PROSSER, WA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(456763)

File last updated on April 19, 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
1912	-----	z	-----	z	-----	z	31.00	n	35.00		42.00		46.00		41.00		35.00		24.00	b	23.00		16.00		-----	z
1913	3.00		5.00		12.00		24.00		29.00		43.00		41.00		40.00		33.00		26.00		23.00		19.00	a	3.00	a
1914	21.00		17.00		24.00		29.00	a	34.00		35.00	b	41.00	a	44.00	c	26.00	b	32.00	f	21.00	a	-0.00		-0.00	p
1915	9.00		21.00		23.00		29.00		34.00		39.00		43.00	a	44.00		34.00		28.00		20.00		10.00		9.00	a
1916	-15.00	g	11.00		25.00		24.00		27.00		36.00		40.00		37.00		29.00		21.00		2.00		4.00	c	-15.00	j
1917	2.00		10.00		15.00		25.00		30.00	a	36.00		32.00	a	45.00		34.00		19.00	a	17.00		23.00	a	2.00	d
1918	6.00	a	10.00		16.00		16.00		29.00		36.00		43.00	c	41.00		36.00		27.00		16.00		7.00		6.00	d
1919	3.00	h	16.00		21.00		24.00		32.00		34.00	a	41.00		42.00		26.00	a	14.00	b	7.00		-17.00	e	-17.00	q
1920	9.00	a	19.00		16.00		24.00		32.00		37.00	a	45.00		39.00		38.00		29.00		15.00	a	17.00	a	9.00	d
1921	13.00	a	17.00		26.00		26.00		31.00		41.00		39.00		41.00		28.00		27.00	a	16.00	a	2.00		2.00	c
1922	-5.00		5.00	b	16.00		25.00		27.00	a	44.00		47.00		44.00	a	31.00		23.00		18.00		-12.00	c	-12.00	g
1923	11.00	a	2.00		21.00		29.00		32.00		-----	z	46.00		48.00		36.00		22.00	a	20.00		10.00		-----	z
1924	-9.00	a	24.00		20.00		25.00	b	31.00		41.00		43.00		39.00		31.00	a	25.00	b	18.00	b	-----	z	-----	z
1925	16.00		24.00		24.00	a	30.00		35.00		35.00		48.00		38.00	a	37.00		29.00		18.00	a	24.00	a	16.00	d
1926	22.00		23.00		20.00		27.00		32.00		41.00		45.00		42.00		20.00	a	24.00	a	23.00	a	2.00	b	2.00	e
1927	-17.00	a	21.00	b	23.00	p	27.00	d	31.00	h	44.00	a	44.00		39.00		36.00		22.00		23.00		-2.00		-----	z
1928	9.00		21.00		18.00		26.00	b	28.00		38.00		49.00		43.00		34.00		23.00		21.00		7.00	d	7.00	f
1929	-14.00	d	-17.00	c	23.00	g	22.00		34.00		35.00	c	43.00		39.00		32.00		25.00		9.00	a	11.00	i	-----	z
1930	-13.00	n	17.00	a	23.00		29.00	b	33.00	b	37.00		33.00	d	43.00		34.00	a	22.00		17.00		13.00		-13.00	x
1931	18.00		17.00		19.00	a	26.00	b	34.00	b	39.00	d	44.00		45.00	a	35.00	a	27.00	a	2.00	c	2.00	c	2.00	r
1932	9.00	a	-6.00	b	23.00		29.00		34.00		41.00	a	41.00		41.00		32.00	a	24.00		21.00	a	-10.00	d	-10.00	j
1933	2.00	b	-7.00	a	20.00	b	21.00		30.00	a	32.00	j	45.00	b	45.00		29.00	c	23.00	c	21.00		21.00		-7.00	x
1934	22.00	a	24.00		24.00	a	30.00	a	34.00	b	44.00		51.00	a	54.00	c	30.00		28.00		25.00	a	24.00		22.00	j
1935	-4.00	a	17.00		18.00		16.00	b	35.00	a	40.00		44.00		38.00		33.00		12.00	a	6.00		24.00	a	-4.00	f
1936	10.00	a	-11.00	i	21.00		21.00		35.00	a	45.00		44.00		44.00		31.00		25.00		13.00		11.00		-11.00	k
1937	-17.00	c	-0.00	g	26.00		28.00		32.00		42.00		43.00		39.00		34.00		32.00		26.00		20.00		-17.00	j
1938	19.00		18.00	a	22.00	a	24.00		30.00		39.00		48.00		42.00		42.00		26.00	c	9.00		8.00		8.00	e
1939	20.00		10.00	d	20.00	c	24.00	b	32.00		38.00		43.00		41.00		37.00		26.00	b	20.00	a	19.00	b	10.00	n
1940	12.00		22.00	a	24.00		30.00		33.00	b	41.00		52.00		44.00		49.00		30.00	s	17.00		8.00	a	8.00	w
1941	18.00		21.00	b	18.00		28.00		32.00	a	40.00		53.00		45.00		34.00		27.00		18.00		10.00		10.00	c
1942	-4.00		16.00		20.00	c	29.00	a	29.00		38.00	b	42.00		42.00		33.00		22.00		18.00		14.00		-4.00	f
1943	-13.00	c	8.00	c	15.00		28.00	a	32.00		36.00		42.00		44.00		37.00	a	25.00		22.00		14.00	a	-13.00	i
1944	13.00		18.00	a	14.00		27.00	g	33.00		39.00		41.00		41.00		31.00		29.00		15.00		6.00		6.00	h
1945	16.00		16.00		20.00	g	21.00		38.00		42.00		44.00		40.00		32.00		17.00		20.00		10.00		10.00	g
1946	19.00	w	18.00		23.00		26.00		32.00	c	-----	z	45.00	b	43.00		33.00		20.00		20.00	a	10.00	a	-----	z
1947	-0.00	b	15.00	a	20.00		29.00		36.00		41.00		47.00		42.00		37.00		33.00		24.00		20.00	e	-0.00	h
1948	11.00	a	-1.00	c	17.00		24.00	a	28.00	a	45.00		43.00		43.00	b	31.00		22.00	b	-----	z	5.00	a	-----	z
1949	-10.00		-5.00		24.00		28.00		31.00		39.00		44.00		42.00		35.00		22.00		27.00		17.00	c	-10.00	c
1950	-16.00		-22.00		22.00		25.00		31.00		39.00		44.00		46.00		35.00	a	26.00		21.00		25.00		-22.00	a
1951	3.00		18.00		19.00		23.00	a	32.00		38.00		45.00		46.00		35.00		22.00		19.00	f	8.00		3.00	g
1952	7.00		17.00		21.00		26.00		33.00		39.00		46.00		44.00		37.00		31.00		14.00		21.00		7.00
1953	26.00	e	22.00		22.00		24.00		32.00		40.00		47.00		49.00		38.00		32.00		23.00		23.00	a	22.00	f
1954	-15.00	a	22.00		15.00		29.00		31.00		39.00		47.00		47.00	h	33.00		26.00		22.00		15.00		-15.00	i
1955	18.00		20.00		9.00		24.00		33.00		39.00		42.00	d	48.00	d	38.00		27.00	a	-0.00		10.00		-0.00	i
1956	-0.00		-12.00		21.00		25.00		36.00		40.00		49.00		44.00		37.00		23.00		16.00		7.00	h	-12.00	h
1957	-20.00		12.00		27.00		31.00		45.00		45.00		46.00		44.00		37.00		33.00		19.00		20.00	a	-20.00	a
1958	15.00		27.00		22.00		31.00		35.00		45.00		48.00		48.00		35.00		25.00	a	10.00		21.00		10.00	a
1959	-0.00		23.00		24.00		26.00	a	32.00		40.00	f	46.00	d	45.00		39.00		27.00		10.00		16.00		-0.00	k
1960	4.00		10.00		14.00		26.00		34.00	e	41.00		48.00		40.00		37.00		30.00	c	20.00		13.00		4.00	h
1961	17.00	a	26.00	a	26.00		28.00		33.00		44.00		48.00		52.00		35.00		26.00		16.00		8.00		8.00	b
1962	6.00		11.00		21.00		22.00		32.00		36.00		40.00	e	44.00	e	38.00	a	33.00		23.00		16.00		6.00	k
1963	-0.00	q	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	5.28		12.94		20.23		25.78		32.48		39.74		44.33		43.08		34.10		25.12		17.24		11.50		2.14
S.D.	12.41		11.38		4.00		3.37		2.96		3.03		3.91		3.45		4.37		4.47		6.33		9.58		11.45
SKEW	-0.45		-1.37		-0.61		-0.84		1.29		0.10		-0.65		0.85		-0.06		-0.51		-1.05		-0.89		-1.17
MAX	26.00		27.00		27.00		31.00		45.00		45.00		53.00		54.00		49.00		33.00		27.00		25.00		16.00
MIN	-20.00		-22.00		9.00		16.00		27.00		34.00		32.00		37.00		20.00		12.00		-0.00		-17.00		-22.00
YRS	46		48		47		49		50		47		51		50		51		49		49		48		14