GRAND CANYON HDQS, AZ

Total of Snowfall (Inches)

(023591)

File last updated on April 18, 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)	JUL		AUG		SEP		OCT		NOV		DEC		JAN		FEB		MAR		APR		MAY		JUN		ANN
1903-04	-----	z	-----	z	0.00		0.00		0.00		0.00		6.00		6.00		12.00		0.00		0.00		0.00		24.00	b
1904-05	0.00		0.00		0.00		0.00		0.00		6.00		15.00		-----	z	-----	z	-----	z	-----	z	-----	z	21.00	e
1905-06	-----	z	-----	z	1.00		0.50		37.00		14.80		8.00		-----	z	-----	z	9.70		0.00		0.00		71.00	d
1906-07	0.00		0.00		0.00		2.00		26.00		11.00		29.00		14.00		10.50		0.00		3.00		0.00		95.50
1907-08	0.00		0.00		0.00		0.00		12.80		10.50		12.00		21.00		11.00		6.90		10.00		0.00		84.20
1908-09	0.00		0.00		0.00		10.00		4.70		16.70		-----	z	-----	z	-----	z	-----	z	-----	z	0.00		31.40	e
1909-10	0.00		-----	z	0.00		0.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	i
1910-11	-----	z	-----	z	0.00		-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	k
1911-12	-----	z	0.00		0.00		0.00		0.00		10.00		2.00		2.50		20.50		13.00		0.00		0.00		48.00	a
1912-13	0.00		0.00		0.00		5.00		0.00		6.00		10.50		36.00		9.00		0.00		0.00		0.00		66.50
1913-14	0.00		0.00		0.00		0.00		3.00	c	15.70		21.00		11.00		0.00		4.00		0.00		0.00		54.70
1914-15	0.00		0.00		0.00		0.00		0.00		22.00		15.50		17.00		6.00		0.00	b	6.00		0.00		66.50
1915-16	0.00		0.00		0.00		0.00		0.00	b	27.50		46.50		3.50		5.00		0.00		0.00		0.00		82.50
1916-17	0.00		0.00		0.00		0.00		0.00		10.00		34.00		10.00		3.00		13.00		0.00		0.00		70.00
1917-18	0.00		0.00		0.00		0.00		0.00		0.00		18.00		10.00		0.50		0.00		0.00		0.00		28.50
1918-19	0.00		0.00		0.00		0.00		2.10	a	20.00		6.00		29.00		19.00	a	0.50		0.00		0.00		76.60
1919-20	-----	z	0.00		0.00		0.00		15.00		12.00		9.70	j	15.50		10.20		3.20		0.00		0.00		55.90	b
1920-21	0.00		0.00		0.00		7.00		0.00		6.50		12.50		6.00		0.00		6.00	c	1.00		0.00		39.00
1921-22	0.00		0.00		0.00		0.00		0.00		6.70		28.00		9.00		10.00		5.00		2.00		0.00		60.70
1922-23	0.00	a	0.00	h	0.00		4.00		12.50		1.20		7.20		19.00		14.60		4.70		0.00		0.00		63.20	a
1923-24	0.00		0.00		0.00		0.00		0.00		25.00		2.00		0.00		28.40		1.10		0.00		0.00		56.50
1924-25	0.00		0.00		0.00		0.00		0.50		39.80		3.70		8.00		4.70		3.00		0.00		0.00		59.70
1925-26	0.00		0.00		0.00		0.00		6.00		1.00		1.50		14.60		4.50		3.50		0.00		0.00		31.10
1926-27	0.00		0.00		0.00		0.00		1.50		24.30		10.20		33.00		9.40		2.30		0.00		0.00		80.70
1927-28	0.00		0.00		0.00		0.00		0.00		23.70	a	4.20		18.50		0.60		5.50		0.00		0.00		52.50
1928-29	0.00		0.00		0.00		1.00		4.50		11.50		14.20		21.00		0.50		0.00		0.00		0.00		52.70
1929-30	0.00		0.00		0.00		0.00		0.00		0.00		25.30		1.50		6.20		2.00		15.20		0.00		50.20
1930-31	0.00		0.00		0.00		1.00		5.70		0.00		5.20		11.20		3.00		2.00		0.00		0.00		28.10
1931-32	0.00		0.00		0.00		0.00		22.20		20.50		21.50		23.10		7.50		1.00		11.50		0.00		107.30
1932-33	0.00		0.00		0.00		0.00		0.00		23.20		23.10		0.80		1.50		1.00		7.00		0.00		56.60
1933-34	0.00		0.00		0.00		0.00		3.00		5.50		2.50		3.00		0.00		2.00		0.00		0.00		16.00
1934-35	0.00		0.00		0.00		0.00		8.00		2.00	g	14.50		11.00		21.50		0.50	g	0.00		0.00		55.00	b
1935-36	0.00		0.00		0.00		0.00		1.10		5.50		3.00		23.00		20.00		0.00		0.00		0.00		52.60
1936-37	0.00		0.00		0.00		0.00		3.00		25.00		30.70		5.00	a	13.70		5.00		0.10		0.00		82.50
1937-38	0.00		0.00		0.00		0.00		0.00		7.00		8.50		9.70		18.50		1.00		0.00		0.00		44.70
1938-39	0.00		0.00		0.00		0.00		2.00		16.50		20.50		17.50		3.00		3.00		0.00		0.00		62.50
1939-40	0.00		0.00		0.00		0.00		0.00		3.80		16.00		11.00		0.50		9.00		0.00		0.00		40.30
1940-41	0.00		0.00		0.00		0.00		4.00		15.00	a	28.20		12.50	a	2.00		5.00		0.00		0.00		66.70
1941-42	0.00		0.00		0.00		0.00		0.50		21.00		2.00		18.50		5.50		1.00		0.00		0.00		48.50
1942-43	0.00		0.00		0.00		0.00		3.50		16.50		18.80		10.00		0.00		0.00		0.00		0.00		48.80
1943-44	0.00		0.00	a	0.00		0.50		0.50		16.30		11.20		30.70		17.50		7.00		1.50		0.00		85.20
1944-45	0.00		0.00		0.00		0.00		11.50		4.20		15.00		9.80		29.00		7.20	f	0.00	a	0.00		69.50	a
1945-46	0.00		0.00		0.00		0.00		0.50		14.50		18.00		5.00		13.00		6.50		0.00		0.00		57.50
1946-47	0.00		0.00		0.00		0.00		12.50		6.50		7.50		0.50		1.50		0.00		0.00		0.00		28.50
1947-48	0.00		0.00		0.00		0.00		13.50		16.50		7.50		18.00		12.90		0.00		0.00		0.00		68.40
1948-49	0.00		0.00		0.00		0.00		0.00		20.50	a	60.00		21.00		4.00		1.00		0.00		0.00		106.50
1949-50	0.00		0.00		0.00		5.70	a	2.00		15.00		14.00	f	11.00	e	8.60	a	0.00		4.00		0.00		46.30	a
1950-51	0.00		0.00		0.00		0.00		0.00		1.50		14.00		13.00	a	15.00		6.00		0.00		0.00		49.50
1951-52	0.00		0.00		0.00		0.00		8.50		15.50	b	27.50		9.00		43.50		3.00		0.00	a	0.00		107.00
1952-53	0.00		0.00		0.00		0.00		16.50		15.00		6.00		2.00		6.00		3.00		0.00		0.00		48.50
1953-54	0.00		0.00		0.00		2.00		8.50		4.00		14.50		10.00		29.00		0.00		1.00		0.00		69.00
1954-55	0.00		0.00	e	0.00		0.00		0.00		4.50		20.00		13.00		5.00		0.00		0.00		0.00	e	42.50
1955-56	0.00		0.00		0.00		0.00	a	10.00		6.00		10.00		10.00		0.00		2.50		0.00		0.00		38.50
1956-57	0.00		0.00		0.00		6.00		0.00		12.50		42.50	b	0.00		6.00		1.00		19.00		0.00		87.00
1957-58	0.00		0.00	v	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	-----	z	0.00	k
Period of Record Statistics
MEAN	0.00		0.00		0.02		0.84		5.05		12.43		15.93		12.56		9.66		2.99		1.63		0.00		60.73
S.D.	0.00		0.00		0.14		2.11		7.66		8.72		12.34		8.68		9.42		3.35		4.07		0.00		22.26
SKEW	0.00		0.00		7.14		2.76		2.14		0.59		1.39		0.73		1.39		1.34		2.88		0.00		0.34
MAX	0.00		0.00		1.00		10.00		37.00		39.80		60.00		36.00		43.50		13.00		19.00		0.00		107.30
MIN	0.00		0.00		0.00		0.00		0.00		0.00		1.50		0.00		0.00		0.00		0.00		0.00		16.00
YRS	50		49		54		53		52		51		49		49		49		48		50		51		42