MCNARY DAM, WA

Total of Snowfall (Inches)

(455231)

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
1954-55-----z-----z-----z0.00 0.00 0.00 1.00 0.00d0.00 0.00 0.00 0.00 1.00c
1955-560.00 0.00 0.00 0.00 3.00 9.30 6.70 3.00 0.00 0.00 0.00 0.00 22.00
1956-570.00 0.00 0.00 0.00 0.00 0.00 12.00 2.00 0.00 0.00 0.00 0.00 14.00
1957-580.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1958-590.00 0.00 0.00 0.00 0.00 0.00 5.20 0.00e0.00 0.00 0.00 0.00 5.20
1959-600.00 0.00 0.00 0.00 0.00 1.50 3.70 0.00 0.30 0.00 0.00 0.00 5.50
1960-610.00 0.00 0.00 0.00 0.00 0.00b-----z0.00 0.00 0.00 0.00 0.00 0.00a
1961-620.00 0.00 0.00 0.00 0.00 0.00c0.00 0.00 0.00b0.00 0.00 0.00 0.00
1962-630.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1963-640.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1964-650.00 0.00 0.00 0.00 0.00 3.30 -----z0.00 0.00 0.00 0.00 0.00 3.30a
1965-660.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1966-670.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1967-680.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1968-690.00 0.00 0.00 0.00 0.00 2.50 0.00k-----z0.00 0.00 0.00 0.00 2.50b
1969-700.00 0.00 0.00 0.00 0.00 0.00 -----z0.00 0.00 0.00 0.00 0.00 0.00a
1970-710.00 0.00 0.00 0.00 0.00 -----z0.00 0.00 0.00 0.00 0.00 0.00 0.00a
1971-720.00 0.00 0.00 0.00 0.00 -----z-----z3.00 0.00 0.00 0.00 0.00 3.00b
1972-730.00 0.00 0.00 0.00 0.00 10.00 3.30 6.60 0.00 0.00 0.00 0.00 19.90
1973-740.00 0.00 0.00 0.00 0.00 0.00 3.00 0.00 0.00 0.00 0.00 0.00 3.00
1974-750.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 0.00 0.00 0.00 0.00 0.10
1975-760.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1976-770.00 0.00 0.00 0.00 0.00 1.50 2.00 0.00 0.00 0.00 0.00 0.00 3.50
1977-780.00 0.00 0.00 0.00 6.00 -----z3.00a0.00 0.00 0.00 0.00 0.00 9.00a
1978-790.00 0.00 0.00 0.00 2.00 -----z-----z-----z0.00 0.00 0.00 0.00 2.00c
1979-800.00 0.00 0.00 0.00 0.00 0.00 -----z-----z0.00 0.00 0.00 0.00 0.00b
1980-810.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1981-820.00 0.00 0.00 0.00 0.00 -----z0.00a0.00 -----z-----z0.00 0.00 0.00c
1982-830.00 0.00 0.00 0.00 0.00 -----z-----z-----z0.00 0.00 0.00 0.00 0.00c
1983-840.00 0.00 0.00 0.00c0.00 -----z-----z0.00 0.00 0.00 0.00 0.00 0.00b
1984-850.00 0.00 0.00 0.00 0.00 -----z-----z-----z0.00 0.00 0.00 0.00 0.00c
1985-860.00 0.00 0.00 0.00 -----z-----z-----z-----z0.00 0.00 0.00 0.00 0.00d
1986-870.00 0.00 0.00 0.00 0.00 -----z-----z0.00 0.00 0.00 0.00 0.00 0.00b
1987-880.00 0.00 0.00 0.00 0.00 1.30 0.50a0.00 0.00 0.00 0.00 0.00 1.80
1988-890.00 0.00 0.00 0.00 0.00 0.00 0.00 -----z0.00 0.00 0.00 0.00 0.00a
1989-900.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00b0.00 0.00 0.00 0.00 0.00
1990-910.00 0.00 0.00 0.00 0.00 0.00d-----z0.00 0.00a0.00 0.00 0.00 0.00a
1991-920.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1992-930.00 0.00 0.00 0.00 0.00 2.40 0.60g11.00 0.80 0.00 0.00 0.00 14.20a
1993-940.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1994-950.00 0.00 0.00 0.00 0.00 0.00b0.00 0.00b0.00 0.00 0.00 0.00 0.00
1995-960.00 0.00 0.00 0.00 0.00 0.00b0.00c0.00d0.00 0.00 0.00 0.00 0.00
1996-970.00 0.00 0.00 0.00 0.00 0.00e0.00c0.00 0.00 0.00 0.00 0.00 0.00
1997-980.00 0.00 0.00 0.00 0.00 0.00 4.70a0.00 0.00 0.00 0.00 0.00 4.70
1998-990.00 0.00 0.00 0.00 0.00 0.00a0.00 0.00 0.00 0.00 0.00 0.00 0.00
1999-000.00 0.00 0.00 0.00 0.00 0.00 1.50 0.00 0.00a0.00 0.00 0.00 1.50
2000-010.00 0.00 0.00 0.00 0.00 0.00a0.00 0.00 0.00 0.00 0.00 0.00 0.00
2001-020.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2002-030.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2003-040.00 0.00 0.00 0.00 0.00 0.00a0.00g0.00a0.00 0.00 0.00 0.00 0.00a
2004-050.00 0.00 0.00 0.00 0.00 0.00 0.00a0.00 0.00 0.00 0.00 0.00 0.00
2005-06-----z-----z0.00 -----z0.00 0.00b0.00 0.00 0.00 0.00 0.00 0.00 0.00c
2006-070.00 -----z0.00 0.00 0.00 0.00 0.30a0.00 0.00 0.00 0.00 0.00 0.30a
2007-080.00 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00k
Period of Record Statistics
MEAN0.00 0.00 0.00 0.00 0.21 0.74 1.23 0.56 0.02 0.00 0.00 0.00 2.62
S.D.0.00 0.00 0.00 0.00 0.96 2.14 2.49 1.96 0.12 0.00 0.00 0.00 5.68
SKEW0.00 0.00 0.00 0.00 5.00 3.54 2.65 4.15 5.99 0.00 0.00 0.00 2.51
MAX0.00 0.00 0.00 0.00 6.00 10.00 12.00 11.00 0.80 0.00 0.00 0.00 22.00
MIN0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
YRS52 50 52 52 52 43 38 46 52 52 53 53 31