MONTEBELLO, CA

Average of Minimum Temperature (Degrees Fahrenheit)

(045790)

File last updated on April 18, 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
1979	45.52		44.79		50.17	a	54.10	a	55.45		61.24	a	62.81		63.77	a	65.10	a	56.74		49.80		49.07	b	54.88
1980	50.90		52.07		48.39		51.07	a	52.55	b	58.00	a	62.81		63.77	a	58.69	a	56.23		48.59	a	46.84		54.16
1981	47.00		46.60	c	46.70	a	51.90	a	55.68		61.97		61.90		61.90		59.43		53.35		51.90		47.87	a	53.85
1982	45.07	a	50.89		49.33	a	51.37		58.20	a	57.53		62.86	b	65.35		65.20		58.07	b	49.52	c	45.45		54.90
1983	49.76	b	49.65	b	51.40	a	51.07		56.90		62.00	a	64.81		69.45		68.83		62.24	b	53.31	a	50.40	a	57.49
1984	47.41	b	-----	z	51.52	b	53.78	c	59.13		61.83		66.16		68.32		70.10	a	58.48		50.60		48.32		57.79	a
1985	45.29		47.93		46.00		54.27		55.45		59.54	b	67.29		63.43	a	61.77		56.27	a	49.90		48.94		54.67
1986	54.13		49.89		52.19		54.17		56.84		61.87		62.90		64.42		59.40		58.32		52.93		47.45		56.21
1987	46.34	b	47.78	a	49.26		54.70		58.87		61.14	b	61.23	a	62.83	a	63.87		62.16		53.37		44.37	a	55.49
1988	46.73	a	48.36	a	52.97	a	53.47		-----	z	58.07		65.83	b	64.71		63.52	c	59.45		51.07	a	45.29		55.41	a
1989	46.18	c	46.25		51.52		56.97		56.10		61.20		63.58		63.07	a	62.76	a	56.79	b	51.97		46.65		55.25
1990	45.45		44.54		49.48		55.90		56.43	a	62.40		67.53	a	66.48	b	65.40		60.48	b	51.43		45.13		55.89
1991	46.68		49.81	b	47.16		52.97	a	55.48		-----	z	-----	z	64.03	a	63.24	a	60.84		53.73		49.07	a	54.30	b
1992	48.00	a	51.43	a	53.74		57.90	a	60.59	b	59.87		67.52	b	68.79	b	63.38	f	-----	z	52.93	c	45.80	a	56.66	b
1993	46.79	b	49.88	b	51.85	e	54.44	c	58.52	b	62.62	d	64.92	g	64.66	b	62.72	a	59.50	a	53.10		47.39		55.59	a
1994	-----	z	46.92	b	53.47	a	53.62	a	56.11	d	62.31	a	63.13	a	67.97		63.41	c	58.17	a	47.71	b	48.06		56.44	a
1995	49.72	b	54.19	b	52.34	b	52.86	b	55.80	a	58.04	e	63.26		64.43	c	64.13	g	57.90	b	-----	z	50.03		55.86	b
1996	-----	z	52.23	c	51.55		54.61	b	59.23	a	61.57		64.35		65.26	d	62.93	b	57.00	b	53.21	f	48.69	e	57.74	b
1997	50.31	b	49.07	a	53.37	a	-----	z	62.72	b	63.90		64.45		66.39	c	68.13		59.42	e	54.93	b	46.38	e	58.10	a
1998	49.40	a	47.80	c	51.48		51.25	b	54.64	f	58.87	g	66.04	c	67.13	h	64.20	e	55.54	g	49.32	e	44.25	g	54.21	e
1999	47.27	i	47.91	f	47.78	d	50.53		55.28	f	58.42	d	63.18	c	62.14	c	61.15	c	59.47	a	51.96	g	46.41	d	56.13	d
2000	49.90	b	49.74	b	50.54	c	53.00	h	58.60	f	63.73	h	62.54	g	66.50	e	63.00	d	57.14	i	47.77	h	50.93	q	55.93	g
2001	45.96	f	46.30	e	51.71	j	52.10	i	58.40	f	62.36	e	64.80	p	63.38	o	61.56	l	58.17	m	50.13	o	46.29	x	54.33	j
2002	45.93	d	48.46	d	49.21	c	53.00	i	-----	z	-----	z	63.55	k	62.68	i	61.67	o	56.18	n	52.58	r	46.18	t	47.87	i
2003	50.05	j	49.00	l	50.14	j	48.72	e	56.50	m	60.29	m	67.39	m	64.61	h	62.85	j	59.11	m	47.40	y	44.43	x	48.72	k
2004	46.88	w	45.75	m	53.71	g	55.18	b	59.11	c	61.92	d	63.70	d	64.32	c	67.71	p	56.00	v	46.92	q	44.08	s	60.85	g
2005	47.38	o	47.50	r	51.17	g	54.32	k	56.80	k	59.50	l	65.15	k	64.70	k	57.56	n	58.20	k	51.38	v	47.63	l	-----	z
2006	45.87	h	46.77	o	44.53	n	51.11	k	58.26	l	63.92	q	68.57	x	64.50	o	63.11	u	-----	z	-----	z	-----	z	-----	z
2007	41.07	q	44.80	r	49.71	q	47.00	y	53.25	w	58.45	s	62.80	p	63.53	p	64.33	x	54.60	u	47.83	x	-----	z	-----	z
2008	43.50	w	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2009	-----	z	45.85	h	47.86	i	50.90	i	56.71	n	59.70	t	63.85	r	62.38	r	64.53	m	-----	z	-----	z	47.32		47.32	k
2010	49.23	i	49.90	r	48.73	a	51.14	a	54.08	g	59.78	l	62.35	e	59.58	l	59.74	g	58.00	v	-----	z	-----	z	54.07	i
2011	34.00	u	42.90	r	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	47.83		48.84		50.42		53.30		57.32		60.85		64.18		65.09		63.64		58.47		51.45		47.38		55.28
S.D.	2.38		2.45		2.22		2.20		2.32		1.86		1.88		2.12		2.99		2.19		2.01		1.66		1.06
SKEW	0.96		0.18		-0.33		0.04		0.35		-0.55		0.53		0.56		0.44		-0.21		-0.17		0.02		0.70
MAX	54.13		54.19		53.74		57.90		62.72		63.90		67.53		69.45		70.10		62.24		54.93		50.40		57.49
MIN	45.07		44.54		46.00		48.72		52.55		57.53		61.23		61.90		58.69		53.35		47.71		44.37		53.85
YRS	20		22		24		23		19		21		21		22		20		19		18		21		10