ELTOPIA 7 WNW, WASHINGTON

Monthly Total Heating Degree Days

(452540)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197312
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.
Months with 5 missing days or less use mean for missing day(s)
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
1954	0.00	z	0.00	z	0.00	z	0.00	z	162.50		112.50		8.50		15.00		98.50		460.00		591.00		988.00		2436.00
1955	1093.78	a	831.50		800.00		562.50		304.00		54.50		37.50		3.00		152.50		432.00		1039.50		1161.00		6471.78
1956	1085.50		1171.50		693.00		302.50		133.00		85.00		0.00		19.00		86.50		477.50		881.00		978.00		5912.50
1957	1517.00		863.50		673.50		380.50		95.00		43.00		6.72	a	10.50		55.50		505.50		743.00		780.50		5674.22
1958	0.00	z	0.00	z	177.00	u	460.50		77.00		14.50		0.00	c	3.74	b	85.86	a	299.27	e	751.67	c	916.00		2608.54
1959	994.50		800.00		627.00		381.00		280.50		71.00		12.50	r	18.00		144.50		425.00		837.00		698.00	i	4578.50
1960	1326.50		815.50		629.30	a	402.00		274.00		38.00		0.00		53.50		73.50		358.50		465.50	k	1129.50		5100.30
1961	940.00		589.50		603.50		440.00		193.50		8.50	h	0.00		0.00	a	127.78	c	463.50		914.50		981.50		5253.78
1962	1087.58	a	790.72	c	732.93	c	309.23	d	322.29	b	79.50		26.50		18.50		78.50		0.00	z	0.00	z	0.00	z	3445.76
1963	0.00	z	748.50		0.00	z	69.00	x	242.32	a	88.00		15.00		9.00		48.50		356.50	c	655.50		1076.50		3239.82
1964	905.00		779.38	a	713.00	b	498.00		282.00		70.50		13.50		56.00		149.00		422.50		792.50		1153.00		5834.38
1965	1006.50		699.50		721.00		365.00		275.00		54.00		22.00		27.50		157.00		296.00		653.00		990.50		5267.00
1966	951.00		739.50		646.00		425.00		217.50		106.00		30.00		22.50		54.00		400.50		670.50		844.23	a	5106.73
1967	778.50		625.50		672.50		549.00		249.50		39.50		0.50		0.00		43.00		373.50		728.00		971.00		5030.50
1968	914.00		693.00		555.00		476.00		207.70	a	52.50		9.09	b	22.39	d	99.00		488.25	a	727.50		1080.00		5324.42
1969	1409.00		975.00		653.67	b	455.00		145.00		35.50		8.00		40.30	a	116.00		528.00		742.76	a	956.87	a	6065.10
1970	1040.50		708.00		659.50		531.50		225.00		80.00		5.50		5.00		214.00		490.50		760.50		1028.50		5748.50
1971	875.00		755.00		754.50		508.00		197.76	b	158.00		56.83	a	22.00		226.03	a	479.98	a	745.86	a	1042.00		5820.97
1972	1071.16	c	906.81	c	582.50		535.00		172.50		59.50		14.00		12.83	b	236.90	a	453.50		751.00		1199.59	c	5995.28
1973	1077.00		773.00		602.50		426.00		221.13	a	108.00		19.50		44.50		102.12	d	403.00	a	759.00		829.00		5364.75


Period of Record Statistics
MEAN	1063.09		792.52		665.85		444.82		213.86		71.03		14.38		20.16		117.43		427.03		763.54		1005.87		5662.78
S.D.	193.18		132.54		64.72		78.33		67.97		34.06		15.04		16.82		58.27		66.65		104.42		116.98		420.32
SKEW	1.01		1.21		0.27		-0.24		-0.38		0.72		1.32		0.84		0.71		-0.54		0.95		-0.20		0.12
MAX	1517.00		1171.50		800.00		562.50		322.29		158.00		56.83		56.00		236.90		528.00		1039.50		1199.59		6471.78
MIN	778.50		589.50		555.00		302.50		77.00		14.50		0.00		0.00		43.00		296.00		591.00		780.50		5030.50
NO YRS	17		18		17		18		20		19		19		20		20		19		18		18		13