SAINT HELENS RFD, OR

Maximum of Maximum Temperature (Degrees Fahrenheit)

(357466)

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
1976	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	84.00	b	88.00		81.00		68.00		57.00		-----	z
1977	54.00	b	69.00		62.00		80.00		76.00		91.00		92.00		104.00		84.00		75.00		61.00		59.00		104.00	b
1978	58.00		-----	z	72.00	a	73.00		84.00	a	92.00		98.00	a	102.00	a	79.00		81.00		64.00		51.00		-----	z
1979	51.00		56.00	a	75.00	a	81.00	c	87.00		91.00		103.00		89.00		-----	z	-----	z	67.00		56.00		-----	z
1980	53.00	a	60.00	a	67.00	f	82.00	c	78.00	c	84.00	h	99.00	f	95.00	b	90.00	a	89.00	e	69.00	a	62.00	c	-----	z
1981	59.00	e	66.00	d	69.00	c	82.00	a	84.00		84.00	c	92.00	f	107.00	h	99.00	a	75.00	c	65.00	g	56.00	f	-----	z
1982	62.00	c	62.00	c	68.00	a	79.00	c	84.00	e	100.00	d	89.00	c	98.00	b	92.00	b	76.00		65.00	a	56.00	f	-----	z
1983	56.00	h	61.00	b	68.00	e	80.00	b	102.00	a	86.00	c	94.00	a	90.00	c	82.00	a	70.00	b	62.00	c	52.00	b	-----	z
1984	60.00	d	60.00	b	68.00	e	82.00	b	88.00	g	88.00	c	96.00	b	99.00	e	84.00	d	82.00	a	61.00		51.00	a	-----	z
1985	53.00	b	61.00	a	68.00	a	79.00	a	87.00	d	97.00	b	100.00	c	94.00	f	83.00	e	77.00	b	62.00	e	50.00	e	-----	z
1986	59.00	b	69.00	b	71.00	b	79.00	f	91.00	d	95.00	d	88.00	e	100.00	c	-----	z	76.00	e	65.00	a	52.00	c	-----	z
1987	51.00	e	62.00	i	77.00	c	87.00	d	93.00	a	94.00	c	92.00	d	103.00	d	100.00	b	94.00	d	71.00	c	58.00	b	-----	z
1988	55.00	c	69.00	i	70.00	e	82.00	e	92.00	d	93.00	f	101.00	c	100.00	f	106.00	e	91.00	g	64.00	e	60.00	c	-----	z
1989	56.00	b	55.00	d	63.00	d	82.00	f	79.00	e	96.00	e	89.00	d	89.00	d	96.00	f	79.00	b	64.00	f	59.00	e	-----	z
1990	57.00	b	67.00	a	73.00		82.00	e	89.00	c	97.00	a	100.00	c	100.00	d	95.00	g	72.00	f	70.00		53.00	b	-----	z
1991	60.00	a	71.00	a	71.00	b	80.00	c	78.00	c	84.00	g	103.00	d	92.00	c	97.00	d	86.00	f	62.00	e	55.00	b	-----	z
1992	59.00	c	71.00	j	74.00	d	80.00	d	97.00	e	100.00	e	103.00	c	102.00	e	86.00	h	78.00	d	64.00	e	54.00	c	-----	z
1993	56.00	d	61.00	d	76.00	e	66.00	d	89.00	c	86.00	c	87.00	c	99.00	b	94.00	b	86.00	b	62.00	c	65.00	c	-----	z
1994	57.00	j	59.00	d	82.00	e	78.00	b	92.00	d	88.00	f	104.00	a	95.00	a	95.00	c	76.00	c	59.00	b	60.00	c	-----	z
1995	63.00	b	66.00		74.00	e	89.00	b	90.00	b	98.00	b	101.00	f	94.00	g	94.00	d	74.00	g	69.00	e	60.00	f	-----	z
1996	55.00	b	68.00	d	74.00		84.00	a	84.00	b	93.00	f	104.00	a	100.00	d	88.00	a	84.00	c	63.00	b	60.00	c	-----	z
1997	59.00	a	68.00	b	73.00	c	74.00	d	95.00	c	84.00	g	91.00	g	97.00	c	90.00	o	74.00	g	70.00	c	54.00	c	-----	z
1998	62.00	b	63.00	c	73.00	d	98.00	b	86.00	h	92.00	c	101.00	h	102.00	d	97.00	h	77.00	h	62.00	g	61.00	g	-----	z
1999	56.00	c	56.00	a	72.00	b	83.00	d	94.00	c	89.00	e	94.00	e	100.00	e	100.00	i	82.00	e	64.00	f	57.00	c	-----	z
2000	54.00	a	62.00	d	75.00	d	81.00	d	82.00	d	102.00	d	96.00	d	97.00	d	90.00	b	78.00	i	62.00	d	53.00	c	-----	z
2001	56.00	b	64.00	b	75.00	a	85.00	c	98.00	i	94.00	d	95.00	f	103.00	c	89.00	g	82.00	f	71.00	h	54.00	h	-----	z
2002	52.00	k	66.00	i	67.00	m	81.00	b	85.00	d	104.00	d	104.00	g	105.00	g	93.00	j	80.00	i	66.00	b	59.00	d	-----	z
2003	61.00	e	60.00	b	71.00	g	74.00		92.00	c	102.00	b	102.00	c	98.00	f	98.00	f	82.00	h	62.00	p	55.00	d	-----	z
2004	55.00	m	62.00	l	80.00	d	90.00	a	87.00	g	96.00	d	106.00	g	103.00	d	85.00	h	80.00	f	59.00	j	60.00	h	-----	z
2005	63.00	j	68.00	g	78.00	c	78.00	h	100.00	d	86.00	e	95.00	d	99.00	e	88.00	j	71.00	l	59.00		55.00	c	-----	z
2006	58.00	e	58.00	e	64.00	c	87.00	b	-----	z	99.00	j	105.00	a	94.00		97.00	b	77.00	g	61.00	c	50.00	b	-----	z
2007	53.00	f	60.00	e	70.00	a	79.00	g	91.00		87.00	b	96.00	a	89.00	a	88.00	b	88.00	a	65.00		60.00		-----	z
2008	54.00		63.00		62.00		80.00		96.00	d	99.00	d	90.00	g	99.00		92.00		77.00	w	59.00	c	51.00	a	-----	z
2009	56.00		58.00	a	58.00	a	76.00	b	85.00	a	83.00	b	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
2010	-----	z	-----	z	-----	z	72.00	a	75.00	a	81.00	e	95.00	e	97.00	e	86.00		78.00	a	72.00		54.00		-----	z
2011	56.00		56.00	c	57.00		69.00	a	72.00	c	83.00	b	85.00	b	91.00	f	90.00	f	64.00	c	56.00	b	53.00	e	-----	z
2012	59.00	d	57.00	e	64.00	d	72.00	d	83.00	e	80.00	i	83.00	h	96.00	i	92.00	k	80.00	g	63.00	b	54.00	d	-----	z
2013	51.00	e	55.00	f	73.00	e	76.00	e	83.00	f	86.00	m	88.00	m	88.00	l	80.00	k	69.00	p	59.00	d	54.00	d	-----	z
2014	53.00	i	54.00	h	61.00	l	69.00	j	81.00	p	76.00	q	89.00	s	98.00	n	92.00		73.00	u	59.00	h	58.00	j	-----	z
2015	58.00	g	62.00	k	68.00	p	77.00	g	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z
Period of Record Statistics
MEAN	56.77		62.00		70.58		80.12		87.29		92.61		96.44		97.18		90.91		79.55		64.00		55.58		104.00
S.D.	3.33		4.54		5.94		6.32		7.41		6.53		5.97		5.22		6.62		6.77		4.07		3.82		0.0
SKEW	-0.03		0.32		-0.49		0.25		-0.10		-0.07		-0.26		-0.83		0.26		-0.02		0.26		0.48		0.00
MAX	63.00		71.00		82.00		98.00		102.00		104.00		105.00		104.00		106.00		94.00		72.00		65.00		104.00
MIN	51.00		55.00		57.00		66.00		72.00		81.00		85.00		84.00		79.00		64.00		56.00		50.00		104.00
YRS	30		28		33		33		31		28		25		28		22		20		30		31		1