MIDWAY SAND ISLAND,

Maximum of Maximum Temperature (Degrees Fahrenheit)

(914490)

File last updated on May 19, 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	76.00		76.00		77.00		78.00		81.00		84.00		88.00		85.00		85.00		82.00		80.00		77.00	a	88.00	a
1954	75.00		73.00		75.00		77.00		78.00	a	84.00		84.00		86.00	b	85.00		84.00	a	82.00		79.00		86.00	d
1955	74.00		76.00		73.00		76.00		81.00		85.00		85.00		83.00		85.00		82.00	a	79.00		77.00		85.00	a
1956	73.00	j	72.00		73.00		75.00		77.00		87.00		84.00		85.00		86.00		82.00		81.00		74.00		87.00	j
1957	71.00	j	73.00		73.00		76.00		79.00		85.00		84.00	j	84.00		84.00		78.00		78.00		75.00		85.00	t
1958	74.00		73.00	b	75.00		76.00	a	79.00		80.00		81.00		83.00	j	84.00	j	81.00		78.00		75.00		84.00	w
1959	70.00		73.00		77.00		73.00		79.00		82.00		83.00		89.00		85.00		83.00		78.00		77.00		89.00
1960	76.00	j	73.00		74.00		78.00		81.00	a	85.00		85.00	a	86.00	i	86.00		81.00		77.00		76.00		86.00	u
1961	74.00		75.00		75.00		74.00		80.00		82.00		83.00		84.00		85.00		83.00		80.00		76.00		85.00
1962	73.00		72.00		74.00		73.00		79.00		82.00		82.00		87.00		88.00		82.00		80.00	a	77.00		88.00	a
1963	73.00		73.00		74.00		75.00		80.00		82.00		83.00		85.00		87.00		84.00		84.00		77.00		87.00
1964	77.00		76.00		76.00		74.00		80.00		83.00		82.00		85.00		88.00		85.00		80.00		78.00		88.00
1965	72.00		74.00		73.00		74.00	d	79.00	f	81.00		82.00		84.00		85.00	j	82.00	j	80.00	h	74.00	b	-----	z
1966	75.00		72.00		75.00		77.00		76.00		81.00	j	84.00		86.00		89.00		84.00		79.00		76.00	j	89.00	t
1967	78.00		75.00		72.00		75.00		80.00		83.00		83.00		85.00		88.00		86.00		83.00		77.00	a	88.00	a
1968	74.00		70.00		75.00		76.00		82.00		85.00		85.00		87.00		86.00		82.00		80.00		76.00		87.00
1969	71.00		77.00		74.00		79.00		83.00		83.00		88.00		85.00		85.00		86.00		80.00		79.00	b	88.00	b
1970	75.00		75.00		-----	z	82.00		86.00		88.00		85.00		87.00		87.00		82.00		82.00		80.00		-----	z
1971	78.00		76.00		-----	z	79.00		85.00		82.00		87.00		87.00		89.00		-----	z	80.00		77.00		-----	z
1972	73.00		74.00		71.00		74.00		79.00		84.00		83.00		83.00		85.00		83.00		81.00		77.00		85.00
1973	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1974	77.00	m	81.00	g	-----	z	-----	z	-----	z	-----	z	-----	z	87.00	l	87.00	b	-----	z	-----	z	-----	z	-----	z
1975	-----	z	77.00	d	77.00	p	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	84.00		-----	z	-----	z
1976	75.00	u	-----	z	79.00		74.00	u	-----	z	-----	z	85.00	n	-----	z	88.00		-----	z	80.00	x	-----	z	-----	z
1977	76.00		-----	z	76.00		80.00		81.00		85.00		84.00		86.00		87.00		83.00		80.00		79.00		-----	z
1978	-----	z	75.00		77.00		80.00		81.00		85.00		89.00		-----	z	89.00		86.00		80.00		-----	z	-----	z
1979	76.00		77.00		78.00		-----	z	83.00		85.00		-----	z	-----	z	92.00		89.00		83.00		-----	z	-----	z
1980	-----	z	-----	z	77.00		78.00		80.00		86.00		87.00		89.00	a	88.00		89.00		84.00		78.00		-----	z
1981	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1982	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	85.00	s	84.00		78.00		-----	z
1983	74.00		75.00		76.00	a	77.00		80.00		86.00		88.00		86.00		88.00	f	87.00		88.00	d	82.00		88.00	k
1984	78.00		78.00	a	79.00		82.00		-----	z	89.00		92.00		92.00		89.00		87.00		82.00	n	77.00		-----	z
1985	-----	z	-----	z	76.00		79.00		83.00		87.00		88.00		87.00		88.00		-----	z	82.00		78.00		-----	z
1986	77.00		75.00		77.00		78.00		79.00		84.00		86.00		87.00		88.00		87.00		83.00		80.00		88.00
1987	77.00		76.00		76.00		-----	z	80.00		85.00		89.00		92.00		89.00		86.00		81.00		81.00		-----	z
1988	77.00		75.00		79.00		79.00		-----	z	88.00		-----	z	89.00		-----	z	86.00		-----	z	80.00		-----	z
1989	80.00		75.00		76.00		-----	z	80.00		85.00		86.00		89.00		91.00		83.00		80.00		78.00		-----	z
1990	76.00		76.00		76.00		78.00		81.00		84.00		87.00	b	-----	z	89.00		87.00		82.00		-----	z	-----	z
1991	75.00		73.00		75.00		79.00		81.00		84.00		-----	z	89.00	a	90.00		-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	75.11		74.52		75.41		77.03		80.47		84.38		85.28		86.54		87.35		84.14		81.06		77.55		87.08
S.D.	2.31		1.84		2.00		2.47		2.10		2.09		2.64		2.36		1.98		2.60		2.32		1.94		1.38
SKEW	-0.16		-0.30		-0.06		0.16		0.57		0.16		0.50		0.69		0.26		-0.01		0.75		0.23		-0.54
MAX	80.00		78.00		79.00		82.00		86.00		89.00		92.00		92.00		92.00		89.00		88.00		82.00		89.00
MIN	70.00		70.00		71.00		73.00		76.00		80.00		81.00		83.00		84.00		78.00		77.00		74.00		85.00
YRS	27		31		32		30		30		32		29		28		31		29		31		29		13