FONTENELLE DAM, WY

Total of Snowfall (Inches)

(483396)

File last updated on November 7, 2025
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
1963-640.00a0.00 0.00 0.00 0.00b1.00 0.00 3.50 -----z1.00 0.00 0.00 5.50a
1964-650.00 0.00 0.00 0.00 -----z2.30 0.00 3.90 2.10 3.90 7.10 0.00 19.30a
1965-660.00 0.00 1.90 0.00 0.60a6.50 1.50 7.00 3.50 7.00 0.00 0.00 28.00
1966-670.00 0.00 0.00 9.00 1.00 13.50 5.50 2.00 8.00 7.00 2.00 0.00 48.00
1967-680.00 0.00 0.00 0.00 2.00 6.50 0.00 6.00 4.00 4.50 0.00 0.00 23.00
1968-690.00 0.00 0.00 0.00 0.00 8.50 -----z12.00 0.00 0.00 0.00 0.00 20.50a
1969-700.00 0.00 0.00 1.00 0.00 2.00 1.50 -----z-----z-----z4.00 0.00 8.50c
1970-710.00 0.00 0.00 4.00 -----z4.00 9.00 -----z3.00 0.00 0.00 0.00 20.00b
1971-720.00 0.00 0.00 3.00d3.50 18.00 9.00 2.50 0.00 -----z0.00 0.00 36.00a
1972-73-----z0.00 0.00 -----z0.00a-----z-----z-----z0.00d-----z0.00b0.00 0.00f
1973-740.00 0.00 0.00 0.00b-----z-----z-----z-----z0.00 0.00 -----z0.00 0.00e
1974-750.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z-----z-----z-----z0.00h
1975-76-----z-----z-----z-----z-----z-----z-----z-----z0.00 -----z0.00 0.00 0.00i
1976-770.00 0.00 0.00 0.00 0.00 -----z-----z0.00 -----z0.00 0.00 0.00 0.00c
1977-780.00 0.00 0.00 0.00 0.00b-----z-----z-----z-----z0.00 0.00 0.00 0.00d
1978-790.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z-----z-----z0.00 0.00g
1979-800.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z-----z-----z0.00 0.00g
1980-810.00 0.00 0.00 -----z-----z-----z-----z-----z-----z-----z0.00 0.00 0.00g
1981-820.00 0.00 0.00 -----z-----z-----z-----z-----z-----z0.00 0.00 0.00 0.00f
1982-830.00 0.00 -----z0.00 -----z-----z-----z-----z-----z0.00 -----z0.00 0.00g
1983-840.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z0.00 0.00 0.00 0.00e
1984-850.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z0.00 0.00 0.00 0.00e
1985-860.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z-----z0.00 0.00 0.00f
1986-870.00 0.00 0.00 0.00 0.00 -----z-----z-----z-----z0.00a0.00 0.00 0.00d
1987-880.00 0.00 0.00 -----z-----z-----z0.00d0.00a0.00 0.00 3.00 0.00 3.00c
1988-890.00 0.00 0.00 0.00 -----z0.00d0.00 -----z0.00 0.00 0.00 0.00 0.00b
1989-900.00 0.00 0.00 0.00 0.00e0.00e0.00d0.00d0.00 0.00 0.00 0.00 0.00
1990-910.00 0.00 0.00 0.00 -----z-----z0.50 0.00 0.00 0.00a0.00 0.00 0.50b
1991-920.00 0.00 0.00 12.00 9.50a0.00 4.50f0.00 -----z0.00 0.00 0.00 21.50b
1992-930.00 0.00 0.00 0.00 4.00b7.50f16.10 7.10a0.00b0.00 0.00b0.00 27.20a
1993-940.00 0.00 0.00 -----z6.50c5.00 3.00c4.00 5.00 1.00 0.00 0.00 24.50a
1994-950.00 0.00 0.00 0.00 7.00a4.00 4.00 16.80 2.00 8.00 0.00 0.00 41.80
1995-960.00 0.00 1.00 2.50 0.00 0.30 10.10 7.00 9.50 -----z0.00 0.00 30.40a
1996-970.00 0.00 0.00 4.00 8.20y0.60y-----z4.50y-----z-----z0.00 0.00 4.00f
1997-980.00 0.00 0.00 6.00 2.00c6.40a2.20a7.50 17.50a0.00a0.00 0.00 41.60
1998-990.00 0.00 0.00 0.00 3.00 0.00c6.30c6.00a2.50e13.00c1.00 0.00 31.80
1999-000.00 0.00 0.00 0.00 1.00 1.90 8.00i6.50 4.00 0.00 6.00 0.00 19.40a
2000-010.00 0.00 0.00c0.00 10.00a4.00 2.50a5.50a5.50 2.50 0.00 0.00 30.00
2001-020.00 0.00 0.00 0.00 4.00a4.50b0.00 0.00a0.00h-----z0.00a0.00 8.50b
2002-030.00 0.00 0.00 2.20a0.00 4.00a0.50 15.00 0.00c0.00a0.00 0.00 21.70
2003-040.00 0.00 0.00 0.00d1.50d4.00c0.00e15.30 0.00 7.00 0.00 0.00 27.80
2004-050.00 0.00 0.00 0.00a7.50 4.50 16.70 1.00a7.00 11.00 0.00 0.00 47.70
2005-060.00 0.00 0.00 0.00 -----z9.50 3.00 6.50 8.50a0.00 0.00 0.00 27.50a
2006-070.00 0.00 0.00 0.50 -----z5.00a2.00 3.00 2.30 0.00 4.50 0.00 17.30a
2007-080.00 0.00 0.30 0.00 0.00 6.30 10.00 13.00 1.50 1.50 0.00a0.00 32.60
2008-090.00 0.00 0.00 1.00 0.00 3.00 4.00 1.00 9.10 3.00 0.00 0.00 21.10
2009-100.00 0.00 0.00 1.00 0.00 -----z0.00a4.00b0.00a2.00 0.00 0.00 7.00a
2010-110.00 0.00 0.00 0.00 3.00 11.50 0.50 7.00 4.00 3.00 4.00 0.00 33.00
2011-120.00 0.00 0.00 0.00 6.00 2.00 3.00 3.00 0.00a0.00 0.00 0.00 14.00
2012-130.00 0.00 0.00 0.00b0.50 3.00 1.00 10.00 1.00 3.00 0.00 0.00 18.50
2013-140.00 0.00 0.00 4.50 1.00 9.00 0.00 2.00 1.00 0.00 0.00 0.00 17.50
2014-150.00 0.00 0.00 0.00 0.50 5.00 0.00 0.00 0.00 0.00 0.00 0.00 5.50
2015-160.00 0.00 0.00 0.00 3.50 6.00 5.00 0.00b3.00 0.00 0.00 0.00 17.50
2016-170.00 0.00 0.00 0.00 1.00 2.00 25.20 12.00 0.00 0.00 0.00 0.00 40.20
2017-180.00 0.00 0.00 0.00 0.00 2.00 2.50 5.80 0.00 0.00 0.00 0.00 10.30
2018-190.00 0.00 0.00 0.00 3.40 2.50 6.30 7.20 12.10 3.30 0.00 0.00 34.80
2019-200.00 0.00 0.00 1.50 7.50 11.10 3.70 2.30 9.70 5.30 0.00 0.00 41.10
2020-210.00 0.00 1.00 0.00 2.00 2.50 4.40 5.20 2.30 1.80 1.50 0.00 20.70
2021-220.00 0.00 0.00 0.10 0.00 5.80 2.30 0.80 3.90 5.00 0.00 0.00 17.90
2022-230.00 0.00 0.00 0.00 4.40 11.40 24.00 6.00 3.00 14.00 0.00 0.00 62.80
2023-240.00 0.00 0.00 0.00 2.00 0.00 5.50 6.20 2.70 0.00 0.00 0.00 16.40
2024-250.00 0.00 0.00 6.00 3.40 1.20 0.20 4.40 5.60 1.00 0.00 0.00 21.80
2025-260.00 0.00 0.00 -----z-----z-----z-----z-----z-----z-----z-----z-----z0.00i
Period of Record Statistics
MEAN0.00 0.00 0.07 1.04 2.36 4.75 4.44 5.18 3.18 2.18 0.58 0.00 27.40
S.D.0.00 0.00 0.30 2.39 2.81 4.05 6.08 4.48 3.92 3.52 1.56 0.00 14.07
SKEW0.00 0.00 4.81 2.85 1.20 1.19 2.04 0.87 1.59 1.86 2.79 0.00 0.39
MAX0.00 0.00 1.90 12.00 10.00 18.00 25.20 16.80 17.50 14.00 7.10 0.00 62.80
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
YRS61 62 61 56 43 42 43 44 45 50 57 61 28