FORT LEWIS, CO

Minimum of Minimum Temperature (Degrees Fahrenheit)

(053016)

File last updated on March 29, 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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1915-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1916-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1917-----z-----z-----z-----z-----z-----z44.00t38.00 24.00 3.00j12.00b-2.00d-----z
1918-9.00c-5.00a8.00b15.00c28.00 32.00b41.00g40.00 28.00b15.00a-5.00c-11.00a-11.00y
1919-22.00 -11.00 -0.00a13.00f20.00c35.00h48.00g-----z30.00g13.00f-2.00e-13.00g-----z
19202.00a-----z-----z-----z32.00e35.00l-----z32.00a30.00 7.00 12.00l-----z-----z
19211.00 1.00 12.00 1.00 17.00a32.00 35.00 45.00a31.00 13.00b7.00a-5.00 -5.00e
1922-11.00 -16.00 2.00 10.00c19.00b35.00 43.00a46.00a36.00b8.00 6.00 -2.00 -16.00i
1923-5.00 -6.00b-3.00 16.00 21.00a28.00a45.00 39.00 21.00 14.00 5.00a-14.00 -14.00e
1924-17.00 -1.00 -6.00 6.00 24.00 27.00 36.00 36.00 17.00 15.00 3.00 -22.00 -22.00
1925-18.00 -9.00 -0.00 16.00a26.00 27.00 41.00 37.00 26.00 17.00 4.00 -4.00a-18.00b
1926-8.00 -1.00 14.00p27.00c28.00 32.00 39.00 42.00 32.00 21.00 11.00 -13.00a-13.00t
19278.00 5.00 -3.00 9.00 24.00 28.00 39.00 39.00 29.00a19.00 6.00 -19.00 -19.00a
1928-10.00 -1.00 6.00 6.00 22.00 30.00 31.00 39.00 30.00 22.00 -1.00 -12.00 -12.00
1929-11.00 -2.00j-10.00 8.00 19.00 31.00 40.00 44.00 28.00 15.00 2.00 -4.00 -11.00j
1930-18.00 1.00a-6.00 21.00 19.00i26.00 45.00 41.00 26.00 18.00 -0.00 -7.00 -18.00j
1931-4.00 6.00 -3.00 12.00 18.00 35.00 39.00 39.00 28.00 16.00 -15.00 -20.00 -20.00
1932-22.00 -7.00 -0.00 17.00 23.00 28.00 44.00 38.00 33.00 15.00 7.00 -15.00 -22.00
1933-10.00 -32.00 4.00 6.00 14.00 29.00 40.00 40.00 33.00 26.00 11.00 -9.00 -32.00
1934-0.00 7.00 11.00 15.00 24.00 27.00 43.00 44.00 24.00 20.00 -2.00 -1.00 -2.00
1935-19.00 -8.00 -12.00 20.00 20.00 28.00 34.00 44.00 31.00 10.00 7.00 -0.00 -19.00
1936-4.00 -9.00 2.00 14.00 24.00 25.00 42.00 41.00 25.00 24.00 8.00a-0.00 -9.00a
1937-21.00c-11.00 7.00 14.00 26.00 26.00a43.00b43.00 28.00 21.00 7.00 5.00 -21.00f
1938-5.00 -5.00a3.00 2.00 22.00 35.00 40.00a34.00 34.00 20.00 -2.00 2.00 -5.00b
1939-5.00 -18.00 -9.00 14.00 19.00 25.00 40.00 42.00 31.00 17.00 15.00 -10.00a-18.00a
1940-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1941-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1942-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1943-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1944-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1945-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1946-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1947-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1948-----z-----z-----z-----z-----z-----z-----z35.00a30.00 7.00 -0.00 -9.00 -----z
1949-20.00 -19.00 6.00 12.00 23.00 27.00 42.00 35.00a29.00 4.00 8.00 -16.00 -20.00a
1950-15.00 -5.00 -4.00 8.00 18.00d24.00b39.00 37.00 29.00 23.00 -3.00 -0.00 -15.00f
1951-8.00 -25.00 -2.00 9.00 15.00 24.00a35.00 38.00 21.00 17.00 4.00 -13.00 -25.00a
1952-13.00 -13.00 -10.00 16.00 24.00 32.00 40.00 36.00 25.00 19.00 -15.00 -8.00b-15.00b
1953-3.00 -11.00 -12.00 -4.00 11.00b27.00 42.00 35.00 25.00 15.00 -3.00 -13.00b-13.00d
1954-5.00 -1.00 2.00b14.00 15.00 16.00a41.00 35.00 32.00 16.00 10.00 -6.00 -6.00c
1955-16.00 -20.00 -2.00 5.00 18.00 26.00a33.00 38.00b28.00b12.00 -9.00 -8.00 -20.00e
1956-4.00 -13.00 -4.00 14.00a19.00a32.00 39.00 33.00a34.00 7.00 -1.00a-8.00 -13.00d
1957-6.00a-2.00 2.00c13.00 24.00 -----z42.00 41.00a28.00 21.00 -6.00 -2.00 -----z
1958-7.00 -4.00 -2.00 9.00 26.00 31.00a38.00 41.00 31.00 10.00 -1.00 -3.00b-7.00c
1959-9.00 -5.00 3.00 11.00 25.00c32.00 37.00 41.00 20.00 23.00 1.00 -6.00 -9.00c
1960-20.00 -10.00 -2.00 12.00 19.00 36.00 39.00 31.00 31.00 13.00 2.00 -0.00 -20.00
1961-6.00 -1.00 -3.00 11.00 24.00 32.00 39.00 38.00 19.00 17.00 -1.00 -18.00 -18.00
1962-13.00 -17.00 -7.00 14.00 15.00 29.00 38.00 34.00 26.00 27.00 2.00 -9.00 -17.00
1963-35.00 -6.00 -1.00 8.00 23.00 31.00 42.00 45.00 37.00 27.00 10.00 -7.00 -35.00
1964-8.00 -9.00 -7.00 9.00 22.00 28.00 41.00 29.00 33.00 17.00 5.00 -9.00 -9.00
1965-9.00 -16.00 -10.00 4.00 21.00 31.00c40.00 39.00b19.00 21.00 9.00 -8.00 -16.00e
1966-10.00 -12.00 -15.00 11.00 24.00 30.00c40.00a40.00b31.00a16.00c13.00 -13.00a-15.00k
1967-12.00 3.00 8.00 8.00i12.00a30.00d45.00f39.00f29.00b11.00j2.00g-14.00a-----z
1968-10.00c-5.00a5.00a16.00b18.00a27.00a35.00d26.00a23.00e13.00b4.00c-18.00a-18.00y
1969-11.00 -10.00b-8.00 14.00a27.00 28.00c38.00a45.00d33.00a17.00b-5.00 -2.00 -11.00n
1970-7.00a3.00 5.00a3.00 18.00 25.00b40.00a42.00a17.00a8.00 10.00 -5.00 -7.00g
1971-26.00a-14.00 -6.00 6.00a18.00a24.00 41.00 41.00 20.00 3.00 -2.00a-8.00a-26.00e
1972-9.00 -4.00 7.00a11.00 17.00c32.00d41.00m37.00 29.00c23.00 -3.00 -10.00 -10.00x
1973-10.00 -5.00 4.00 4.00 16.00a24.00 38.00 37.00 22.00 14.00h-10.00a-11.00 -11.00j
1974-12.00 -12.00a7.00 8.00a18.00c27.00 32.00b35.00 25.00a19.00b8.00b-0.00a-12.00m
1975-21.00 -8.00a-6.00 -0.00a16.00b27.00 43.00 37.00 29.00a9.00a-6.00c-5.00a-21.00j
1976-16.00a-0.00 -1.00a14.00a23.00c25.00 43.00b38.00a32.00 12.00 -6.00a-0.00a-16.00k
1977-12.00 3.00a1.00 12.00 15.00a38.00 45.00 39.00 30.00 21.00b6.00a-9.00 -12.00e
1978-7.00 -8.00 7.00 15.00 21.00a35.00 38.00 33.00 23.00 22.00 9.00 -19.00 -19.00a
1979-25.00 -11.00 -0.00 5.00 18.00 30.00 34.00b38.00a32.00a12.00c-4.00 -0.00 -25.00g
1980-1.00 -0.00 2.00 4.00 20.00 28.00 43.00 35.00a32.00a15.00 4.00a5.00 -1.00c
19817.00 -4.00 7.00 13.00 19.00 22.00a43.00 43.00 34.00 14.00 6.00 -----z-----z
1982-10.00 -16.00 6.00a14.00 21.00 23.00 -----z-----z27.00 12.00a2.00c-12.00f-----z
1983-3.00b-1.00a7.00d9.00d19.00h27.00a36.00 45.00b24.00d24.00b-3.00b-10.00 -----z
1984-25.00 -1.00d2.00 7.00a22.00e31.00 46.00 45.00a27.00c14.00 -4.00a-2.00e-25.00t
1985-22.00a-20.00 1.00a16.00 20.00g26.00b44.00 39.00b23.00f20.00b-9.00 -6.00b-22.00w
19867.00 -9.00b12.00a18.00c18.00c31.00 36.00 40.00a30.00d16.00 4.00b-2.00 -9.00p
1987-10.00a-4.00 -0.00a16.00b24.00e31.00b33.00c38.00b29.00c24.00a5.00b-10.00a-10.00w
1988-12.00a-0.00a7.00c16.00 16.00 26.00d44.00 41.00 24.00b25.00a2.00b-17.00b-17.00p
1989-19.00 -19.00 3.00b18.00e20.00g31.00 39.00b34.00c30.00d10.00 3.00a-1.00 -19.00x
1990-5.00b-2.00a-1.00 22.00a18.00k22.00e42.00d37.00h35.00i17.00i-3.00l-24.00f-----z
1991-8.00 7.00e6.00f13.00e18.00g30.00h37.00f43.00c27.00b18.00b-0.00a-6.00f-----z
1992-8.00e-2.00a12.00c21.00b28.00d29.00a32.00b34.00g27.00b18.00a2.00d-6.00f-----z
1993-6.00h4.00 8.00 17.00g23.00b29.00g37.00a42.00c25.00d10.00a-0.00a-5.00c-----z
1994-10.00a-12.00b10.00 14.00c27.00a30.00c32.00e40.00d31.00a15.00c1.00d-2.00g-----z
1995-5.00d10.00c8.00f12.00c22.00 24.00a29.00c45.00 26.00c10.00b7.00a-2.00b-----z
1996-11.00c-3.00d2.00a10.00b25.00b35.00a47.00d39.00b20.00a6.00c5.00b-12.00b-----z
1997-6.00c-3.00d-5.00 2.00b23.00a34.00b36.00g41.00e33.00b11.00j7.00e-12.00j-----z
1998-3.00h-10.00e-2.00e15.00d26.00l25.00g48.00b43.00e33.00a17.00f8.00f1.00b-----z
19996.00h-3.00e17.00e8.00i24.00k32.00u45.00b41.00c21.00d16.00b4.00d-3.00f-----z
2000-11.00g2.00e6.00e18.00g25.00h33.00b42.00c47.00c25.00b24.00d-3.00f-1.00c-----z
2001-7.00a-6.00g4.00b18.00e20.00f26.00f43.00h40.00e28.00e21.00e-5.00k-6.00c-----z
2002-11.00b-5.00c-8.00a10.00f13.00c36.00d46.00d39.00l32.00b24.00 15.00c-8.00a-----z
20035.00a4.00b-0.00a15.00g16.00a31.00a44.00b44.00 26.00 16.00b-4.00 -12.00 -12.00q
2004-18.00 -7.00 2.00d17.00 15.00 24.00 36.00 32.00a25.00a20.00 -4.00 -2.00c-18.00i
2005-5.00 2.00 10.00 17.00 26.00 28.00 39.00 43.00 32.00 21.00 2.00 -4.00b-5.00b
20065.00a5.00 4.00 17.00 25.00 34.00 45.00 35.00 23.00 17.00 -6.00 -0.00 -6.00a
2007-10.00 -11.00 -1.00 14.00 25.00 23.00 46.00 44.00 27.00 11.00 3.00 -13.00 -13.00
2008-18.00 -5.00 2.00 13.00 22.00 27.00 45.00 40.00 34.00 12.00 -0.00 -14.00 -18.00
2009-2.00 -0.00 11.00 11.00 34.00i-----z-----z-----z23.00 5.00 7.00 -10.00 -----z
2010-7.00 -6.00 8.00 10.00 -----z34.00c34.00 40.00 32.00 19.00 -7.00 -0.00 -----z
2011-20.00 -18.00 10.00 12.00a18.00 31.00 39.00a41.00 37.00 22.00 14.00 -7.00 -20.00b
20122.00 3.00 4.00 19.00e24.00 33.00 48.00 46.00 36.00 10.00 8.00j-12.00k-----z
2013-23.00 -16.00d-3.00 -----z-----z37.00f46.00 43.00 23.00 15.00 13.00c-9.00i-----z
2014-----z14.00m18.00h-----z-----z38.00s41.00 39.00 39.00 24.00 9.00 -2.00 -----z
2015-5.00 8.00 6.00 13.00 23.00 34.00 45.00 45.00 38.00 27.00 12.00 -2.00a-5.00a
2016-2.00 -5.00 18.00 21.00 30.00 34.00 44.00 42.00 31.00 22.00a5.00 1.00 -5.00a
2017-3.00 -1.00 6.00 18.00 23.00 27.00 47.00 42.00 27.00 23.00 10.00 2.00 -3.00
2018-3.00 -5.00 6.00 14.00 30.00 38.00 46.00 38.00 34.00 22.00 8.00 -6.00 -6.00
2019-7.00 -8.00 10.00 21.00 26.00 30.00 41.00 42.00 31.00 5.00 4.00 -1.00 -8.00
20201.00 -4.00 17.00 10.00 26.00 31.00 40.00 42.00 23.00 10.00 9.00 -4.00 -4.00
2021-10.00 -1.00 13.00 18.00 21.00 29.00 41.00s42.00t31.00 19.00 15.00 -5.00a-----z
2022-8.00 -5.00 1.00 19.00o19.00 35.00 48.00 45.00 38.00 17.00b7.00 -7.00 -8.00q
2023-5.00 -8.00 -0.00 -1.00 27.00 34.00 42.00 40.00 34.00 18.00 3.00 5.00 -8.00
2024-7.00 4.00 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN-9.59 -5.77 1.87 12.03 21.33 29.33 40.38 39.52 28.40 16.47 2.84 -6.63 -13.49
S.D.8.02 7.74 6.84 5.74 4.41 4.09 4.34 4.09 4.91 5.81 6.54 6.19 8.19
SKEW-0.35 -0.57 -0.06 -0.35 -0.05 -0.23 -0.40 -0.63 -0.19 -0.28 -0.36 -0.36 -0.54
MAX8.00 10.00 18.00 27.00 32.00 38.00 48.00 47.00 39.00 27.00 15.00 5.00 -1.00
MIN-35.00 -32.00 -15.00 -4.00 11.00 16.00 29.00 26.00 17.00 3.00 -15.00 -22.00 -35.00
YRS93 94 92 86 83 86 86 91 96 92 92 87 39