MIDWAY SAND ISLAND,

Average of Average Temperature (Degrees Fahrenheit)

(914490)

File last updated on May 12, 2026
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
1953	66.82		66.59		68.11		69.43		72.47		76.40		79.83	a	79.47		78.08		76.06		74.75		67.85	a	72.99
1954	65.68		64.84		64.97		65.98		70.18	a	76.48	a	77.79	c	78.81	b	77.68		76.55	b	72.29	a	69.29		71.71
1955	66.21		65.32		64.80	a	67.55		73.08		77.78		78.16		77.90		77.67	a	75.08	a	70.93		67.60		71.84
1956	64.24	j	65.60		65.92		67.65		70.31		75.93	a	76.63		77.71		79.33		75.74		70.23		66.84		71.99	a
1957	62.65	k	64.96	a	66.44		66.97		70.87		76.90	a	78.95	j	78.89		77.97		71.52		68.73		68.85		71.21	b
1958	65.77		64.46	b	65.10		67.84	a	70.90		73.37		76.27		78.67	j	79.08	j	75.44		70.40		67.24		69.68	b
1959	62.87		64.11		67.63		65.27		69.74		75.38		78.24		79.35		78.80		73.60		69.95		68.71		71.14
1960	67.60	j	63.84		65.79		67.62		71.92	a	77.83		78.03	a	78.93	i	78.97		73.79		71.53		67.61		71.69	b
1961	65.71		67.84		66.44		62.95		68.02		74.98		77.32		78.39		79.08		74.95		72.98		69.47		71.51
1962	65.02		65.14		65.89		65.97		69.11		72.98		76.76		79.23		79.80		76.11		73.57	a	68.53		71.51
1963	66.47		64.79		66.56		67.00		72.05		76.93		77.06		78.52		80.03		77.84		73.45		66.62	a	72.28
1964	68.81		68.31		66.92		65.38		70.76		74.75		77.53		77.84		78.77		76.58		71.55		65.58		71.90
1965	63.02		64.93		65.08		65.62	d	67.86	f	74.40		76.97		78.40		77.60	j	75.69	j	71.39	h	66.74	b	69.39	d
1966	66.69		64.14		67.24		67.62		68.23		73.90	j	76.37		77.73		78.25		74.66		70.67		68.31	j	71.16	b
1967	69.00		64.61		62.58		68.15		69.77		74.60		76.74		79.06		80.15		77.90		74.47		68.77	a	72.15
1968	64.34		62.76		63.66		65.23		70.92		75.35		78.94		80.48		78.80		73.44		67.60		67.55		70.76
1969	63.11		65.25		66.02		69.90		74.63		75.17		78.97		78.56		78.05		74.77		70.52		68.57	c	71.96
1970	65.42		65.38		-----	z	70.18		70.69		79.13		79.34		79.76		77.88		74.97		72.15		71.84		73.34	a
1971	64.44		67.96		-----	z	71.95		74.16		75.80		77.29		78.68		78.50		-----	z	72.38		65.10		72.63	b
1972	64.69		65.05		63.85		66.42		71.19		75.57		77.87		79.02		78.28		73.44		72.42		66.29		71.17
1973	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1974	67.50	m	71.43	g	-----	z	-----	z	-----	z	-----	z	-----	z	79.24	l	78.57	b	-----	z	-----	z	-----	z	78.57	k
1975	-----	z	66.98	d	68.40	p	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	74.45		-----	z	70.71	j
1976	65.15	u	-----	z	67.03		68.39	u	-----	z	-----	z	77.71	n	-----	z	79.20		-----	z	73.50	x	-----	z	73.12	j
1977	63.27		-----	z	64.55		67.53		72.05		77.52		77.16		78.08		77.30		76.05		69.85		65.95		71.76	a
1978	-----	z	65.04		65.55		67.30		69.03		77.45		79.13		-----	z	80.88		77.42		73.17		-----	z	72.77	c
1979	67.89		67.05		68.26		-----	z	72.13		76.43		-----	z	-----	z	81.20		79.53		72.83		-----	z	73.17	d
1980	-----	z	-----	z	69.00		69.93		72.98		77.59	a	81.24		81.13	a	81.15		78.94		74.63		69.00		75.56	b
1981	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1982	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	76.75	s	73.88		68.15		71.01	j
1983	65.69		65.95		65.55	a	67.32		71.58		79.50		81.24		79.77		81.69	f	80.15		75.21	d	69.50		72.86	a
1984	67.92		69.50	a	69.10		73.73		-----	z	82.20		82.89		83.18		81.53		77.24		77.44	n	68.21		75.55	b
1985	-----	z	-----	z	67.81		69.95		75.19		79.28		79.55		80.97		81.02		-----	z	71.57		69.34		74.96	c
1986	67.81		65.09		66.23		68.22		67.84		77.28		79.69		80.44		79.53		77.60		73.27		70.08		72.76
1987	67.29		65.70		67.32		-----	z	71.90		76.52		81.40		83.50		80.95		77.05		73.65		69.53		74.07	a
1988	67.79		66.33		68.60		69.60		-----	z	79.85		-----	z	81.18		-----	z	79.23		-----	z	71.15		72.96	d
1989	69.29		65.38		67.02		-----	z	73.15		77.45		79.98		81.10		79.97		76.79		71.12		69.48		73.70	a
1990	67.53		65.18		68.08		66.57		72.08		77.12		79.66	b	-----	z	81.47		77.32		71.95		-----	z	72.69	b
1991	66.52		64.25		67.53		70.88		73.42		77.73		-----	z	81.75	a	81.48		-----	z	-----	z	-----	z	72.95	d
Period of Record Statistics
MEAN	66.11		65.56		66.39		67.86		71.35		76.74		78.55		79.60		79.37		76.20		72.13		68.26		71.82
S.D.	1.86		1.44		1.59		2.25		1.89		1.95		1.72		1.57		1.32		2.03		1.86		1.58		0.63
SKEW	-0.16		0.87		-0.32		0.46		-0.01		0.49		0.69		0.92		0.30		-0.11		-0.38		0.03		0.23
MAX	69.29		69.50		69.10		73.73		75.19		82.20		82.89		83.50		81.53		80.15		75.21		71.84		72.99
MIN	62.87		62.76		62.58		62.95		67.84		72.98		76.27		77.71		77.30		71.52		67.60		65.10		70.76
YRS	27		31		32		30		30		32		29		28		31		29		31		29		13