GRAND CANYON HDQS, AZ

Total of Snowfall (Inches)

(023591)

File last updated on May 23, 2022
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)JULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNANN
1903-04-----z-----z0.00 0.00 0.00 0.00 6.00 6.00 12.00 0.00 0.00 0.00 24.00b
1904-050.00 0.00 0.00 0.00 0.00 6.00 15.00 -----z-----z-----z-----z-----z21.00e
1905-06-----z-----z1.00 0.50 37.00 14.80 8.00 -----z-----z9.70 0.00 0.00 71.00d
1906-070.00 0.00 0.00 2.00 26.00 11.00 29.00 14.00 10.50 0.00 3.00 0.00 95.50
1907-080.00 0.00 0.00 0.00 12.80 10.50 12.00 21.00 11.00 6.90 10.00 0.00 84.20
1908-090.00 0.00 0.00 10.00 4.70 16.70 -----z-----z-----z-----z-----z0.00 31.40e
1909-100.00 -----z0.00 0.00 -----z-----z-----z-----z-----z-----z-----z-----z0.00i
1910-11-----z-----z0.00 -----z-----z-----z-----z-----z-----z-----z-----z-----z0.00k
1911-12-----z0.00 0.00 0.00 0.00 10.00 2.00 2.50 20.50 13.00 0.00 0.00 48.00a
1912-130.00 0.00 0.00 5.00 0.00 6.00 10.50 36.00 9.00 0.00 0.00 0.00 66.50
1913-140.00 0.00 0.00 0.00 3.00c15.70 21.00 11.00 0.00 4.00 0.00 0.00 54.70
1914-150.00 0.00 0.00 0.00 0.00 22.00 15.50 17.00 6.00 0.00b6.00 0.00 66.50
1915-160.00 0.00 0.00 0.00 0.00b27.50 46.50 3.50 5.00 0.00 0.00 0.00 82.50
1916-170.00 0.00 0.00 0.00 0.00 10.00 34.00 10.00 3.00 13.00 0.00 0.00 70.00
1917-180.00 0.00 0.00 0.00 0.00 0.00 18.00 10.00 0.50 0.00 0.00 0.00 28.50
1918-190.00 0.00 0.00 0.00 2.10a20.00 6.00 29.00 19.00a0.50 0.00 0.00 76.60
1919-20-----z0.00 0.00 0.00 15.00 12.00 9.70j15.50 10.20 3.20 0.00 0.00 55.90b
1920-210.00 0.00 0.00 7.00 0.00 6.50 12.50 6.00 0.00 6.00c1.00 0.00 39.00
1921-220.00 0.00 0.00 0.00 0.00 6.70 28.00 9.00 10.00 5.00 2.00 0.00 60.70
1922-230.00a0.00h0.00 4.00 12.50 1.20 7.20 19.00 14.60 4.70 0.00 0.00 63.20a
1923-240.00 0.00 0.00 0.00 0.00 25.00 2.00 0.00 28.40 1.10 0.00 0.00 56.50
1924-250.00 0.00 0.00 0.00 0.50 39.80 3.70 8.00 4.70 3.00 0.00 0.00 59.70
1925-260.00 0.00 0.00 0.00 6.00 1.00 1.50 14.60 4.50 3.50 0.00 0.00 31.10
1926-270.00 0.00 0.00 0.00 1.50 24.30 10.20 33.00 9.40 2.30 0.00 0.00 80.70
1927-280.00 0.00 0.00 0.00 0.00 23.70a4.20 18.50 0.60 5.50 0.00 0.00 52.50
1928-290.00 0.00 0.00 1.00 4.50 11.50 14.20 21.00 0.50 0.00 0.00 0.00 52.70
1929-300.00 0.00 0.00 0.00 0.00 0.00 25.30 1.50 6.20 2.00 15.20 0.00 50.20
1930-310.00 0.00 0.00 1.00 5.70 0.00 5.20 11.20 3.00 2.00 0.00 0.00 28.10
1931-320.00 0.00 0.00 0.00 22.20 20.50 21.50 23.10 7.50 1.00 11.50 0.00 107.30
1932-330.00 0.00 0.00 0.00 0.00 23.20 23.10 0.80 1.50 1.00 7.00 0.00 56.60
1933-340.00 0.00 0.00 0.00 3.00 5.50 2.50 3.00 0.00 2.00 0.00 0.00 16.00
1934-350.00 0.00 0.00 0.00 8.00 2.00g14.50 11.00 21.50 0.50g0.00 0.00 55.00b
1935-360.00 0.00 0.00 0.00 1.10 5.50 3.00 23.00 20.00 0.00 0.00 0.00 52.60
1936-370.00 0.00 0.00 0.00 3.00 25.00 30.70 5.00a13.70 5.00 0.10 0.00 82.50
1937-380.00 0.00 0.00 0.00 0.00 7.00 8.50 9.70 18.50 1.00 0.00 0.00 44.70
1938-390.00 0.00 0.00 0.00 2.00 16.50 20.50 17.50 3.00 3.00 0.00 0.00 62.50
1939-400.00 0.00 0.00 0.00 0.00 3.80 16.00 11.00 0.50 9.00 0.00 0.00 40.30
1940-410.00 0.00 0.00 0.00 4.00 15.00a28.20 12.50a2.00 5.00 0.00 0.00 66.70
1941-420.00 0.00 0.00 0.00 0.50 21.00 2.00 18.50 5.50 1.00 0.00 0.00 48.50
1942-430.00 0.00 0.00 0.00 3.50 16.50 18.80 10.00 0.00 0.00 0.00 0.00 48.80
1943-440.00 0.00a0.00 0.50 0.50 16.30 11.20 30.70 17.50 7.00 1.50 0.00 85.20
1944-450.00 0.00 0.00 0.00 11.50 4.20 15.00 9.80 29.00 7.20f0.00a0.00 69.50a
1945-460.00 0.00 0.00 0.00 0.50 14.50 18.00 5.00 13.00 6.50 0.00 0.00 57.50
1946-470.00 0.00 0.00 0.00 12.50 6.50 7.50 0.50 1.50 0.00 0.00 0.00 28.50
1947-480.00 0.00 0.00 0.00 13.50 16.50 7.50 18.00 12.90 0.00 0.00 0.00 68.40
1948-490.00 0.00 0.00 0.00 0.00 20.50a60.00 21.00 4.00 1.00 0.00 0.00 106.50
1949-500.00 0.00 0.00 5.70a2.00 15.00 14.00f11.00e8.60a0.00 4.00 0.00 46.30a
1950-510.00 0.00 0.00 0.00 0.00 1.50 14.00 13.00a15.00 6.00 0.00 0.00 49.50
1951-520.00 0.00 0.00 0.00 8.50 15.50b27.50 9.00 43.50 3.00 0.00a0.00 107.00
1952-530.00 0.00 0.00 0.00 16.50 15.00 6.00 2.00 6.00 3.00 0.00 0.00 48.50
1953-540.00 0.00 0.00 2.00 8.50 4.00 14.50 10.00 29.00 0.00 1.00 0.00 69.00
1954-550.00 0.00e0.00 0.00 0.00 4.50 20.00 13.00 5.00 0.00 0.00 0.00e42.50
1955-560.00 0.00 0.00 0.00a10.00 6.00 10.00 10.00 0.00 2.50 0.00 0.00 38.50
1956-570.00 0.00 0.00 6.00 0.00 12.50 42.50b0.00 6.00 1.00 19.00 0.00 87.00
1957-580.00 0.00v-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00k
Period of Record Statistics
MEAN0.00 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
SKEW0.00 0.00 7.14 2.76 2.14 0.59 1.39 0.73 1.39 1.34 2.88 0.00 0.34
MAX0.00 0.00 1.00 10.00 37.00 39.80 60.00 36.00 43.50 13.00 19.00 0.00 107.30
MIN0.00 0.00 0.00 0.00 0.00 0.00 1.50 0.00 0.00 0.00 0.00 0.00 16.00
YRS50 49 54 53 52 51 49 49 49 48 50 51 42