RIDDLE, OR

Average of Minimum Temperature (Degrees Fahrenheit)

(357169)

File last updated on April 18, 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
1899	-----	z	-----	z	-----	z	-----	z	-----	z	49.80		51.52		-----	z	-----	z	-----	z	-----	z	-----	z	50.66	j
1900	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1901	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1902	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1903	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1904	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1905	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1906	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1907	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1908	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
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	32.88	d	36.58		38.40		42.55		49.47		53.23		53.58		43.20		43.13		41.64	b	34.84		42.68	a
1914	37.68		35.70	a	40.65		41.33		42.77		47.20		50.23		48.58		47.53		44.94		38.50		30.19		42.11
1915	33.06		36.11		39.19		40.50		45.32		46.37		52.74		51.58		41.70		37.77		40.28	a	36.77	a	41.78
1916	29.48		40.07		37.97	a	39.23		41.71		46.30		51.00		50.81		47.07	a	32.39		33.60		33.16		40.23
1917	31.13		32.32		33.26		39.10		43.81		44.89	b	50.55		48.37	a	46.50		34.42		40.43		40.87		40.47
1918	38.55		34.43		36.58		35.97	a	40.45		48.17		48.29		49.32		48.21	b	44.00		38.37		32.39		41.23
1919	33.13		35.64		37.03		39.70		41.35		43.00	a	50.48	f	51.87	a	48.93		38.71		36.90	a	33.67	a	39.99	a
1920	35.19		30.14		35.37	a	37.39	b	36.13		47.53		49.90	a	51.32		47.76	a	42.90		37.23		36.29		40.60
1921	35.52		37.82		39.39		40.63		43.26		49.17		47.87		49.71		40.63		41.68		42.60		34.52		41.90
1922	30.35		33.85	a	35.77		36.57		41.10		47.10		50.16		49.61		44.27		45.48		36.90		35.81		40.58
1923	36.37	a	33.11		35.13		38.53		42.90		47.76	a	53.90		52.97		49.77		44.32		40.00		32.77	a	42.29
1924	33.23		38.83		35.10		38.27		42.97		47.27		47.71	c	50.00		43.70		41.58		39.20		31.19		40.75
1925	37.81		39.43		36.61		41.53		45.17	a	46.70		50.58		47.23		47.20		35.24	b	38.50		36.17	a	41.85
1926	35.74		38.89		35.81		42.07		42.23		46.57		48.45		49.19		42.03		43.74		42.10		34.84		41.80
1927	35.52		35.23	o	36.08	r	36.85	q	41.56	v	48.69	d	49.68	c	49.03		48.23	d	42.00		42.47		32.62	b	43.53	d
1928	36.06		34.14		41.84		40.67		41.90		48.83		50.68		47.06		44.14	a	41.61		38.83	a	32.68		41.54
1929	30.88	o	27.62	b	36.23		36.13		40.16		46.60		47.19		46.71		37.73		39.84		29.37		39.83	a	38.86	a
1930	29.03	a	39.21		35.03		41.27		40.90		44.23		46.87		49.19		46.20		39.48		35.73	d	34.61		40.15
1931	35.50	c	36.64		39.13		39.43		46.10	b	48.63		52.71		49.97	a	-----	z	40.35		36.07		34.74		41.75	a
1932	33.48		31.86		39.97		38.53		43.32		48.77		49.32		49.65		41.67		39.31	b	41.38	a	27.84		40.42
1933	31.55		31.54		35.07	a	37.27		41.23	a	48.63		49.83	b	51.00	b	42.62	a	38.00		36.70		38.55		40.17
1934	38.77		37.82		40.52		40.31	a	47.23		46.80		49.77		48.52		41.27		40.94		41.67		36.60	a	42.52
1935	31.87	a	34.50		31.97	a	37.31	a	37.90	a	45.50		49.48		44.67	a	43.00		41.75	c	35.27		33.48		38.89
1936	36.03	a	35.24		33.86	b	40.29	b	46.39		51.87		51.17	a	49.52		44.12	d	37.87		-----	z	34.35		41.88	a
1937	25.39		33.64		38.26		37.53		-----	z	47.88	v	51.68		45.83	a	45.31	a	46.17	m	42.07	b	40.26	h	39.96	d
1938	35.87		33.32		35.45		40.53		40.10		45.23		51.39		43.23		45.93		39.74		33.10		33.97		39.82
1939	33.16		30.54		34.55		35.07		40.26		43.17		48.65		47.87		45.97	a	42.77		36.21	a	38.16		39.70
1940	35.19		39.32	a	37.90		40.07		42.77		47.17		50.39		48.71		49.23		44.26		37.53		34.48		42.25
1941	35.19		35.93		34.84		35.77		42.48		46.38	a	50.65		50.03		42.11	b	39.60	a	38.00		36.85	e	40.65
1942	35.87		34.61		34.10		37.73		-----	z	44.80		49.21	c	49.67	d	44.41	a	40.65		40.04	f	37.03		40.81	b
1943	31.03		33.04		36.03		40.90		39.94		45.80		48.45		45.90		44.10		41.16		36.30		32.84		39.62
1944	33.55		35.48		34.52		-----	z	-----	z	-----	z	-----	z	-----	z	44.94	n	44.19		37.37		36.68		36.96	f
1945	36.26		37.54		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	42.86	p	42.45		40.37		37.71		38.86	g
1946	34.68		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	44.50		40.23		37.67		36.13		38.64	g
1947	31.68		38.32		39.35		40.00		44.52		48.07		52.58		50.35		46.13		48.29		41.14	a	36.06		43.04
1948	34.17	b	34.55		35.84		37.53		43.52		53.07		49.90		50.87		45.68	b	43.35		36.07	a	31.58		41.34
1949	24.52		34.89		39.32		40.14	a	45.47	a	46.07		50.81		50.20	a	49.30		38.90		41.87		34.71		41.35
1950	29.03		35.04		35.52		36.60		39.87		49.17		50.29		50.84		46.23		46.48		41.72	a	42.40	a	41.93
1951	33.53	a	35.85	a	32.74		39.00		43.35		47.77		51.31	b	49.26		46.07	a	44.10		38.43		33.32		41.23
1952	32.32		34.07	a	34.90		38.21	a	41.52		47.33		52.90	a	52.29		48.60		43.03		31.63		35.35		41.01
1953	39.13		35.04		35.40	a	38.13		42.42		47.03		49.55		52.84		48.90		43.42		42.93		36.45		42.60
1954	34.19		36.75		33.68		39.90		43.32		47.27		51.23		52.19		48.19	c	40.55		41.93		33.77		41.91
1955	33.74		32.04		33.81		37.27		42.19		48.56	c	50.48		49.39		45.86	a	45.16		38.83		38.06		41.28
1956	35.77		31.34		35.06		40.00		44.87		46.61	b	53.39		51.71		47.50		42.16		36.70		34.61		41.64
1957	30.29		37.46		40.45		40.70		46.53	a	50.37		49.77		48.68		49.10		45.26		35.23		36.45		42.53
1958	36.61		41.79		34.94		39.27		46.81		54.67		55.97		55.23		47.17		42.19		41.86	a	41.23		44.81
1959	38.32		35.04		36.90		40.23		41.94		49.33		53.19		50.26		48.53		44.42		35.17		33.58		42.24
1960	34.48		35.07		39.58		40.57		43.65		48.63		54.52		50.39		47.43		42.87		37.90	a	35.03		42.51
1961	35.39		40.32		38.55		38.70		45.32		51.43		52.87		55.55		45.27		41.81		34.93		36.23		43.03
1962	30.59	b	34.89		36.23		40.83		44.07	a	46.77		50.77		51.74		49.30		-----	z	41.93		35.90		42.09	a
1963	26.52		42.18		36.10		38.87		44.52		49.67		50.58		52.10		51.43		44.94		40.37		34.94		42.68
1964	34.48		30.28		35.10		36.60		41.81		48.30		52.32		51.29		44.40		43.13		38.50		37.35		41.13
1965	35.65		35.21		34.45		41.93		41.19		48.27		52.48		54.97		43.50		45.13		42.10		32.45		42.28
1966	34.03		34.29		36.94		39.33		42.58		47.93		51.65		52.06		49.97		42.97		41.57		37.55		42.57
1967	36.27	a	34.71		36.23		36.83		40.97		51.20		53.32		54.03		49.00		44.26		41.07		32.90		42.57
1968	34.77		39.62		38.39		37.10		42.87		48.53		53.65		53.84		48.83		43.23		41.57		35.10		43.12
1969	32.58		33.39		33.39		38.87		46.74		53.93		51.58		49.84		50.03		41.45		39.83		37.97		42.47
1970	39.06		37.32		37.68		36.10		43.48		52.03		52.42		49.03		44.30		39.26		41.59	a	35.16		42.29
1971	33.19		36.25		35.65		37.90		43.90		48.77		52.74		54.58		45.00		42.27	a	38.83		33.32		41.87
1972	32.74		37.24		41.26		36.67		43.43	a	49.83		53.48		53.39		44.43		41.71		41.40		31.03		42.22
1973	33.87		38.32		36.97		39.17		45.35		49.83		52.77		50.23		49.50		40.97		39.87		39.94		43.07
1974	31.03		34.93		38.06		39.40		43.61		49.63		53.00		53.71		46.63		37.48		41.37		37.48		42.20
1975	35.61		36.29		36.81		36.70		43.55		48.73		53.97		52.19		48.13		44.52		37.57		38.55		42.72
1976	35.87	a	33.07		34.68		37.53		42.00	a	44.10		52.03		52.74		50.30		40.94		40.27		31.45		41.25
1977	30.00		35.29		34.58		36.28	a	40.94		50.00		49.77		54.94		47.80		44.10		36.77		37.67	a	41.51
1978	38.10		37.39		40.16		40.33		43.52		50.60		54.42		53.84		48.50		41.65		30.97	a	30.23	a	42.48
1979	28.63	a	34.48	a	39.41	b	41.96	b	43.18	c	-----	z	50.45		52.52		49.17		46.23		38.03		35.55		41.78	a
1980	31.90		38.04	a	36.94		40.72	a	44.17	a	48.57		53.74		47.86	b	44.43		41.26		40.73		36.20	a	42.05
1981	38.10		36.54		39.03		40.57	b	45.45		49.73		51.39		52.47	a	46.53		43.00	t	40.65	g	39.16		43.90	b
1982	31.58		32.26	a	34.79	b	36.10		40.77	a	52.78	c	53.35		52.13		47.20		43.53	a	36.17	a	35.79	b	41.37
1983	35.58	e	37.91	e	40.90	b	38.57		46.43	a	48.50		53.03	a	54.55		46.72	a	42.31	b	41.66	a	35.90	a	43.50
1984	35.87		37.14		39.33	a	39.79	a	43.27	a	47.67		51.47	a	51.32	c	44.53		42.06		38.31	a	34.55		42.11
1985	32.43	a	33.89		33.30	a	41.90		44.23		49.68	b	54.94		49.60	a	44.48	a	38.68		33.73		31.19		40.67
1986	37.19		39.30	a	40.84		38.07	a	43.55		51.77		51.63	a	54.71		46.22	c	44.94		41.40		36.00		43.80
1987	31.67	a	34.78	a	37.26		39.97	a	46.97		50.07		53.58		50.48		44.97		38.26		40.47		34.39		41.90
1988	34.43	a	34.31		34.58		41.73		43.26		49.07		52.48		50.84		44.00		46.03		39.90	a	32.58		41.93
1989	33.73	a	27.36		38.52	b	42.00		45.03		49.53		52.80	a	51.77		45.68	b	41.45		38.57		34.06		41.71
1990	36.00	b	32.33	a	37.13		41.53		43.48		49.67		55.06		55.87		50.66	a	39.57	a	38.85	c	27.87		42.34
1991	30.42		39.48	a	35.31	b	39.27		43.27	a	47.90	a	54.29		53.16		45.55	a	38.16		42.31	a	35.57	a	42.06
1992	35.97		38.21	a	39.97		42.90	a	47.40	a	53.34	a	54.65		51.06		45.59	a	42.00		40.07		34.94		43.84
1993	32.58		33.14		42.97		41.87		47.26		49.53		51.41	d	52.13		44.97		42.77		30.80		34.23		41.97
1994	36.32		33.93	a	35.71		41.27		47.35		48.00	a	53.90		51.13		47.80		39.42		35.76	a	35.13		42.14
1995	39.52		41.11		37.48		39.07		45.23		48.97		55.70	a	48.83	a	50.60		42.39		44.60		40.10		44.47
1996	37.58		39.79		37.74		41.30		44.97		47.70		54.60	a	51.42		45.27		43.94		41.97		37.71		43.67
1997	34.58		35.64		37.13		40.83		46.87		50.45	a	53.23		53.77		50.47		44.84		42.73		34.81		43.78
1998	39.13		36.93		39.00		40.27		46.00		50.40		56.71		53.10		48.41	a	41.81		41.67		32.42		43.82
1999	36.65		35.86		36.71		38.27		42.20	a	47.93		51.30	a	55.60	a	44.17		37.90		43.77		36.42		42.23
2000	35.32		40.04	a	36.10		41.70		47.00		50.17		53.32		50.87	a	47.28	a	42.80	a	36.60		35.74		43.08
2001	34.16		33.61		38.03		39.00		43.50	e	47.00	b	52.82	c	52.04	c	45.31	d	40.28	f	39.84	e	35.77	e	41.92	a
2002	35.43	c	34.18	f	34.08	f	39.50		41.78	d	50.57		53.81		49.77		45.20		37.42		37.30		39.35		43.01	b
2003	41.68		34.68		41.19		40.60		44.39		50.00		53.97		54.55		47.55	a	43.65		38.17		38.13	a	44.05
2004	38.48		37.72		40.03	a	40.07		47.35		51.57		54.87		55.26		49.30		44.58		37.97		37.83	a	44.59
2005	35.03		35.39		39.03		40.00		49.29		50.63		54.45		52.74		44.60		45.47	a	39.83		38.06		43.71
2006	38.30	a	32.33	a	36.42		41.57		45.55		54.37		55.17	a	50.87		46.03		38.77	a	40.66	a	35.61		42.97
2007	30.77		36.18		38.16		41.30		44.26		49.43		57.35		52.97	a	45.81	c	43.61	h	39.55	h	35.12	g	44.03	c
2008	31.64	i	34.72	d	35.00	b	35.23		46.61		46.73		53.52		53.52		45.03		41.81		43.93		34.03		42.74	a
2009	34.61		35.36		35.90		37.77		44.68		53.53		54.87		53.19		47.50		42.19		38.60		31.68		42.49
2010	41.03		39.37	a	37.52		39.20		43.84		50.80		53.90		53.23		51.30		45.39		40.57		38.42		44.55
2011	37.65		33.79		40.19		40.13		44.16		50.47		53.65		54.71		50.17		45.45		39.17		32.65		43.51
2012	35.48		35.93		37.94		43.97		44.52		50.70		55.16		54.26		46.77		42.77		43.47		37.26		44.02
2013	32.74		36.71		39.90		42.90		47.65		51.63		55.71		56.77		53.00		41.32		39.67		30.58		44.05
2014	35.03		39.64		40.42		41.10		47.32		50.40		57.13		56.65		51.10		47.90		43.77		41.71		46.01
2015	38.87		41.18		41.48		39.73		48.42		54.73		57.32		55.29		47.83		47.55		38.97		38.32		45.81
2016	37.68		41.38		41.68		44.17		48.29		49.83		55.58		53.03		48.07		48.87		44.03		35.20	a	45.65
2017	32.65		39.54		42.03		41.77		46.32		52.50		54.03		55.03		51.30		42.52		41.37		34.80	a	44.49
2018	40.23		35.25		36.65		41.33		48.87		49.10		54.65		53.81		45.77		42.42		39.23		37.23		43.71
2019	37.26		34.25		35.81		44.83		45.61		49.47		55.26		56.26		53.30		39.42		36.70		37.84		43.83
2020	39.26		35.10		36.35		42.47		46.35		51.33		53.97		53.77		50.23		43.06		37.90		37.29		43.93
2021	38.61		36.93		35.13		35.77		45.00		53.13		56.06		55.19		48.23		44.42		42.43		36.58		43.96
2022	35.42		33.75		40.06		37.73		45.13		51.13		57.03		56.87		52.33		44.77		35.80		36.77		43.90
2023	35.39		31.43		34.13		40.93		48.94		49.30		52.61		56.42		50.00		47.19		41.33		41.26		44.08
2024	41.58		39.38		36.90		40.88	m	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	39.29	i
Period of Record Statistics
MEAN	34.69		35.74		37.15		39.49		43.98		48.99		52.40		51.64		46.76		42.21		39.09		35.48		42.39
S.D.	3.24		2.92		2.41		2.05		2.46		2.40		2.35		2.74		2.81		2.90		3.04		2.78		1.43
SKEW	-0.47		-0.12		0.28		-0.05		-0.18		0.09		-0.08		-0.32		-0.18		-0.46		-0.75		-0.10		0.15
MAX	41.68		42.18		42.97		44.83		49.29		54.73		57.35		56.87		53.30		48.87		44.60		42.40		46.01
MIN	24.52		27.36		31.97		35.07		36.13		43.00		46.87		43.23		37.73		32.39		29.37		27.84		38.89
YRS	109		109		108		107		105		107		108		108		108		106		107		109		93