COLVILLE AIRPORT, WA

Total of Snowfall (Inches)

(451650)

File last updated on March 29, 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)JULAUGSEPOCTNOVDECJANFEBMARAPRMAYJUNANN
1936-37-----z-----z-----z-----z-----z-----z-----z-----z-----z1.00 -----z0.00 1.00j
1937-38-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00 0.00 0.00j
1938-39-----z-----z-----z0.00 -----z-----z-----z-----z-----z-----z-----z-----z0.00k
1939-40-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1940-41-----z-----z-----z0.00 10.80 7.00 -----z1.80 -----z-----z-----z-----z19.60h
1941-42-----z-----z-----z-----z-----z6.00 1.10a4.70 0.10 -----z-----z-----z11.90h
1942-43-----z-----z-----z-----z9.00 -----z9.00 0.00b0.30 0.00 0.00 0.00 18.30e
1943-440.00 0.00 0.00 0.00 0.00 6.00 12.80 -----z0.00 0.00 0.00 0.00 18.80a
1944-450.00 0.00 0.00 0.00 4.40 5.50 15.10 7.70 4.90 2.50 0.00 0.00 40.10
1945-460.00 0.00 0.00 3.20 8.00 8.00 12.10 8.60 1.50 0.00 0.00 0.00 41.40
1946-470.00 0.00 0.00 0.00 -----z7.50 11.00 0.00 0.00 0.00 0.00 -----z18.50b
1947-480.00 0.00 0.00 0.00 1.00 13.40 7.70 10.60 1.00 0.50 0.00 0.00 34.20
1948-49-----z0.00 0.00 0.00 0.00 0.00n8.50 -----z3.00 0.00 0.00 0.00 11.50c
1949-500.00 0.00 0.00 0.00 -----z-----z0.00s0.00i0.00 -----z0.00 0.00 0.00e
1950-510.00 0.00 0.00 0.00 0.00g0.00p4.00m-----z8.50 0.00 -----z-----z8.50f
1951-520.00 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00k
1952-53-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1953-54-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1954-55-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1955-56-----z-----z-----z-----z-----z-----z-----z-----z-----z0.20 -----z-----z0.20k
1956-57-----z-----z-----z-----z1.00a6.20 18.50g12.50 4.80 0.00 0.00 0.00 24.50e
1957-580.00 0.00 0.00 3.00 3.00 8.20 7.80 0.00 0.00 0.00 0.00 0.00 22.00
1958-590.00 0.00 0.00 0.00 12.30a-----z15.00 11.10a0.00 0.00 0.00 0.00 38.40a
1959-600.00 0.00 0.00 0.00 15.10 7.50d14.60 4.60 3.40 0.00 0.00 0.00 45.20
1960-610.00 0.00 0.00 0.00 4.00 8.20 0.00f5.90 4.60 0.00 0.00 0.00 22.70a
1961-620.00 0.00 0.00 0.00 11.90 27.90 20.70 2.70 5.20 0.00 0.00 0.00 68.40
1962-630.00 0.00 0.00 0.00 1.10 1.20 2.30 8.20 0.00 0.00 0.00 0.00 12.80
1963-640.00 0.00 0.00 0.00 4.10 17.10 23.50 1.90 5.70 0.00 0.00 0.00 52.30
1964-650.00 0.00 0.00 0.00 7.60 30.70 21.80 1.60 0.70 0.00 0.00 0.00 62.40
1965-660.00 0.00 0.00 0.00 7.60 19.00 16.80 2.50 0.40 0.00 0.00 0.00 46.30
1966-670.00 0.00 0.00 0.00 1.00 2.90 8.90 3.10 2.40 0.00 0.00 0.00 18.30
1967-680.00 0.00 0.00 0.00 7.30 16.60 19.90 1.00 0.00 0.00 0.00 0.00 44.80
1968-690.00 0.00 0.00 0.00 3.80 24.00 33.50 6.50 1.00 0.00 0.00 0.00 68.80
1969-700.00 0.00 0.00 0.00 0.00 7.10 24.60 0.40 1.00 2.80 0.00 0.00 35.90
1970-710.00 0.00 0.00 0.00 8.30 29.60 14.50 9.60 6.90 0.00 0.00 0.00 68.90
1971-720.00 0.00 0.00 2.00 3.80 28.40 10.70 2.70 4.00 0.00 0.00 0.00 51.60
1972-730.00 0.00 0.00 3.00 2.30 11.50 10.20 2.70 0.00 0.10 0.00 0.00 29.80
1973-740.00 0.00 0.00 0.00 24.20 8.60 11.10 10.10 2.50 0.00 0.00a0.00 56.50
1974-750.00 0.00 0.00 0.00 2.10 22.80 17.50 15.00 5.70 0.00 0.00 0.00 63.10
1975-760.00 0.00 0.00 0.00 9.20 7.30 16.70 8.00 1.30 0.00a0.00 0.00 42.50
1976-770.00 0.00 0.00 0.00 0.00 8.00 6.40 3.00 4.00 0.00 0.00 0.00 21.40
1977-780.00 0.00 0.00 0.00 9.50 24.20 17.70 13.70 0.00 0.00 0.00 0.00 65.10
1978-790.00 0.00 0.00 -----z9.00u9.00 11.50 12.60 1.30 0.00 0.00 0.00 34.40b
1979-800.00 0.00 0.00 0.00 5.30 14.20 17.10 9.60 9.40 0.00 0.00 0.00 55.60
1980-810.00 0.00 0.00 0.00 4.20 14.50 2.90 0.20a0.00 0.00 0.00 0.00 21.80
1981-820.00 0.00 0.00 0.00 1.10 11.60 27.70a5.10 0.00 0.00 0.00 0.00 45.50
1982-830.00 0.00 0.00 0.00 5.70 17.60 12.10 6.40 0.00 0.00 0.00 0.00 41.80
1983-840.00 0.00 0.00 0.00 5.00 23.20 12.40a4.40 0.00 0.00 0.00 0.00 45.00
1984-850.00 0.00 0.00 0.00 23.00 21.30a2.80 17.80 3.40 0.00 0.00 0.00 68.30
1985-860.00 0.00 0.00 0.00 13.80 8.90 22.90 20.40 0.00 1.20a0.00 0.00 67.20
1986-870.00 0.00 0.00 0.00 2.20 10.40 6.70 0.90a0.30 0.00 0.00 0.00 20.50
1987-880.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z-----z-----z-----z0.00h
Period of Record Statistics
MEAN0.00 0.00 0.00 0.28 6.29 13.54 13.72 6.25 2.13 0.20 0.00 0.00 45.25
S.D.0.00 0.00 0.00 0.86 5.89 8.18 7.31 5.27 2.59 0.62 0.00 0.00 17.18
SKEW0.00 0.00 0.00 2.80 1.39 0.68 0.51 0.81 1.13 3.36 0.00 0.00 -0.21
MAX0.00 0.00 0.00 3.20 24.20 30.70 33.50 20.40 9.40 2.80 0.00 0.00 68.90
MIN0.00 0.00 0.00 0.00 0.00 1.20 1.10 0.00 0.00 0.00 0.00 0.00 12.80
YRS39 39 39 40 37 37 37 38 41 41 40 40 30