DEER PARK AIRPORT, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(452066)

File last updated on April 23, 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
1911	-----	z	-----	z	-----	z	-----	z	36.00	o	43.87		46.84		42.10		38.03		27.42		22.73		19.61		34.37	e
1912	12.13		21.59		25.16		33.47		37.39		44.67		47.26		44.23		34.97		29.00		29.73		21.27	a	31.74
1913	11.53	a	5.21		21.26		31.38	d	37.88	e	43.03	a	45.16		43.35		34.27		27.84		30.83		22.00		29.48
1914	24.35		19.04		27.39		32.97		36.90		39.93		44.58		39.81		35.53		32.55		29.00		10.61		31.06
1915	13.84		25.25		28.16		32.57		40.68		40.72	a	47.32		47.52		35.97		33.10		24.63		18.23	a	32.33
1916	4.10		21.55		27.71		29.97		33.74		40.33		43.97		42.10		35.13		22.48		19.17		7.65		27.32
1917	10.81		17.39		14.80	a	31.00		36.77		38.80		42.13		41.23		39.23		26.16		29.33		26.06		29.48
1918	22.26		18.43		28.58		28.33		34.13	a	40.73		46.36	f	42.23		39.00		35.28	b	26.82	b	19.38	e	30.47	a
1919	17.74		21.39		25.33	a	32.89	c	36.24	b	36.04	c	43.33	m	42.52		34.93		24.06		21.68	h	10.77		28.19	b
1920	16.59	d	20.86		25.74		30.22	c	35.61		40.77		49.17	b	45.20	a	37.65	j	33.39		26.03		24.70	d	31.66	a
1921	19.13		22.73	m	28.45		31.97		38.06		46.93		42.71	q	42.45		34.87		28.84		26.27	o	-----	z	33.84	d
1922	6.50	s	7.00	q	19.23		27.73		35.71		43.83		44.52		45.55		38.53		32.74		25.53		9.87		32.32	b
1923	22.37	a	7.79		23.03		31.03		38.06		45.40		48.15	e	45.32		37.43		33.13		26.20		22.16		31.67
1924	11.00		29.38		25.71		28.07		37.19		41.27		43.26		43.74		37.63		31.68		27.33		14.00		30.85
1925	18.90		30.18		28.19		33.40		39.97		44.20		45.77		43.23		38.37		25.97		25.60		30.71		33.71
1926	24.03		27.61		25.90		32.97		38.52		42.07		48.35		45.13		36.17		33.77		29.07		21.61		33.77
1927	18.71		24.21		27.35		30.83		37.87		47.37		47.06		47.06		42.13		36.77		28.97	a	7.10	a	32.95
1928	21.47	a	16.76		28.84		30.80		38.71		44.10		49.32		42.42		35.63		33.97		25.27		18.45		32.14
1929	6.26		3.57		27.71		29.33		36.58		43.37		41.55		43.84		35.90		29.32		17.07		25.58		28.34
1930	4.26		26.46		26.84		34.47		38.26		41.00		46.52		46.42		41.10		31.32		25.40		20.52		31.88
1931	25.26		19.46		29.81		32.77		38.65		44.77		45.68		42.42		39.47		29.16		22.07		18.65		32.35
1932	15.81		13.97		24.42		34.77		38.23		44.17		43.55		44.68		34.77		32.39		30.67		14.74		31.01
1933	19.67	a	7.18		26.00		30.83		36.58		42.62	a	44.97		45.42		37.70		31.63	a	28.10		28.77		31.62
1934	28.30	a	25.50		29.55		37.20		40.65		43.33		44.55		43.19		35.57		35.19		34.59	a	22.48		35.01
1935	18.13		19.64		25.71		29.10		33.48		41.73		45.16		43.30	a	38.90		29.94		23.23		24.45		31.07
1936	20.45		2.59		26.06		33.93		40.39		45.37		39.42		36.52		35.40		26.32	c	14.73		23.10		28.69
1937	-11.57	a	10.89		25.10		32.27		35.17	a	43.10		45.65		36.52		36.30		33.71		30.47		26.16		28.65
1938	22.00		21.56	a	26.32		30.03	a	35.67	a	42.93		44.13		35.97		39.87		33.26		22.87		20.71		31.28
1939	22.19		11.25		24.45		30.53		35.03		39.13		43.32		40.94		35.73		29.35		24.17		26.84		30.25
1940	20.23		26.03		28.03		34.33		38.61		40.47		45.06		39.94		44.47		37.03		22.30		21.87	a	33.20
1941	19.71		23.89		26.32		31.60		38.06		44.47		47.39		45.39		39.20		31.55		27.69	a	25.14	b	33.37
1942	12.55		22.04		24.94		30.80		37.65		42.47		46.03		43.55		35.93		29.43	a	24.87		22.81		31.09
1943	12.06		17.64		16.00		31.77		33.48		44.00	f	47.16		45.00		40.47		37.35		31.20	t	21.29		30.22	b
1944	19.10	a	19.66		24.88	e	32.36	b	40.93	b	44.47		46.40	a	43.53	a	40.80	y	37.35	k	27.46	b	20.44	f	33.20	c
1945	22.15	d	24.92	d	27.00	a	29.75	b	40.81	d	44.62	a	48.77	a	47.78	d	39.04	c	33.56	d	25.96	c	21.43	a	33.82
1946	16.93	c	20.11	a	30.39	c	33.55	h	40.90		43.46	d	47.00	b	45.22	h	40.04	c	28.17	h	24.61	g	20.86	j	34.12	e
1947	11.43	a	23.64	c	27.96	e	32.36	e	40.96	d	45.70	c	46.83	a	45.44	d	41.41	c	39.97	b	27.30		23.22	d	33.85
1948	16.97	b	16.17	f	-----	z	-----	z	-----	z	-----	z	46.52	j	47.50	g	38.24	a	27.65	e	26.85	c	11.21	b	24.18	g
1949	-8.43	a	11.54	b	25.17	b	31.93	b	41.48	b	42.96	d	47.77	i	45.67	m	43.18	b	29.33	a	31.86	b	20.37	a	26.94	b
1950	-4.38	b	18.72	c	24.71	c	29.26	c	35.56	f	44.67	f	48.52	b	46.52	h	38.96	e	36.96	g	27.55	j	24.14	i	25.97	f
1951	16.48	f	20.58	i	20.35	e	28.12	f	38.00	i	42.50	j	47.91	i	43.78	m	38.85	j	34.36	i	26.74	k	9.39	h	20.35	k
1952	14.32	c	17.08	c	23.03	b	32.20	e	38.67	g	44.29	b	47.27	i	45.48	j	39.12	d	29.45	b	19.70	c	23.46	e	26.96	c
1953	30.97	b	24.16	c	27.97		33.46	f	37.57	c	43.08	f	45.80	f	47.23	e	40.14	b	32.54	c	28.42	f	27.04	f	34.37	e
1954	15.64	i	25.33	g	23.52	d	29.88	d	38.89	c	41.67	c	47.00	c	46.08	f	40.48	i	28.70	d	30.96	f	20.47	a	32.88	e
1955	19.83	a	14.57		16.73	a	28.30	c	36.11	c	46.96	c	50.19	e	43.56	d	38.78	c	35.21	b	19.18	b	14.54	c	30.33
1956	19.77	a	7.37	b	20.43	a	33.03		39.83	b	43.48	c	49.04	e	45.73	a	39.23	d	34.55	b	22.65	d	23.18	c	31.52
1957	2.38	b	16.52	a	28.73	a	33.31	a	44.78	d	46.58	d	46.69	b	45.21	c	39.80	e	35.50	s	22.52	i	26.96	g	33.78	c
1958	24.76	b	31.65	e	26.11	d	32.54	f	43.32	c	49.00	b	50.90	b	47.64	f	37.86	b	28.74	d	22.38	d	23.46	e	33.82	b
1959	19.84		19.19	b	25.83	b	32.07	a	37.48	d	47.05	i	47.61	c	44.81	e	42.23	d	32.54	e	20.90	a	23.14	c	31.42	a
1960	12.00	a	23.62		26.80	a	33.53		38.97		44.50	h	49.71		47.46	c	39.74	c	33.69	b	26.48	c	21.21	g	33.20	b
1961	22.42		30.59	a	29.93	b	32.27		40.50	c	47.48	i	50.39	c	51.89	c	37.21	b	30.17	b	22.37		18.29		33.28	a
1962	12.33	a	24.74	a	25.63	d	32.19	c	37.89	d	41.00	a	46.34	b	45.35	h	40.72	e	34.67	j	31.84	e	27.73	e	32.04	b
1963	13.23	a	28.63	a	29.77	a	33.28	e	39.21	b	45.27	d	46.48	j	49.61	h	46.90	i	35.13	h	30.88	d	20.73	e	30.13	d
1964	20.22	d	12.52	b	20.35		30.42	d	36.88	g	45.95	i	47.00	n	42.95	k	38.20	e	32.10	a	27.48	c	17.19		24.81	d
1965	22.53	a	20.96	e	20.17	b	33.14	h	35.48	f	43.80	e	48.46	e	50.17	h	36.45	h	33.96	e	29.96	d	23.21	b	30.38	d
1966	20.03	b	23.80	c	24.35	k	29.16	e	37.04	e	42.76	a	45.82	i	45.67	g	43.74	g	29.42	g	29.07	c	28.72	f	30.31	f
1967	26.43	c	26.41	f	27.16	f	29.50	f	37.23	i	46.58	r	45.96	e	46.10		41.80		33.31	b	27.37		21.13		34.58	e
1968	19.52		25.75	a	28.63	a	29.03	a	36.48		44.21	b	46.65		46.61		40.50		30.42	e	28.40		17.39		32.80
1969	10.42		17.52	c	22.03	a	34.33		39.45	b	47.79	a	44.35		41.04	c	42.32	b	30.13		26.27		24.87	a	31.71
1970	18.63	a	23.26	a	24.30	a	29.52	a	37.74		46.82	b	50.26		43.33	a	35.41	c	31.28	f	26.69	a	17.53	a	32.14	a
1971	21.71		25.00	a	24.03		31.07	a	39.55		45.03	a	48.03		49.26		38.70		29.90	b	28.37		17.48		33.18
1972	12.65		22.14		30.41	b	30.26	c	41.14	b	45.27	h	47.25	g	48.16	l	36.65	g	31.32		31.53		18.87		27.29	d
1973	18.32		25.07		29.77	a	31.97		40.52		46.03		49.13		48.48		43.83		36.06		28.50		27.87		35.46
1974	17.06		28.29		29.57	a	36.70		39.00		48.20		50.22	h	45.83	h	37.61	b	25.84		29.43		23.92	g	32.41	c
1975	10.93	c	13.61		17.68	i	27.81	c	35.74		44.73	d	53.87		44.92	f	32.73	o	31.79	b	19.32	h	23.90		30.30	d
1976	20.33	a	20.15	b	21.57	a	33.24	e	38.74		40.71	m	48.33	p	50.88	e	42.88	m	26.00	i	23.94	n	17.43	h	30.82	f
1977	18.43	q	22.95	f	27.55	t	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	16.27		19.88		25.47		31.60		38.19		43.55		46.64		44.13		38.44		31.36		26.24		20.51		31.68
S.D.	8.02		6.88		3.56		2.08		2.33		2.55		2.59		3.23		2.52		3.45		3.97		5.23		1.90
SKEW	-1.38		-0.69		-1.02		0.26		0.17		-0.31		-0.07		-0.30		0.31		-0.15		-0.63		-0.73		-0.26
MAX	30.97		31.65		30.41		37.20		44.78		49.00		53.87		51.89		44.47		39.97		34.59		30.71		35.46
MIN	-11.57		2.59		14.80		27.73		33.48		36.04		39.42		35.97		34.27		22.48		14.73		7.10		27.32
YRS	62		59		61		58		58		54		52		50		56		56		55		55		34