CEDAR FALLS HYDRO PLT,

Monthly Total Snowfall (Inches)

(471308)

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1947-48 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00
1948-49 0.00 0.00 0.00 0.00 1.50 a 2.90 7.80 4.50 2.00 0.00 z 0.00 0.00 18.70
1949-50 0.00 0.00 0.00 0.00 1.00 a 9.80 19.20 9.00 7.00 a 3.00 0.00 0.00 49.00
1950-51 0.00 0.00 0.00 0.00 1.60 29.70 6.30 5.00 41.00 c 1.00 0.00 0.00 84.60
1951-52 0.00 0.00 0.00 0.00 6.50 14.00 9.00 10.00 14.10 3.50 b 0.00 0.00 57.10
1952-53 0.00 0.00 0.00 0.00 4.00 3.20 a 0.90 19.00 4.50 0.00 0.00 0.00 31.60
1953-54 0.00 0.00 0.00 0.00 0.00 b 2.30 a 6.00 0.00 z 10.00 c 0.00 0.00 a 0.00 18.30
1954-55 0.00 0.00 0.00 0.00 0.50 a 9.30 6.50 3.50 4.80 0.00 0.00 0.00 24.60
1955-56 0.00 0.00 0.00 0.00 2.00 f 14.40 a 4.10 1.80 a 21.60 0.00 a 0.00 0.00 41.90
1956-57 0.00 0.00 0.00 0.00 8.00 3.30 a 4.20 6.00 a 3.40 0.00 b 0.00 0.00 24.90
1957-58 0.00 a 0.00 0.00 0.00 11.50 a 5.90 2.00 b 0.50 0.00 z 0.00 0.00 0.00 19.90
1958-59 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 8.00 7.00 b 0.00 0.00 0.00 15.00
1959-60 0.00 0.00 0.00 0.00 z 5.50 b 5.00 a 2.00 b 6.00 1.00 c 0.00 0.00 0.00 19.50
1960-61 0.00 0.00 0.00 0.00 1.50 0.50 2.30 10.00 12.00 2.40 0.00 0.00 28.70
1961-62 0.00 0.00 0.00 0.00 3.40 14.00 9.60 13.50 b 15.20 5.00 0.00 0.00 60.70
1962-63 0.00 0.00 0.00 0.20 0.00 a 5.50 6.20 5.20 9.80 0.00 0.00 0.00 26.90
1963-64 0.00 0.00 0.00 0.00 0.00 10.80 6.00 0.20 6.50 1.20 0.00 0.00 24.70
1964-65 0.00 0.00 0.00 0.00 3.50 6.80 7.20 11.10 22.20 5.50 0.00 0.00 56.30
1965-66 0.00 0.00 0.00 0.00 1.00 3.00 10.40 2.30 11.60 0.10 0.00 0.00 28.40
1966-67 0.00 0.00 0.00 0.00 3.50 11.30 30.30 16.40 2.00 0.00 0.00 0.00 63.50
1967-68 0.00 0.00 0.00 0.00 2.00 1.70 10.10 1.60 0.00 0.10 0.00 0.00 15.50
1968-69 0.00 0.00 0.00 0.00 4.20 29.80 31.00 2.30 4.70 0.00 0.00 0.00 72.00
1969-70 0.00 0.00 0.00 0.00 7.00 27.30 9.30 0.40 b 3.50 b 0.00 a 0.00 0.00 47.50
1970-71 0.00 0.00 0.00 0.00 0.00 z 7.20 23.00 20.50 4.10 1.00 0.00 0.00 55.80
1971-72 0.00 0.00 0.00 0.00 9.00 14.00 e 16.00 8.00 6.00 b 1.00 0.00 0.00 54.00
1972-73 0.00 0.00 0.00 0.00 0.00 15.00 a 7.00 10.00 0.00 1.50 0.00 0.00 33.50
1973-74 0.00 0.00 0.00 0.00 0.00 9.00 b 0.00 z 9.80 14.00 4.00 0.00 0.00 36.80
1974-75 0.00 0.00 0.00 0.00 0.00 z 3.00 17.00 8.80 19.50 b 0.00 0.00 0.00 48.30
1975-76 0.00 0.00 0.00 0.00 5.00 3.50 16.00 5.00 8.00 0.00 0.00 0.00 37.50
1976-77 0.00 0.00 0.00 2.00 0.00 z 6.70 10.20 b 2.00 16.50 0.50 0.00 0.00 37.90
1977-78 0.00 0.00 0.00 0.00 8.00 d 9.50 a 8.20 1.50 c 0.00 z 0.00 z 0.00 0.00 27.20
1978-79 0.00 0.00 0.00 0.00 9.80 0.00 z 13.50 8.50 d 5.00 b 0.00 0.00 0.00 36.80
1979-80 0.00 0.00 0.00 0.00 3.00 b 0.00 z 15.00 6.50 6.50 3.50 0.00 0.00 34.50
1980-81 0.00 0.00 0.00 0.00 0.50 4.00 0.50 a 7.50 a 0.00 0.00 0.00 0.00 12.50
1981-82 0.00 0.00 0.00 0.00 a 6.00 7.00 31.50 a 6.00 7.50 0.00 z 0.00 0.00 58.00
1982-83 0.00 0.00 0.00 0.00 2.00 6.50 8.00 12.50 a 13.00 a 7.00 0.00 0.00 49.00
1983-84 0.00 0.00 0.00 0.00 13.00 10.50 a 8.50 a 2.80 19.00 0.00 0.00 0.00 53.80
1984-85 0.00 0.00 0.00 0.00 1.00 24.00 1.00 b 4.00 a 11.00 a 7.00 0.00 0.00 48.00
1985-86 0.00 0.00 0.00 0.00 13.00 c 19.10 b 6.90 a 12.50 0.00 z 0.00 0.00 0.00 51.50
1986-87 0.00 0.00 0.00 0.00 7.00 3.20 a 1.00 b 0.00 a 1.00 b 0.00 0.00 0.00 12.20
1987-88 0.00 0.00 0.00 0.00 0.00 a 0.00 z 7.00 a 5.00 0.00 c 0.00 0.00 0.00 12.00
1988-89 0.00 0.00 0.00 0.00 0.00 1.00 a 5.80 9.50 18.20 0.00 0.00 h 0.00 34.50
1989-90 0.00 0.00 0.00 0.00 0.00 0.00 g 0.00 b 0.00 d 0.00 0.00 a 0.00 0.00 0.00
1990-91 0.00 z 0.00 0.00 0.00 0.00 0.40 g 2.50 5.20 a 4.50 a 0.00 a 0.00 0.00 12.20
1991-92 0.00 0.00 0.00 0.00 16.70 a 4.50 6.50 a 5.90 12.00 a 0.00 a 0.00 0.00 45.60
1992-93 0.00 0.00 0.00 0.00 a 0.00 9.20 3.80 c 4.10 3.50 2.00 0.00 0.00 22.60
1993-94 0.00 0.00 0.00 0.00 a 9.00 a 3.30 27.00 8.00 0.00 d 0.00 a 0.00 0.00 47.30
1994-95 0.00 0.00 0.00 0.00 8.00 6.50 1.00 a 3.00 5.00 a 0.00 0.00 0.00 23.50
1995-96 0.00 0.00 0.00 0.00 5.70 10.20 20.50 0.00 b 20.00 0.00 b 0.00 0.00 56.40
1996-97 0.00 0.00 0.00 0.00 9.00 28.00 18.00 1.30 a 16.80 a 0.00 b 0.00 0.00 73.10
1997-98 0.00 0.00 0.00 0.00 0.00 b 4.00 13.50 1.50 8.00 0.00 0.00 0.00 27.00
1998-99 0.00 0.00 0.00 0.00 0.00 4.00 21.50 f 5.50 6.00 0.00 0.00 0.00 15.50
1999-00 0.00 0.00 0.00 0.00 0.00 5.50 d 16.00 9.00 0.00 0.00 0.00 0.00 30.50
2000-01 0.00 0.00 0.00 0.00 6.00 18.00 h 7.30 9.00 9.00 0.00 0.00 0.00 31.30
2001-02 0.00 0.00 0.00 0.00 2.00 3.00 7.00 7.50 11.00 9.50 0.00 0.00 40.00
2002-03 0.00 0.00 0.00 2.00 0.00 1.00 1.00 8.00 9.00 0.00 b 0.00 0.00 21.00
2003-04 0.00 0.00 j 0.00 0.00 i 2.00 13.90 8.00 e 21.70 d 18.20 0.00 0.00 j 0.00 h 63.80
2004-05 0.00 l 0.00 o 0.00 i 0.00 1.00 i 2.70 k 10.50 k 12.20 g 9.10 j 0.00 0.00 0.00 0.00
2005-06 0.00 0.00 0.00 0.00 f 0.50 b 14.00 i 2.60 k 1.60 h 13.00 i 0.00 0.00 g 0.00 0.50
2006-07 0.00 0.00 k 0.00 0.00 4.00 j 0.50 a 4.80 a 10.10 b 14.70 2.50 0.00 0.00 32.60
2007-08 0.00 0.00 0.00 0.00 0.00 0.00 n 2.50 d 3.00 g 5.80 k 0.00 z 0.00 0.00 2.50
2008-09 0.00 0.00 0.00 0.00 d 2.50 l 22.90 j 0.50 g 11.70 g 1.20 4.00 b 0.00 a 0.00 5.20
2009-10 0.00 0.00 0.00 2.50 h 0.00 d 8.00 k 1.50 h 3.00 g 0.00 0.00 d 0.00 0.00 0.00
2010-11 0.00 a 0.00 0.00 0.00 0.00 i 25.50 l 7.70 u 15.30 x 6.30 y 0.30 z 0.00 z 0.00 z 0.00
2011-12 0.00 z 0.00 z 0.00 z 0.00 z 2.30 z 5.00 l 6.60 o 6.30 h 0.80 t 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 0.00 0.07 3.75 8.95 9.56 6.72 8.79 1.13 0.00 0.00 40.69
S.D. 0.00 0.00 0.00 0.37 4.18 7.71 7.97 5.06 7.80 2.13 0.00 0.00 18.45
SKEW 0.00 0.00 0.00 5.11 1.09 1.40 1.24 0.97 1.42 2.14 0.00 0.00 0.42
MAX 0.00 0.00 0.00 2.00 16.70 29.80 31.50 21.70 41.00 9.50 0.00 0.00 84.60
MIN 0.00 0.00 0.00 0.00 0.00 0.50 0.00 0.00 0.00 0.00 0.00 0.00 12.20
NO YRS 61 60 62 59 54 50 55 56 56 58 59 62 34