CRATER LAKE NPS HQ, OR

Average of Average Temperature (Degrees Fahrenheit)

(351946)

File last updated on April 26, 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
1919	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	37.72	f	30.90		26.59	c	28.74	j
1920	33.44		28.04	b	26.72	a	31.60		40.16		47.68	b	55.45		56.70	a	47.55	a	36.27		28.78		27.11	h	39.31	a
1921	31.41	b	33.98	b	33.16		35.54	c	41.77		49.21	a	56.00		56.16		46.57		44.84		34.18	m	27.75	c	41.49	a
1922	18.60	b	28.96		31.95		34.90	a	41.50	b	53.79	a	60.92		54.79		52.58		40.89		28.86	b	23.60	b	39.28
1923	23.90	b	26.65	b	31.58		36.56	f	40.98	a	-----	z	55.69		53.92		48.57	b	39.80	a	36.31	d	25.04	d	38.24	b
1924	25.22	a	31.35	b	27.56		37.52		46.35		54.19	d	53.73	a	50.23		45.13		38.93	a	27.76	c	19.48	f	39.82	a
1925	29.71		26.09	e	31.58		34.69	a	-----	z	-----	z	-----	z	54.02	k	-----	z	-----	z	-----	z	-----	z	30.52	h
1926	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	34.80		23.42	a	29.11	j
1927	22.98	a	22.11	a	25.14	b	29.39	b	37.53	l	45.97	a	55.96	h	54.93	a	41.38		38.76		30.14	a	23.85	a	33.47	b
1928	27.69	b	27.88	d	29.48	b	28.13	d	44.76	b	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	31.59	g
1929	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	59.37		-----	z	42.90	b	38.42	e	29.28	f	46.90	i
1930	17.80	f	26.96	a	-----	z	31.82		32.58		-----	z	-----	z	55.94		-----	z	-----	z	38.43		28.78	a	35.75	f
1931	31.43	b	31.02		30.25	a	35.24	a	45.25	a	51.48	b	60.55		57.69	e	46.57		39.92		31.59	g	25.68	n	42.94	b
1932	23.03	a	20.60	i	31.98	f	32.15		40.00		48.93		54.00		56.00	a	53.22		45.73	a	34.92		20.29	b	40.83	b
1933	21.10		21.46		26.33	a	35.21	a	34.33	b	45.79	a	57.70	a	58.19		45.79	a	48.41	b	38.91	a	30.24	f	39.39	a
1934	31.93	a	32.71	b	39.70	a	42.40		43.71	b	47.18		55.45		57.73		51.47		42.78	a	33.64	b	29.13		42.32
1935	29.45	k	29.43		24.50		33.07		40.56		49.03		52.97		57.13		54.35		39.37		31.65		30.84		40.26	a
1936	27.08		25.57		29.82		37.95		42.95		47.23		57.95	b	58.00		50.88		49.15		38.73		26.32		40.97
1937	13.89		21.57		27.94		29.88		41.90		46.92		58.13		54.45		51.29	a	42.83	d	33.67		30.18		37.72
1938	28.34		23.32		24.05		32.67		38.65		47.67	a	57.94		54.71		53.12		40.02		29.30		30.24		38.33
1939	27.16		22.50		31.65		39.29	a	41.89		45.65		57.94		60.50	h	51.83		43.29		38.15		29.84		39.02	a
1940	29.23		27.86		32.67	a	35.68		44.45		55.32		54.50		60.10	a	45.72	c	41.32		30.67		29.84		40.61
1941	27.98		29.68		34.94		35.50	d	40.32		44.48		58.48		53.20	a	44.70		40.80	a	36.58		26.82		39.46
1942	28.33	a	24.21		29.98		34.28		37.66		44.53		57.87		58.55		53.68		45.58		30.93	w	-----	z	41.47	b
1943	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	54.43	a	52.58	a	56.12	q	-----	z	-----	z	-----	z	53.51	j
1944	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	55.63		54.42		-----	z	-----	z	-----	z	-----	z	55.02	j
1945	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1946	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	34.65	a	30.15		28.65		31.15	i
1947	26.11		32.82		33.31		36.98		46.19		44.02		54.00	b	52.77		46.36	a	41.31		30.55		27.42		39.32
1948	31.03	b	24.82	a	25.69		28.08		37.48		47.60	a	52.27		56.61		47.82		44.19		28.63		18.74		36.92
1949	17.62	a	21.48		27.07	a	38.95		43.18	a	50.07		56.65		53.87	a	52.31	a	38.43	a	40.15		24.27		38.67
1950	17.08		27.37	a	26.58	a	32.50		41.08		45.55	a	55.97		59.10		52.03		40.29		34.55		33.31		38.78
1951	23.39		25.92	c	26.27	a	39.97		41.45		50.33		58.98	b	57.12	a	56.59	a	38.87		31.53	a	24.23		39.55
1952	20.30	a	25.41		24.73		37.48	a	40.97		42.57		57.62	c	54.27	k	53.83	i	49.70	f	31.78		25.11		34.00	c
1953	29.15		28.70	a	27.50	a	31.13		34.03	a	39.57	a	54.23		51.76		56.46	b	40.55	a	33.59	b	28.87		37.96
1954	22.68	a	32.34		24.80	a	34.60	a	41.62	a	42.19	d	54.36	b	49.67	a	46.09	b	39.42	a	35.50	a	26.39		37.47
1955	23.52		22.39		24.63		24.93		37.53		46.82		50.26		57.61		45.57	i	40.76		28.53		25.55		34.78	a
1956	22.39		22.00		25.06		34.96	b	41.00		43.50	c	57.77		53.84	b	49.98	c	37.50	a	37.48		31.53		38.09
1957	19.47		29.15	a	27.09	b	32.83	a	40.40		48.43		52.47		50.48		52.78		36.11		30.37		28.97		37.38
1958	27.17	a	29.02		23.45		30.08		44.97		46.43		58.00	a	59.27	a	48.22		45.66		33.97		34.35		40.05
1959	27.13		24.71		29.10		37.25		35.89		48.86	b	59.83	a	56.48	a	44.59	a	42.02		37.75		30.56		39.51
1960	23.61		23.07		30.95		31.13		36.11		49.88		60.00		52.73		52.18		41.84		28.85		29.66		38.34
1961	31.13		25.52		25.42		32.82		37.05		51.03		57.37		58.79		44.97		39.27		30.30		24.52		38.18
1962	25.22	b	24.96		23.53		35.63		33.81		46.02		55.10		53.19		52.30		42.06		32.62		32.61		38.09
1963	28.66		33.62		27.27		26.57		40.74		43.67		50.24		53.61		52.37		39.77		30.25		32.58		38.28
1964	23.60		28.41		25.31		30.47		36.52		43.21	a	53.21		51.77		47.47		45.26		30.82		24.69		36.73
1965	27.68		28.84		30.34		33.38		36.42		45.60		53.52	a	52.37		46.69	a	46.02		31.40		24.03	a	38.02
1966	24.44		22.75		27.45		36.78		43.00		44.32		50.30	a	55.44		49.76	a	42.16		32.73		26.77		37.99
1967	26.29		29.32		23.69		24.02		38.98	a	46.57		57.00		60.68		54.28	a	39.23		35.47	a	24.16		38.31
1968	25.40	a	31.86		30.05		31.45		37.79		47.30		57.55	a	49.77		49.72		38.31		29.68		20.97		37.49
1969	20.98		20.18		27.77		30.37		42.78	a	47.76	a	54.42	a	52.73		49.48		34.23		36.62		28.02		37.11
1970	25.48		30.39		28.02		25.92		39.73		48.72		56.08		56.19		44.53		39.06		31.13		22.03		37.27
1971	25.73		26.89		23.10		29.42		37.68		42.05		55.29		58.33	a	45.32		36.82		30.52		20.63		35.98
1972	23.39		26.19		30.47		27.92		40.24		47.23		55.85		54.84		43.62		41.27		29.07		21.15		36.77
1973	21.60		27.45		25.26		33.92		42.45	b	47.00		-----	z	54.74		48.85		39.08		26.53		26.06		35.72	a
1974	21.55		23.09		26.90		28.58		36.35		48.48		51.92		55.40		55.78		43.58	a	32.26	a	26.05		37.50
1975	26.82		23.38		24.76		24.71	a	37.95		44.08		54.15	a	50.24		54.40		35.35		25.87		30.47		36.01
1976	29.50		25.31		25.21		28.88	a	39.63		42.58		51.97		47.82		50.73		43.76		39.57		33.02		38.16
1977	28.32		30.72	a	23.37	a	35.20		31.23	a	51.28		53.20	a	58.74		45.63		41.26		27.45	a	27.31		37.81
1978	26.50		26.59		32.88	a	29.73		35.20	a	44.37		54.30	a	51.78	b	42.97		47.50	g	29.23		21.11		35.88	a
1979	20.89		23.86		31.34		30.42		-----	z	-----	z	54.29		52.07	b	51.78		42.63		28.77		29.77	a	36.58	b
1980	24.23		28.81		25.10		32.72		37.10		40.17		54.21		52.47	a	48.67		43.87		32.95	a	31.87	a	37.68
1981	32.44		28.25		29.10		33.03		37.95		46.42		54.15		58.71		50.75		38.19		31.15		26.34		38.87
1982	22.55		23.96	a	24.61		26.29	a	38.48	a	44.72	a	51.31		53.85		45.43	c	38.30	a	27.79	a	25.76		35.26
1983	27.97	a	25.54	a	28.07	b	-----	z	37.13		42.17	a	44.78	b	53.88	a	47.55	a	42.13	a	27.45	a	22.71	b	36.31	a
1984	29.05	a	27.79		29.53	a	28.28		36.68		42.26	a	54.34	b	54.18		46.92	d	34.35		25.28		21.78	a	35.87
1985	29.82	a	24.84		25.13		37.10	a	37.50		47.88	a	58.89		52.03	a	42.27		38.05		23.53	a	31.91	b	37.41
1986	29.29		27.98	a	32.10		31.42		37.58		49.52		50.23	a	59.45	a	42.43	b	42.15		31.78		28.16		38.51
1987	24.73		26.79		26.44		37.32		41.70	a	50.48	a	50.40		55.69	b	53.78	c	50.17	a	32.05		22.40	b	39.33
1988	24.10	a	31.36		28.61		34.67		36.15	a	45.14	a	56.78	b	56.15	a	51.14	b	50.48	b	27.68		27.63		39.16
1989	25.88	a	18.86		26.63		36.65		36.60		46.88		51.85	a	50.38	a	48.84	a	38.76		33.97	a	33.64	b	37.41
1990	26.82	a	23.83	a	-----	z	38.65		37.50		45.04	e	-----	z	54.69	d	52.35	g	39.82	a	31.95	h	20.17	p	38.05	e
1991	29.90	f	33.41	a	23.83	a	29.30		34.98	a	40.88	a	55.21	g	54.93	h	55.30	h	44.62	f	32.72	c	28.82	a	31.99	e
1992	28.05	b	30.80	a	35.03		36.64	a	48.34		51.12	a	53.19	b	58.14	b	50.02	b	43.90	a	29.38		23.42	a	40.67
1993	21.13		23.71		33.11		29.37		40.62	a	41.93	a	46.84		51.92	a	51.40		44.08		30.97	a	27.52	b	36.88
1994	31.43	b	23.85	a	33.13	a	34.73	b	41.53	a	46.19	a	58.33	h	54.56		51.52	a	39.35	g	22.02	a	23.17	a	36.21	b
1995	26.48		34.00	a	26.73		30.48		39.38	a	43.27		51.82		51.00	c	52.07		40.71		36.04	b	28.00		38.33
1996	26.40		28.05		29.85	a	32.57		36.40		45.45		58.02		56.69		46.62		39.76		32.63		26.86	b	38.28
1997	23.82		26.57	a	30.03	b	30.34	b	42.83	a	43.52	a	53.53		55.97		48.54	b	38.84		32.72	a	27.05		37.81
1998	27.47	b	24.93	a	28.24	b	32.69	c	34.97	a	44.38		56.65		57.45		52.32	b	38.53		28.45	a	23.57	a	37.47
1999	27.00	a	22.60	c	24.07	b	30.85		36.45	a	42.90		50.95		53.40		50.92		44.65		33.81	a	30.40	b	37.33
2000	24.74		28.67	b	26.60	b	35.98	a	38.32		48.78		52.98		56.13		48.98		39.61		29.17		29.84		38.32
2001	27.76		24.81	a	32.23		29.72		45.55		46.10	a	55.28	a	58.17	a	52.50		43.74		31.85		24.03	a	39.31
2002	23.39		28.85	b	26.35		35.15		38.27		48.18		58.77		54.02		51.43	a	41.61		34.88		28.45		39.11
2003	33.22	a	26.78	a	28.85	a	28.72		40.43	d	48.98		59.40		56.15	a	53.74	a	44.42	a	25.88	b	26.45	a	39.42
2004	26.70	a	26.24		35.02	a	36.05		38.95		46.67		56.66		56.03		47.33	a	39.18		31.81	a	31.32	a	39.33
2005	28.20	a	29.98		32.61		30.77		39.88	b	41.93		57.60	b	57.82		47.38		40.18	a	32.64	a	28.07	b	38.92
2006	24.70	a	25.70		21.94		32.35		41.11		47.08	e	59.02	c	54.56		50.95	a	40.73	c	28.62	b	26.34		37.76
2007	24.95	b	28.20		33.53	b	32.48	b	40.71	e	46.46	b	58.94		54.60		49.23		35.93	b	34.43	c	23.19	b	38.55
2008	21.79	b	26.74		24.93	a	28.05		38.79	g	43.62	d	54.32		55.27		51.95		42.76		35.48	a	25.12	a	37.28	a
2009	30.45		25.89		25.71		30.31	a	40.56		45.92		57.53		54.98		52.72		37.45		28.68		23.79		37.83
2010	27.32		25.25		27.63		28.16	a	32.47		41.98		54.95		52.26		47.55		41.21		27.50		23.95		35.85
2011	28.11		23.89		24.13		25.72		33.18	a	41.42		48.66		55.10		53.03		40.13		27.45		29.81		35.89
2012	27.65		24.72		24.10		31.95		37.79		41.55		53.52		57.53		54.45		41.37		31.25		22.50		37.36
2013	26.29		26.07		30.10		33.05		39.03		46.70		59.98		54.98		47.88		40.00	i	32.63		28.45		38.65	a
2014	33.44		26.07	a	30.13	a	33.37		39.90		46.41	a	59.69		56.48		52.03		42.23	a	31.97		28.14	b	39.99
2015	35.87	a	34.91		36.40		34.80	c	43.11		54.98		56.66		56.98		49.03		46.34		28.59	b	24.53	b	41.85
2016	23.16		29.83		28.42		36.80		40.33	a	46.88		53.26		57.50		48.17		35.58		32.33		19.89		37.68
2017	22.18		25.59		30.06		30.75		41.26		45.70		57.26		59.20	a	49.95		38.18	a	27.72	a	30.05		38.16
2018	29.24		23.50		24.94		32.38		43.13		46.97		58.92	a	57.50		49.40	a	41.25	a	33.62	a	24.63	a	38.79
2019	29.10		19.09		25.55	a	34.82		40.55		47.69	a	53.43	a	57.45	a	46.23		35.63		37.14	a	26.19		37.74
2020	24.98		27.71		27.40		34.44	d	40.79		46.97		56.69		59.32		55.82		45.98		30.40		27.89		39.87
2021	26.98		25.27		27.42		36.43	a	41.60	a	54.35		62.66		58.84		51.52		38.39		34.50		25.53		40.29
2022	31.97		30.62		32.15		27.98		36.48	d	45.98		59.65		61.05		54.37		47.84		28.37		24.85		40.11
2023	24.94		24.30		20.08		30.48	b	43.26		47.42		58.85		58.82		47.71	a	41.83	a	33.79	a	32.37		38.65
2024	27.61	d	27.37	c	27.87	a	34.65	j	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	27.61	i
Period of Record Statistics
MEAN	26.14		26.75		28.13		32.58		39.53		46.46		55.39		55.37		49.62		41.09		31.74		26.80		38.32
S.D.	3.88		3.43		3.57		3.73		3.35		3.29		3.23		2.82		3.47		3.45		3.67		3.50		1.37
SKEW	-0.28		0.20		0.54		-0.03		-0.02		0.45		-0.51		-0.28		-0.19		0.43		0.15		-0.01		0.37
MAX	35.87		34.91		39.70		42.40		48.34		55.32		62.66		61.05		56.59		50.48		40.15		34.35		42.32
MIN	13.89		18.86		20.08		24.02		31.23		39.57		44.78		47.82		41.38		34.23		22.02		18.74		35.26
YRS	96		98		96		96		94		93		92		96		91		92		96		93		73