WINCHESTER, ID

Total of Snowfall (Inches)

(109846)

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
1965-660.00 0.00 0.50 0.00 6.00 7.40 50.00 41.00 35.00 2.00 2.00 0.00 143.90
1966-670.00 0.00 0.00 10.00 5.00 14.00 26.50 8.00 23.00 25.00 5.50 0.00 117.00
1967-680.00 0.00 0.00 0.00 2.10 13.10 23.60 2.20 7.70 25.50 0.00 0.00 74.20
1968-690.00 0.00 2.50 0.00 13.70 46.10 38.50 14.00 12.10 7.50 0.00 0.00 134.40
1969-700.00 0.00 0.00 1.00 0.00 14.50 16.00 5.00 20.00 20.50 4.50 0.00 81.50
1970-710.00 0.00 0.00 2.50 24.30 21.30 17.80 11.30 28.00 17.00 6.00 0.00 128.20
1971-720.00 0.00 0.00 12.00 17.00 47.50 41.00 31.00 26.50 24.00 0.00 0.00 199.00
1972-730.00 0.00 2.00 2.50 3.50 13.00 12.50 6.50 15.00 1.10 0.00 0.00 56.10
1973-740.00 0.00 0.00 8.00 40.50 27.00 22.00 23.50 19.50 13.00 5.50 0.00 159.00
1974-750.00 0.00 0.00 0.00 2.50 10.50 46.00 21.50 13.50 31.00 7.10 0.00 132.10
1975-760.00 0.00 0.00 9.50 25.50 33.00 23.00a20.00 27.00 19.00 1.00 1.00 159.00
1976-770.00 0.00 0.00 0.00 1.50 1.50 7.50a7.50 32.00 7.00 6.00 0.00 63.00
1977-780.00 0.00 0.00 0.50 22.50 28.00 15.00 18.00 9.50 6.50 6.50 0.00 106.50
1978-790.00 0.00 0.00 1.50 15.00 42.50 23.00 19.50 15.00 16.00 2.00 0.00 134.50
1979-800.00 0.00 0.00 0.50 16.50a7.50 15.50c6.50 36.00 2.00 1.00 0.00 85.50
1980-810.00 0.00 0.00 0.00 -----z10.00a1.80 1.00a8.00 5.50 2.00 0.00 28.30a
1981-820.00 0.00 0.00 0.00 0.00c15.20a38.00 13.00 24.00 17.00 1.00 0.00 108.20
1982-830.00 0.00 0.00 3.50 7.50 16.80a4.80 5.00 3.60 6.00 1.00 0.00 48.20
1983-840.00 0.00 0.50 0.00 2.50 22.80 8.40 8.00 13.50 13.00 5.50 0.00 74.20
1984-850.00 -----z1.50 7.60 13.50 49.50a4.00 18.50 16.00 4.00 -----z0.00 114.60b
1985-860.00 0.00 0.00 6.00 30.00 5.00 14.00 22.00 1.00 10.10a0.50 0.00 88.60
1986-870.00 0.00 0.00 0.00 24.50 5.00 1.60b7.00c8.00 1.50 0.00 0.00 47.60
1987-880.00 0.00 0.00 0.00 5.50 7.30 17.00 3.00 11.00 3.00 2.00 0.00 48.80
1988-890.00 0.00 0.00 0.00 21.00 11.60v27.50 9.50 21.50b4.00 2.50 0.00 86.00a
1989-900.00 0.00 0.00 0.00 2.00a3.00b12.80d23.80 16.50a2.80b2.00 0.00 62.90
1990-910.00 0.00 0.00 0.50 12.50a24.00 4.50 0.00 21.10 8.80 0.00 0.00 71.40
1991-920.00 0.00 0.00 3.30 23.10 9.30 5.80 2.00 0.00 2.60 0.00 0.00 46.10
1992-930.00 0.00 0.00 0.50 19.00 16.00 28.50 8.50 0.50 3.00 0.00 0.00 76.00
1993-940.00 0.00 0.00 0.00 19.50a11.00 10.00a26.50b8.00 0.00a0.00 0.00 75.00
1994-950.00 0.00 0.00 1.00 25.00 14.90 7.20 6.40 17.60 2.40 0.00 0.00 74.50
1995-960.00 0.00 0.00 0.00 6.20 9.00 48.70 15.00 7.90 10.70 0.40 0.00 97.90
1996-970.00 0.00 0.00 1.00 26.00 37.40a11.60a13.30 32.00 4.10 0.40 0.00 125.80
1997-980.00a0.00 0.00 1.40 1.40 15.70 16.40 3.00 7.10 4.60 0.80 0.00 50.40
1998-990.00 0.00 0.00 0.00 21.60 12.80 12.50 34.20 21.30 14.20 1.90 0.80 119.30
1999-000.00 0.00 0.00 3.60 4.50 13.60 26.00 11.70 5.20 1.50 6.30 0.00 72.40
2000-010.00 0.00 0.00 0.50 14.60 15.50 22.00 7.10 15.20 15.20 0.60 0.80 91.50
2001-020.00 0.00 0.00 1.00 5.80 17.00 31.20 12.30 29.20 6.60 7.40 4.30 114.80
2002-030.00 0.00 0.00 4.50 0.80 15.40 4.10 24.20 17.00 15.20 4.50 0.00 85.70
2003-040.00 0.00 0.00 1.30 9.80 23.50 20.50 12.90 7.00 3.60 1.30 0.00 79.90
2004-050.00 0.00 0.00 2.70 6.20 7.10 8.70 7.20 5.30 7.80 0.00 0.00 45.00
2005-060.00 0.00 0.00 0.00 5.70 15.20 12.40 4.90 13.40 12.40 0.00 0.00 64.00
2006-070.00 0.00 0.00 0.30 22.10 8.50a16.50 15.70 4.60 0.60 0.00 0.00 68.30
2007-080.00 0.00 0.00 0.00 18.40 24.30 23.10 7.00 35.00 33.80 0.10 0.60 142.30
2008-090.00 0.00 0.00 0.80 0.80 24.10a22.10 6.30 43.50 10.90 0.50 0.00 109.00
2009-100.00 0.00 0.00 1.70 12.20a14.10 14.60 1.30 13.30 6.30 10.00 0.00 73.50
2010-110.00 0.00 0.00 0.00 21.20 28.00 11.10 48.60 25.60 23.10 1.50 0.00 159.10
2011-120.00 0.00 0.00 0.00 12.90 2.70 20.40 15.40 26.90 11.10 0.10 0.00 89.50
2012-130.00 0.00 0.00 2.30 5.30a12.00 28.30 12.10 12.90 2.00 3.60 0.00 78.50
2013-140.00 0.00 0.00 0.00 9.10 13.50 7.80 31.60 9.00 0.40a0.00 0.00 71.40
2014-150.00a0.00 0.00 0.00 11.00s-----z-----z-----z-----z-----z-----z0.00f0.00h
2015-160.00o0.00 0.00 0.00a2.00e-----z-----z-----z-----z-----z-----z-----z2.00h
Period of Record Statistics
MEAN0.00 0.00 0.14 1.79 12.40 17.63 18.81 13.74 16.77 9.90 2.15 0.15 94.21
S.D.0.00 0.00 0.49 2.91 9.69 11.75 12.17 10.71 10.45 8.53 2.62 0.65 36.52
SKEW0.00 0.00 3.79 2.02 0.59 1.19 0.87 1.21 0.49 1.01 1.17 5.67 0.76
MAX0.00 0.00 2.50 12.00 40.50 49.50 50.00 48.60 43.50 33.80 10.00 4.30 199.00
MIN0.00 0.00 0.00 0.00 0.00 1.50 1.60 0.00 0.00 0.00 0.00 0.00 45.00
YRS50 50 51 51 49 48 49 49 49 49 48 49 46