CHELAN, WA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(451350)

File last updated on December 4, 2021
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
1891-----z-----z-----z-----z-----z-----z49.00 47.00 37.00 34.00 -----z14.00a-----z
18924.00 -----z29.00 30.00 38.00 37.00 46.00 50.00 42.00 33.00 -----z-----z-----z
1893-18.00 -15.00a13.00 32.00 39.00a41.00 46.00a50.00 35.00 25.00 20.00b17.00 -18.00e
18945.00 3.00 23.00 29.00 36.00 41.00 54.00 55.00 36.00 30.00 23.00 4.00a3.00a
18957.00a9.00 21.00 29.00 34.00 40.00 50.00 48.00 34.00 25.00 20.00 11.00 7.00a
18968.00 13.00a9.00 28.00 35.00 45.00 52.00 50.00 41.00 33.00 -3.00a23.00a-3.00c
18973.00 8.00 5.00 33.00 39.00 41.00 47.00 48.00 39.00 31.00 9.00 7.00 3.00
18987.00 18.00 21.00 32.00 35.00 44.00 51.00 50.00 36.00 -----z23.00 8.00 -----z
1899-7.00 -3.00 24.00 28.00 35.00 39.00 46.00 44.00 44.00 32.00 34.00 12.00 -7.00
190017.00 6.00 29.00 32.00 40.00 47.00 49.00 46.00 38.00 33.00 5.00 20.00 5.00
19012.00a11.00 24.00a-----z34.00a42.00 50.00 54.00 39.00 35.00 29.00b15.00 -----z
19023.00 11.00 27.00 31.00b43.00a40.00 47.00c50.00 37.00 34.00b20.00a14.00 3.00i
19038.00 4.00a17.00 30.00 38.00 50.00a49.00 44.00 37.00 26.00 15.00a4.00 4.00c
19049.00 9.00 15.00 32.00 32.00 47.00 55.00 52.00 43.00 30.00a29.00 13.00a9.00b
19054.00b-0.00 30.00 34.00 37.00 46.00 52.00 50.00 39.00 25.00 20.00a16.00 -0.00c
19067.00 21.00a13.00 30.00 39.00 40.00 57.00 52.00 41.00 29.00a25.00 18.00 7.00b
1907-3.00 9.00 20.00a30.00a41.00 43.00 50.00 45.00a42.00 41.00 29.00a15.00b-3.00f
190811.00 -0.00 20.00 24.00 38.00 41.00 50.00 44.00 33.00 32.00 26.00 17.00 -0.00
1909-13.00 15.00 24.00 32.00 35.00 45.00 49.00 45.00 41.00 34.00 19.00 6.00 -13.00
19102.00 7.00 26.00 34.00 40.00d42.00 47.00 42.00 40.00 27.00 19.00 19.00 2.00d
1911-2.00 7.00 13.00 32.00 39.00 45.00 51.00 53.00 35.00a27.00 6.00a12.00a-2.00c
1912-2.00 17.00 18.00 35.00 38.00 45.00 49.00 47.00 40.00 30.00 25.00 18.00 -2.00
19134.00 3.00 16.00 31.00 36.00 45.00 45.00 47.00 42.00 27.00 27.00 21.00 3.00
191412.00 3.00 21.00 30.00 38.00 40.00 49.00 50.00 40.00 36.00 22.00 7.00 3.00
19155.00 15.00 28.00 35.00 35.00 45.00a48.00 55.00 42.00 35.00 15.00 5.00a5.00b
1916-11.00 3.00 19.00 31.00 35.00 41.00 45.00 51.00 39.00 29.00 10.00 -2.00 -11.00
1917-4.00 2.00 8.00 29.00 34.00 44.00 43.00 50.00 42.00 25.00 26.00 6.00 -4.00
19186.00 5.00 -----z-----z-----z-----z-----z-----z-----z34.00b20.00a17.00c-----z
191920.00s7.00 14.00 30.00a33.00a40.00b46.00d53.00e33.00a21.00a15.00a-12.00g-----z
19209.00 21.00 -----z-----z-----z41.00i51.00b43.00b40.00f27.00d24.00e17.00c-----z
19216.00b11.00 24.00a28.00d36.00j-----z-----z-----z37.00c25.00j10.00a8.00f-----z
1922-3.00 -2.00 6.00 26.00g29.00f48.00 54.00d49.00b44.00e29.00h-----z-----z-----z
1923-----z-1.00a20.00a34.00g38.00 42.00 55.00 55.00 45.00 30.00a27.00d-5.00b-----z
1924-2.00 22.00b26.00 31.00b40.00c46.00 56.00a53.00c44.00a34.00 20.00b-1.00b-2.00p
192512.00b27.00 30.00a38.00 41.00b39.00 56.00a49.00b39.00 32.00a24.00a27.00 12.00j
192620.00a25.00 27.00 31.00 37.00a49.00 56.00a52.00b30.00 33.00a27.00d4.00 4.00j
1927-2.00 18.00a26.00a27.00a37.00a55.00a55.00 52.00 40.00a31.00 26.00 -2.00a-2.00g
19284.00 18.00 24.00 30.00 34.00 47.00a51.00a52.00 44.00 33.00a29.00 14.00 4.00c
1929-0.00a-0.00c30.00b27.00 40.00 44.00 54.00a50.00a43.00 32.00 17.00 18.00 -0.00h
1930-4.00 16.00 23.00 38.00 38.00b47.00 53.00 55.00a42.00 31.00 21.00a18.00 -4.00d
193121.00 19.00c27.00 32.00 40.00b47.00a56.00 55.00a41.00b37.00c15.00 9.00a9.00m
19327.00 1.00 24.00 37.00f41.00a45.00b51.00c49.00 40.00a30.00a30.00a7.00d1.00s
193313.00 -5.00 27.00a30.00 35.00 41.00 53.00 51.00 37.00a32.00 26.00a18.00 -5.00c
193420.00c25.00b30.00 36.00 40.00a45.00b49.00c49.00d36.00b36.00 27.00b13.00a13.00t
1935-5.00a18.00a21.00a23.00a38.00 46.00e48.00 47.00d40.00 15.00a10.00a20.00k-----z
19369.00a-9.00b21.00 24.00 41.00c47.00a35.00a50.00b37.00d17.00a18.00a14.00a-9.00q
1937-2.00a2.00 24.00 31.00 38.00 43.00 53.00a47.00 40.00 39.00 27.00 16.00 -2.00b
193815.00 14.00 26.00 32.00a39.00 43.00 50.00 48.00a46.00 33.00b19.00a15.00a14.00f
193918.00 2.00 19.00 31.00 40.00 44.00 51.00a52.00a44.00 30.00 29.00 23.00 2.00b
194017.00d22.00 28.00b34.00 39.00a49.00 53.00b54.00 47.00 33.00d19.00 14.00b14.00o
194118.00 24.00a28.00a36.00 40.00 42.00 52.00 49.00 41.00 35.00 27.00 12.00 12.00b
19429.00a21.00 28.00 36.00 36.00 47.00b50.00 49.00c42.00b32.00 25.00 18.00a9.00i
1943-3.00d14.00a19.00 33.00 38.00 44.00 49.00d51.00a46.00 30.00e30.00 17.00 -3.00o
194414.00 20.00 24.00a33.00 39.00 50.00 52.00 51.00 41.00a36.00 27.00 11.00 11.00b
194515.00a20.00 17.00d28.00 32.00 46.00a51.00a48.00a36.00b30.00b14.00e15.00b14.00s
194610.00b11.00b20.00b28.00c34.00 41.00a49.00a49.00b39.00 26.00c14.00a11.00b10.00s
1947-0.00d7.00 25.00a29.00a41.00 47.00 48.00 49.00 43.00a34.00a26.00a19.00d-0.00m
1948-----z-----z-----z-----z-----z50.00 43.00 48.00 35.00 27.00 23.00 -0.00a-----z
1949-7.00a-2.00b22.00a30.00 34.00 42.00 47.00 46.00 40.00 26.00 31.00 4.00 -7.00d
1950-14.00 -11.00 18.00 29.00 35.00 44.00 50.00 51.00 36.00 32.00 21.00 14.00 -14.00
1951-3.00 1.00 12.00 25.00 36.00 42.00 48.00 46.00 39.00 27.00a23.00 3.00 -3.00a
1952-2.00 14.00 21.00 26.00 31.00 41.00 47.00 45.00 44.00 33.00 17.00 18.00 -2.00
195319.00a25.00 27.00 27.00 36.00 44.00 51.00 49.00a39.00 33.00 26.00 25.00 19.00b
1954-1.00a18.00a20.00 29.00 28.00 41.00 49.00 47.00 39.00 30.00 28.00 18.00 -1.00b
195512.00b14.00 4.00 29.00 35.00a46.00 49.00 51.00 40.00 28.00 3.00 5.00 3.00c
1956-1.00 -5.00 16.00 29.00 37.00 42.00 53.00 48.00a41.00 31.00 16.00 -0.00a-5.00b
1957-8.00 3.00 25.00 34.00 44.00 46.00 51.00 50.00 39.00 32.00 24.00 20.00a-8.00a
195819.00a30.00a23.00 34.00 41.00 50.00 52.00 54.00 35.00 32.00 13.00 12.00b12.00d
1959-4.00a12.00 27.00b32.00a34.00 48.00 51.00a47.00a41.00 31.00 5.00a21.00 -4.00g
19607.00c15.00a9.00a32.00 35.00 45.00 55.00 42.00 40.00 31.00a23.00 18.00a7.00g
196117.00a27.00a21.00c31.00a34.00 48.00 50.00 53.00 39.00 31.00 12.00d13.00 12.00j
19621.00b24.00j16.00a31.00 32.00 40.00 47.00 49.00 41.00a35.00 24.00a18.00 1.00o
19632.00c14.00 26.00 31.00 33.00 47.00 48.00 48.00 45.00 32.00 22.00 13.00 2.00c
196419.00 15.00 20.00 29.00 37.00 50.00 50.00 48.00 40.00a31.00 26.00 -10.00 -10.00a
196512.00a19.00 19.00 32.00 36.00 46.00 50.00 46.00 37.00 30.00 24.00 15.00a12.00b
196613.00 18.00 23.00a29.00 40.00 42.00 50.00 48.00 44.00 32.00 31.00 22.00 13.00a
196721.00a24.00 25.00 31.00 37.00a47.00 50.00 51.00 45.00 34.00 22.00a11.00 11.00c
196810.00 17.00 28.00 26.00 35.00a42.00 42.00a47.00 37.00 32.00 27.00 -18.00a-18.00c
1969-6.00 2.00 18.00 37.00 38.00 49.00 51.00 49.00 42.00 29.00 25.00 18.00 -6.00
197014.00 19.00 21.00 30.00 33.00 48.00 54.00 50.00 35.00 28.00 13.00 12.00 12.00
19717.00 17.00a20.00 30.00 39.00 46.00 46.00 50.00a39.00 23.00 23.00 6.00 6.00b
1972-2.00 5.00 24.00 27.00 34.00 45.00 47.00 49.00 33.00 25.00 25.00 -0.00 -2.00
19735.00 13.00 26.00 29.00 35.00 42.00 48.00 46.00 39.00 35.00 21.00 15.00 5.00
19743.00 25.00 20.00 31.00 34.00 46.00 48.00 51.00 40.00 32.00 28.00 16.00 3.00
19758.00 13.00 22.00 27.00 36.00 45.00a52.00 51.00 42.00 30.00 14.00 13.00 8.00a
197619.00 13.00 13.00 31.00 36.00 37.00 47.00 47.00 42.00 30.00 18.00 22.00 13.00
19779.00 23.00 27.00 30.00 34.00 40.00 53.00 49.00 40.00 30.00 12.00 13.00 9.00
19784.00 19.00 20.00 32.00 37.00 42.00 54.00 47.00 41.00 28.00 19.00 -3.00 -3.00
1979-5.00 3.00a23.00 29.00 37.00 50.00 44.00a55.00 45.00 30.00 16.00 17.00 -5.00b
1980-5.00 9.00 20.00 29.00 40.00 39.00 43.00 43.00 39.00 28.00 22.00 7.00 -5.00
198125.00 10.00 27.00 28.00 32.00 44.00 42.00 49.00a37.00 28.00 24.00 14.00 10.00a
1982-2.00a9.00a25.00 26.00 32.00a41.00 45.00 48.00 39.00 27.00 13.00 13.00 -2.00c
198315.00a19.00 29.00 29.00 37.00 33.00 37.00a46.00a26.00 26.00d23.00a-6.00 -6.00h
19848.00a17.00 20.00 32.00a38.00 39.00a45.00a49.00a35.00a3.00a14.00a3.00b3.00j
19857.00 3.00a-----z32.00 35.00c41.00 41.00c44.00d33.00c28.00d-3.00e-0.00 -----z
198614.00b8.00a29.00d32.00 34.00b52.00 50.00 57.00b41.00 37.00 20.00a21.00c8.00o
198715.00 25.00 28.00 36.00 37.00 48.00 53.00b53.00a44.00 35.00 26.00 14.00a14.00d
198812.00 7.00 28.00a32.00 36.00 46.00a52.00b52.00b42.00a29.00a28.00 12.00 7.00h
198914.00 2.00 11.00 32.00a41.00a53.00 49.00 53.00a47.00 31.00b29.00a23.00 2.00f
199022.00a11.00a27.00 36.00a41.00 47.00c55.00b52.00b48.00 32.00b28.00c-8.00b-8.00q
19914.00b21.00a26.00 33.00 41.00 43.00a54.00 55.00b44.00b21.00 22.00 24.00a4.00i
199220.00 25.00 27.00 32.00 39.00a51.00a56.00a46.00 42.00 31.00 22.00 9.00 9.00c
1993-3.00a10.00a12.00a34.00 42.00a48.00 52.00 49.00b42.00a34.00a9.00a24.00 -3.00i
199421.00b10.00a26.00a36.00 39.00 47.00 56.00 55.00 47.00a34.00 19.00 11.00 10.00e
199513.00 11.00 22.00a34.00 41.00 48.00 58.00 50.00 44.00a26.00 24.00a9.00a9.00d
1996-3.00c-1.00 19.00b32.00a35.00 46.00 50.00a53.00 41.00 28.00a17.00e2.00q-----z
19974.00d13.00a24.00 30.00 37.00a47.00a52.00 54.00 46.00a34.00 25.00 21.00 4.00h
19987.00 26.00 27.00 33.00 42.00b50.00a58.00 53.00a50.00a32.00 30.00 4.00 4.00e
199919.00a21.00 27.00 31.00 35.00 44.00q48.00 51.00a39.00 33.00 31.00a28.00 19.00t
200017.00 20.00a29.00 34.00 39.00a48.00 51.00a49.00 37.00c34.00 23.00a11.00 11.00g
200120.00a16.00a26.00 32.00 38.00a46.00 50.00c55.00 45.00 33.00 28.00 24.00a16.00g
200219.00b22.00 21.00 32.00b35.00a44.00 51.00a51.00b45.00a23.00 22.00b26.00 19.00k
200323.00 21.00 24.00 32.00a40.00 52.00 55.00 56.00a43.00 29.00 19.00a15.00 15.00c
2004-3.00a21.00 28.00a36.00 42.00 49.00 56.00 55.00a44.00a34.00 25.00 24.00 -3.00d
20056.00 21.00 31.00 31.00a42.00a47.00 55.00 54.00a43.00 37.00 23.00 10.00c6.00f
200621.00a13.00a26.00 33.00 39.00 52.00 52.00 51.00 44.00 24.00 6.00 13.00 6.00b
20078.00 20.00 22.00a29.00c42.00 47.00a54.00 53.00 41.00 32.00 21.00 16.00 8.00e
20084.00 18.00 29.00n-----z50.00u43.00b51.00d52.00l43.00j32.00e26.00o4.00n-----z
20099.00h20.00d14.00c33.00j38.00f50.00 52.00c53.00k45.00m28.00c27.00d9.00f-----z
201016.00e26.00c28.00e30.00c36.00c45.00b54.00a49.00d44.00e35.00 3.00 10.00 -----z
20116.00 8.00 26.00 30.00 39.00 48.00 52.00 54.00 43.00 31.00 24.00 18.00 6.00
20126.00 18.00 24.00i33.00i38.00 49.00p56.00a53.00b45.00 34.00 27.00b16.00c-----z
201311.00b21.00 27.00 33.00 36.00 51.00 58.00 58.00c47.00g32.00a21.00l9.00n-----z
201419.00l3.00 20.00 37.00 44.00 44.00 50.00 51.00 35.00 34.00 9.00 10.00b3.00n
201513.00 22.00 21.00 28.00 34.00 48.00 49.00 46.00c38.00 34.00 19.00 10.00 10.00c
20165.00 15.00 25.00 33.00a38.00 37.00 49.00a49.00 40.00 31.00 26.00 3.00 3.00b
2017-2.00 7.00 21.00 29.00 32.00 42.00 49.00 47.00 40.00 28.00 20.00 7.00 -2.00
201818.00 10.00a23.00 29.00 40.00 41.00a48.00b47.00 38.00a32.00 22.00a19.00 10.00f
201917.00 5.00 8.00 29.00 35.00a47.00a49.00 50.00a36.00 16.00 16.00 19.00d5.00g
20206.00 18.00 22.00 24.00a32.00 45.00 46.00b53.00f42.00 20.00 25.00a10.00 6.00j
202114.00a7.00 20.00 21.00b38.00 42.00 55.00 45.00a42.00c26.00 21.00 -----z-----z
Period of Record Statistics
MEAN7.04 12.26 21.96 30.82 37.14 44.83 50.22 49.79 40.29 30.21 20.79 12.35 2.10
S.D.9.07 9.08 5.87 3.11 3.04 3.81 4.03 3.33 3.83 4.94 7.26 8.22 7.71
SKEW-0.19 -0.43 -0.98 -0.22 -0.11 -0.09 -0.68 -0.01 -0.47 -1.88 -1.03 -0.83 -0.21
MAX25.00 30.00 31.00 38.00 44.00 55.00 58.00 58.00 50.00 41.00 34.00 28.00 19.00
MIN-18.00 -15.00 4.00 21.00 28.00 33.00 35.00 42.00 26.00 3.00 -3.00 -18.00 -18.00
YRS125 127 124 120 123 125 129 126 126 128 126 121 67