PETRIFIED FOREST NP,

Monthly Total Snowfall (Inches)

(026468)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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) JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN ANN
1930-31 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.00 0.00 0.00 0.00 0.00 0.00 2.00
1931-32 0.00 z 0.00 z 0.00 0.00 20.00 3.00 4.00 1.00 0.50 0.00 0.00 0.00 28.50
1932-33 0.00 0.00 0.00 z 0.00 0.00 18.30 x 3.00 z 1.00 0.00 z 1.00 0.00 0.00 z 2.00
1933-34 0.00 z 0.00 z 0.00 z 0.00 z 0.00 2.00 0.00 4.00 0.00 z 2.00 0.00 0.00 z 8.00
1934-35 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 z 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00
1935-36 0.00 z 0.00 z 0.00 z 0.00 z 2.50 1.00 2.00 0.00 8.00 1.00 0.00 0.00 z 14.50
1936-37 0.00 z 0.00 z 0.00 0.00 z 0.00 z 1.10 11.00 2.00 0.00 0.00 0.00 z 0.00 z 14.10
1937-38 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 4.00 1.00 0.00 0.00 0.00 z 5.00
1938-39 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 3.00 z 4.00 1.00 0.00 0.00 z 0.00 z 5.00
1939-40 0.00 z 0.00 z 0.00 z 0.00 0.00 0.80 1.00 3.30 v 0.00 0.00 0.00 z 0.00 1.80
1940-41 0.00 0.00 0.00 0.00 2.00 0.00 z 1.30 0.00 3.00 4.00 0.00 z 0.00 z 10.30
1941-42 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 2.00 0.00 0.00 0.00 0.00 z 0.00 z 2.00
1942-43 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 1.00 0.00 0.00 y 0.00 0.00 z 0.00 z 1.00
1943-44 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.00 0.00 2.50 5.00 2.10 0.00 0.00 12.60
1944-45 0.00 0.00 0.00 0.00 1.00 2.00 2.00 0.00 0.30 0.00 0.00 0.00 5.30
1945-46 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.00 4.70 0.00 3.00 0.00 0.00 0.00 12.70
1946-47 0.00 0.00 0.00 0.00 0.00 0.00 2.00 0.00 z 0.00 0.00 0.00 z 0.00 z 2.00
1947-48 0.00 z 0.00 z 0.00 z 0.00 z 0.50 0.80 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.30
1948-49 0.00 0.00 0.00 0.00 0.00 0.00 4.40 2.20 0.50 0.00 0.00 0.00 7.10
1949-50 0.00 0.00 0.00 2.00 c 0.00 1.00 1.50 0.00 0.00 0.00 0.00 0.00 4.50
1950-51 0.00 0.00 0.00 0.00 0.00 0.00 9.80 3.00 1.50 0.00 0.00 d 0.00 14.30
1951-52 0.00 0.00 0.00 0.00 0.00 1.00 1.00 0.00 1.30 0.00 0.00 0.00 3.30
1952-53 0.00 0.00 0.00 0.00 17.30 0.00 0.00 0.00 5.00 0.00 0.00 0.00 22.30
1953-54 0.00 0.00 0.00 f 0.00 c 2.50 2.80 1.80 f 0.00 2.50 0.00 0.00 0.00 7.80
1954-55 0.00 0.00 0.00 0.00 0.00 1.00 2.90 2.30 0.00 0.00 0.00 0.00 6.20
1955-56 0.00 0.00 0.00 0.00 0.00 2.50 2.00 10.00 0.00 2.00 0.00 0.00 16.50
1956-57 0.00 0.00 0.00 0.00 2.30 0.00 b 1.70 0.00 0.00 0.10 0.00 0.00 4.10
1957-58 0.00 0.00 e 0.00 0.00 0.00 0.00 a 0.00 0.00 3.50 0.00 0.00 0.00 3.50
1958-59 0.00 0.00 0.00 0.00 3.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.00
1959-60 0.00 0.00 0.00 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 1.00
1960-61 0.00 0.00 0.00 0.00 0.00 12.00 0.00 0.00 d 2.20 0.00 0.00 0.00 14.20
1961-62 0.00 0.00 0.00 0.10 b 3.50 2.60 1.80 1.50 0.00 0.00 0.00 0.00 9.50
1962-63 0.00 0.00 0.00 0.00 0.50 0.30 2.00 4.30 5.00 0.00 0.00 0.00 12.10
1963-64 0.00 0.00 0.00 0.00 0.00 3.00 1.30 0.80 3.00 0.00 0.00 0.00 8.10
1964-65 0.00 0.00 0.00 0.00 3.00 6.30 4.50 5.30 3.50 0.00 0.00 0.00 22.60
1965-66 0.00 0.00 0.00 0.00 0.00 4.30 2.50 10.00 0.50 2.50 0.00 0.00 19.80
1966-67 0.00 0.00 0.00 0.00 1.00 2.10 0.00 0.00 2.00 1.50 0.00 0.00 6.60
1967-68 0.00 0.00 0.00 0.00 4.00 21.80 2.00 0.00 1.00 2.00 0.00 0.00 30.80
1968-69 0.00 0.00 0.00 0.00 0.00 6.30 0.00 1.60 5.00 0.00 0.00 0.00 12.90
1969-70 0.00 0.00 0.00 0.00 0.00 1.80 0.00 0.00 1.00 0.00 0.00 0.00 2.80
1970-71 0.00 0.00 0.00 0.00 0.00 1.00 5.50 1.50 1.00 0.00 0.00 0.00 9.00
1971-72 0.00 0.00 0.00 0.00 0.00 z 8.50 1.00 0.00 0.00 0.00 0.00 0.00 9.50
1972-73 0.00 0.00 0.00 0.00 3.00 2.00 0.00 a 7.00 1.50 5.00 0.00 0.00 18.50
1973-74 0.00 0.00 0.00 0.00 0.00 0.00 11.00 1.50 0.50 0.00 0.00 0.00 13.00
1974-75 0.00 0.00 0.00 0.30 0.00 0.50 3.50 5.40 4.00 3.50 0.00 0.00 17.20
1975-76 0.00 0.00 0.00 0.00 4.50 4.00 0.00 0.00 1.10 2.20 0.00 0.00 11.80
1976-77 0.00 0.00 0.00 0.00 4.00 3.30 8.50 3.00 0.50 6.50 0.00 0.00 25.80
1977-78 0.00 0.00 0.00 0.00 0.00 0.00 5.50 2.00 0.00 0.00 0.00 0.00 7.50
1978-79 0.00 0.00 0.00 0.00 0.00 5.20 3.50 0.00 0.00 0.00 0.00 0.00 8.70
1979-80 0.00 0.00 0.00 0.00 b 0.00 2.50 1.80 0.00 1.60 0.00 0.00 0.00 5.90
1980-81 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.90 0.00 0.00 0.00 1.90
1981-82 0.00 0.00 0.00 0.00 0.00 0.00 7.20 2.10 0.00 0.00 0.00 0.00 9.30
1982-83 0.00 0.00 0.00 0.00 0.00 4.60 1.00 0.30 0.00 0.00 0.00 0.00 5.90
1983-84 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00 0.00 0.00
1984-85 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 0.00 0.00
1985-86 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 0.00 0.00 0.00 0.00
1986-87 0.00 0.00 0.00 0.00 0.00 5.00 10.00 a 0.50 0.00 0.00 0.00 0.00 15.50
1987-88 0.00 0.00 0.00 0.00 0.00 2.00 b 0.00 0.00 0.00 0.00 a 0.00 0.00 2.00
1988-89 0.00 0.00 0.00 0.00 5.50 0.80 3.60 1.50 0.00 0.00 0.00 0.00 11.40
1989-90 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.00 h 1.20 0.00 0.00 0.00 1.20
1990-91 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 0.00 0.00 a 0.00 0.00 0.00 0.00
1991-92 0.00 0.00 0.00 0.10 0.00 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00 0.10
1992-93 0.00 0.00 0.00 0.00 2.00 8.50 0.50 0.00 1.00 0.00 0.00 0.00 12.00
1993-94 0.00 0.00 0.00 0.00 0.00 0.00 0.30 0.00 0.00 0.00 0.00 0.00 0.30
1994-95 0.00 0.00 0.00 0.00 4.50 2.00 a 0.00 0.00 0.00 0.00 0.30 0.00 6.80
1995-96 0.00 0.00 0.00 0.00 0.00 0.00 n 0.00 g 0.10 0.50 0.00 0.00 0.00 0.60
1996-97 0.00 0.00 0.00 0.00 0.00 0.00 0.00 b 0.00 e 0.00 0.00 a 0.00 0.00 0.00
1997-98 0.00 0.00 0.00 0.00 a 0.00 8.00 b 0.00 0.00 a 1.00 0.00 0.00 0.00 9.00
1998-99 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 a 0.00 0.00 0.00 0.00 0.00 0.00
1999-00 0.00 0.00 0.00 a 0.00 0.00 0.00 0.00 0.00 1.00 0.00 0.00 0.00 1.00
2000-01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2001-02 0.00 0.00 0.00 0.00 0.00 0.80 4.00 a 0.00 0.00 0.00 0.00 0.00 4.80
2002-03 0.00 0.00 0.00 0.00 0.00 3.50 d 0.00 0.00 0.00 0.00 0.00 0.00 3.50
2003-04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
2004-05 0.00 0.00 0.00 0.00 0.00 a 1.50 0.00 c 0.00 a 0.00 0.00 0.00 0.00 1.50
2005-06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13.00 0.00 0.00 0.00 13.00
2006-07 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 a 0.00 0.00
2007-08 0.00 0.00 0.00 0.00 0.00 1.50 a 4.00 6.00 0.00 0.00 0.00 0.00 11.50
2008-09 0.00 0.00 0.00 0.00 0.00 0.50 4.00 1.00 1.00 0.00 0.00 0.00 6.50
2009-10 0.00 0.00 z 0.00 4.00 0.00 1.50 7.00 0.00 0.50 c 0.00 0.00 0.00 13.00
2010-11 0.00 0.00 0.00 0.00 0.50 1.00 a 0.50 z 0.80 w 0.00 z 0.00 0.00 z 0.00 z 1.50
2011-12 0.00 z 0.00 z 0.00 z 0.00 z 0.00 n 2.80 c 0.00 1.30 0.00 a 0.00 0.00 z 0.00 4.10
2012-13 0.00 z 0.00 z 0.00 z 0.00 k 0.00 e 0.70 j 0.00 f 1.60 f 0.00 b 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.09 1.15 2.11 2.04 1.24 1.16 0.44 0.00 0.00 8.43
S.D. 0.00 0.00 0.00 0.54 3.20 3.36 2.82 2.20 2.09 1.18 0.04 0.00 7.24
SKEW 0.00 0.00 0.00 6.41 4.52 3.34 1.70 2.31 3.17 3.18 8.25 0.00 0.95
MAX 0.00 0.00 0.00 4.00 20.00 21.80 11.00 10.00 13.00 6.50 0.30 0.00 30.80
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
NO YRS 67 66 67 69 76 75 75 75 78 81 71 69 55