CAIRO 3N, IL

Average of Average Temperature (Degrees Fahrenheit)

(111166)

File last updated on July 3, 2025
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
1987	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	66.83	o	-----	z	-----	z	-----	z	-----	z
1988	-----	z	-----	z	-----	z	-----	z	65.53		75.28		78.69		80.13	a	69.65	d	53.19		47.00	b	36.90		63.30	d
1989	39.75	a	30.83	a	46.78	b	58.97	a	64.22	b	-----	z	78.68	c	76.77	e	67.27	h	58.80	i	46.35	m	25.61	l	56.57	e
1990	-----	z	44.18	i	49.76	j	56.64	l	63.15	h	75.79	b	78.16		74.94		72.10		55.81		50.77		38.18	i	67.93	f
1991	32.93	d	40.84	c	-----	z	61.96	b	71.10		77.10		80.12	b	-----	z	69.72	g	61.02	c	42.59	g	41.97	m	60.72	e
1992	36.56		44.31		48.89		59.50	a	64.81		71.42	j	78.70	f	73.50	i	67.25	h	57.07	q	46.70	g	36.97	m	50.81	g
1993	36.64	j	34.03	j	43.84	l	55.25	l	66.05	i	75.07	i	82.98	d	79.34	f	66.89	h	53.71	l	43.24	m	38.54	h	82.98	k
1994	28.11	i	38.68	k	43.66	o	59.53	l	66.06	n	77.39	b	77.85		73.66	i	66.79	b	60.09	b	52.17	g	41.52	a	64.73	g
1995	35.50	b	37.80	c	50.55	a	58.08		66.47		74.28		78.67	a	81.34	b	68.55	k	65.50	i	43.82	k	35.03	l	60.34	d
1996	33.75	m	36.43	n	41.12	k	54.19	l	70.32	f	74.85	f	76.75	e	77.90	b	-----	z	58.29	g	43.78	e	39.96	e	59.60	h
1997	30.86	i	41.39	f	51.89	i	53.52	d	63.29	g	73.65	f	79.67	e	76.07	i	69.25	f	57.34	i	43.72	e	36.78	f	58.97	i
1998	39.17	h	44.34	c	47.48		57.52	b	73.52	f	77.25		79.77		78.00		75.65		61.42		49.96	d	39.27	c	61.07	b
1999	36.72	a	44.80	a	43.98		61.30		67.82		75.80		81.44		76.76		70.07		59.23		52.33		40.29	b	59.21
2000	35.47		44.41	a	50.30	a	55.91	b	69.06		74.30		77.98	a	79.37		69.57		62.29		44.17		25.50		57.36
2001	32.27		40.78	a	42.95		63.19	a	68.45		73.77		79.27		78.72	a	68.08		57.77		51.35		41.61		58.19
2002	37.98		39.09	a	45.03	a	61.66	a	65.66		77.70		81.29		78.77	a	72.98		56.77		44.33		37.10		58.20
2003	28.09	b	34.00		47.67	b	59.87		66.66	b	70.88	a	78.29		78.57	a	66.73		58.44		50.28		38.43	a	56.49
2004	32.74		36.75	a	51.10	a	58.57		70.82		74.12		76.72	a	72.68	a	70.10		61.20	a	50.97		35.69		57.62
2005	39.24	b	42.98	a	46.00		58.70		65.91	b	76.12		78.27		80.10		73.00		59.35		49.35		34.20	a	58.60
2006	43.21		35.05		48.24		63.08		66.18		75.60		78.42	a	79.21		66.02	a	55.61		47.10	a	41.40		58.26
2007	36.92		32.21		55.24		55.67		70.55		75.82		76.48		82.60		73.88		63.06		47.60		38.71		59.06
2008	33.31	d	36.59	a	46.27		56.33		65.03		77.33		78.69		75.82	c	71.95	a	58.48		44.95	b	36.03		56.73
2009	31.94	e	41.55	f	49.98		57.36	a	66.43	a	77.50	b	75.53	a	75.10		72.03		55.35	a	51.34	a	35.67	b	58.93	a
2010	30.83	a	33.26	c	49.22	d	66.14	l	-----	z	-----	z	84.25	u	82.15		71.48		61.09	b	50.20	c	31.05		51.16	d
2011	30.81		37.38	b	48.17	a	60.69	a	66.43	a	78.14	e	83.00	j	81.17	a	69.67		59.24		53.45	b	41.75	c	56.99	a
2012	42.79	c	43.83	b	61.00		63.10	e	74.03	a	74.77		84.07	c	77.37	a	69.55	b	56.57	c	44.38		43.62	a	61.26
2013	36.12	a	37.43		40.21	b	55.55		66.18		75.42	d	75.22	b	75.53		72.39	c	58.87		47.07	i	-----	z	59.29	b
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	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2018	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	42.69	b	42.69	k
2019	36.79	c	44.69	o	46.21	b	59.66	a	68.54	c	75.39	b	80.35		78.20	d	77.05	t	57.08	e	42.31	a	42.88	a	58.74	b
2020	39.95		40.03		52.41	b	55.83		65.76	b	76.30		81.07	i	76.84	l	69.98	a	55.52	f	51.61	b	39.56		54.61	c
2021	37.91	c	32.06	d	54.35	a	57.70		65.11		76.75		78.82		78.53		71.74	a	64.41	b	45.45		49.02		59.32
2022	33.05	i	36.71		49.92		56.15		69.42		73.65	t	81.86	b	77.70	a	71.50		57.53	n	45.77	d	-----	z	61.13	d
2023	42.81	w	-----	z	51.23	r	61.00	l	-----	z	-----	z	79.79	l	-----	z	-----	z	64.65	u	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	35.81		38.43		48.78		58.74		67.40		75.77		79.00		78.23		70.68		58.93		47.92		38.77		58.36
S.D.	3.91		4.45		4.38		2.72		2.47		1.64		2.13		2.40		2.41		2.78		3.36		4.81		1.29
SKEW	0.05		-0.03		0.71		0.11		1.02		-1.02		0.46		-0.20		-0.17		-0.02		-0.05		-0.68		0.62
MAX	43.21		44.80		61.00		63.19		74.03		78.14		84.07		82.60		75.65		64.41		53.45		49.02		61.26
MIN	28.09		30.83		40.21		53.52		64.22		70.88		75.22		72.68		66.02		53.19		42.31		25.50		56.49
YRS	22		22		23		24		23		23		26		24		22		22		23		22		12