CHATHAM, MA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(191386)

File last updated on April 20, 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
1972	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	52.00		49.00		32.00		27.00		15.00		-----	z
1973	10.00		12.00		27.00		31.00		40.00		49.00		52.00		56.00		46.00		41.00		29.00		18.00		10.00
1974	13.00		15.00		18.00		31.00		38.00		45.00		55.00		58.00		45.00		32.00		23.00		21.00		13.00
1975	16.00		9.00		19.00		29.00		40.00		45.00		57.00		52.00		47.00		35.00		34.00		12.00		9.00
1976	-3.00		12.00		18.00	a	25.00		41.00		46.00		55.00		47.00		48.00		33.00		21.00		9.00		-3.00	a
1977	2.00		11.00		24.00		27.00		39.00		45.00		55.00		54.00		47.00		41.00		26.00		10.00		2.00
1978	10.00		10.00		15.00		29.00		34.00		47.00		51.00		58.00		43.00		35.00		23.00		19.00		10.00
1979	12.00		1.00		18.00		31.00		43.00		51.00		51.00		54.00		41.00		36.00	a	29.00		15.00		1.00	a
1980	15.00		11.00		7.00		34.00		41.00		45.00		55.00		59.00		44.00		36.00		28.00		-0.00		-0.00
1981	-2.00		11.00		20.00		31.00		40.00		49.00		57.00		52.00		43.00		38.00		28.00		16.00		-2.00
1982	-2.00		14.00		19.00		19.00		41.00		44.00		55.00		49.00		49.00		36.00		23.00	f	14.00		-2.00	f
1983	7.00	a	18.00	a	25.00		32.00		40.00		49.00		57.00		54.00		50.00	a	35.00		33.00	d	4.00		4.00	g
1984	9.00		17.00		14.00		25.00		41.00		49.00		53.00		58.00		46.00		35.00		28.00		21.00		9.00
1985	7.00	d	9.00	a	20.00	a	-----	z	38.00		46.00		51.00		54.00		48.00		37.00		30.00		14.00		-----	z
1986	6.00	a	16.00		8.00		34.00		-----	z	47.00	b	55.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
1987	13.00		6.00		18.00		32.00		40.00		50.00		54.00		-----	z	47.00		39.00	c	-----	z	8.00		-----	z
1988	4.00		13.00		18.00		35.00	a	38.00		44.00		51.00		53.00		45.00		31.00		31.00		12.00	a	4.00	b
1989	9.00		13.00		15.00		31.00		-----	z	53.00		56.00		53.00		43.00		38.00		19.00		6.00		-----	z
1990	20.00		12.00		20.00		31.00		42.00		47.00		55.00		58.00		45.00		36.00		27.00		22.00	a	12.00	a
1991	11.00		13.00		26.00		35.00		40.00	a	46.00		-----	z	56.00		44.00		36.00		28.00	a	17.00	b	-----	z
1992	-----	z	10.00		10.00		31.00		39.00		47.00		53.00		-----	z	40.00		38.00		-----	z	13.00		-----	z
1993	16.00		12.00		15.00		30.00		42.00		49.00		56.00		57.00		46.00		37.00		24.00		8.00		8.00
1994	-1.00		10.00		20.00	a	35.00		41.00		49.00		55.00		55.00		49.00	a	40.00		25.00	c	15.00	a	-1.00	f
1995	-----	z	3.00	e	-----	z	-----	z	33.00	b	51.00	a	57.00	a	58.00	a	47.00	e	39.00	a	27.00	d	15.00	b	-----	z
1996	7.00	b	7.00	c	13.00	c	29.00	a	35.00	a	47.00		53.00	a	56.00	b	47.00		40.00	a	27.00	a	23.00	b	7.00	q
1997	7.00	a	19.00	a	21.00	c	27.00	c	42.00		44.00	b	59.00	b	57.00	a	44.00	c	32.00	a	27.00		20.00	a	7.00	r
1998	14.00	a	15.00	b	15.00	a	33.00	a	37.00		49.00		56.00	b	55.00	b	47.00		42.00	c	34.00	a	13.00	b	13.00	o
1999	6.00	a	16.00	c	-----	z	33.00		39.00		52.00		57.00	c	56.00		51.00	c	38.00	b	31.00	c	19.00		-----	z
2000	2.00	b	17.00	b	25.00	a	36.00	c	39.00	c	47.00	b	55.00	b	57.00		-----	z	34.00	b	23.00	a	-----	z	-----	z
2001	19.00	c	26.00	w	22.00	q	33.00	a	38.00	a	49.00	a	55.00	c	56.00	a	49.00	a	37.00	b	31.00	a	25.00		-----	z
2002	21.00		17.00	b	21.00	a	-----	z	39.00		49.00	a	58.00	a	58.00		51.00	f	37.00	b	24.00		19.00	a	-----	z
2003	6.00	a	10.00		11.00	a	28.00	a	41.00		46.00		58.00		58.00		51.00		34.00	a	30.00		20.00	a	6.00	e
2004	-6.00	a	15.00	a	20.00		29.00		43.00		48.00		54.00		54.00		-----	z	39.00	c	30.00	a	10.00	e	-----	z
2005	9.00	a	16.00		10.00		32.00		40.00		46.00	a	56.00		61.00		49.00		36.00		24.00		22.00		9.00	b
2006	14.00		11.00		18.00		32.00		42.00		51.00	a	58.00		57.00		48.00		40.00		33.00		22.00		11.00	a
2007	7.00		11.00		10.00		29.00		39.00		49.00		56.00		54.00	a	50.00		39.00	a	26.00		20.00		7.00	b
2008	12.00	a	12.00		18.00		32.00		38.00		52.00		61.00		57.00		55.00	a	34.00	i	21.00		17.00		12.00	k
2009	7.00		10.00	a	17.00		32.00	m	44.00	d	47.00	d	54.00		57.00		51.00		39.00		35.00		13.00		7.00	v
2010	8.00		19.00		27.00	a	36.00		37.00		51.00	a	58.00		58.00		51.00		39.00		30.00		18.00		8.00	b
2011	5.00		15.00		16.00		32.00		42.00		46.00		58.00		59.00		50.00		35.00		34.00		22.00		5.00
2012	12.00		17.00		23.00		32.00		42.00		48.00	o	58.00		59.00	a	51.00		38.00		30.00		21.00		12.00	p
2013	7.00	a	17.00		22.00		30.00		40.00	b	51.00		58.00		57.00		46.00		38.00	j	20.00		17.00		7.00	m
2014	8.00		11.00		11.00		32.00		41.00		49.00		56.00		52.00		50.00		39.00		25.00		21.00		8.00
2015	5.00		-0.00		16.00	b	31.00		39.00		47.00		56.00		60.00		54.00		37.00		30.00		30.00		-0.00	b
2016	18.00		-4.00		24.00		27.00		42.00		53.00		57.00		60.00		50.00		40.00		32.00		9.00		-4.00
2017	14.00		12.00		12.00		35.00		39.00		48.00		57.00		56.00		51.00		45.00		27.00		7.00		7.00
2018	4.00	b	12.00		21.00	h	31.00	b	41.00		48.00		56.00	a	60.00		52.00		34.00		18.00		22.00		4.00	m
2019	5.00		5.00		15.00		31.00		40.00		49.00		57.00	b	56.00		50.00		43.00		21.00		15.00	a	5.00	c
2020	10.00		17.00		23.00		33.00		35.00		45.00	b	55.00		59.00		50.00		35.00		26.00		23.00		10.00	b
2021	12.00	a	16.00		16.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	8.62		11.90		17.73		30.93		39.67		48.00		55.57		56.00		47.76		37.13		27.31		16.00		5.79
S.D.	6.06		4.94		5.10		3.24		2.34		2.41		2.22		2.93		3.27		3.02		4.28		6.06		4.94
SKEW	-0.18		-1.12		-0.12		-1.20		-0.85		0.23		-0.34		-0.84		-0.23		0.16		-0.24		-0.38		-0.57
MAX	21.00		19.00		27.00		36.00		44.00		53.00		61.00		61.00		55.00		45.00		35.00		30.00		13.00
MIN	-6.00		-4.00		7.00		19.00		33.00		44.00		51.00		47.00		40.00		31.00		18.00		-0.00		-4.00
YRS	47		48		45		44		46		47		47		46		45		46		45		47		24