LITTLETON, CO

Average of Average Temperature (Degrees Fahrenheit)

(055056)

File last updated on May 12, 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
1978	-----	z	-----	z	-----	z	-----	z	54.47		69.50	f	72.65		68.80	d	63.92		50.80	a	38.03		25.55		53.46	e
1979	19.35		32.56	b	39.42	a	47.03	a	53.16		62.85		71.91	b	67.87		63.53		50.24		31.05		33.82	a	47.73
1980	26.13	a	35.16		37.88	c	45.62		55.03		69.93		74.08		70.60		63.16	b	48.77		39.78		39.76		50.49
1981	33.44		34.27		39.00	b	54.50		55.10		69.80		72.40	b	68.74		64.68		48.66		42.62		32.19		51.28
1982	30.95	k	34.15	e	41.43	c	48.92	d	56.23	e	62.77	b	69.90		70.71	b	60.46	d	46.19	d	33.50	d	29.82	k	52.43	b
1983	29.98	i	33.87	b	37.98	f	45.39	c	53.65	e	62.25	d	72.05	a	72.93	b	64.81	d	51.55	i	38.83	i	20.32	l	57.85	e
1984	29.21	g	34.46	e	38.65	e	45.06	d	60.84	c	64.41	a	72.72	a	71.43	a	60.21	f	43.61	l	37.41	g	31.37	d	52.37	d
1985	27.31	j	27.23	m	44.50	f	51.04	b	57.59	b	66.33	c	69.91	b	69.70	c	60.54	g	47.97	m	31.60	f	31.05	k	62.91	g
1986	40.55	k	39.33	g	49.83	h	53.46	d	58.86	c	71.20	e	73.66	b	70.27	a	56.88	e	46.25	i	38.86	l	28.78	d	59.01	e
1987	32.61	l	37.45	f	41.54	g	55.24	e	57.88	e	66.55	b	71.91	c	68.13	d	59.08	d	47.39	m	37.70	c	27.50	k	59.50	e
1988	24.69	o	35.33	h	38.31	e	51.41	g	59.31	d	70.00		70.67	b	69.87	d	60.93	a	51.38	b	38.96	c	34.28	d	54.86	c
1989	34.50	n	24.40	c	43.60		50.02	a	58.63	a	64.50	a	72.21	c	67.05	c	60.64	h	49.18	a	40.42		24.79		49.48	b
1990	33.70	k	30.65	a	36.50		47.83	d	53.90	b	67.80	c	67.85	d	66.93	d	63.16	a	48.57	a	44.00	i	24.46	c	50.76	b
1991	26.15		42.20		43.17	a	46.58		55.71	j	67.98	a	70.68		68.81	b	59.67	a	49.67	b	34.06	c	30.77		49.07	a
1992	31.77	g	38.12	e	42.30	c	52.84	a	59.94	e	64.87		69.05		67.37	d	63.02	f	51.14	i	32.95	h	25.43	j	56.36	e
1993	25.43	k	27.02	b	39.75	c	46.59	c	56.63	d	63.65		71.26	b	66.35	a	56.60		46.26		32.29	a	30.90	b	48.85	a
1994	30.95	a	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	30.95	k
Period of Record Statistics
MEAN	27.20		33.35		40.00		49.29		56.75		66.33		71.43		69.10		61.41		48.97		36.84		30.61		49.84
S.D.	5.40		4.85		2.31		3.56		2.47		2.99		1.67		1.82		2.90		1.72		3.87		4.60		1.86
SKEW	-0.34		-0.17		0.28		0.41		0.08		0.20		-0.47		0.36		-0.44		-0.44		-0.15		0.31		-0.57
MAX	33.44		42.20		43.60		55.24		60.84		71.20		74.08		72.93		64.81		51.38		42.62		39.76		51.28
MIN	19.35		24.40		36.50		45.06		53.16		62.25		67.85		66.35		56.60		46.19		31.05		24.46		47.73
YRS	5		11		11		14		15		15		16		16		12		10		10		11		3