JOHN MARTIN DAM, CO

Total of Snowfall (Inches)

(054388)

File last updated on April 25, 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
1941-42-----z0.00 0.00 0.00 1.00 3.60 3.20 9.50 0.80 0.00 0.00 0.00 18.10a
1942-430.00 0.00 0.00 6.00 1.00 6.20 4.50 1.00 2.00 0.00 0.00 0.00 20.70
1943-440.00 0.00 0.00 1.00 1.00 11.00 11.00 3.00 11.50 7.00 0.00 0.00 45.50
1944-450.00 0.00 0.00 0.00 0.00 3.50 12.50 2.50 -----z0.30 0.00 0.00 18.80a
1945-460.00 0.00 0.00 0.00 1.80 2.40 3.20 6.80 3.00 0.00 0.00 0.00 17.20
1946-470.00 0.00 0.00 0.00 37.40 0.00 2.00 6.00 4.60 0.00 0.00 0.00 50.00
1947-480.00 0.00 0.00 0.00 1.20 7.00a10.10 11.70 22.00 0.00 0.00 0.00 52.00
1948-490.00 0.00 0.00 0.00 1.00 0.60 8.60 0.10a5.50 0.00 0.00 0.00 15.80
1949-500.00 0.00 0.00 0.00a0.00 0.00 1.40 0.00 1.50 0.00 1.00 0.00 3.90
1950-510.00 0.00 0.00 0.00 0.00 0.00 0.00c0.00 10.00 0.00 0.00 0.00 10.00
1951-520.00 0.00 0.00 0.00 0.40 0.00 0.00a0.00 3.00 0.00a0.00 0.00 3.40
1952-530.00 0.00 0.00 0.00 7.00 0.00a2.50 0.00 0.00 0.00a0.00 0.00 9.50
1953-540.00 0.00 0.00 0.00 0.00b0.00b0.00b0.00a0.00b0.00 0.00a0.00 0.00
1954-550.00 0.00 0.00 0.00 0.00 2.00 0.00 0.00 1.50 0.00 0.00 0.00 3.50
1955-560.00 0.00 0.00 0.00a-----z-----z-----z-----z0.00 0.00 0.00 0.00 0.00d
1956-570.00 0.00 0.00 0.00 0.00c-----z2.00 0.00 0.00 0.00b0.00 0.00 2.00a
1957-580.00 0.00 0.00 0.00 0.00 0.00 0.00e0.00e0.00h2.00 0.00 0.00 2.00a
1958-590.00 0.00 0.00 0.00 0.00c0.00d0.00f0.00e0.00a3.00 0.00 0.00 3.00a
1959-600.00 0.00 0.00 2.00 0.00b0.00 7.00 10.00e0.00f0.00 0.00 0.00 19.00a
1960-610.00 0.00 0.00 0.00 3.00 0.00e0.00 11.00 5.00 0.00a0.00 0.00 19.00
1961-620.00 0.00 0.00 0.00 0.00b0.00d0.00e0.00d-----z0.00 0.00 0.00 0.00a
1962-630.00 0.00 0.00 0.00 6.00 2.00 0.00d0.00 0.00g0.00 0.00 0.00 8.00a
1963-640.00 0.00 0.00 0.00 0.00 0.00b0.00 0.00d0.00b0.00b0.00 0.00 0.00
1964-650.00 0.00 0.00 0.00 0.00d0.00b0.00c0.00c0.00f0.00 0.00 0.00 0.00a
1965-660.00 0.00 0.00 0.00 0.00a0.00f0.00f0.00c0.00 0.00a0.00 0.00 0.00b
1966-670.00 0.00 0.00 0.00 0.00 5.00 0.00b0.00 0.00c0.00 0.00 0.00 5.00
1967-680.00 0.00 0.00 0.00 0.00 0.00f0.00a0.00b0.00d0.00 0.00 0.00 0.00a
1968-690.00 0.00 0.00 0.00 0.00 0.00b0.00 0.00a12.00 0.00 0.00 0.00 12.00
1969-700.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 -----z0.00a0.00 0.00 0.00a
1970-710.00 0.00 0.00 2.00 0.00 0.00 4.00 -----z0.00b0.00 0.00 0.00 6.00a
1971-720.00 0.00 0.00 0.00b0.00b-----z-----z1.00 4.00 0.00 0.00 0.00 5.00b
1972-730.00 0.00 0.00 0.00a-----z-----z-----z-----z-----z-----z0.00 -----z0.00g
1973-74-----z-----z0.00 0.00 4.00 4.00 4.00 -----z-----z0.00 0.00 0.00 12.00d
1974-750.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z-----z0.00 0.00 0.00f
1975-760.00 0.00 0.00 0.00 14.00 0.50 -----z-----z-----z0.00 0.00 0.00 14.50c
1976-770.00 0.00 0.00 3.50 0.00c0.00 1.20 3.00 0.00 0.00b0.00 0.00 7.70
1977-780.00 0.00 0.00 0.00 0.00 -----z2.00 -----z-----z0.00 0.00 0.00 2.00c
1978-790.00 0.00 0.00 0.00 -----z-----z-----z0.00 -----z-----z0.00 0.00 0.00e
1979-800.00 0.00 0.00 -----z-----z-----z-----z-----z-----z-----z0.00 0.00 0.00g
1980-810.00 0.00 0.00 0.00 0.00a0.00 -----z-----z0.00 0.00 0.00 0.00 0.00b
1981-820.00 0.00 0.00 0.00 0.00 0.00 -----z7.00 0.50 0.00 0.00 0.00 7.50a
1982-830.00 0.00 0.00 0.00 0.00 3.00 0.00c0.00b0.00b0.00 0.00 0.00 3.00
1983-840.00 0.00 0.00 0.00 0.00b0.00d0.00d0.00e21.00 -----z0.00 0.00 21.00a
1984-850.00 0.00 0.00 0.00 0.00 5.50 7.20 -----z-----z0.00 0.00 0.00 12.70b
1985-860.00 0.00 0.00a0.00 3.80 5.10 0.00 0.00a0.00 0.00 0.00 0.00a8.90
1986-870.00 0.00 0.00 0.00 -----z0.00 0.00a0.00e-----z-----z0.00 0.00 0.00c
1987-880.00 0.00 0.00 0.00 0.00h-----z-----z-----z0.00b0.00 0.00 0.00 0.00d
1988-890.00 0.00 0.00 0.00 0.00 0.00a0.00c0.00c0.00 0.00 0.00 0.00 0.00
1989-900.00 0.00 0.00 0.00 0.00 0.00c7.00b0.00d0.00 0.00 0.00 0.00 7.00
1990-910.00 0.00 0.00 0.00 0.00b0.00b0.00 -----z0.00a0.00 0.00 0.00 0.00a
1991-920.00 0.00 0.00 0.00d0.00f0.00b0.00c0.00b0.00 0.00 0.00 0.00 0.00a
1992-930.00 0.00 0.00 0.00 -----z-----z-----z-----z0.00e0.00 0.00 0.00 0.00d
1993-940.00 0.00 0.00 0.00c0.00a0.00a0.80 0.00 0.00b1.50a0.00 0.00 2.30
1994-950.00 0.00 0.00 0.00 0.00 0.00b0.40d0.00d-----z-----z0.00 0.00 0.40b
1995-960.00 0.00 0.00a0.00 0.00 0.00a0.00 0.00b0.00c0.00b0.00 0.00 0.00
1996-970.00 0.00 0.00 0.00 0.00 0.00a0.00e0.00d0.00a0.00a0.00 0.00 0.00
1997-980.00 0.00 0.00 0.00d3.00 0.00b0.00 0.00 0.00a0.00 0.00 0.00 3.00
1998-990.00 0.00 0.00 0.00 0.00 0.00b0.00 0.00 0.00a0.00 0.00 0.00 0.00
1999-000.00 0.00 0.00 0.00 0.00a0.00 0.00b0.00 0.00a0.00 0.00 0.00 0.00
2000-010.00 0.00 0.00 0.00 0.00 0.00b0.00c0.00a2.00 0.00 0.00 0.00 2.00
2001-020.00 0.00 0.00 0.00 0.00 0.00a0.00a0.00a0.00 0.00 0.00 0.00 0.00
2002-030.00 0.00 0.00 0.00 0.00 0.00b0.00 1.20a0.00 0.00 0.00 0.00 1.20
2003-040.00 0.00 0.00 0.00 0.00 0.00b1.00 0.00d0.00 0.00 0.00 0.00 1.00
2004-050.00 0.00 0.00 0.00 1.50 0.80a4.60 0.00a0.00b0.00f0.00 0.00b6.90a
2005-060.00 0.00 0.00 0.00 0.00 0.00c0.00b0.00 0.00b0.00 0.00 0.00 0.00
2006-070.00 0.00 0.00 0.00 1.00 10.90c6.50e3.00b0.00 1.50 0.00 0.00 22.90
2007-080.00 0.00 0.00 0.00a0.00 1.50 1.60 5.00 0.20 0.00 0.00 0.00 8.30
2008-090.00 0.00 0.00 0.00 0.00 0.10 0.00 0.00 11.50 0.10 0.00 0.00 11.70
2009-100.00 0.00 0.00 0.30 5.50 4.80 4.00 2.50 6.00 0.00 0.00 0.00 23.10
2010-110.00 0.00 0.00 0.00 0.00 1.20 1.30 4.40 2.60 0.00 0.00 0.00 9.50
2011-120.00 0.00 0.00 0.00 0.00 14.90 0.00 0.00 2.00 0.00 0.00 0.00 16.90
2012-130.00 0.00 0.00 1.50 0.00 1.00 1.20 0.10 0.50a1.40 0.00 0.00 5.70
2013-140.00 0.00 0.00 0.00 2.50 0.00 4.10 11.00 1.00 1.20 0.00 0.00 19.80
2014-150.00 0.00 0.00 0.00 4.20 2.60 3.50 5.30 0.00 0.00 0.50 0.00 16.10
2015-160.00 0.00 0.00 0.00 1.50 2.50 0.00c7.50 0.00 0.00b0.00 0.00 11.50
2016-170.00 0.00b0.00 0.00 0.00 8.00 6.50 0.00 0.00 0.00 0.00 0.00 14.50
2017-180.00b0.00 0.00 0.00 0.00 0.00 1.40 0.00 0.00 0.00 0.00 0.00 1.40
2018-190.00a0.00 0.00 0.00 3.30 0.00 2.50 0.10c0.50 0.00 0.00 0.00 6.40
2019-200.00 0.00 0.00 3.10 1.90 0.00 1.00 1.90 0.00 0.50 0.00 0.00 8.40
2020-210.00 0.00 0.00 0.70 0.00 6.40 5.30 1.00c0.00 0.00 0.00 0.00 13.40
2021-220.00 0.00 0.00 0.00 0.00 0.00 0.50b3.70 3.50 0.00 0.00 0.00 7.70
2022-230.00 0.00 0.00 0.00 0.00 1.00 6.70 1.30 0.00 0.40 0.00 0.00 9.40
2023-240.00 0.00 0.00 0.00 0.00b1.10f1.60 3.50 1.00 0.00f-----z-----z6.10d
Period of Record Statistics
MEAN0.00 0.00 0.00 0.25 1.45 1.67 2.11 1.77 2.10 0.26 0.02 0.00 10.41
S.D.0.00 0.00 0.00 0.89 4.76 3.06 3.02 3.15 4.52 0.95 0.12 0.00 12.09
SKEW0.00 0.00 0.00 4.53 6.21 2.29 1.60 1.85 2.94 5.47 7.08 0.00 2.01
MAX0.00 0.00 0.00 6.00 37.40 14.90 12.50 11.70 22.00 7.00 1.00 0.00 52.00
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
YRS81 82 83 82 74 70 70 70 66 74 82 81 49