CHICO UNIVERSITY FARM, CA

Average of Minimum Temperature (Degrees Fahrenheit)

(041715)

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
1906	37.71	n	42.07		42.52		43.60		48.37	a	51.97		60.74		57.52		49.97		43.52		36.83		38.23		46.85	a
1907	35.42		42.29		40.52		45.40		47.52		52.97		57.10		54.23		48.00		48.45		36.43		37.68		45.50
1908	39.97		37.52		37.55		43.97		46.97		49.67		61.63	a	55.45		50.67	l	42.32		38.03		34.68		44.34	a
1909	43.26		41.04		38.23		42.93		47.10		56.10		55.87		54.42		52.80		47.47	a	42.97		32.55		46.23
1910	34.71		36.68		43.55		46.57	b	51.35		54.54	q	58.97		53.97		50.65	g	45.35	h	42.47		35.30	a	44.84	c
1911	36.55		34.11		41.81		42.13		45.81		54.70		61.55		52.87		49.00		44.74		35.57		31.13		44.16
1912	39.10		39.07		39.74		43.10		49.52		55.52	a	58.94		55.16		52.70		43.10		40.80		31.71		45.70
1913	32.00		34.65	b	37.68		44.30		49.06		55.24	a	61.35		62.16		55.63		44.68		43.23		36.42		46.37
1914	40.55		37.25		43.13		47.60		52.39		54.63		57.00		52.32		52.14	w	48.08	e	38.03		34.00		45.91	a
1915	36.58		42.43		43.55		46.07		50.74		54.67		59.81		58.45		51.23		42.90		41.07		38.23		47.14
1916	36.68		42.79		42.32		45.38	a	47.35		53.73		59.44	f	56.71		52.37		44.39		34.53		33.29		44.50	a
1917	30.19		36.00		34.74		42.50		46.97		54.33		60.87		59.42		53.70		47.00		39.60		37.13		45.20
1918	35.61		36.54		40.90		41.40		46.61		58.67		56.97		57.39		55.83		47.71		35.97		31.90		45.46
1919	34.00		39.32		39.90		45.43		51.77		52.93		59.13		56.68		53.43		41.55		34.07		34.74		45.25
1920	35.97		35.62		39.13		41.40		46.74		54.73		55.52		57.87		53.33		44.26		39.83		38.11	d	45.21
1921	37.48		37.61		43.74		41.60		47.68		57.20		56.39		53.03		50.90		48.48		39.40		38.23		45.98
1922	30.65		38.46		39.80	k	39.10		47.32		55.80		59.65		55.39		53.27		46.10		34.73		41.76	b	45.66	a
1923	41.29		33.46		35.77		43.33		47.58		50.97		56.71		56.13		55.57		44.48		38.23		31.50	a	44.59
1924	29.87		39.69		36.55		41.03		50.00		54.50		55.87		56.10		51.33		47.84		38.10		33.00		44.49
1925	36.48		42.00		40.35		47.28	a	53.00		58.40		61.39		57.77		52.50		44.48		38.23		35.39		47.27
1926	32.32		40.71		43.06		50.60		51.42		59.23		60.65		57.23		49.27		48.23		47.20		35.00		47.91
1927	38.81		41.79		40.39		43.20		47.90		56.67		57.26		55.68		52.00		46.55		44.63		33.06		46.49
1928	36.97		37.24		45.42		43.57		53.45		57.07		62.23		58.29		53.77		46.84		40.73		33.55		47.43
1929	34.45		33.57		41.10		42.97		49.65		56.30		58.74		58.52		52.53		48.19		37.93		42.32		46.36
1930	35.77		41.75		41.45		47.40		48.26		54.27		59.42		58.55		54.60		45.13		39.27		31.52		46.45
1931	36.68		40.71		42.45		46.10		55.58		57.03		63.77		60.23		52.33		47.10		37.50		36.74		48.02
1932	34.84		35.48		42.65		42.53		51.10		52.63		59.65		58.29		56.57		46.29		42.03		29.39		45.95
1933	33.23		32.64		43.16		43.47		47.42		56.47		63.58		62.00		53.23		51.94		39.93		38.13	a	47.10
1934	38.58		43.75		46.45		48.53		54.26		57.87		60.39		60.84		55.80		49.97		45.24	a	40.58		50.19
1935	36.74		39.68		38.26		46.97		50.32		58.93		60.03		60.39		54.90		46.03		37.00		35.29		47.05
1936	38.32		40.31		40.35		46.40		52.52		57.47		61.65		59.10		53.50		48.68		36.83		33.50	a	47.39
1937	28.17	a	37.68		43.17	a	44.13		51.26		57.83		62.27	a	58.55		55.63		49.29		44.63		38.45		47.59
1938	37.68		40.04		41.74		45.73		51.23		59.03		62.45		57.13		57.33		48.63	a	35.53		36.65		47.76
1939	35.03		32.82		42.35		47.47		51.74		55.13		60.23		57.94		55.70		45.84		36.87		38.16		46.61
1940	39.45		42.79		42.55		46.20		53.13		60.37		59.42		58.29		54.57		49.32		38.67		38.52		48.61
1941	39.26		43.11		41.87		43.67		52.03		55.17		60.48		57.81		50.60		44.90		41.31	a	38.65		47.40
1942	34.00	d	35.00		39.16		45.37		47.65		56.37		62.16		58.52		53.27		47.77		40.27		38.03		46.46
1943	34.19		38.82		42.45		46.90		48.70	a	51.23		59.32		54.26		54.87		45.71		38.67		34.10		45.77
1944	33.45		37.28		39.03		43.40		50.13		55.33		58.77		56.26		54.87		47.81		40.59	a	38.55		46.29
1945	35.32		39.04		38.39		42.57		51.29		57.27		62.42		57.06		54.17		50.52		42.37		37.52		47.33
1946	32.32		34.75		40.52		44.80		50.03		54.67		61.58		57.45		54.10		45.32		38.67		38.13		46.03
1947	31.84		40.96		44.23		46.73		54.19		56.83		58.06		56.42		55.97		50.81		37.10		35.32		47.37
1948	35.43	a	35.45		37.20	a	44.43		48.00		56.90		58.97		56.71		53.50		47.03		37.83		35.29		45.56
1949	25.35		35.68		43.16		46.20	e	52.13		57.97		58.58		56.61		55.30		43.94		42.73		32.77		45.87
1950	34.29		37.93		41.19		45.90		49.39		55.70		61.87		59.58		56.37		50.61		46.80		42.65		48.52
1951	37.68		38.32		37.71		45.27		52.23		56.77		58.03		58.32		56.63		46.90		42.67		37.16		47.31
1952	36.26		39.14		38.19		45.73		51.48		53.40		64.42		58.77		58.00		50.52		36.23		41.13		47.77
1953	43.35		35.79		38.68		43.90		46.81		53.40		60.45		57.68		57.53		46.10		44.97		36.39		47.09
1954	38.10		39.50		39.39		47.67		50.81		55.00		60.97		56.16		50.90		44.84		42.40		36.19		46.83
1955	33.03		33.11		36.77		41.30		50.68		55.33		57.84		56.39		51.90		46.48		38.90		40.60	a	45.19
1956	40.06		32.38		38.65		43.90		50.97		57.10		61.65		57.55		54.30		46.94		37.40		31.58		46.04
1957	32.32		42.75		44.52		44.20		51.81		59.47		60.58		55.42		55.93		49.35		37.70		37.35		47.62
1958	37.35		47.11		39.65		43.90		53.48		58.20		62.84		64.10		57.70		49.81		40.60		39.77		49.54
1959	41.00		39.11		41.23		46.30		48.90		59.63		62.06		58.87		55.17		50.03		36.63		32.48		47.62
1960	36.81		39.52		44.90		45.33		50.03		60.33		62.94		57.94		54.77		47.58		42.77		36.81		48.31
1961	36.10		41.00		42.55		43.83		48.48		58.90		58.58		61.77		52.93		46.35		38.00		35.74		47.02
1962	31.93	a	40.11		39.06		45.73		49.94		55.80		59.94		58.58		55.27		51.13		43.17		37.23		47.32
1963	29.39		46.79		39.48		44.07		53.26		56.43		58.32		58.10		58.00		51.61		42.97		34.71		47.76
1964	35.97		32.07		37.26		42.70		49.26		56.20		60.45		59.84		52.70		49.87		40.23		42.45		46.58
1965	38.68		35.32		40.97		48.43		48.97		55.07		59.58		61.06		50.87		47.52		45.43		34.16		47.17
1966	35.55		36.14		42.06		46.60		52.74		57.80		57.65		61.42		55.93		47.65		44.57		39.68		48.15
1967	36.74		37.07		41.13		41.23		50.94		57.27		63.29		63.97		59.30		47.90		44.83		33.97		48.14
1968	34.74		46.45		42.97		41.90		50.13		58.63		61.16		58.61		55.47		47.48		42.53		35.74		47.99
1969	36.97		39.61		38.68		43.63		52.97		57.60		61.35		57.65		56.67		45.48		39.47		40.26		47.53
1970	42.13		40.46		40.42		39.07		51.71		58.10		60.90		56.84		51.47		46.00		45.50		39.03		47.64
1971	35.77		34.86		39.55		42.33		49.45		56.17		63.77		61.71		54.27		44.55		39.03		33.52		46.25
1972	32.23		41.10		44.27	a	44.30		51.61		58.67		61.10		61.23		53.33		49.10		42.23		32.03		47.60
1973	35.00		42.39		39.10		43.30		-----	z	59.72	a	62.86	b	57.76	b	53.87		-----	z	-----	z	40.41	i	49.25	d
1974	37.90	k	-----	z	46.37	l	43.13		50.58		58.30		61.68		61.10	a	54.78	c	47.87		40.14	a	35.71		50.37	c
1975	31.45		38.46		41.26		38.86	b	49.03	a	55.87		59.55		57.71		56.40		45.50	a	37.97		35.38	b	45.62
1976	31.16		38.07	b	37.29		41.93	c	51.00		55.10		60.94		56.28	b	53.73		47.34	b	41.96	b	29.29		45.34
1977	31.55		37.44	a	37.00		44.80		47.39		59.63		58.94		60.97		54.43		48.23		39.07		39.77		46.60
1978	41.90	a	40.85	a	45.66	b	43.25	b	50.50	a	56.17		61.53	a	60.89	d	52.33	f	49.08	g	37.36	b	30.40	f	48.68	c
1979	34.35	e	38.11		43.45	b	43.67	f	51.45	b	-----	z	61.03	b	58.62	b	57.34	a	49.25	c	-----	z	33.27	e	47.43	c
1980	-----	z	42.14	a	39.31	b	46.00	f	49.07	d	-----	z	60.82	i	-----	z	53.15	j	46.95	i	38.00	l	-----	z	43.51	i
1981	41.37	l	38.92	d	40.70	d	45.95	k	52.93	a	61.32	h	58.00	j	58.10		56.56	e	44.52	h	43.62	n	40.55	k	49.44	g
1982	31.00	i	38.12	b	42.25	g	43.50	d	51.72	f	57.50	j	59.57	j	58.20	f	56.32	h	46.36	f	40.09	g	34.55	k	40.81	j
1983	36.27	e	41.68		44.93	b	43.30	c	51.75	c	56.36	b	55.14	j	60.73	i	55.24	e	49.81	j	41.46	d	39.84	l	46.37	d
1984	35.64	i	34.54	c	42.96	h	45.75	b	54.57	j	56.38	f	64.00		59.64	f	55.73	h	44.67	g	40.75	j	33.75	k	48.10	i
1985	31.00	b	34.96	a	36.65	e	45.36	h	48.39	h	54.52	g	59.43	c	53.68	c	51.58	f	46.64	c	36.76	e	26.38	e	40.69	d
1986	36.97	b	42.21	d	44.03	b	45.14	b	50.77	e	55.20	e	58.81	e	58.62	e	50.19	c	46.04	c	38.00	d	33.21	c	46.60
1987	31.30	a	37.29		40.47	a	47.04	e	54.97	a	57.90		56.97	b	57.87	a	52.93		49.43	c	40.54	b	34.96	g	47.88	a
1988	36.17	b	36.28		38.33	a	46.52	a	49.17	a	57.23		63.90	a	58.07	d	54.75	b	50.18	c	44.07	a	35.43	a	47.51
1989	31.00	a	34.74	a	44.90		48.50	d	51.47	a	57.38	a	59.48	b	57.40	f	53.86	a	46.70	a	38.33		33.07	a	45.40	a
1990	35.35		32.38	b	42.00		49.79	a	51.54	c	56.08	d	63.83	b	61.47	a	55.70		47.50	k	35.90	a	30.71	j	48.40	b
1991	30.92	f	39.85	b	39.00	d	42.90		48.45		54.08	d	61.86	c	55.73	a	54.54	b	51.25	o	39.57	i	33.53	a	47.77	c
1992	34.10	b	44.21	a	44.93	a	49.13		55.77	a	57.38	a	58.69	b	59.42		55.41	c	49.33	a	39.96	c	34.65	e	48.58
1993	34.26		37.32		-----	z	-----	z	51.61	c	54.36	e	60.87		57.97		53.52	c	50.60	k	35.21	b	34.03	b	46.57	c
1994	34.29		35.73	b	41.93	a	44.72	a	52.03		55.73		60.07	b	55.03		53.93	a	44.16	f	35.00	b	36.24	b	45.88	a
1995	43.10		41.68		41.73	a	44.38	a	50.32		56.27		61.61		57.71		55.48	a	46.12	e	43.66	a	40.32		48.53
1996	38.55		41.81	b	41.63	d	45.93	a	51.50	c	57.67		64.03		60.35		52.87		45.73	a	41.62	a	40.53	a	48.52
1997	38.45		36.96		41.63	a	45.32	b	55.58		59.53		60.48		59.70	a	56.23		47.00	a	43.77		35.10		48.31
1998	41.61		41.00	b	41.80	a	45.25	b	49.53	a	56.47		62.00		59.00		57.90	a	44.32		40.38	f	31.53	a	48.22	a
1999	34.07	a	36.69	b	39.20	a	44.07		48.90	b	54.27		56.03	a	57.55	b	55.14	b	46.61		41.22	l	31.45	b	45.82	a
2000	37.38	b	41.59	b	40.89	d	46.63	c	52.48		58.44	c	56.08	f	57.52	b	53.59	a	47.38	j	36.75	f	33.96	h	48.57	d
2001	32.21	b	36.31	b	43.17	b	42.44	e	54.00	e	57.79	f	60.29	j	57.79	l	56.94	l	49.80	k	43.92	e	38.94	o	42.01	f
2002	33.45	i	38.00	b	36.83	h	46.30	g	51.86	j	-----	z	59.04	e	58.32	c	55.05	h	45.35	n	42.07	o	38.85	r	51.79	i
2003	42.53	l	36.83	e	43.04	g	43.35	g	52.95	l	59.48	i	65.11	l	60.05	j	57.20	j	49.77	i	40.28	l	39.06	n	36.83	k
2004	37.35	k	40.53	j	45.29	j	46.52	i	52.37	l	58.50	j	59.59	n	58.88	n	54.57	i	47.06	m	40.68	k	37.36	t	-----	z
2005	36.17	m	42.05	h	44.40	p	45.88	m	53.12	n	-----	z	65.39	m	60.45	i	52.10	j	47.38	j	42.94	m	32.64	t	-----	z
2006	39.15	k	35.88	k	39.88	n	47.80	j	55.32	l	59.95	k	60.94	o	54.47	n	49.37	k	38.74	l	39.28	l	37.31	r	-----	z
2007	29.93	p	39.08	p	44.20	p	45.13	o	54.60	u	60.00	k	62.24	n	63.23	r	58.50	n	53.23	r	41.31	q	38.47	p	-----	z
2008	-----	z	-----	z	-----	z	41.65	m	55.62	o	55.78	u	58.55	k	59.21	l	50.65	j	44.19	j	40.13	o	29.92	s	-----	z
2009	28.73	p	39.00	i	37.12	n	41.82	m	52.79	q	56.65	j	58.59	n	54.31	r	53.21	k	42.95	j	34.44	n	28.17	s	-----	z
2010	35.00	n	38.71	k	34.20	p	38.87	o	43.11	m	54.07	p	57.37	l	51.62	r	46.90	i	41.84	l	40.29	m	41.85	r	-----	z
2011	32.73	p	32.92	p	41.56	o	43.37	k	46.12	o	55.58	k	59.67	m	58.83	h	56.29	p	46.74	l	37.64	s	28.20	p	-----	z
2012	31.50	u	37.74	j	41.05	l	42.25	r	52.14	j	55.61	l	58.13	p	58.19	j	53.27	o	48.00	k	38.69	q	36.36	t	-----	z
2013	29.56	m	33.20	m	40.08	s	44.44	u	-----	z	57.27	s	59.31	r	63.57	x	52.62	v	40.30	u	39.57	w	29.38	w	-----	z
2014	-----	z	40.00	x	44.82	t	43.00	w	-----	z	50.43	w	63.31	r	61.14	j	55.12	n	47.53	l	41.88	n	45.40	p	-----	z
2015	35.50	q	40.21	n	43.44	o	46.61	l	55.63	l	63.11	l	64.68	l	61.17	m	59.75	n	50.12	n	40.00	t	-----	z	-----	z
2016	43.93	p	38.95	j	43.42	g	47.68	k	52.19	j	56.39	g	58.82	n	58.65	h	54.00	h	50.38	g	41.57	i	32.50	y	-----	z
2017	36.77	i	43.00	j	43.44	f	47.50	l	52.86	i	61.23		61.72	f	63.93	b	57.57		45.68		42.89	k	31.33	s	57.10	h
2018	39.48	b	33.54		39.45		45.30		52.46	c	56.71	i	63.97	a	58.77	a	54.94	l	44.89	m	-----	z	32.38	w	47.57	e
2019	35.86	x	36.29	k	41.56	m	51.85	q	50.67	p	62.08	q	62.83	y	-----	z	-----	z	42.30	k	39.62	n	43.20	u	-----	z
2020	36.00	o	35.82	l	-----	z	-----	z	-----	z	58.71	w	61.12	o	63.67	j	56.75	n	46.73	p	34.73	s	32.50	s	-----	z
2021	36.90	u	38.33	y	-----	z	-----	z	50.00	x	-----	z	-----	z	-----	z	-----	z	46.89	m	41.94	m	36.67	p	-----	z
2022	35.79	l	33.94	j	43.31	o	44.86	p	47.90	u	57.62	q	61.62	w	62.11	v	57.57	p	-----	z	35.20	t	-----	z	-----	z
2023	46.17	y	32.16	i	37.47	n	42.44	l	51.38	j	58.08	q	60.00	y	60.50	y	56.50	x	49.57	x	37.00	x	-----	z	-----	z
2024	-----	z	38.50	w	40.25	w	40.80	y	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	35.69		38.52		40.89		44.58		50.51		56.36		60.32		58.05		54.22		47.10		40.02		35.81		46.92
S.D.	3.52		3.34		2.50		2.29		2.26		2.21		2.16		2.39		2.23		2.22		3.16		3.28		1.20
SKEW	-0.06		0.18		-0.07		0.00		0.12		-0.40		-0.19		0.16		-0.36		-0.05		0.23		-0.06		0.01
MAX	43.35		47.11		46.45		50.60		55.77		61.23		64.42		64.10		59.30		51.94		47.20		42.65		50.19
MIN	25.35		32.07		34.74		38.86		45.81		49.67		55.52		52.32		48.00		41.55		34.07		26.38		44.16
YRS	90		98		92		92		93		89		91		93		88		83		86		85		70