LOWER GRANITE DAM, WA

Total of Snowfall (Inches)

(454835)

File last updated on May 6, 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
1965-66-----z-----z-----z-----z-----z0.00 0.00 0.00 0.00 -----z0.00 -----z0.00g
1966-670.00 0.00 0.00 -----z0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00a
1967-680.00 0.00 0.00 0.00 0.00 1.40 0.00 0.00 0.00 0.00 0.00 0.00 1.40
1968-690.00 0.00 0.00 0.00 0.00 11.50 25.50 0.20 0.00 0.00 0.00 0.00 37.20
1969-700.00 0.00 0.00 0.00 0.00 2.50 7.00 0.00 2.70 0.00 0.00 0.00 12.20
1970-710.00 0.00 0.00 0.00 0.00 -----z-----z-----z-----z0.00 0.00 0.00 0.00d
1971-720.00 0.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z0.00 0.00 0.00e
1972-730.00 0.00 0.00 0.00 0.00 -----z-----z-----z0.00 0.00 0.00 0.00 0.00c
1973-740.00 0.00 0.00 0.00 -----z0.20 0.00 0.00 0.00 0.00 0.00 0.00 0.20a
1974-750.00 0.00 0.00 0.00 0.00 -----z-----z-----z0.00 0.00 0.00 0.00 0.00c
1975-760.00 0.00 0.00 0.00 -----z-----z-----z-----z-----z-----z-----z-----z0.00h
Period of Record Statistics
MEAN0.00 0.00 0.00 0.00 0.00 2.60 5.42 0.03 0.34 0.00 0.00 0.00 16.93
S.D.0.00 0.00 0.00 0.00 0.00 4.47 10.23 0.08 0.95 0.00 0.00 0.00 18.36
SKEW0.00 0.00 0.00 0.00 0.00 1.60 1.53 1.79 2.27 0.00 0.00 0.00 0.44
MAX0.00 0.00 0.00 0.00 0.00 11.50 25.50 0.20 2.70 0.00 0.00 0.00 37.20
MIN0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.40
YRS10 10 10 9 8 6 6 6 8 8 10 9 3