MONTEBELLO, CA

Average of Maximum Temperature (Degrees Fahrenheit)

(045790)

File last updated on April 19, 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	64.23		67.63	a	70.84		79.90	a	79.74		88.37		89.27	a	87.45	b	94.40	e	80.03		74.40		75.00	c	79.27
1980	68.00	a	73.14		71.84		78.14	b	75.03	b	85.14	b	91.87		89.50	a	85.66	a	84.68		77.48	a	75.45		79.66
1981	71.57	a	76.04	c	71.24	b	77.66	a	81.87		91.57		91.58		93.58		88.24	a	80.57	a	75.79	a	70.94		80.89
1982	68.03	b	70.33	d	69.34	b	74.22	c	75.20	a	76.96	c	88.46	c	90.20	a	86.79	a	83.52	b	72.70	c	68.59	b	77.03
1983	70.76	f	69.88	d	69.59	b	71.71	b	78.63	a	77.81	c	87.47	a	91.94		89.68	b	83.14	c	71.80		66.80	a	78.04	a
1984	73.67	d	-----	z	76.93	c	77.96	e	87.03	a	82.87		92.35		89.62	b	94.41	c	79.63	a	72.31	d	65.55	b	81.12	a
1985	68.03	a	70.57		69.23		78.39	b	75.90		85.60		92.00	c	89.65		83.72	a	82.18	c	71.25	b	74.30	a	78.40
1986	75.59	d	70.19	a	73.30	a	78.35	d	79.35	e	83.50		86.14	b	90.57	a	80.10		81.73	a	79.27		72.13	a	79.18
1987	69.00	b	71.15	b	71.68		82.64	b	78.22	d	81.70	c	83.24	b	86.41	d	88.07	c	82.52	b	74.27		66.50	c	77.95
1988	69.80	a	75.54	a	78.07	c	78.17	a	-----	z	82.60		89.67	a	85.90	b	86.19	d	83.08	e	74.54	d	69.71		79.39	a
1989	69.83	b	67.85	a	75.70	a	81.39	b	78.36	c	80.43	b	88.83	a	85.83	a	88.43	b	79.93	d	78.76	a	75.94		79.27
1990	72.40	a	68.96	b	72.57	c	76.89	b	79.48	b	87.93	b	92.17	b	88.31	e	89.22	c	86.46	c	79.13		70.47	a	80.33
1991	70.07	a	77.04	d	68.70	d	77.29	b	77.30	d	-----	z	-----	z	87.10	a	87.74	c	85.66	b	79.00	a	71.07	b	78.10	b
1992	72.20	a	72.84	d	69.11	d	82.00	a	80.07	c	83.30		88.68	c	92.80	a	91.22	g	-----	z	77.23	d	66.67	a	78.49	b
1993	65.18	c	67.13	e	75.78	d	81.04	c	82.28	b	85.73	d	83.74	d	86.76	b	85.63	c	82.45	b	75.62	a	70.97	b	78.52
1994	-----	z	69.08	c	75.57	a	74.61	b	74.74	d	87.48	c	86.30	d	93.27	a	89.25	b	81.20	a	70.62	d	70.39		79.32	a
1995	65.03	b	75.29	d	71.79	c	77.07	c	74.60	a	80.96	f	89.32		91.75	c	90.39	g	82.78	d	-----	z	70.23		77.54	c
1996	-----	z	70.42	c	73.90	a	82.24	a	81.10	b	85.50		89.94		90.93	d	86.04	b	79.93	b	76.43	g	73.71	g	82.22	c
1997	68.46	c	72.69	b	79.32	c	-----	z	85.34	b	82.30		86.10	b	90.73	e	92.79	a	84.15	d	78.93	b	70.64	f	82.08	b
1998	69.13	a	66.48	e	73.79	b	73.08	d	74.20	f	80.83	g	90.30	d	93.43	h	83.48	e	80.43	h	74.04	e	70.75	g	75.76	e
1999	71.95	j	71.91	f	69.22	d	72.86	a	77.08	f	81.60	e	87.67	d	88.96	c	84.92	d	90.47	a	75.67	f	75.60	f	82.24	e
2000	71.79	c	69.52	b	72.04	c	81.90	i	83.00	f	86.95	h	88.83	g	91.60	f	88.68	e	78.68	i	74.41	h	76.14	q	75.50	h
2001	68.92	f	67.00	f	69.90	j	76.10	j	81.20	f	86.62	d	86.57	q	87.74	l	88.44	l	83.06	n	74.64	p	66.00	x	86.62	k
2002	70.59	d	77.70	e	73.57	c	73.74	k	-----	z	-----	z	90.20	k	87.32	i	92.88	n	76.35	n	77.45	s	71.92	s	73.95	i
2003	80.37	l	71.79	i	76.52	j	75.74	g	81.32	l	80.69	n	91.82	n	94.39	h	90.11	k	91.28	m	82.40	y	72.71	x	-----	z
2004	75.50	w	67.67	n	80.14	i	79.11	c	84.46	e	83.22	c	88.52	d	88.07	c	92.47	m	79.73	t	74.92	r	74.75	s	84.68	g
2005	69.19	o	73.67	s	75.12	g	78.53	k	82.45	k	82.50	l	90.70	k	91.95	k	86.88	m	84.63	l	81.00	v	74.32	l	-----	z
2006	73.36	i	76.85	o	65.88	o	76.11	k	81.25	k	89.83	r	97.09	t	90.62	o	91.78	u	-----	z	-----	z	-----	z	-----	z
2007	69.15	r	72.90	r	83.00	q	80.60	y	84.50	w	88.09	s	92.62	o	95.31	o	96.33	x	90.20	u	84.83	x	-----	z	-----	z
2008	71.50	w	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2009	-----	z	72.50	h	75.40	k	81.43	i	84.32	i	82.70	t	92.36	q	91.92	r	92.06	m	-----	z	-----	z	68.40	a	68.40	k
2010	71.39	h	71.20	r	76.10	b	73.21	b	77.48	h	81.91	g	85.54	e	87.47	l	88.74	g	79.00	v	-----	z	-----	z	78.29	i
2011	66.20	p	71.20	r	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	69.61		71.40		72.88		77.63		79.41		84.01		88.60		89.49		87.67		82.85		75.40		70.50		79.05
S.D.	2.94		3.34		3.05		3.24		3.64		3.55		2.64		2.40		3.55		2.69		2.95		3.16		1.13
SKEW	-0.03		0.45		0.39		-0.22		0.47		-0.03		-0.35		0.07		0.18		1.17		-0.06		0.23		-0.12
MAX	75.59		77.70		79.32		82.64		87.03		91.57		92.35		93.58		94.41		90.47		79.27		75.94		80.89
MIN	64.23		66.48		68.70		71.71		74.60		76.96		83.24		85.83		80.10		79.63		70.62		65.55		77.03
YRS	19		21		24		22		19		20		22		21		20		19		18		18		10