SEATTLE NAS, WA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(457468)

File last updated on April 18, 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
1929	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	32.00		33.00	b	-----	z
1930	14.00		29.00		31.00	a	-----	z	37.00		45.00		-----	z	50.00		43.00		36.00		29.00		27.00		-----	z
1931	30.00		32.00		31.00		34.00		42.00		-----	z	-----	z	-----	z	44.00		-----	z	-----	z	-----	z	-----	z
1932	23.00		-----	z	30.00	d	30.00	a	30.00		46.00		48.00		51.00	e	43.00		40.00	b	34.00	e	15.00		-----	z
1933	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	51.00		-----	z	40.00		34.00	b	-----	z	-----	z
1934	31.00		-----	z	-----	z	36.00	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1935	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1936	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	41.00	e	-----	z	31.00	g	-----	z
1937	-----	z	-----	z	33.00	f	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1938	-----	z	-----	z	31.00	d	33.00	c	-----	z	44.00	c	-----	z	-----	z	-----	z	-----	z	28.00	g	25.00	b	-----	z
1939	29.00	a	-----	z	-----	z	-----	z	39.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1940	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1941	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1942	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	32.00		-----	z	-----	z
1943	13.00	a	-----	z	-----	z	-----	z	39.00	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1944	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1945	-----	z	-----	z	30.00		32.00		43.00		45.00		50.00		48.00		44.00		39.00		30.00		26.00		-----	z
1946	32.00		32.00		33.00		36.00		41.00		47.00		50.00		50.00		44.00		35.00		30.00	a	25.00		25.00	a
1947	18.00		29.00	a	30.00		37.00		43.00		47.00		48.00		48.00		42.00		42.00		32.00		33.00		18.00	a
1948	28.00		23.00		29.00		34.00		36.00		50.00		50.00		52.00		38.00		36.00		32.00		24.00		23.00
1949	17.00	a	22.00		32.00		36.00		39.00		45.00		43.00		50.00		44.00		31.00		38.00		25.00	a	17.00	b
1950	9.00		10.00		32.00		34.00		38.00		46.00		52.00		50.00		41.00		40.00		31.00	a	35.00		9.00	a
1951	18.00	a	29.00		28.00		32.00		40.00		45.00		52.00		50.00		44.00		35.00		32.00		21.00		18.00	a
1952	20.00		31.00		32.00		33.00		38.00		44.00		49.00		51.00		47.00		42.00		27.00		32.00		20.00
1953	33.00		33.00		30.00		35.00		41.00		48.00		50.00		52.00		44.00		39.00		35.00		33.00		30.00
1954	22.00		32.00		29.00		34.00		34.00		45.00		48.00		51.00		43.00		36.00		35.00		32.00		22.00
1955	31.00		28.00		20.00		36.00		40.00		46.00		49.00		49.00		43.00		41.00		14.00		27.00		14.00
1956	20.00		16.00		28.00		35.00		42.00		47.00		51.00		51.00		46.00		38.00		30.00		21.00		16.00
1957	13.00		21.00		35.00		37.00		47.00		50.00		52.00		51.00		44.00		40.00		31.00		32.00		13.00
1958	33.00		34.00		32.00		39.00		40.00		53.00		54.00		55.00		46.00		39.00		27.00		36.00		27.00
1959	16.00		33.00		35.00		37.00		37.00		50.00		52.00		49.00		47.00		37.00		27.00		30.00		16.00
1960	27.00		27.00		27.00		37.00		41.00		46.00		50.00		48.00		44.00		39.00		33.00		30.00		27.00
1961	31.00		37.00		32.00		32.00		42.00		49.00		53.00		54.00		43.00		36.00		29.00		27.00		27.00
1962	18.00		20.00		30.00		38.00		39.00		47.00		48.00		51.00		47.00		42.00		35.00		27.00		18.00
1963	17.00		34.00		32.00		33.00		39.00		48.00		50.00		53.00		49.00		40.00		30.00		28.00		17.00
1964	33.00		30.00		33.00		35.00		38.00		49.00		52.00		48.00		46.00		40.00		33.00		10.00		10.00
1965	32.00		32.00		27.00		36.00		35.00		44.00		50.00		47.00		41.00		44.00		32.00		27.00		27.00
1966	30.00		29.00		29.00		35.00		40.00		48.00		51.00		50.00		49.00		41.00		34.00		33.00		29.00
1967	30.00		31.00		28.00		34.00		42.00		51.00		53.00		54.00		49.00		41.00		31.00		25.00		25.00
1968	26.00		31.00		34.00		33.00		40.00		49.00		50.00		52.00		44.00		42.00		35.00		8.00		8.00
1969	15.00		30.00		30.00		37.00		38.00		51.00		51.00		48.00		44.00		35.00		30.00		31.00		15.00
1970	24.00		32.00		31.00		38.00		38.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	23.65		28.41		30.37		34.93		39.29		47.32		50.23		50.50		44.39		38.86		31.13		26.83		19.63
S.D.	7.37		6.08		2.88		2.13		3.11		2.42		2.21		2.01		2.53		2.90		4.17		6.79		6.51
SKEW	-0.25		-1.41		-1.36		-0.19		-0.50		0.46		-1.13		0.35		-0.02		-0.67		-2.24		-1.25		-0.08
MAX	33.00		37.00		35.00		39.00		47.00		53.00		54.00		55.00		49.00		44.00		38.00		36.00		30.00
MIN	9.00		10.00		20.00		30.00		30.00		44.00		43.00		47.00		38.00		31.00		14.00		8.00		8.00
YRS	31		27		30		30		31		28		26		28		28		29		30		29		24