SNOQUALMIE PASS, ta

Monthly Total Snowfall (Inches)

(457781)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197202
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
1909-10 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 9.40 25.20 4.00 0.00 z 0.00 z 0.00 z 38.60
1910-11 0.00 z 0.00 z 0.00 z 0.00 z 48.00 66.00 137.00 102.00 22.50 36.00 0.00 z 0.00 z 411.50
1911-12 0.00 z 0.00 z 0.00 z 0.00 z 84.50 112.50 96.00 0.00 z 61.00 21.00 0.00 m 0.00 z 375.00
1912-13 0.00 z 0.00 z 0.00 z 21.00 71.00 177.00 185.00 41.00 51.00 30.00 0.00 0.00 z 576.00
1913-14 0.00 z 0.00 z 0.00 z 0.00 z 45.00 38.00 165.00 58.00 47.00 15.00 0.00 z 0.00 z 368.00
1914-15 0.00 z 0.00 z 0.00 z 0.00 z 38.00 58.00 0.00 z 51.00 1.00 0.00 0.00 z 0.00 z 148.00
1915-16 0.00 z 0.00 z 0.00 z 0.00 z 131.00 109.00 87.00 131.00 133.00 19.00 10.00 2.00 622.00
1916-17 0.00 z 0.00 z 0.00 12.50 44.40 n 0.00 z 89.00 43.00 101.00 23.00 1.00 5.00 274.50
1917-18 0.00 0.00 0.00 2.00 24.00 10.10 93.00 102.00 23.00 22.00 18.00 0.00 z 294.10
1918-19 0.00 z 0.00 z 0.00 2.00 32.00 50.00 72.00 131.00 j 115.00 16.00 12.00 0.00 z 299.00
1919-20 0.00 z 0.00 0.00 z 13.00 43.00 w 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 13.00
1920-21 0.00 z 0.00 z 0.00 8.00 22.80 v 116.50 124.00 42.00 63.00 14.60 0.00 0.00 368.10
1921-22 0.00 z 0.00 z 0.00 3.00 80.00 27.00 80.00 103.00 89.00 27.00 4.00 b 0.00 413.00
1922-23 0.00 0.00 0.00 2.00 9.00 103.00 85.00 35.00 32.00 10.00 8.00 0.00 z 284.00
1923-24 0.00 0.00 z 0.00 z 1.00 z 18.00 101.00 75.00 28.00 27.00 10.00 y 0.00 z 2.00 z 249.00
1924-25 0.00 z 0.00 z 0.00 z 10.00 65.00 r 61.00 125.00 51.00 19.00 1.50 z 8.00 0.00 z 274.00
1925-26 0.00 z 0.00 z 0.00 z 0.00 z 34.50 40.50 60.20 q 70.00 0.00 10.00 1.00 0.00 z 156.00
1926-27 0.00 z 0.00 z 0.00 0.00 18.50 68.00 114.00 92.00 84.00 51.50 14.00 0.00 z 442.00
1927-28 0.00 z 0.00 z 0.00 z 19.50 78.00 i 87.50 37.00 16.00 80.00 39.00 5.00 0.00 z 284.00
1928-29 0.00 z 0.00 z 0.00 z 2.50 z 24.00 0.00 z 0.00 z 0.00 z 0.00 z 54.00 p 0.00 z 0.00 z 24.00
1929-30 0.00 z 0.00 z 0.00 z 2.00 z 0.00 z 57.50 w 0.00 z 0.00 z 0.00 z 0.00 x 9.00 w 0.00 z 0.00
1930-31 0.00 0.00 z 0.00 z 18.00 49.00 41.00 o 80.00 46.00 56.00 23.00 3.00 0.00 275.00
1931-32 0.00 0.00 0.00 11.00 82.00 96.00 117.00 83.00 82.00 26.00 0.00 0.00 497.00
1932-33 0.00 0.00 0.00 9.50 38.00 118.00 134.00 119.00 82.00 15.00 8.00 2.00 525.50
1933-34 0.00 0.00 5.00 8.00 0.00 154.00 80.00 8.00 15.00 19.00 0.00 o 0.00 e 289.00
1934-35 0.00 j 0.00 e 0.00 h 0.00 k 41.00 134.50 81.00 53.00 96.00 23.00 11.00 0.00 439.50
1935-36 0.00 0.00 z 0.00 8.50 29.00 73.50 124.50 144.00 107.00 5.00 2.50 0.00 d 494.00
1936-37 0.00 0.00 4.00 e 0.00 a 0.00 z 71.90 98.50 190.50 23.90 62.00 0.00 0.00 450.80
1937-38 0.00 a 0.00 a 0.00 0.00 45.50 140.50 70.00 60.70 110.50 2.00 9.50 0.00 438.70
1938-39 0.00 0.00 0.00 0.00 57.00 74.00 112.00 129.00 83.00 8.50 2.00 0.00 465.50
1939-40 0.00 0.00 0.00 7.50 6.00 46.00 53.00 112.50 38.00 6.50 7.00 0.00 276.50
1940-41 0.00 0.00 0.00 1.00 49.50 45.50 73.80 21.50 2.00 2.00 0.80 0.00 196.10
1941-42 0.00 0.00 0.00 0.00 1.50 65.50 25.50 45.50 25.00 5.50 3.50 0.00 172.00
1942-43 0.00 0.00 0.00 11.10 69.50 98.90 31.00 a 0.00 75.00 5.60 30.30 0.00 321.40
1943-44 0.00 0.00 0.00 19.00 c 16.00 31.50 84.00 53.50 71.10 27.70 7.00 0.00 309.80
1944-45 0.00 0.00 0.00 0.00 32.00 25.70 24.50 47.00 a 91.60 0.00 z 0.00 0.00 c 220.80
1945-46 0.00 m 0.00 z 0.00 n 0.50 l 36.80 k 0.00 z 51.90 d 64.90 d 34.50 b 17.30 b 0.00 e 0.00 a 168.60
1946-47 0.00 d 0.00 d 0.00 d 14.30 b 66.70 d 36.60 e 57.30 2.00 i 33.00 d 31.50 a 0.00 f 0.00 239.40
1947-48 0.00 e 0.00 j 0.00 e 6.00 59.00 b 74.00 a 95.00 102.50 c 45.00 f 39.00 0.50 a 0.00 376.00
1948-49 0.00 0.00 0.00 5.50 114.00 112.50 i 26.20 e 90.50 h 25.50 6.50 7.50 0.00 185.20
1949-50 0.00 0.00 0.00 0.00 d 6.50 114.60 S 227.00 113.00 123.00 c 61.00 4.00 0.00 649.10
1950-51 0.00 0.00 0.00 2.00 f 0.00 u 0.00 z 0.00 z 41.00 o 74.00 m 0.00 0.00 z 0.00 z 0.00
1951-52 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 z 0.00
1952-53 0.00 z 0.00 z 0.00 z 0.00 2.00 b 99.50 101.50 81.50 73.00 55.00 a 11.00 1.00 424.50
1953-54 0.00 0.00 0.00 0.00 30.00 125.00 251.00 146.00 55.00 52.00 0.00 1.00 660.00
1954-55 0.00 0.00 0.00 0.00 0.00 r 105.00 65.00 101.00 222.00 87.40 18.00 0.00 598.40
1955-56 3.00 0.00 0.00 7.00 107.00 157.00 198.00 166.00 150.00 9.00 3.00 0.00 800.00
1956-57 0.00 0.00 0.00 44.00 62.00 29.40 124.00 129.00 134.00 8.30 0.00 0.00 530.70
1957-58 0.00 0.00 0.00 12.00 33.00 151.00 112.00 24.00 38.00 25.00 0.00 0.00 395.00
1958-59 0.00 0.00 0.00 1.00 81.00 21.00 104.00 64.00 121.00 18.00 11.00 0.00 421.00
1959-60 0.00 0.00 0.00 3.00 22.20 57.00 83.00 83.00 144.00 78.00 0.00 0.00 470.20
1960-61 0.00 0.00 0.00 5.00 27.00 f 49.50 91.80 114.30 81.00 41.00 2.00 0.00 384.60
1961-62 0.00 0.00 0.00 28.00 40.30 128.60 36.70 24.00 116.00 28.50 0.00 0.00 402.10
1962-63 0.00 0.00 0.00 3.00 0.00 z 39.00 25.00 32.00 77.80 11.00 7.00 0.00 194.80
1963-64 0.00 0.00 0.00 2.00 45.00 67.00 265.00 80.00 149.00 43.00 12.00 0.00 663.00
1964-65 0.00 0.00 0.00 0.00 98.00 152.50 155.50 92.00 22.00 1.00 15.00 0.00 536.00
1965-66 0.00 0.00 0.00 0.00 25.70 79.50 124.00 112.00 95.00 17.00 0.00 0.00 453.20
1966-67 0.00 0.00 0.00 22.00 24.00 82.00 136.00 95.00 101.00 31.00 2.00 0.00 493.00
1967-68 0.00 0.00 0.00 0.00 0.00 z 74.00 d 130.50 44.00 0.00 z 44.50 5.00 0.00 298.00
1968-69 0.00 0.00 0.00 0.00 z 44.00 196.70 253.80 90.00 27.60 25.00 2.00 0.00 639.10
1969-70 0.00 0.00 0.00 0.00 4.00 0.00 z 149.50 69.00 27.00 71.00 0.00 0.00 320.50
1970-71 0.00 0.00 0.00 0.00 z 52.00 158.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 210.00
1971-72 0.00 z 0.00 z 0.00 z 0.00 z 50.50 e 122.00 117.50 58.90 b 0.00 z 0.00 z 0.00 z 0.00 z 348.90
Period of Record Statistics
MEAN 0.08 0.00 0.21 7.38 44.59 86.91 104.43 75.27 69.63 25.77 5.53 0.26 460.75
S.D. 0.47 0.00 0.97 9.14 30.67 44.73 57.85 42.25 47.00 20.68 6.34 0.89 156.18
SKEW 6.08 0.00 4.40 1.82 0.78 0.40 0.95 0.47 0.66 1.08 1.59 4.17 0.10
MAX 3.00 0.00 5.00 44.00 131.00 196.70 265.00 190.50 222.00 87.40 30.30 5.00 800.00
MIN 0.00 0.00 0.00 0.00 0.00 10.10 9.40 0.00 0.00 0.00 0.00 0.00 172.00
NO YRS 40 38 43 46 48 52 55 53 54 53 48 42 21