GREAT SAND DUNES NATIONAL PARK AND PRESERVE, CO

Total of Snowfall (Inches)

(053541)

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
1950-51-----z-----z0.00 0.00 0.00f7.80 4.00 0.90 0.30 9.80 0.00 0.00 22.80c
1951-520.00 0.00 0.00 0.30 1.70 6.20 7.40 0.50 3.60 4.60 3.30 0.00 27.60
1952-530.00 0.00 0.00 0.00 6.70 1.90 0.50 1.50 9.90 4.00 4.00 0.00 28.50
1953-540.00 0.00 0.00 0.00 5.00 2.40 4.50 0.00 1.00a0.00 5.00 0.00 17.90
1954-550.00 0.00 0.00 0.00 4.30 1.20 6.00 0.00g0.00c0.00 0.00 0.00 11.50a
1955-560.00 0.00 0.00 0.00 0.00 2.00 9.50 0.00b3.00 15.70 3.50 0.00 33.70
1956-570.00 0.00 0.00 0.00 9.80 4.50 6.70 2.00 7.50 20.00 0.00 0.00 50.50
1957-580.00 0.00 0.00 0.00 11.20 1.20 12.60 3.40 13.40 9.70 0.00 0.00 51.50
1958-590.00 0.00 0.00 1.00 7.30 3.00 6.70 3.60 11.00 11.40 3.20 0.00 47.20
1959-600.00 0.00 0.00 16.90 3.00 4.00 6.50 16.10 2.50 6.00 0.50 0.00 55.50
1960-610.00 0.00 0.00 2.00 0.00 5.50a4.00 11.00 8.30 6.00 0.00 0.00 36.80
1961-620.00 0.00 0.00a3.00 0.00a18.00 2.00 8.00 5.00b0.00 0.00 0.00 36.00
1962-630.00 0.00 0.00 0.00 1.00 0.00b17.50 4.00 6.00 0.00 0.00 0.00 28.50
1963-640.00 0.00c0.00 0.00 1.20 2.00b1.00 10.00 14.50 0.50c0.00 0.00 29.20
1964-650.00 0.00 0.00 0.00 13.00 7.00 2.80 7.00 18.30 2.50 0.50 0.00 51.10
1965-660.00 0.00 1.50 1.50 1.50 6.80 10.50 0.20a1.50 3.10 0.00 0.00 26.60
1966-670.00 0.00 0.00 0.40 0.00 2.20 3.50a11.50 4.50 14.00 0.00 0.00 36.10
1967-680.00 0.00 0.00 6.00 0.00 6.70d2.50 8.00 7.00 0.50 0.00 0.00 30.70
1968-690.00 0.00 0.00 5.00 1.00 4.00 1.00 3.50 12.00 0.00 2.50 0.00 29.00
1969-700.00 0.00 0.00 27.70 2.80 13.10 0.10 0.00 7.60 4.50 1.50 0.00 57.30
1970-710.00 0.00 0.00 4.60 0.50 0.20 0.30 1.70 1.20 0.00 0.70a0.00 9.20
1971-720.00 0.00 2.30 2.70 3.00a7.50 0.00a1.00 3.00 0.50 0.00 0.00 20.00
1972-730.00 0.00 0.00 13.50 12.50 18.00 3.00 5.50 13.50 6.00d13.00 0.00 85.00
1973-740.00 0.00 0.00 0.00 0.00d-----z13.00c5.00 2.00 0.00 0.00 0.00 20.00a
1974-75-----z0.00 0.00 0.00 0.00 6.00 15.00 0.00 15.00 -----z-----z-----z36.00d
1975-760.00 0.00 0.00 0.00 5.00g1.00 0.00c0.00b5.00b-----z0.00 0.00 6.00b
1976-770.00 0.00 0.00 -----z-----z0.00c-----z-----z0.00b-----z0.00a0.00 0.00e
1977-780.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z0.00 -----z0.00 0.00f
1978-790.00 0.00 0.00 0.00 -----z6.00e16.80 1.00 6.50 8.00 0.00 0.00 38.30a
1979-800.00 0.00 0.00 -----z2.00 3.00 3.00 2.00 7.50 12.50 0.00 0.00 30.00a
1980-810.00 0.00 0.00 0.00a0.00 0.00 0.00 0.50 20.70 0.00 0.30 0.00 21.50
1981-820.00 0.00 0.00 1.50 6.00 13.50 1.00 4.50a3.00 -----z-----z0.00 29.50b
1982-830.00 0.00 0.00 1.70 1.00 9.10a0.50 6.00a15.10 1.50d1.70 0.00 36.60
1983-840.00 0.00 0.00 0.00 8.80 13.30 2.70 10.20 3.00 3.20 0.00 0.00 41.20
1984-850.00 0.00 0.00 10.40a1.00a-----z15.30 0.00a0.70a3.00 0.00 0.00 30.40a
1985-860.00 0.00a0.00 0.00a9.30 3.50 0.50 4.30 4.50 12.30 0.00 0.00 34.40
1986-870.00 0.00 0.00 2.50 5.90 7.00 15.30a8.30 8.90 0.50 0.00 0.00 48.40
1987-880.00 -----z-----z0.00 -----z10.80 12.50c-----z7.50u-----z-----z0.00 23.30g
1988-890.00 0.00 0.00 0.00 2.80 4.60 15.10 25.10 2.70 0.10 0.00 0.00 50.40
1989-900.00 0.00 0.00 0.50 0.00 -----z14.70 3.00 16.30 8.50 3.50 0.00 46.50a
1990-910.00 0.00 0.00 1.00a0.00c6.00a3.50a0.00b0.00f5.50 0.50a0.00 16.50a
1991-920.00 0.00 0.00 11.00 21.00a18.00 13.00a4.50 18.00a0.00 0.50 0.00 86.00
1992-930.00 0.00 0.00 0.00 12.00 16.30a8.80a7.90 14.20a7.00 1.30 0.00 67.50
1993-940.00 0.00 0.00 6.50 4.70 6.90 10.60 6.20 10.50 2.40d0.00 0.00 47.80
1994-950.00 0.00 0.00 5.50 6.50c2.30 2.40a0.00a17.80a12.50 5.00b0.30 52.30
1995-960.00 0.00 0.00 0.50 3.30 4.50a15.10 8.60 7.30b6.60 0.20 0.00 46.10
1996-970.00 0.00 0.00 5.90 10.00 0.50b6.10 16.00a2.80a18.60 0.30 0.00 60.20
1997-980.00 0.00 0.00 3.50a24.70 6.00 1.90b6.60 15.10 21.50 0.00 0.00 79.30
1998-990.00 0.00 0.00 0.50a7.70 5.10 13.60 5.40 4.10a5.80 17.50 0.00 59.70
1999-000.00 0.00 0.00 1.00 0.00 6.90 3.10 3.90 17.80 2.20a0.00 0.00 34.90
2000-010.00 0.00 0.00 0.00 2.60b0.60 10.30a7.00 12.20 3.80 3.20 1.50 41.20
2001-020.00 0.00 0.00 5.50 7.60 2.50 6.60b5.70 4.50 0.00 0.00 0.00 32.40
2002-030.00 0.00 0.00 0.00 0.00 1.50 3.90 12.80 32.20 2.60 0.00a0.00 53.00
2003-040.00 0.00 0.00 0.00 1.90 5.30 4.10a12.40 6.20 13.60 0.00 0.00 43.50
2004-050.00 0.00 0.00 1.00 9.90 3.10 16.50 6.70 2.50 12.80 1.00 0.00 53.50
2005-060.00 0.00 0.00 0.00 0.70 2.40 6.20 0.60 10.00 1.00 0.00 0.00 20.90
2006-070.00 0.00 2.20y9.40 1.70 8.10a8.60a2.50 3.50 14.80 0.00 0.00 48.60a
2007-080.00 0.00 0.00 2.10 1.50 14.40a9.70 5.00 5.50 3.20 0.00 0.00 41.40
2008-090.00 0.00 0.00 0.10 9.00 11.20 2.20 0.90 5.00 25.30a0.00 0.00 53.70
2009-100.00 0.00 0.00 9.00 4.00 2.10 3.10 6.90 10.40b10.40 1.20 0.00 47.10
2010-110.00 0.00 0.00 0.00 2.80 9.30 -----z3.10r-----z6.00y-----z-----z12.10f
2011-12-----z-----z-----z-----z-----z3.80m1.10x7.00t-----z-----z-----z-----z0.00l
2012-13-----z-----z-----z-----z0.70 5.30 2.60p3.60b1.80a4.90o0.00 0.00 11.40f
2013-140.00 0.00 0.00 4.00 15.00a4.00 6.10 12.60 10.00 11.10 0.50a0.00 63.30
2014-150.00 0.00 0.00 0.00 13.00 15.00 5.20b16.60c0.20 4.00 4.00 0.00 58.00
2015-160.00 0.00 0.00 0.00 8.00 6.10 8.00 6.00 1.50 14.20 3.00 0.00 46.80
2016-170.00 0.00 0.00 0.00 2.80 17.70 15.30 2.10 9.90 11.40a4.60 0.00 63.80
2017-180.00 0.00 0.00 0.60 0.80 1.70 3.90 6.10 1.70 1.70 0.20 0.00 16.70
2018-190.00 0.00 0.00 2.50 4.10 3.00j11.00a7.30 10.90 2.60 4.60 0.00 43.00a
2019-200.00 0.00 0.00 3.80 7.10 17.20 6.40 4.80 1.30 0.00e0.00 0.00 40.60
2020-210.00 0.00 0.90a3.80 2.00 9.90 9.50 3.80 13.60 1.70 0.00 0.00 45.20
2021-220.00 0.00 0.00 2.60 0.90 1.20 4.80 5.10 13.30 3.90 3.40 0.00 35.20
2022-230.00 0.00 0.00 0.10 5.90 1.00 10.50 6.40 3.10 1.90 0.00 0.00 28.90
2023-240.00 0.00 0.00 0.50 1.50 4.20 3.50 15.60 23.50c-----z-----z-----z48.80c
Period of Record Statistics
MEAN0.00 0.00 0.07 2.59 4.71 6.17 6.83 5.57 8.06 6.01 1.41 0.03 43.32
S.D.0.00 0.00 0.34 4.66 5.17 5.12 5.16 5.01 6.53 6.18 2.92 0.18 16.54
SKEW0.00 0.00 5.38 3.08 1.59 0.98 0.49 1.33 1.07 1.08 3.61 7.76 0.46
MAX0.00 0.00 2.30 27.70 24.70 18.00 17.50 25.10 32.20 25.30 17.50 1.50 86.00
MIN0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.20
YRS70 70 70 70 67 68 69 68 69 65 67 70 54