ALAMO DAM 6 ESE, ARIZONA

Monthly Total Heating Degree Days

(020099)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 197409
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
1962	0.00	z	168.50	q	302.00		0.00	3.50		0.00		0.00		0.00		0.00		6.00		115.00		381.50		808.00
1963	543.50		139.50		225.00		99.50	0.00		0.00		0.00		0.00		0.00		1.50		190.00		516.50		1715.50
1964	591.50		459.00		277.45	a	75.00	12.50		0.00		0.00		0.00		0.00		1.00		324.00		426.50		2166.95
1965	397.50		292.00		223.00		114.50	6.00		0.00		0.00		0.00		0.00		10.00		155.00		459.50		1657.50
1966	555.00		416.00		130.00		17.00	0.00		0.00		0.00		0.00		0.00		24.00		185.50		493.00		1820.50
1967	532.50		298.00		147.52	b	123.00	10.00		0.00		0.00		0.00		0.00		5.50		128.79	a	590.00		1835.31
1968	509.00		188.50		160.00		69.50	1.50		0.00		0.00		0.00		0.00		0.50		209.50		622.00		1760.50
1969	381.50		373.50		281.50		11.00	0.00	z	0.00	z	0.00	z	0.00	z	0.00	z	0.00	z	0.00	z	381.50		1429.00
1970	512.50		195.50		183.00		98.00	1.00		0.00		0.00		0.00		0.00	g	68.00		231.50		558.00		1847.50
1971	536.50		363.00		250.00		103.00	40.00		0.50		0.00		0.00		6.00		241.00		441.50		662.00		2643.50
1972	573.50		293.00		56.00		43.50	4.50		0.00		0.00		0.00		0.00		82.50		347.00		551.00		1951.00
1973	581.00		332.50		389.00		120.50	5.00		0.00		0.00		0.00		0.00		11.00		255.50		421.00		2115.50
1974	501.00		375.50		142.00		40.00	2.50		0.00		0.00		0.00		0.00		0.00	z	0.00	z	0.00	z	1061.00


Period of Record Statistics
MEAN	517.92		310.50		212.81		70.35	7.21		0.04		0.00		0.00		0.55		41.00		234.84		505.21		1962.92
S.D.	66.45		96.66		88.47		43.68	11.02		0.14		0.00		0.00		1.81		72.03		100.37		93.69		308.28
SKEW	-1.10		-0.34		0.20		-0.33	2.42		3.02		0.00		0.00		2.85		2.17		0.76		0.15		1.22
MAX	591.50		459.00		389.00		123.00	40.00		0.50		0.00		0.00		6.00		241.00		441.50		662.00		2643.50
MIN	381.50		139.50		56.00		0.00	0.00		0.00		0.00		0.00		0.00		0.50		115.00		381.50		1657.50
NO YRS	12		12		13		13	12		12		12		12		11		11		11		12		9