BOUNDARY DAM, WA

Minimum of Minimum Temperature (Degrees Fahrenheit)

(450844)

File last updated on March 28, 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
1965-----z-----z-----z-----z-----z-----z44.00c40.00 28.00 31.00a16.00a4.00 -----z
1966-2.00c5.00a7.00 21.00b30.00 40.00 43.00b40.00 35.00 29.00a16.00 14.00 -2.00i
19677.00 14.00 13.00 24.00 31.00c37.00 42.00 41.00 35.00 28.00a13.00 -0.00 -0.00d
1968-5.00 7.00 20.00a25.00e32.00a39.00a45.00a46.00 39.00 29.00 24.00 -28.00 -28.00i
1969-15.00 -1.00 13.00 29.00 33.00 38.00 42.00 37.00 36.00 24.00 18.00 9.00 -15.00
19702.00 14.00 7.00 24.00 30.00a40.00 42.00 42.00 27.00 22.00 -6.00 -----z-----z
1971-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1972-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1973-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1974-----z-----z-----z29.00a32.00 40.00b42.00 45.00g31.00 24.00 21.00 9.00a-----z
1975-11.00 -3.00a11.00a15.00 31.00 38.00 47.00 42.00 36.00 27.00c10.00d-----z-----z
19768.00a-3.00c-2.00a28.00a30.00a34.00 43.00a45.00 36.00 26.00a12.00 10.00 -3.00i
1977-1.00c9.00 19.00 24.00a31.00a36.00 40.00 39.00a33.00 27.00 -3.00 -2.00 -3.00f
1978-11.00 15.00 4.00 26.00 31.00 38.00b45.00 41.00 32.00 -----z12.00 -20.00a-----z
1979-20.00 -5.00 16.00a22.00 33.00 33.00 39.00a46.00a35.00 28.00 8.00 12.00a-20.00d
1980-15.00 4.00 9.00 24.00 36.00 37.00 37.00 37.00 35.00 29.00 16.00 1.00 -15.00
198111.00 2.00 22.00 23.00 31.00 41.00 43.00a42.00 33.00 23.00 18.00a3.00 2.00b
1982-12.00c-7.00 14.00 21.00a28.00c31.00 40.00 43.00 34.00 25.00b5.00a4.00a-12.00k
19834.00 8.00 24.00a23.00 31.00 34.00b44.00 44.00f25.00a26.00 19.00 -16.00 -16.00j
1984-3.00 13.00 19.00 23.00b29.00a33.00 40.00a32.00 22.00 9.00 9.00 -13.00 -13.00d
1985-12.00 -11.00 9.00 15.00b29.00 37.00a44.00 40.00 26.00 20.00 -19.00 -10.00 -19.00c
19865.00 -2.00 19.00 25.00 28.00 40.00 40.00a39.00 32.00a28.00a7.00 8.00 -2.00c
1987-7.00 11.00 10.00 28.00 33.00a34.00 47.00 40.00 35.00 25.00 23.00 1.00 -7.00a
1988-4.00a-4.00 21.00 23.00 30.00 40.00 44.00 38.00 36.00 21.00 18.00 -1.00 -4.00a
19893.00 -9.00 -2.00 26.00 33.00a41.00a42.00 46.00 33.00 26.00 20.00 16.00 -9.00b
199011.00 -2.00 15.00 21.00 32.00 39.00 42.00 41.00 35.00 24.00 20.00 -23.00 -23.00
1991-6.00a21.00 16.00 23.00b30.00b36.00a43.00a41.00c31.00a14.00 8.00 9.00 -6.00k
199211.00 22.00 23.00 24.00a30.00 35.00 44.00 37.00 31.00a25.00 14.00e-0.00a-0.00h
1993-12.00e-4.00c12.00a20.00b33.00a36.00a43.00a42.00a28.00d19.00a-1.00b10.00 -12.00v
199412.00a-4.00 15.00a28.00 35.00b40.00d45.00 42.00 37.00 30.00 11.00a-2.00 -4.00i
1995-2.00 -0.00a11.00 26.00 30.00 38.00 44.00 39.00a33.00a21.00 17.00a-3.00 -3.00d
1996-13.00b-11.00 10.00a26.00a33.00 41.00 42.00 40.00 31.00 23.00 6.00 -12.00b-13.00f
1997-5.00b5.00 9.00a21.00b32.00a41.00 46.00b40.00a41.00 26.00a16.00a9.00a-5.00l
1998-10.00 18.00 19.00 26.00 35.00 43.00 47.00 42.00 39.00a29.00 24.00 -5.00 -10.00a
19999.00 18.00a19.00a23.00b29.00b37.00 42.00 42.00 26.00a24.00a23.00a17.00 9.00i
20007.00a11.00b22.00 24.00 29.00b35.00 43.00a37.00 24.00 25.00a10.00 -0.00i-0.00p
20013.00c4.00a15.00 24.00 28.00a38.00 45.00a41.00b36.00a27.00b26.00 11.00a3.00l
20026.00b9.00a12.00 24.00a29.00 37.00 41.00a39.00 31.00a12.00b11.00a20.00a6.00j
20034.00 8.00 16.00 28.00 32.00 39.00a43.00 45.00b34.00b15.00g8.00 1.00b1.00n
2004-17.00c8.00a20.00b25.00 34.00 35.00 43.00 44.00 34.00 24.00d17.00b13.00 -17.00l
2005-13.00b7.00 19.00 23.00 29.00 39.00 42.00 39.00 27.00 29.00 14.00 -3.00a-13.00c
200617.00 -7.00 12.00 23.00 25.00c42.00b41.00 40.00 31.00 16.00 3.00c3.00b-7.00j
2007-12.00 11.00c11.00 20.00 29.00 36.00 40.00 33.00 29.00 17.00 -1.00 -1.00 -12.00c
2008-9.00 3.00a12.00 14.00 22.00 30.00c34.00 36.00 31.00 15.00 22.00 -6.00 -9.00d
2009-5.00 11.00a11.00e26.00 30.00c36.00 43.00a39.00 34.00 18.00 25.00 -2.00 -5.00j
20107.00 21.00 22.00 18.00 29.00 41.00 42.00 34.00 38.00 26.00 -0.00 1.00 -0.00
2011-2.00 -8.00 19.00 26.00 31.00 42.00 45.00 43.00 33.00 25.00 13.00 10.00 -8.00
20126.00 8.00 15.00 25.00 26.00 38.00 44.00 39.00d32.00 26.00b21.00 20.00 6.00f
20133.00 21.00 18.00a23.00 26.00b41.00 40.00 44.00 37.00 24.00 12.00 -7.00 -7.00c
20146.00a-15.00b11.00a15.00a31.00a38.00 44.00b46.00 27.00 29.00 7.00 1.00 -15.00h
20152.00 19.00a13.00 23.00 30.00 39.00 45.00 37.00 32.00 25.00 9.00c16.00 2.00d
20163.00d19.00 23.00 29.00 32.00 38.00 42.00d44.00a33.00 27.00 29.00a-4.00 -4.00j
2017-9.00 1.00 18.00 24.00 32.00 42.00 46.00b42.00 31.00 26.00a22.00 -2.00 -9.00c
20182.00a-2.00a20.00c25.00a36.00f38.00 39.00 42.00 36.00 25.00 20.00 6.00 -2.00l
201913.00 -2.00 -5.00d22.00a28.00 38.00 38.00b42.00e30.00 14.00f10.00d11.00 -5.00v
202010.00a9.00a12.00a21.00 33.00 39.00a43.00c39.00c35.00 14.00a23.00 14.00c9.00n
20216.00d-4.00e21.00d23.00 30.00a39.00d49.00b41.00c33.00b25.00e20.00a-5.00a-----z
2022-7.00 -4.00c14.00b24.00 31.00a41.00b48.00a42.00a35.00 32.00 6.00a-20.00a-20.00l
2023-2.00b-1.00b11.00b22.00b41.00a41.00a43.00a42.00c35.00d18.00a12.00 11.00c-2.00v
2024-20.00 5.00f10.00e-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN-1.53 4.57 14.07 23.40 30.70 37.98 42.79 40.59 32.57 23.91 13.11 1.68 -8.82
S.D.9.32 9.58 6.32 3.42 2.89 2.85 2.71 3.12 3.95 5.04 9.00 10.98 7.08
SKEW-0.15 0.11 -0.86 -0.87 0.29 -0.65 -0.45 -0.47 -0.53 -1.04 -0.95 -0.62 -0.19
MAX17.00 22.00 24.00 29.00 41.00 43.00 49.00 46.00 41.00 32.00 29.00 20.00 2.00
MIN-20.00 -15.00 -5.00 14.00 22.00 30.00 34.00 32.00 22.00 9.00 -19.00 -28.00 -23.00
YRS55 54 55 55 54 55 56 54 56 53 56 53 22