	48.11	c	51.63	a	49.71	c	46.42	d	46.43	c	40.43	g	39.41	d	44.80	a
1908	38.70	d	37.00	e	38.40	f	41.52	i	43.04	f	47.54	f	50.11	m	48.47	n	47.74	g	42.05	l	37.50	j	35.23		36.98	i
1909	43.76	f	39.71		38.68		42.83		44.52		51.90		48.06		47.13		49.40		49.45		43.52	a	36.19		44.67	a
1910	33.90		37.50		43.10		44.83		49.57	a	48.10		48.74		44.37	a	45.57		44.45		-----	z	38.61		43.52	a
1911	37.77		36.00		39.19		40.38	a	44.32		49.03		50.84		48.87		45.52	a	43.45		37.68	b	33.74		42.23
1912	41.13	a	39.93		38.48		40.83		48.30	d	51.90		50.48		49.84		50.59	a	42.32		41.70		34.19	e	44.14
1913	32.90	k	37.04	a	38.10		41.03	a	46.90		49.75	b	52.90		51.84		48.60		44.81		44.57		37.06		44.78	a
1914	41.35		37.86		41.90		47.00		48.26		48.80		51.50	a	49.53	a	48.20		46.00		36.67	f	34.10		44.95	a
1915	36.08	f	40.19	a	40.68	c	47.07		47.04	c	-----	z	51.39		50.97		46.60		42.84		39.87		38.03		44.47	b
1916	35.93	a	43.32	a	41.71		42.59	a	43.39		47.47		50.42		51.53	a	47.97		41.88	f	33.77		33.39		42.86	a
1917	30.58		36.07		36.00		40.48	a	43.77		48.52	c	49.90		51.77		50.17		45.17	b	41.39	b	36.53	l	43.08	a
1918	37.74		36.18		38.77		41.00		42.00		48.46	b	50.00		49.26		51.07	a	45.58		39.41	a	33.77	a	42.77
1919	29.12	n	38.15	a	39.03	a	43.07	a	46.47	p	46.63	c	48.84		49.77	a	47.55	a	-----	z	34.60		34.97		42.51	c
1920	35.43	a	35.38		37.42		40.62	a	41.20	a	49.10		47.94		49.81		47.37		43.30	a	41.24	a	37.32		42.18
1921	36.87		37.93		42.03		43.05	i	43.42		51.28	a	48.93	a	47.77		46.93		47.26		39.27		38.60	a	43.66	a
1922	30.45		35.57		38.13		38.87		43.90		49.20		50.81		47.84		46.13		45.39		36.90	a	38.52		41.81
1923	34.23		35.29		38.43	a	43.90		45.42		46.63	c	48.90	a	50.39		49.60		45.03		40.33		33.87		42.67
1924	32.74		40.93		36.58		41.37		46.94		47.97		48.17	a	47.71		45.93		44.65		38.97		34.33	a	42.19
1925	38.13		40.71		37.67	a	43.97		48.57	a	48.27		51.26		49.71		47.90		43.61		40.27		37.10	a	43.93
1926	33.71		42.18		41.45		47.13		46.63	a	47.62	a	48.63	a	49.47	a	44.27		45.87	a	44.83		36.03		43.99
1927	39.84		37.68		39.61		41.57		42.29		49.60		-----	z	49.29		48.13		44.13		43.20		34.52		42.71	a
1928	38.19		-----	z	43.23		40.47		47.23		48.87		49.32		49.97		46.37		43.32		38.40		34.16		43.59	a
1929	33.39		32.36		38.23		37.30		43.29		48.23		49.52		47.48		46.00		42.81		33.63		41.84		41.17
1930	32.71		39.46		39.87		42.23		43.10		47.47		47.81		48.45		48.17		42.84		36.97		32.42		41.79
1931	37.00		41.64		39.06		42.27		50.16		51.40		50.03		48.61		46.40		42.74		36.37		33.29		43.25
1932	33.45		36.38		42.29		39.63		45.48		49.17		49.97		47.81		47.63		44.68		41.63		31.16		42.44
1933	32.90		33.29		42.35		40.67		43.87	a	45.41	a	47.94		50.16		47.57		47.81		37.93		40.26		42.51
1934	39.71		44.21		46.06		45.47		48.71		50.80		49.87		51.97		48.37		45.81		43.90		37.77		46.05
1935	36.42		38.64		36.97		44.60		47.19		50.22	c	49.68		50.06		50.87		45.52		36.83		36.90		43.66
1936	40.65		40.28		41.81		44.47		49.55		51.23		51.26		51.77		47.70		44.06		35.07		34.84		44.39
1937	29.39		36.29		41.90		41.70		46.87		52.60		53.65		50.35		49.10		48.39		44.70		38.47	a	44.45
1938	37.13		39.86		40.32		42.37		46.45		49.73		52.03	a	49.10		50.47		46.16		35.57		38.55		43.98
1939	34.13		34.04		39.97		42.20		45.71		48.67		50.16		50.06		50.03		43.13		36.10		38.94		42.76
1940	39.16		42.03		42.35		42.83		44.45		46.77		46.77		48.29		52.80		46.94		40.57		41.10		44.51
1941	40.97		44.04		44.65		44.10		49.90		50.33		53.94		52.45		49.57		45.65		43.80		39.77		46.60
1942	38.29		38.54		36.94		43.70		44.84		48.97		50.94		50.16		47.00		44.00		39.90		39.26		43.54
1943	35.16		37.89		42.68		44.17		47.36	c	48.07		50.19		48.40	a	49.70		45.65		39.63		37.16		43.84
1944	35.87		37.86		38.77		40.37		44.65		49.07		48.77		47.06		-----	z	46.52		39.73		38.45		42.47	a
1945	36.71		40.25		36.65		43.20		45.61		50.57		53.13		49.23		47.31	a	48.35		42.07		39.90		44.41
1946	34.48		35.21		41.35		41.38	a	45.81		48.07		52.10		49.55	t	47.55	h	42.10		38.83		38.45		41.78	b
1947	29.90		41.82		44.48		45.53		49.32		52.40		49.61		51.61		48.53		49.06		39.33		36.03		44.80
1948	36.00		36.45		38.16		42.67		45.71		52.97		51.16		50.84		47.93		47.42		38.47		34.42		43.52
1949	27.19		36.14		43.94		44.30		47.84		50.50		49.65		49.68		49.93		42.26		42.50		34.06		43.17
1950	34.00		38.39		38.81		43.23		46.74		49.57		51.68		51.94		50.53		49.10		48.23		45.48		45.64
1951	39.16		39.46		39.77		44.50		48.26		50.37		49.32		51.45		50.67		47.87		43.33		38.45		45.22
1952	36.61		40.07		39.58		44.53		47.03		49.30		53.48		50.42		50.27		46.23		36.93		42.00		44.70
1953	43.26		38.18		39.39		40.50		45.45		49.80		49.97		52.32		53.87		45.58		45.67		38.23		45.18
1954	38.13	a	40.07		39.17	a	45.83		47.55		52.33		51.20	a	51.13		49.13		44.48		43.20		37.94		45.01
1955	35.00		36.07		38.42		39.33		47.77		50.10		51.19		47.48		47.60		47.45		41.70		43.15	e	43.77
1956	42.32		36.48		38.52		43.17		49.13		50.97		51.94		51.71		49.67		46.65		39.23		32.19		44.33
1957	33.32		42.86		43.35		45.30		49.74		54.53		52.55		49.90		51.27		48.58		40.60		39.26		45.94
1958	38.94		48.00		39.23		45.20		48.87		55.83		54.45		55.13		54.33		47.77		43.47		40.55		47.65
1959	41.52		40.00		43.74		44.97		48.87		53.77		52.87		52.74		53.13		51.39		39.13		35.48		46.47
1960	38.57	a	40.31		45.26		44.63		48.26		54.83		52.23		50.74		49.83		47.81		42.33		39.26		46.17
1961	38.19		43.68		41.90		43.80		47.16		53.47		52.84		54.45		50.53		47.87		40.23		37.90		46.00
1962	34.87		40.04		40.23		46.27		46.35		50.17		50.16		52.87		50.00		48.77		44.90		40.35		45.42
1963	33.68		48.36		41.03		42.97		49.16		51.87		50.65		52.87		54.03		50.81		44.37		37.03		46.40
1964	36.77		35.55		39.77		42.77		45.03		51.20		52.13		52.87		51.43		49.45		42.07		42.84		45.16
1965	39.45		39.04		42.29		46.53		46.65		50.43		51.06		54.10		49.17		48.90		46.33		35.19		45.76
1966	37.97		38.39		42.58		45.97		48.00		52.03		51.58		52.55		52.27		47.61		45.80		42.00		46.40
1967	39.03		38.82		40.81		38.93		47.13		51.03		52.65		51.90		54.77		49.26		45.40		35.90		45.47
1968	36.10		47.38		43.42		44.63		47.39		53.27		52.39		55.48		54.33		48.71		43.90		37.35		47.03
1969	38.06		39.93		39.81		43.53		51.10		54.77		52.48		52.81		52.00		49.23		41.00	a	43.00		46.48
1970	43.27	a	41.79		43.55		41.33		49.90		-----	z	52.32		51.90		49.70		46.48		48.00		40.26		46.23	a
1971	39.00		39.46		41.16		42.83		48.32		49.97		52.71		53.90		52.30		43.39		41.37		36.03		45.04
1972	33.52		42.69		45.32		44.93		47.90		51.57		55.32		53.84		52.33		51.55		41.80		35.19		46.33
1973	38.68		44.36		41.03		45.67		49.19		54.50		53.32		50.65		53.50		47.74		46.40		43.42		47.37
1974	39.61		38.68		45.06		45.03		47.68		52.03		55.13		54.19		52.63		47.97		41.63		39.19		46.57
1975	35.13		41.25		43.65		41.40		49.42		52.60		52.74		53.55		51.67		47.68		40.23		39.13		45.70
1976	34.71		40.24		39.00		43.00		48.42		54.47		54.55		54.45		53.00		47.39		45.30		33.68		45.68
1977	35.81		40.04	a	40.61		46.87		46.97		54.07		52.71		56.23		53.93		49.65		44.30		43.35		47.04
1978	44.23		44.36		48.26		45.13		51.61		53.73		53.26		54.19		55.13		49.42		39.33		34.32		47.75
1979	38.55		41.07		44.94		46.24	a	51.61		52.37		55.81		54.48		55.60		52.32		43.03		39.48		47.96
1980	41.48		46.66		43.45		46.10		48.74		51.00		53.42		53.06		51.90		48.29		42.57		39.68		47.20
1981	42.19		43.00		44.58		44.93		52.19		60.13		52.94		53.87		54.23		47.52		47.73		44.90		49.02
1982	35.81		41.79		41.94		44.03		49.19		52.03		53.61		54.06		54.67		49.55		41.97		38.65		46.44
1983	39.77		45.57		45.81		44.77		49.74		53.97		56.65		56.97		57.53		51.84		45.48	c	45.84		49.49
1984	41.23		40.59		46.42		45.57		52.68		53.59	a	57.10		55.45		56.40		49.77		43.90		37.48		48.35
1985	36.03		39.89		41.52		48.40		46.61		54.93		54.71		52.45		51.80		47.42		42.30		35.03	a	45.93
1986	44.19		46.07	a	46.58		46.73		49.77		55.20		52.77	a	52.77		50.07		49.55		42.33		38.84		47.91
1987	39.42		42.11	a	43.16		46.27		51.29		52.47		52.90		53.16		51.27		52.19		44.40		42.10		47.56
1988	40.32		40.76		43.61		46.33		48.87		52.73		56.00		54.03		50.03		49.29		45.97		37.97		47.16
1989	35.48		36.79		46.55		48.73		49.26		53.40		52.45		53.42		51.87		47.61		41.83		34.97		46.03
1990	39.16		38.21		43.52		50.57		49.06		53.38	a	54.42		55.65		53.23		48.48		41.17		31.19		46.50
1991	36.65		43.71		42.26		44.80		47.32		49.93		54.42		54.19		52.70		50.00		44.17		37.90		46.50
1992	37.40	a	45.48		46.35		49.43		52.45		53.00		55.13		54.28	b	52.70	c	50.77		43.67		37.30	a	48.16
1993	37.55		39.85	b	46.87		46.60		53.13		55.79	b	56.23		55.23		50.27		50.52		39.00		37.00		47.33
1994	38.39		38.93		43.45		45.59	a	50.39		51.90	a	52.23		51.60	a	52.47		47.26		37.60		37.50	a	45.61
1995	46.50	a	44.20	c	43.39		45.80		49.71		53.40		56.52		53.00		53.47		47.42		45.45	a	44.87		48.64
1996	40.52		45.04	a	43.21	b	47.10		50.19		52.31	a	54.87	a	53.16		51.57		48.97	b	45.62	a	44.17	a	48.06
1997	42.67	a	41.92	b	45.20	a	47.77		52.52		54.83		55.53	a	54.90		53.97	a	48.29	c	46.10		38.77		48.54
1998	44.90	a	42.89		43.74		43.63		48.06		54.34	a	55.00	b	53.52		54.31	a	46.90	a	44.10		35.17	a	47.21
1999	-----	z	39.96	a	40.61		44.28	a	48.10		51.13		53.81		49.33	a	51.61	b	45.93	c	46.38	a	35.74		46.08	a
2000	42.13	a	45.68	a	42.97		46.90	a	51.11	d	53.67	c	52.27	a	-----	z	51.57		48.81		39.59	c	37.73	a	46.58	a
2001	34.06		39.14		43.48		41.30		51.23		54.90	a	54.07	a	53.23		51.24	a	49.90	a	45.41	a	42.84		46.73
2002	37.10		39.25		40.36	c	44.53		47.55		55.52	a	54.79	c	54.00	c	50.83		45.57	c	42.59	a	41.58		46.14
2003	45.03		39.30	a	43.16		43.10		49.29		54.48	a	54.90		54.81		53.07	a	-----	z	41.41	c	40.90		47.22	a
2004	41.03		42.00		45.57	a	45.57		50.34	b	55.41	a	55.77	a	56.35		53.70		48.55		41.76	a	39.52		47.96
2005	39.71		44.29		45.41	b	44.83	a	51.13		55.27		56.10		53.26		50.59	a	48.13	a	44.07		42.57	a	47.95
2006	41.13	a	38.68		41.33	a	46.25	b	49.23	a	56.66	a	56.55	b	52.73	a	52.13		46.26		45.18	b	37.29		46.95
2007	34.10		40.89		42.80	a	44.97		49.29		53.83	a	54.72	b	54.94		51.93		47.77		42.60		37.35		46.27
2008	38.71		38.96	b	40.71		42.20		49.97		54.53		54.42		55.45		51.47		48.26		46.03	a	35.42		46.34
2009	37.61		41.21		42.39		43.93		51.67	a	52.50	b	53.33	a	54.52		53.80		50.06		42.03	a	39.29		46.86
2010	43.39		43.44	a	-----	z	43.50		46.13		54.07		52.97	a	52.73	a	50.87		49.71		41.90		44.00	a	47.52	a
2011	-----	z	36.00		43.03		44.57		46.06		51.63		53.55		51.97		52.43		49.35		38.97		32.80	a	45.49	a
2012	35.57	a	39.79		38.93	a	45.63		47.90	a	51.07		53.26		51.23		-----	z	-----	z	-----	z	-----	z	45.42	d
2013	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2014	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2015	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2016	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2017	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	52.75	w	52.73		45.16		44.70		35.20	p	47.53	i
2018	41.82	c	39.50	f	40.33	g	-----	z	50.23		49.40		53.10	u	53.71		52.40	y	51.39		-----	z	-----	z	49.31	g
2019	-----	z	38.64		42.80	a	49.97		48.68		53.70	g	53.87		56.03		54.57		46.48	d	41.20		43.19		47.54	b
2020	42.91	h	39.93		40.90		48.00		50.48		54.87		54.29		56.87		56.40		51.55		39.40		37.84		48.23	a
2021	41.10		41.75		39.71		43.73		50.19		54.23		53.00		54.52		53.00		48.81		44.70		40.06		47.07
2022	38.55		37.46		43.42		45.80		50.00	a	55.60		53.74		55.26		55.47		48.61		36.97		38.65		46.63
2023	39.87		35.29		39.97		44.23		48.94		51.93		53.13		57.19		54.13		48.65		43.00		43.48		46.65
2024	43.81		42.59		43.13		44.65	g	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	43.17	i
Period of Record Statistics
MEAN	37.70		40.08		41.63		43.91		47.76		51.41		52.00		51.75		50.64		47.09		41.77		38.03		45.54
S.D.	3.60		3.30		2.63		2.52		2.56		2.71		2.56		2.69		2.92		2.52		3.17		3.29		1.95
SKEW	-0.13		0.18		0.11		-0.10		-0.33		0.20		-0.34		-0.16		-0.13		-0.13		-0.37		0.26		-0.32
MAX	46.50		48.36		48.26		50.57		53.13		60.13		57.10		57.19		57.53		52.32		48.23		45.84		49.49
MIN	27.19		32.15		36.00		37.30		41.20		45.41		43.55		44.37		43.13		42.10		33.63		31.16		41.17
YRS	111		118		117		117		117		116		116		116		114		115		114		116		89