HATTON 9 SE, WA

Average of Minimum Temperature (Degrees Fahrenheit)

(453546)

File last updated on April 24, 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
1905	-----	z	22.64	f	31.19		34.10		40.63	a	47.53		53.39		49.23		46.10		32.84		24.87		24.84		38.47	b
1906	23.81		31.32		29.94		37.48	a	41.87		45.97		58.68		49.84		42.23		36.74		29.47		27.57	c	37.91
1907	11.03		26.68		32.10		32.67		42.52		45.40		50.97		47.35		43.20		37.83	a	28.97		27.45		35.51
1908	25.87		25.34		27.84		34.03		39.19		45.47		54.74		49.48		42.27		37.35		29.30		23.73	a	36.22
1909	12.90		29.82		29.32		29.57		38.06		47.47		48.10		45.58		44.93		34.87		32.60		18.32		34.30
1910	20.03		19.96		34.90		39.87		39.81		45.23		50.55		43.84		42.83		37.94		31.20		28.52		36.22
1911	21.26		21.04		29.32		29.20		37.26		48.20		54.48		50.74		43.40		32.87		24.90		21.84		34.54
1912	16.94		29.64	a	28.45		35.70		42.35		50.63		52.50	a	50.29		41.80		32.42		32.59	a	26.45		36.65
1913	14.46	e	15.96		28.48		36.17		42.13		49.20		52.03		52.87		41.29	f	33.06		33.70		22.65		34.61	a
1914	31.10	a	27.14		33.00		35.97		43.42		46.57		52.23		52.23	a	42.60		39.29		32.66	a	16.68		37.74
1915	19.23		31.64		35.03		38.17		44.84		47.10		51.94		55.40	a	40.57		38.32		27.73		25.32		37.94
1916	5.90		24.59		33.26		35.21	a	38.81		44.80		47.84		51.81		44.23		31.65		23.40		17.45		33.24
1917	19.32		25.89		26.97		36.30		41.13		41.97		52.26		49.74		41.73		33.58		30.63		29.45		35.75
1918	26.77		24.07		30.32		32.53		36.97		49.57		50.39		45.23	a	48.57		39.71		29.33		25.48		36.58
1919	20.32		28.00		32.10		36.27		40.35		42.57		53.48		53.19		44.97		31.48		28.52	g	12.41	b	35.92	a
1920	20.29		26.07		31.87		34.43		38.26		44.20		55.19		52.66	b	45.40		37.26		29.63		28.90		37.01
1921	27.13		30.00		32.63	a	33.93		40.23		49.82	b	48.81		51.97		41.53		36.73	e	27.93		21.77		36.87
1922	7.45		17.39		30.13		33.23		38.62	e	51.95	k	55.13		55.00		45.57		36.00	a	29.81	d	19.54	r	34.83	b
1923	30.32		17.71		30.29		36.97		41.29		49.50		55.87		54.58		47.10		39.00		30.20		26.39		38.27
1924	17.03		34.34		29.10		32.27		44.42		49.33		53.81		52.16		46.27		36.65		30.90		15.33	a	36.80
1925	26.16		33.71		30.55		38.80		44.10		50.03		55.94		52.97		45.03		33.61		27.97		31.23		39.17
1926	28.17	a	33.46		31.42		38.48	a	42.87		50.80		54.81		52.10		41.23		38.16		32.31	a	23.61		38.95
1927	22.90		31.00		30.94		32.67		39.16		49.75	b	53.06		53.74		46.50		37.93	a	34.53		16.65		37.40
1928	21.23		26.65	c	34.13		34.37		43.03		48.93		55.03		51.20	a	44.33		37.40	a	29.77		24.74		37.57
1929	13.45		11.82	f	31.74		33.60		40.34	b	47.93		50.84		52.13		43.90		36.67	a	19.07		27.55		36.11	a
1930	1.13		32.57		31.93	a	37.47		41.48		45.80		54.81		54.84		46.77		35.16		28.93		24.35		36.27
1931	29.39		28.41	a	33.55		35.90		43.33	a	49.20		54.48		52.23		46.03	a	36.84		27.07	a	21.65		38.17
1932	22.33	a	23.86		34.03		39.10	a	41.32		48.07		50.52		52.35		42.57		38.94		35.07		20.13		37.36
1933	26.71		16.12	b	32.48		34.43		38.84		45.73	d	51.94		53.71		41.80		39.23	a	31.97		32.40	a	37.11
1934	30.65		28.54		34.23		39.97		44.35		48.23		52.06		51.97		42.50		40.93	a	37.10		29.94		40.04
1935	25.19		28.32		28.74		31.93		38.61		46.07		53.81		49.35		46.50		33.19		23.90	a	26.48		36.01
1936	27.29		8.21		29.48		38.17		46.87		51.66	a	53.16		51.74		43.00	b	35.77	a	18.67		24.77		35.73
1937	1.42		20.61		33.71		35.77		41.57	a	49.17		54.55		48.30	a	46.83	a	40.68		34.63		30.11	c	36.44
1938	28.65		28.82		32.16		35.87		39.81		51.23		57.42		49.39		51.00	a	39.90	a	27.30		26.29		38.99
1939	29.61		24.04		33.87	a	35.83	a	42.03		46.23		54.29		53.48		45.40		35.43	a	26.36	b	30.87		38.12
1940	24.45		31.45		34.26		37.97		44.63	a	48.93		55.42		52.81		51.23		43.71		25.17		26.77		39.73
1941	25.00		29.57		31.90	k	37.90		43.90		48.83		57.58		53.77		44.33		36.94		31.57		29.23		39.87	a
1942	14.55		27.29		28.83	a	35.17	a	40.74		45.83	a	54.42		54.90	a	44.33		36.58		30.07		26.58		36.61
1943	16.61		27.82		28.06		37.97		37.52		45.03		51.71		49.41	b	45.33		39.42		30.27		24.71		36.16
1944	21.94		26.38		27.13		35.83		41.55	b	47.90		52.60	a	49.27	a	46.07	a	38.48		29.00	a	24.03		36.68
1945	28.58		29.39		30.40	a	31.43		42.77	a	45.34	a	51.39		51.89	d	44.57		39.29		30.93	a	24.23		37.52
1946	27.16		29.37	a	32.83	a	35.73		41.77	a	47.37		53.19		54.17	a	44.89	b	33.48		26.40		25.33	a	37.64
1947	16.68		26.82		31.83	b	35.33		45.13		46.97		52.19		49.58		46.67		41.68		30.80		27.26		37.58
1948	22.84		22.86		27.26		33.07		42.35		51.23		48.13		49.33	a	42.00		32.58		29.13		15.73	a	34.71
1949	-0.29		19.32		30.52		34.00		43.32		43.10		49.71		49.84		46.57		30.39		33.37		25.53	a	33.78
1950	2.20	a	25.92	c	31.19		33.13		37.45		49.00		51.68		52.35		43.80		38.65		30.93		29.26		35.46
1951	23.87		26.11		26.39		33.23		41.55		48.43		53.00		50.94		45.77		37.87		29.07		18.26		36.21
1952	15.81		28.34		28.66	b	35.23		45.80	f	48.41	c	50.19		50.48		44.45	a	35.52		18.23		24.84		34.56	a
1953	32.55		29.36	f	31.61		35.23		39.80	a	44.03		51.00		52.10		45.14	a	36.37	a	33.31	a	30.42		39.23	a
1954	20.39		30.11	a	27.00		31.27		41.68		45.00	b	50.16		49.53	a	45.37	c	35.23		36.73	d	26.50	a	36.58
1955	23.06		25.61		26.28	b	32.57		38.07	a	48.31	a	54.22	d	50.13		43.73	h	39.19	d	22.96	b	22.18	c	34.78	a
1956	23.93	a	15.89	b	31.23		37.83	a	44.23	e	46.55	a	54.57	a	53.19		45.12	e	37.86	b	26.86	a	26.48	b	36.98
1957	7.61		23.82		32.73	a	36.17	a	45.82	c	48.65	g	49.52	f	47.67	g	45.62	f	37.04	f	28.54	b	30.97	b	29.38	e
1958	29.97	b	36.32		30.00		35.14	a	44.79	c	52.58	d	56.73	a	53.92	r	43.07	a	33.14	c	29.79	a	29.29	c	38.26	a
1959	25.67	a	27.67	a	31.00	a	35.45	a	38.81		47.24	a	52.37	a	48.87		46.04	b	36.87	a	24.59	a	24.29		36.57
1960	13.06		26.86		28.45	b	35.27	d	38.79	b	44.39	b	55.21	b	49.73	e	42.96	b	38.04	d	31.18	b	23.50	e	35.62
1961	28.00	b	34.78	a	34.55	b	35.83	a	42.00	b	50.08	q	53.69	e	56.03	a	41.07	c	33.75	c	19.57	b	23.89	c	36.65	a
1962	21.20	a	27.71		30.38	b	35.93	c	38.46	c	41.89	l	49.52	b	49.76	f	43.64	h	36.62	b	34.71	b	31.14	b	33.96	c
1963	15.21	b	29.21		30.84	f	35.24	a	39.50	e	45.69	a	49.00	d	50.30	d	50.00	f	39.50	e	32.09	g	24.63	a	36.48	c
1964	27.78	d	26.58	e	26.92	f	30.85	d	40.43	j	47.67	i	52.92	f	47.75	c	42.40	e	35.42	e	31.08	d	15.76	j	34.55	e
1965	24.65	n	30.50	h	25.48	h	37.08	f	38.48	f	47.38	a	54.15	d	55.14	c	40.81	d	37.88	f	34.89	c	27.14	j	46.47	g
1966	27.40	a	29.87	e	30.50	e	32.83	a	38.30	h	46.00	d	50.88	e	52.44	d	48.30	c	36.16	f	33.11	c	31.74		38.31	b
1967	30.81		29.72	c	29.48	d	31.77		37.88	g	50.22	c	53.68	c	54.65		50.10	i	38.86	j	29.22	c	22.85	d	36.93	c
1968	26.43	c	30.40	d	30.71	j	30.24	a	36.36	q	47.17	f	52.26	l	50.43	j	46.12	d	37.03		33.28	a	23.26		32.39	e
1969	8.63	a	23.79		31.63	a	36.53		43.74		51.87		51.10		48.10		45.60		32.77		29.83		28.00		35.97
1970	24.90		32.46		29.77		31.77		39.16		52.95	i	55.58		51.16		41.90		34.48		30.50		25.94		36.15	a
1971	27.97		27.46		29.26		33.00		42.68		45.43		53.81		56.00		41.93		34.68		30.60		22.29		37.09
1972	22.10	a	26.93		32.61		32.43		44.29		49.70		54.23		54.77		42.13		34.10		31.07		17.16		36.79
1973	22.10		29.04		32.19		32.53		41.33	a	49.27		53.03		52.81		48.37		38.61		32.37		30.26		38.49
1974	16.57	a	30.04	b	30.23	a	36.00		41.63	d	48.93	a	54.13		52.94		46.83		34.00		33.67		29.55		37.88
1975	23.81		25.21		30.48		32.52	a	40.00	c	48.20		58.58		52.39		45.67		39.16		29.50		26.87		37.70
1976	28.52		29.68	a	28.63	a	38.03		42.39		48.70		54.42		51.16		48.67		33.03		28.03		22.03		37.77
1977	17.58		29.50		32.87		39.63		43.74		54.30		59.84		60.13		46.43		38.32		30.13		28.58		40.09
1978	24.55		32.07		35.71		39.10		46.68		51.20		56.03	a	56.52		48.03		33.23		24.40		20.71		39.02
1979	5.19		27.78	a	35.45		36.93		44.35		49.30		55.00		54.42		47.93		40.35		28.33		30.68		37.98
1980	17.71		30.03		32.52		39.47		44.77		46.93		53.35		49.29		48.87		37.13		33.90	a	29.87	a	38.65
1981	32.16		31.57		33.48		37.31	a	42.10		49.21	b	51.20	a	55.29		46.57		35.55		31.70		25.20	a	39.28
1982	17.50	a	28.68		30.16		32.50		38.23		52.57		54.52		54.23		46.53		35.97		28.27		27.27	a	37.20
1983	31.65		33.25		36.32		33.10		41.10		46.37		53.35		55.53	a	42.80		37.10		36.00		14.60	a	38.43
1984	24.93	a	30.59		34.84		35.50		38.52		47.14	a	56.87		56.90		46.67		34.87		33.13		19.32		38.27
1985	20.83	b	21.89		31.53	a	39.20		45.35		50.60		62.50	a	54.13		44.87		37.93	a	18.00		13.06		36.66
1986	26.48		28.86		37.33	a	36.53		46.86	b	55.80		52.57	a	61.26		47.20		39.40	a	32.50		24.80	p	42.25	a
1987	21.43	a	30.32		35.48		41.23		46.80	a	52.43		54.80	a	54.81		50.73		36.56	f	37.30		25.21	b	40.96	a
1988	25.67	a	30.75	a	33.77		41.69	a	43.74		52.38	a	57.19		55.23	a	47.83		43.90		34.97		24.61		40.98
1989	28.32		17.29		32.81		41.07		44.39		53.17		55.68		55.16		48.50	b	40.32		35.70		27.19		39.97
1990	31.48		26.04		33.73	a	41.47		43.61		51.03		59.84		58.94		53.23		39.58		35.93		17.10	b	41.00
1991	21.00		34.19	a	31.42		37.62	a	43.97		47.75	b	57.55	b	59.32		50.60		38.65		33.57		30.48		40.51
1992	31.70	a	35.17		37.03		41.03		46.80	a	56.66	a	57.58		59.19		49.68	b	43.42		35.10		25.13	a	43.21
1993	19.03		23.11		33.60	a	40.33		49.40	a	51.00	a	54.90		55.47	a	48.14	a	41.32		23.43		32.35		39.34
1994	36.39		30.29		36.13		41.72	a	47.90		50.90		59.74		57.29		51.93	a	39.65		31.23		28.52		42.64
1995	27.06		32.96		33.63	a	37.70		46.55		51.43	b	57.84		-----	z	53.10		39.48		35.41	c	27.26		40.22	a
1996	22.45	b	23.07	b	33.00	c	40.41	a	42.50	a	51.17	a	60.07	a	58.29		49.32	b	41.27	a	31.89	b	24.71		39.85
1997	26.42		31.39		37.35		40.04	c	48.42	e	-----	z	56.39	c	59.13		50.90	a	39.06		33.45	a	27.45		40.91	a
1998	27.28	f	33.32	c	34.94		37.39	b	45.31	b	50.65	d	62.61	c	59.00		54.14	a	38.17	a	37.23		26.10	a	43.53	a
1999	31.86	b	32.15	a	33.71		34.80		40.65		49.04	b	54.20	a	59.13		45.10	a	38.68	c	36.97		30.80	a	40.59
2000	27.81		30.34		33.39		41.13		44.97		51.47		55.93	a	55.10	a	46.78	c	39.47	a	25.81	c	23.35		39.63
2001	25.62	b	27.77	b	33.90	a	35.93	b	44.13	a	48.03	a	56.46	e	59.13	a	51.00	a	40.08	e	34.43		27.48	b	40.33
2002	29.90	a	28.21		30.00	a	37.19	c	42.45	b	52.24	a	58.92	e	55.07	a	48.32	b	33.37	d	31.03		31.97	b	39.89
2003	32.32		29.59	a	37.52	b	38.52	a	43.63	a	51.83	a	59.28	b	57.48	d	51.34	a	43.00		27.17	a	28.17	b	41.65
2004	22.23		28.45		36.83	b	39.72	a	45.13	a	51.97		59.40	a	60.00		48.97		41.30	a	35.00		30.61		41.63
2005	24.58		27.07		36.13	a	39.57		48.03	a	-----	z	58.58		57.48	b	49.48	a	47.81		41.66	a	30.07	a	41.86	a
2006	-----	z	29.71		36.43	a	39.37		45.23		52.46	b	60.35	e	55.04	c	49.57	b	37.41	b	31.68	b	24.10		41.94	a
2007	21.77		30.39		36.23		37.93		44.40	a	50.53		61.32	c	55.34	b	48.04	c	38.69	b	30.48	c	26.47	a	40.13
2008	-----	z	30.19	c	30.77	a	33.43	b	45.81		49.50		58.10	b	56.29	c	48.07		38.96	f	35.03		19.13	a	40.63	b
2009	24.38	b	28.00	a	30.53	a	36.07		44.61		51.68	b	58.83	b	57.89	c	51.04	b	36.90	b	32.60		18.77		39.27
2010	32.35		32.75		33.35		38.14	a	40.97		49.29	b	55.36	c	55.07	b	49.54	b	41.10	a	29.41	a	26.93	a	40.36
2011	27.00	a	26.88	c	33.66	b	33.69	a	41.10	b	47.54	d	53.60	a	56.55		51.77	d	41.61	c	30.17		23.23	a	38.90
2012	24.45	b	29.64	a	34.10	a	40.46	b	44.73	a	50.66	a	60.11	c	61.17	a	55.83	a	-----	z	-----	z	29.12	o	44.57	c
2013	22.25	s	29.81	b	33.50	u	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	18.11	d	23.96	j
2014	29.38	r	25.00	f	34.44	f	39.00	c	46.50	c	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	42.75	j
2015	-----	z	35.04	d	37.73	e	37.08	e	48.23	e	57.05	k	61.03	b	60.47	n	47.54	f	43.73	i	30.95	k	27.77	e	41.15	f
2016	19.00	v	33.22	b	36.39	c	43.68	b	47.77	e	51.68	h	57.12	f	56.59	i	47.42	k	43.82	i	38.20	e	19.62	b	36.48	f
2017	11.55	k	25.61	j	36.12	g	38.29	f	46.12	e	-----	z	-----	z	-----	z	51.77	d	39.50	g	32.81	i	24.73	e	40.87	i
2018	30.68	l	28.12	b	33.00	e	39.00	e	50.85	e	51.17	g	59.65	e	58.52	d	48.46	f	36.84	l	27.92	e	28.24	f	42.44	e
2019	28.50	g	17.63	a	23.71	c	41.33		47.38	b	52.67	f	56.54	c	59.25	c	51.09	h	35.41	b	27.85	c	28.89	c	37.56	c
2020	31.34	b	29.73	g	31.93	c	37.57	b	45.27	e	51.21	b	57.70	d	59.17	b	52.07	c	42.87	h	33.37	k	28.57	c	43.87	c
2021	29.80	f	25.93	a	32.55	b	37.67		44.14	c	54.21	k	62.88	e	58.64	c	51.08	d	41.12	g	36.64	b	27.07	d	41.85	c
2022	25.43	c	26.77	b	36.03	b	34.00	b	42.36	c	51.81	d	62.61	c	62.57	c	52.83	a	43.12	g	24.97	a	17.88	g	41.94	b
2023	27.36	i	26.27	b	30.66	b	36.97	a	50.13		53.78	c	60.83	b	60.70	h	51.54	d	39.50	g	31.93		32.37	a	41.61	c
2024	23.84		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	23.84	k
Period of Record Statistics
MEAN	22.52		27.65		32.04		36.21		42.82		48.83		54.83		53.60		46.49		37.35		30.41		25.22		37.90
S.D.	7.60		4.75		2.84		3.01		3.07		2.82		3.47		3.76		3.42		3.09		4.41		4.55		2.00
SKEW	-1.07		-1.19		-0.13		0.01		0.20		0.04		0.32		0.06		0.38		0.24		-0.59		-0.73		0.26
MAX	36.39		36.32		37.73		43.68		50.85		56.66		62.88		62.57		55.83		47.81		41.66		32.40		43.21
MIN	-0.29		8.21		23.71		29.20		36.97		41.97		47.84		43.84		40.57		30.39		18.00		12.41		33.24
YRS	106		112		111		116		112		102		112		108		107		102		111		111		79