PORCUPINE 11 N, SD

Average of Minimum Temperature (Degrees Fahrenheit)

(396736)

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
1963	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	48.94	n	-----	z	24.10		11.87		17.99	j
1964	14.84		16.69		18.29		33.47		45.87		50.97		59.19		-----	z	43.03		31.16		19.37	c	7.52	b	30.95	a
1965	13.00	b	9.48	a	9.93	d	36.10	i	43.06		52.60	t	57.52	b	53.97	a	40.27		36.13		25.10		21.00	b	30.95	b
1966	4.35		8.26	a	22.19	d	29.47		40.87	a	54.10	a	64.68		54.71		47.90	a	34.35		22.33		13.65		33.07
1967	16.40	a	15.22	a	25.71		34.63		39.07	a	51.10		57.35		53.77		47.07		35.55		20.53		10.28	b	33.89
1968	7.94		17.00		26.31	b	30.97		39.93	a	52.73		58.32		53.60	a	43.40		34.03		22.03		10.03		33.02
1969	6.55		17.79		18.03		38.87		44.32		48.67		59.13		60.29		50.83		31.74		24.83		15.90		34.75
1970	5.87		17.44	a	16.60	a	31.80		45.00	a	53.37		58.13		59.16		44.07		29.45		25.27		9.81		33.00
1971	8.77		10.36		22.35		34.37		42.35		54.70		52.39		58.45		43.43		33.77		24.93	b	10.67	a	33.05
1972	6.03		13.72		22.55		30.97		42.97		52.80		52.19		53.26		42.87		29.06		18.10		3.77		30.69
1973	9.52		13.14		28.19		32.67		39.53	a	50.93		55.84		58.37	a	45.17		36.10		20.50		13.13		33.59
1974	6.84		19.54		23.65		34.28	a	40.42		50.87		61.94		54.00		38.60		35.52		23.97		14.84		33.70
1975	13.45		5.25		20.39		32.10		43.42		51.67		61.58		56.77		43.00		33.81		19.73		18.13	a	33.28
1976	12.06		24.28		21.58		37.47		42.27	a	51.38	a	61.77		57.52		45.90		31.32		16.00		15.87		34.78
1977	3.39		22.54		25.23		37.41	a	49.94		58.10		63.32		54.19		50.17		34.77		24.28	a	13.03		36.36
1978	0.16		6.64		24.87		36.23		45.84		52.30		59.84		56.10		50.47		32.90		18.83		5.74		32.49
1979	-4.81		4.89	a	25.32		34.20		44.03		53.27		61.00		57.00		48.72	a	35.19		19.83		18.45		33.09
1980	7.23		14.41		20.19		32.59	a	44.00		55.10	a	62.23		58.52		-----	z	33.19		25.63		18.13	a	33.75	a
1981	20.03		15.89		24.45		38.00		44.45		53.47		62.19		57.58		48.10		36.35		24.70		12.87		36.51
1982	-1.30	a	11.04		22.47	a	29.87		43.45		50.00	b	58.19		59.19		46.20		32.42		19.28	a	13.81		32.05
1983	20.00		20.89		24.84		26.47		37.03		50.23		60.97		63.84		46.80		34.61		22.83		-7.81		33.39
1984	14.94		22.28		22.17	a	31.00	a	40.26		52.93		60.58		61.21	c	44.20		33.87		22.48	a	8.45		34.53
1985	9.35		10.50		21.97		36.07		46.84		50.33		61.00		57.13	a	46.70		34.84		7.47		8.06		32.52
1986	19.87		14.61		33.32		34.23		43.87		57.13		58.74		56.45		47.97		36.26		19.93	a	16.14	b	36.54
1987	16.90	a	22.70	a	22.45		35.70		49.37	a	54.43		61.16		57.16		43.77		30.58		26.00	a	12.52		36.06
1988	5.21	b	13.24		23.29		29.90		47.42		60.80		60.29		57.13	a	44.97		-----	z	-----	z	-----	z	38.03	c
1989	-----	z	-----	z	-----	z	30.67		40.60	a	45.93		58.63	a	56.33	a	41.57		28.68		18.60		1.71		35.86	c
1990	15.81		10.96		21.52		27.87		38.00		52.37		56.27	a	53.33	a	44.90		24.55		19.41	a	-5.38	b	29.97
1991	-2.10		14.93		21.55		32.30		45.06		55.76	a	54.67	a	55.10	b	40.52	a	24.55		13.23		11.35		30.58
1992	8.68		16.52		23.35		30.21	b	40.68		49.48	a	50.97		49.21	b	38.40		25.70	a	16.48	a	1.61		29.27
1993	-0.93	a	-1.11		19.76	b	28.32	b	40.68		48.54	b	52.97	a	50.90	a	37.50	b	24.62	b	11.80		15.30	a	27.36
1994	8.62	b	2.62	b	20.90	a	26.30	c	44.97	b	51.27		51.47	a	53.83	b	42.03	a	32.87	a	17.62	a	12.68		30.43
1995	8.83	a	13.54		18.68	c	24.71	b	40.42		50.10	a	53.93	a	55.63	a	41.28	a	28.07	c	15.70	c	7.58		29.87
1996	0.47	a	13.20	d	11.33	a	27.03	a	40.97	a	52.63	c	53.55	b	53.93	a	43.18	b	27.58		10.80		1.55		28.02
1997	4.33	a	15.30	a	18.70	a	24.24	a	37.57	a	53.73		56.77		53.86	b	43.97		29.24	b	16.37		12.43	a	30.54
1998	8.82	c	23.14		14.17	b	26.86	a	42.20	a	47.04	f	59.70	k	56.86	b	49.41	a	33.87		26.20		10.43	c	29.20	b
1999	11.47	a	23.11		23.34	b	30.76	a	41.35		51.30		56.11	d	53.54	c	39.53		28.97	a	24.75	b	15.19	d	33.28
2000	12.89	c	19.24	d	23.67	g	27.86	i	42.23	e	48.25	b	58.81	d	57.32	f	45.47	m	34.74	h	10.27	d	5.82	i	31.95	f
2001	15.64	f	9.38	d	22.04	c	30.14	i	42.42		51.08	d	61.61		55.24	f	46.38	d	31.08	e	22.22	c	12.88	g	35.78	d
2002	10.85	d	13.04	b	12.85	d	29.48	g	37.12	e	52.36	e	62.13	a	55.30	h	47.96	c	27.67	d	23.71	f	16.91	h	33.00	d
2003	11.43	h	10.71	g	20.08	e	34.63	c	42.10	b	48.20		59.62	b	60.32		41.57	b	32.63	a	17.89	b	15.75	g	39.67	c
2004	10.55		13.81	b	26.55		31.63		41.38	b	48.27		57.58		49.81		47.40		35.57	a	23.50		17.73	e	33.65
2005	9.97	a	17.82		22.73	a	34.07	b	41.07	a	55.43		57.03		55.87		47.36	b	31.56	d	20.69	a	9.56	d	33.60
2006	22.07	a	13.11	a	21.40	a	35.28	a	41.97		52.55	a	62.00		55.24	b	41.41	a	29.93	c	20.21	a	10.04	f	35.92	a
2007	9.71		7.00	a	27.93	a	29.43		44.52		54.73	d	62.94		61.03		46.33		32.65	e	20.75	b	-----	z	36.09	a
2008	-----	z	-----	z	-----	z	-----	z	39.54	c	48.40		58.11	c	50.38	b	39.70		29.13	a	24.50		6.59	d	37.04	d
2009	11.23		18.11	a	18.97		29.13		36.65		47.57	b	52.96	d	52.94	o	48.10		28.23	a	23.50		4.42		28.99	a
2010	10.07	a	4.21		20.00	a	29.24	a	40.23		49.14	a	57.10		56.97		42.52	a	36.10		18.60		12.48		31.39
2011	7.94		8.04		21.07	a	31.73		40.03		50.33		62.84		59.00	b	43.14	a	33.68		18.77		12.65		32.43
2012	11.23		12.64	a	29.84		34.77		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	22.12	h
Period of Record Statistics
MEAN	9.27		13.83		21.81		31.86		42.24		51.93		58.46		56.06		44.52		31.82		20.21		10.57		32.67
S.D.	6.11		5.88		4.43		3.59		3.00		2.93		3.50		3.13		3.40		3.40		4.44		6.11		2.27
SKEW	-0.11		-0.29		-0.35		-0.13		0.40		0.59		-0.47		-0.01		-0.09		-0.57		-0.89		-1.02		-0.35
MAX	22.07		24.28		33.32		38.87		49.94		60.80		64.68		63.84		50.83		36.35		26.20		21.00		36.54
MIN	-4.81		-1.11		9.93		24.24		36.65		45.93		50.97		49.21		37.50		24.55		7.47		-7.81		27.36
YRS	45		46		46		44		48		46		47		43		46		46		47		42		34