MOUNT ADAMS RS, WA

Average of Maximum Temperature (Degrees Fahrenheit)

(455659)

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
1909	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1910	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1911	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1912	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1913	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1914	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1915	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1916	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1917	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1918	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1919	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1920	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1921	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1922	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1923	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1924	-----	z	-----	z	-----	z	-----	z	81.10	a	83.10		87.29		88.45		81.32	e	60.48	d	45.21	a	38.10		70.63	d
1925	43.90	b	47.85	b	53.14	b	62.15	c	70.14	c	75.83	a	87.47	a	82.28	b	73.88	d	65.18	c	45.70		41.79	b	62.44
1926	38.10		47.12	b	63.40	a	71.14	a	69.79	c	80.58	k	84.78	d	81.44	f	67.13		60.29		48.59	c	42.40	a	59.27	b
1927	35.68		42.75		50.16		60.89	b	63.17	b	77.62	a	85.03		82.32		70.40		59.55		48.67	c	38.50	a	59.56
1928	39.26		46.00		53.03		58.07		74.60	f	71.20		85.23		80.04	g	75.33		59.26		46.14	b	35.00		56.85	b
1929	32.87		35.86		51.33	a	54.96	c	68.26	d	71.80		82.16		85.26		73.11	b	64.08	g	52.07		42.70	a	59.13	a
1930	23.90		45.57		54.17	a	62.54	f	63.76	b	71.60		82.65		84.39		72.37		56.45		44.00		34.00	f	59.89	b
1931	37.74	d	42.59	f	49.00	d	60.83		73.57	c	72.67	c	84.03		83.61		69.57		59.41	b	41.67		32.93	p	63.21	b
1932	37.15	d	39.52		45.67	d	58.61	g	66.76	b	78.00	b	77.03		78.35		77.13		61.86	b	47.34	a	37.00	a	58.71	a
1933	38.76	b	37.73	b	46.31	b	61.88	d	59.96	c	72.79	a	83.23	a	81.77	a	64.90		65.16		50.37		47.28	b	59.18
1934	46.69	b	56.38	d	61.43	c	71.52	c	70.93	a	77.17		83.03		85.67	a	71.93		61.52		46.50		40.57	c	64.44
1935	38.79	b	44.29		45.77		57.97	a	69.32		75.57		81.03		81.29		79.77		63.06		44.66	a	35.65		59.76
1936	38.87		28.41		48.57	c	62.40		71.43	a	75.55	a	83.13		83.32		76.07		68.71		50.13		42.27	a	60.74
1937	28.13	a	38.71		48.62	b	52.26	k	69.87	a	74.83		84.74		79.29		75.53		64.45		47.36	b	40.68		59.29	a
1938	38.93	a	38.79		48.10	b	59.97	a	69.18	c	82.63		88.74		86.19		84.62	a	60.77		43.03		41.46	c	61.87
1939	41.03	a	40.37	a	54.30	a	64.50		70.52		73.83		87.77		86.58		77.43		60.21	b	53.03	a	43.32		62.74
1940	36.81		42.46	a	53.90		58.87		73.26		81.15	c	81.83	b	86.06		75.52	a	60.90		40.40		38.23		60.78
1941	35.77		46.11		57.94		62.67		65.00		72.31	a	88.55		81.90		66.03	a	57.24	b	47.80	e	37.81		59.93
1942	29.62	b	41.04		51.10		61.86	b	63.19		71.32	b	84.68		85.67	a	81.33		66.07	b	40.36	b	39.06		59.61
1943	29.90		40.61		45.03	a	59.87		64.32		71.90		86.19		79.45		82.18	b	59.83	b	43.80		35.81		58.24
1944	35.90		41.45		50.32		57.27		66.81		72.79	a	83.26		79.16		74.41	a	66.00	b	41.37		32.77		58.46
1945	38.81		42.00		45.13		54.47		66.45		73.21	a	85.90		84.20	a	70.59	a	62.93	c	37.67	f	32.81	d	59.68	a
1946	38.57	a	40.25		46.62	b	57.97		70.82	c	69.25	b	80.38	b	84.23	e	68.85	c	49.50	g	38.67	f	39.46	g	61.88	c
1947	34.67	d	45.04	d	53.65	e	61.54	f	72.57	a	-----	z	77.26		75.29		73.10	a	55.00	b	45.50	b	39.67	a	57.17	b
1948	37.60	a	43.03		-----	z	-----	z	-----	z	78.37	c	78.45		75.60	a	68.83	a	57.14	b	41.73	d	32.19		56.99	c
1949	27.16		35.96		44.57	a	61.76	a	69.83	a	74.73		80.32		79.52		73.20		54.83	b	50.33		39.15	e	57.61
1950	23.39		35.04		42.78	d	50.96	b	65.74		72.14	a	83.42		84.06		75.86	a	53.83	a	42.70		40.10	b	55.84
1951	34.13		39.52	a	40.23	i	63.11	c	73.97	a	76.96	b	84.13	a	82.19		76.84	e	54.89	c	43.96	b	38.19	d	60.72	a
1952	32.00	c	40.69		45.66	b	65.21	b	69.63	d	71.73		84.90		81.58		78.24	a	68.56	d	41.55	j	35.77	a	61.27	a
1953	42.29		44.39		50.52	d	53.86	b	62.37	a	65.61	l	82.77		78.79	g	74.43		60.93	c	47.28	a	42.77		56.16	b
1954	37.97		38.89		45.23	a	54.93	a	67.77		66.70		79.58	g	74.71		69.32	b	55.73	a	49.20		36.88	n	56.05	b
1955	37.64	i	39.68		41.35		48.27		62.45	b	72.33		75.23		82.32		71.87		56.17	a	38.27		34.68		56.60	a
1956	33.81		33.00		39.97		59.53		71.17	a	68.00	e	84.83	a	79.74		72.27		54.44	f	43.53	k	38.43	a	58.07	b
1957	25.69	b	39.46	d	45.46	e	59.27	d	69.43	a	74.32	h	76.56	f	77.00	i	78.90	a	-----	z	43.75	v	41.40	k	53.03	f
1958	38.37	d	46.63	i	48.95	l	55.43	g	77.40	k	78.48	c	88.16		87.81		72.34	a	63.23		43.59	c	40.53	a	64.06	d
1959	37.23	a	40.14		48.52		58.66	a	60.33	g	71.23	d	85.71		78.71		67.30		59.63	d	45.91	g	38.66	b	58.58	b
1960	33.61		40.79		48.77		56.00		60.65		76.10		88.10		77.65		76.17		62.23	a	44.72	a	35.81	d	58.38
1961	38.15	e	43.15	a	47.71		55.83		64.74		82.18	b	87.00		88.97		70.68	e	59.45	k	41.77	h	37.62	b	61.60	b
1962	38.86	b	42.32	c	45.38	b	61.03		58.93	c	74.71	b	79.19		73.77		74.00	f	57.26		43.89	c	39.40	a	55.89	a
1963	35.55	b	48.68		48.97		52.33		66.17	b	70.87		77.39		81.00		79.39	b	62.65	h	45.00	h	35.42	g	62.26	c
1964	39.04	e	46.88	d	45.50	g	55.95	h	66.00	i	69.63		80.40	a	75.27	a	70.53		61.48	b	40.89	b	34.77		57.66	c
1965	37.03		45.18		51.87		60.53		64.93	a	75.23		84.29		80.70	a	71.23		68.16	f	50.53	k	40.39	m	63.45	c
1966	38.85	k	41.74	i	48.18	i	60.76	i	73.50	k	73.61	l	79.00	a	81.94		76.17		66.04	g	49.00	j	41.05	j	79.03	i
1967	42.30	k	48.21	i	45.43	h	53.25	j	67.41	i	78.92	e	84.97		89.97		82.28	a	59.64	i	49.50	j	36.75	k	84.03	h
1968	39.91	i	48.15	i	52.29	j	55.96	f	69.04	e	73.39	b	84.71		75.00		71.63		56.94		45.83		34.87		63.93	d
1969	27.97	a	38.18		50.58		56.93		71.55		77.71	b	82.16		80.65		72.90		58.48		47.60		35.10		58.32
1970	34.05	i	46.54		50.65		52.73		68.61		82.29	b	85.65		84.84		69.07		62.50	a	46.27		37.97		62.46	a
1971	39.55		43.29		42.81		53.43		69.60	a	69.37		84.39		88.19		67.40		59.43	c	46.30		36.08	g	60.34	a
1972	36.58		42.07		52.77		52.60		71.41	b	74.30		82.29		84.32		67.83		61.33	a	46.47		34.39		58.86
1973	37.68		46.00		51.65		60.53		69.71		73.03		84.84		80.10		72.40		58.16		39.40		39.48		59.41
1974	34.26		44.79		48.32		55.38	a	61.65		78.70		79.71		83.77		80.28	a	67.35		49.30	g	40.97		61.38	a
1975	40.32		42.14		47.23	a	54.10		68.13	a	-----	z	-----	z	-----	z	-----	z	58.47	a	46.52	c	42.42	e	49.92	d
1976	43.55		42.33	b	47.67	a	56.11	b	66.24	b	72.83		81.61	c	77.50	a	79.00		67.61		49.21	a	42.30	a	60.50
1977	35.33	d	43.46	d	46.83	b	62.14	b	58.42		77.68	b	80.43	a	80.70	h	65.70		59.63	a	43.00		39.15	e	55.62	a
1978	36.68		43.19	b	53.76	b	56.41	c	62.52		75.33		83.90	b	79.20	a	66.28	a	64.16		41.20		36.00		58.22
1979	27.68		37.88	b	52.86	c	55.47		69.68		75.27		82.65		78.73	a	72.64	p	62.29		38.97		39.67	a	56.47	a
1980	32.32	c	38.10		45.00	b	59.69	d	-----	z	68.21	a	84.03		79.00	a	73.73		64.13		-----	z	41.42		58.56	b
1981	-----	z	42.24	c	54.13		56.71	b	67.52		69.89	c	82.15	k	89.94		76.67		58.50	a	48.67		37.10		60.14	b
1982	37.58	l	39.77	f	46.91	h	-----	z	-----	z	78.77		79.65		81.13		71.93		56.71		40.63		33.07	b	63.13	e
1983	40.74		42.79		50.13		57.39	b	70.54	e	71.43		79.00	c	85.50	c	70.38	a	61.35		43.00		28.61		58.41
1984	40.45	b	43.28		52.74	d	52.83		61.40	a	72.33		85.66	b	85.29		70.32	b	54.58		41.70	c	34.86	b	57.95
1985	31.59	b	40.22	a	49.10	a	60.90		68.87		76.15	d	90.06		79.39		66.50		56.59	b	35.41	c	26.86	c	56.80
1986	38.66	b	42.00	c	55.13		58.38	a	67.61		80.14	a	77.10	a	88.97		67.45	a	65.37	a	44.59	a	33.83	b	59.93
1987	35.16		43.23	b	49.97		65.11	b	70.23	a	80.24	a	79.58		82.68		78.47		68.87		47.71	b	34.93	a	61.35
1988	35.83	a	47.97		50.35		58.97		65.32		71.93	a	82.10	a	81.94		75.03		72.10	a	44.59	a	39.21	b	60.44
1989	41.48	b	33.96	a	44.42		63.68	b	66.47	a	77.20	e	80.00	a	77.79	b	77.30		58.83	b	48.93	a	41.14	b	59.27
1990	40.17	a	40.39		53.21	b	63.10		64.03		-----	z	86.36	c	82.23	a	80.72	a	56.06		47.72	a	32.17	a	58.74	a
1991	39.80	a	50.00	b	47.13	a	55.66	a	62.93	a	69.88	e	84.40	f	84.04	d	79.68	b	61.76	b	44.79	b	38.60	f	59.57	b
1992	40.24	b	46.21	e	58.76	b	59.93	a	75.29		-----	z	-----	z	83.87	a	70.43		61.35		42.52	a	34.65		57.32	b
1993	30.57	c	36.04	a	47.50	a	53.76	a	70.55	b	71.23		71.52		79.57	a	77.07		64.35		42.03		35.62	b	56.65
1994	45.61		38.36		53.72	b	62.47		68.86	b	72.29	b	87.62	b	81.79	c	-----	z	58.77		39.31	a	36.43	a	58.66	a
1995	36.43	a	47.50		49.13	a	58.07	a	70.29	c	72.48	c	82.17	b	78.86	b	76.41	a	-----	z	49.79	b	36.61	m	62.11	b
1996	36.70	h	37.71	e	50.10		57.34	a	61.24	b	74.89	b	87.34	b	83.43	a	69.10		58.46	g	43.22	g	35.52	h	65.15	d
1997	32.80	p	40.84	i	45.85	k	54.70	j	67.86	i	72.72	e	79.68	c	83.27	a	72.93	b	55.86	i	47.90	i	39.89	m	77.15	h
1998	39.69	r	42.72	j	50.76	j	60.05	i	64.13	h	74.07	a	88.71	n	87.04	e	81.00		58.19	d	44.91	g	36.00	f	75.07	h
1999	42.33	m	39.00	j	45.73	i	58.05	j	64.10	k	70.45	a	81.87		83.18	c	75.18	b	59.17	m	48.46	f	39.67	j	77.67	h
2000	36.47	n	41.65	l	48.86	j	62.22	l	63.82	i	75.23		81.42		82.66	b	70.30	c	59.24	f	41.81	n	34.28	m	77.40	h
2001	39.19	j	43.42	i	49.68	l	52.61	l	67.83	g	65.97	a	80.76	b	84.63	a	77.62	f	60.92	f	48.47	k	34.55	i	77.12	i
2002	35.57	j	41.94	j	42.75	k	53.95	h	60.11	l	70.38	a	-----	z	83.83	a	78.04	g	61.50	e	48.21	f	36.52	f	71.90	i
2003	40.33	j	46.61	j	50.48	j	54.52	i	69.32	i	78.83	a	88.26		85.55		79.04	d	65.04	e	41.91	h	35.58	g	79.34	g
2004	32.11	l	41.58	j	53.85	k	63.15	j	64.32	i	73.66	a	83.30	a	83.50	a	69.60		61.00	f	48.21	f	41.58	g	77.51	h
2005	40.48	h	48.14	g	56.08	f	57.52	e	68.40	f	70.03		83.10	b	85.74		72.85	d	60.56	f	41.58	f	32.12	g	73.85	g
2006	41.09	h	41.57	e	46.42	e	61.12	f	68.67	d	75.80		87.43	a	83.45		78.15	c	63.35	h	40.43	g	35.50	k	68.78	e
2007	38.00	g	42.26	e	52.93	d	58.92	e	15.82	t	-----	z	-----	z	80.26	l	76.15	d	56.27	e	45.83	f	37.77	i	57.31	g
2008	35.25	g	44.70	f	46.81	e	52.72	e	68.35	e	72.03	a	83.47	a	81.10	b	75.08	e	60.31	e	49.17	g	36.87	h	67.48	d
2009	40.00	j	43.74	i	44.81	j	59.48	i	68.35	h	75.72	a	88.10	a	84.07	c	76.88	e	55.40	f	44.57	g	33.67	g	81.19	h
2010	40.67	m	45.68	i	51.14	c	55.64	e	60.67	d	69.72	a	83.10		81.11	c	71.29	b	61.23	a	43.78	c	36.08	e	61.38	b
2011	41.65	e	41.19	g	44.91	h	51.00	g	63.68	i	70.69	a	77.79	b	84.27	a	78.80	e	57.61	c	44.74	g	41.92	g	68.47	f
2012	41.08	r	41.45	i	42.36	i	58.43	i	66.00	g	68.72	e	84.34	b	85.52		79.00		60.97		46.90		37.76	b	66.17	e
2013	35.81		44.61		52.42		58.07		69.17	a	75.07		88.45		82.16		73.96	b	63.14	q	46.10		41.23		60.64	a
2014	40.10		36.93	a	51.93	a	58.70		68.97		73.38	a	88.30	a	84.87	a	76.70	c	63.52	b	44.97		40.03		60.70
2015	43.42		51.92	d	58.74	d	60.14	b	70.39	c	85.36	b	87.63	a	84.86	c	72.48	a	65.68		45.13		36.87		63.55
2016	36.80	a	46.14		49.68		65.52	a	69.57	a	76.48	a	81.26		85.65		72.55	a	54.71		49.77		33.28	b	60.12
2017	29.26		37.93		45.26		53.07		69.45		74.87		86.73	a	88.48		75.93		57.55	b	43.63		36.27	a	58.20
2018	39.80	a	41.96	b	48.83	b	56.47		74.24	b	74.90		88.27	a	86.25	c	72.57	b	61.55	b	46.83		38.81	e	60.87
2019	38.67	a	33.89		45.52	b	58.13		69.48		75.30	c	79.55		83.43	c	69.59	c	54.39		49.13		38.90		58.00
2020	39.77		46.55		50.77		61.69	a	67.48	d	73.30		82.55	b	85.44	f	77.21	b	62.69	b	44.83		39.97		58.80	a
2021	41.27	a	40.00	j	55.36	t	63.56	e	67.90	a	81.93		90.82	i	83.77		73.66	a	58.24	b	46.75	f	38.12	g	67.19	e
2022	41.43	h	50.35	k	53.25	c	50.45	a	61.33	a	70.81	c	85.72	b	90.07	b	78.25	b	69.07	c	41.27		33.27	a	63.35	b
2023	39.74		39.61		44.67	a	48.54	f	72.55		78.30		86.35		86.26		72.60		60.90	a	45.73		39.87		60.60	a
2024	33.90		42.97		51.77		57.91	s	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	42.88	i
Period of Record Statistics
MEAN	36.59		41.94		49.74		58.55		67.74		74.34		83.40		82.75		73.98		60.82		45.08		37.72		59.63
S.D.	4.81		4.46		4.34		4.34		4.15		3.91		3.54		3.63		4.39		3.99		3.49		3.57		1.92
SKEW	-0.73		0.07		0.54		0.37		-0.06		0.48		-0.53		-0.26		0.05		0.46		-0.19		-0.34		0.46
MAX	46.69		56.38		63.40		71.52		81.10		85.36		90.06		90.07		84.62		72.10		53.03		47.28		64.44
MIN	23.39		28.41		39.97		48.27		58.42		65.97		71.52		73.77		64.90		53.83		35.41		26.86		55.84
YRS	76		78		79		75		78		91		90		92		94		80		71		72		35