TOLT SOUTH FORK RESERVOIR, WA

Total of Snowfall (Inches)

(458508)

File last updated on March 28, 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
1962-63-----z-----z-----z-----z-----z22.30 12.30 0.20 8.00 0.00d0.00 0.00 42.80e
1963-640.00 0.00 0.00 0.00 3.50 4.00 40.60 3.80 3.50f-----z0.00 0.00 51.90b
1964-650.00 0.00 0.00 0.00 12.00a-----z-----z-----z-----z-----z-----z-----z12.00g
1965-66-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1966-670.00 -----z0.00 0.00 -----z-----z-----z2.50 -----z0.00 -----z-----z2.50g
1967-68-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1968-69-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1969-70-----z-----z-----z-----z-----z-----z-----z2.00 4.00 1.70 0.00 0.00 7.70g
1970-71-----z-----z0.00 0.00 7.50 7.10i27.00 26.00 35.50 0.00 0.00 0.00 96.00c
1971-720.00 0.00 0.00 -----z-----z10.50h-----z-----z1.20 9.50 -----z0.00 10.70f
1972-730.00 0.00 0.00 -----z-----z-----z-----z-----z-----z0.00 0.00 0.00 0.00f
1973-740.00 0.00 0.00 0.00 -----z3.00 13.30 -----z-----z0.50 0.00 0.00 16.80c
1974-750.00 0.00 0.00 0.00 0.00 18.90 14.30 24.30 15.30 0.00 5.00 0.00 77.80
1975-760.00 0.00 0.00 0.00 9.80 8.50 -----z14.00 22.00 0.00 0.00 0.00 54.30a
1976-770.00 0.00 0.00 0.00 0.00 0.00 1.50 2.00 10.00 0.00 0.00 -----z13.50a
1977-780.00 0.00 0.00 0.00 5.00 3.50 0.50 -----z1.30 0.00 0.00 0.00 10.30a
1978-790.00 0.00 0.00 0.00 0.00h28.50 -----z-----z7.50 0.00 0.00 0.00 36.00c
1979-800.00 0.00 0.00 0.00 3.50 6.00 19.50 3.00 -----z1.50 0.00 0.00 33.50a
1980-81-----z0.00 0.00 0.00 0.00 8.00 1.00 0.00 0.00a0.00a0.00 0.00 9.00a
1981-82-----z-----z0.00 0.00 0.00 5.50 17.00b7.50 2.00 -----z0.00 0.00 32.00c
1982-830.00 0.00 0.00 0.00 0.50 4.70 0.00a0.80 0.00 0.00 0.00 -----z6.00a
1983-840.00 0.00 0.00 0.00 -----z17.90a0.00 0.00 0.00 0.00 0.00 0.00 17.90a
1984-850.00 0.00 0.00 3.50 -----z52.10b-----z13.80 0.00 -----z-----z0.00 69.40d
1985-860.00 0.00 0.00 0.00 1.00i1.00b0.00 3.80 0.00 0.00 0.00 0.00 4.80a
1986-87-----z0.00 0.00 0.00 -----z0.00 12.00 0.00 -----z0.00 0.00 0.00 12.00c
1987-88-----z0.00 0.00 0.00 0.00 17.00 -----z3.30 26.00 2.80 0.00 0.00 49.10b
1988-89-----z0.00 -----z0.00 -----z-----z35.50 20.00a-----z0.00 0.00 0.00 55.50e
1989-90-----z0.00 0.00 0.00 4.00 0.00 24.30 32.00 8.50 2.00 0.00 0.00 70.80a
1990-91-----z0.00 0.00 0.00 12.00 -----z2.00 0.00 7.30b0.00 0.00 0.00 21.30b
1991-920.00 0.00 0.00 0.00 -----z0.00 1.00 1.00 0.00 -----z0.00 0.00 2.00b
1992-93-----z0.00 0.00 0.00 0.00 27.50c9.10 3.00 -----z0.00 0.00 0.00 39.60b
1993-940.00 0.00 0.00 0.00 9.00 0.00 0.00 22.00 14.00 -----z-----z0.00 45.00b
1994-950.00 0.00 -----z0.00 45.50 18.50 0.00 1.00 8.50a10.50 0.00 0.00 84.00a
1995-96-----z0.00 -----z0.00 1.00 3.00 38.10 10.00 3.00 0.00 1.00 -----z56.10c
1996-970.00 0.00 0.00 3.50 10.50 25.80a16.00 1.00 -----z0.00 0.00 0.00 56.80a
1997-980.00 0.00 0.00 0.00a0.00 0.00b13.80 5.50a0.00 0.00 0.00 -----z19.30a
1998-990.00 0.00 0.00 0.00 0.00 9.30a5.00 12.00a25.80a12.00 0.00 0.00 64.10
1999-000.00 0.00 0.00 0.00 4.50 11.50 37.00 5.00 0.00a4.50 0.00 0.00 62.50
2000-01-----z0.00 0.00 0.00 0.00 0.20b3.00 -----z-----z-----z-----z-----z3.20f
2001-02-----z-----z0.00 0.00 2.00b-----z37.50a62.50a93.10g2.00 5.50 0.00 109.50d
2002-030.00 0.00 0.00 0.00 0.00 1.50 0.00 0.00 20.10 3.00 1.00 0.00 25.60
2003-040.00 0.00 0.00 0.00 65.80 3.00a26.60b2.50 1.00 0.00 0.00 0.00c98.90
2004-050.00 0.00 0.00 0.00 1.00 0.00 14.80 3.00b0.00 0.00 0.00 0.00 18.80
2005-060.00 0.00 0.00 0.00 9.30a20.80 6.00 13.80 3.80 0.00 0.00 0.00 53.70
2006-070.00 0.00 0.00 0.00 19.20 11.10 22.50 13.50 12.80 5.50 0.00 0.00 84.60
2007-080.00 0.00 0.00 0.00 0.60 26.80b43.30c11.80a26.30 29.40 0.00 0.00 138.20
2008-090.00 0.00 0.00 0.00 1.00 34.10a22.10 6.80 50.50a20.00 0.00 0.00 134.50
2009-100.00 0.00 0.00 0.00 2.50 7.50 0.00 0.00 4.00 7.50 2.00 0.00 23.50
2010-110.00 0.00 0.00 0.00 13.00 8.00 5.00 29.00 8.50 5.30 0.00 0.00 68.80
2011-12-----z-----z-----z-----z-----z3.80a29.00 26.30 44.80 2.80 0.00 -----z106.70f
2012-130.00a-----z-----z-----z0.00 19.00 22.50 6.30 13.80a5.50 -----z0.00 67.10d
2013-140.00 0.00b0.00 0.00c0.00 7.50b0.00 9.50f4.30 0.00 0.00 0.00 11.80a
2014-150.00 0.00 0.00 0.00 5.70 0.70 0.20 0.00 0.00 4.00 0.00 0.00 10.60
2015-160.00 0.00 0.00 0.00b3.00a32.70 4.00 1.00b0.00a0.00 0.00b0.00 40.70
2016-170.00 0.00 0.00a0.00a0.00 23.80 11.50 34.00 10.00b0.00a0.00 0.00 79.30
2017-180.00 0.00d0.00d0.00b3.00a7.00a3.00 26.50b7.20b7.00c0.00b0.00a53.70
2018-190.00c0.00d0.00f0.00a0.00c0.00b5.50c52.50b21.50 0.00 0.00a0.00d79.50a
2019-200.00b0.00i0.00 0.00 0.00 0.00d45.50 13.50 2.50 6.00 0.00 0.00a67.50a
2020-210.00a0.00b0.00 0.00c0.00f6.10b1.00 42.00 6.30 2.00 0.00 0.00b57.40a
2021-220.00 0.00b0.00 0.00c1.00 47.50 25.50 12.50 1.50 12.50a0.00a0.00 100.50
2022-230.00a0.00 0.00 0.00 11.00 27.50b2.00a16.50a20.50 9.50 0.00 0.00b87.00
2023-240.00c0.00 0.00 0.00b0.00 3.30 15.50 6.50 14.50d-----z-----z-----z39.80c
Period of Record Statistics
MEAN0.00 0.00 0.00 0.13 6.05 11.77 13.74 11.76 10.08 3.27 0.28 0.00 67.93
S.D.0.00 0.00 0.00 0.67 12.12 12.83 13.77 14.15 11.99 5.69 1.07 0.00 36.71
SKEW0.00 0.00 0.00 4.85 3.61 1.27 0.78 1.68 1.60 2.64 4.16 0.00 0.27
MAX0.00 0.00 0.00 3.50 65.80 52.10 45.50 62.50 50.50 29.40 5.50 0.00 138.20
MIN0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10.60
YRS44 50 51 53 44 50 50 51 47 51 51 50 18