MASON DAM, OR

Minimum of Minimum Temperature (Degrees Fahrenheit)

(355258)

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
1969-----z-----z-4.00 20.00 21.00 31.00 35.00 27.00 26.00 12.00 10.00 5.00 -----z
1970-7.00 8.00 7.00 17.00 25.00 30.00 35.00 34.00 20.00a13.00 10.00 -8.00 -8.00a
1971-17.00 9.00a-4.00 19.00 27.00 32.00 33.00 33.00a24.00 5.00 10.00 -11.00 -17.00b
1972-12.00a-21.00a14.00 17.00a26.00 31.00 34.00a34.00 24.00 14.00 11.00 -19.00a-21.00e
1973-13.00a-1.00 16.00 18.00 24.00 22.00 28.00e33.00 27.00 21.00 10.00a-0.00 -13.00g
1974-23.00 -4.00 6.00 19.00 25.00 30.00 32.00a32.00h21.00d15.00 12.00 -16.00 -23.00m
1975-17.00 -7.00 -4.00 6.00a24.00 29.00 33.00 33.00 28.00 16.00 -3.00 -4.00a-17.00b
1976-4.00 -16.00 -1.00 15.00 26.00 28.00 33.00 32.00 27.00d20.00b10.00d7.00 -16.00j
1977-12.00 6.00 11.00b16.00 26.00 28.00 29.00 33.00 29.00 19.00 -5.00 3.00a-12.00c
1978-11.00 -0.00 16.00 20.00 21.00d30.00 37.00 34.00 27.00 18.00 -0.00 -25.00a-25.00e
1979-26.00 -22.00 1.00a18.00d25.00f29.00 27.00a38.00 30.00 23.00a5.00a7.00j-26.00x
1980-18.00a14.00a11.00a12.00a30.00 23.00a38.00c28.00a29.00a19.00 15.00h3.00a-18.00s
198112.00 -0.00 19.00c17.00 27.00 32.00 31.00 37.00 26.00a19.00 13.00 4.00 -0.00d
1982-24.00 -17.00 10.00 15.00 23.00 30.00a33.00b34.00b27.00 20.00 9.00a4.00e-24.00k
19839.00c-4.00a20.00 18.00 25.00b32.00 33.00d40.00a23.00a24.00 11.00d-28.00d-28.00t
1984-17.00b-5.00 10.00 16.00 21.00 26.00a35.00a34.00 21.00c19.00 11.00a-20.00e-20.00m
1985-21.00b-30.00 -9.00 15.00 20.00a28.00 37.00 32.00a20.00 13.00 -10.00e-11.00a-30.00j
1986-3.00d-2.00 19.00a17.00 22.00 30.00 31.00a38.00c29.00 22.00 9.00 8.00d-3.00m
1987-18.00f-1.00 7.00e12.00 24.00a28.00b35.00a31.00 26.00 20.00b11.00b-3.00 -18.00s
1988-15.00a-19.00d2.00e18.00 21.00 32.00d33.00c35.00a25.00 21.00a8.00b-11.00a-19.00v
1989-18.00a-40.00a8.00f24.00 25.00 31.00a38.00 30.00 29.00 12.00 14.00 11.00b-40.00k
19904.00 -8.00b7.00a22.00d24.00b29.00c34.00 39.00b33.00a22.00 17.00a-26.00b-26.00r
1991-10.00a11.00b15.00a19.00b25.00a26.00a37.00b38.00d27.00b9.00 12.00a6.00b-10.00s
1992-0.00d13.00b23.00a20.00c22.00 33.00d39.00a26.00b25.00a18.00c-0.00b-7.00c-----z
1993-15.00a-16.00b-9.00a14.00a29.00 30.00a31.00d29.00b25.00b22.00b-6.00 6.00a-16.00q
19941.00b-0.00b15.00a24.00 23.00 29.00b31.00b37.00 33.00a22.00 2.00 -13.00a-13.00k
1995-15.00 6.00j11.00 20.00b27.00c32.00a34.00 32.00 27.00 19.00 12.00d6.00a-15.00u
1996-28.00a-29.00a10.00b24.00 24.00a28.00a34.00a33.00a25.00b17.00a18.00a3.00a-29.00m
1997-4.00a1.00 7.00a18.00b23.00 30.00 36.00 40.00 33.00 20.00b22.00 5.00a-4.00g
1998-9.00 2.00b1.00 23.00b30.00c35.00 45.00 37.00 35.00c20.00c21.00b-10.00d-10.00s
1999-9.00a-10.00b5.00 11.00b20.00g27.00e29.00a36.00a24.00 19.00 18.00 5.00 -10.00s
2000-7.00 2.00 9.00 22.00a22.00 31.00a34.00 34.00 23.00 16.00 9.00 2.00k-7.00m
2001-11.00e-3.00d2.00i17.00j24.00j30.00h40.00k40.00o32.00j23.00k7.00b1.00b-----z
2002-----z-7.00l-3.00p23.00k22.00 30.00 38.00 1.00a28.00 3.00b2.00 9.00a-----z
200311.00c6.00 15.00 24.00a25.00a34.00 39.00 43.00a30.00a7.00 5.00 -11.00c-11.00j
2004-20.00 0.00 8.00 27.00a30.00a33.00 37.00a40.00a32.00a20.00 11.00 11.00a-20.00f
20054.00a7.00 22.00a22.00 31.00a33.00a39.00 37.00 27.00 28.00 12.00a-9.00a-9.00f
20069.00c-13.00 5.00 23.00 24.00a36.00m41.00e34.00c32.00b10.00a0.00a0.00 -----z
2007-9.00 3.00 12.00b20.00 25.00 34.00 44.00 38.00 26.00 22.00 11.00b-4.00 -9.00d
2008-15.00b0.00 4.00 16.00a23.00 30.00 38.00 34.00 30.00 24.00 20.00 -2.00 -15.00c
2009-9.00a-2.00 2.00b20.00 26.00 36.00 39.00 37.00 32.00 22.00 13.00 -8.00 -9.00c
20107.00 7.00 17.00 14.00 17.00 32.00 37.00 35.00 33.00 27.00a3.00b-8.00 -8.00c
2011-12.00 -15.00a17.00 21.00 22.00b-----z41.00v41.00 34.00 22.00 13.00 5.00 -----z
20125.00 7.00 12.00 18.00a26.00 32.00 38.00 36.00 31.00 24.00 21.00i3.00 3.00j
2013-15.00 5.00 9.00 22.00 22.00 31.00 38.00 44.00 31.00b26.00 11.00 -5.00b-15.00d
20144.00 -1.00 18.00 26.00 29.00 35.00 40.00 41.00 30.00 30.00 4.00c-7.00 -7.00c
2015-6.00 12.00 13.00 23.00 27.00 35.00 39.00 39.00 32.00 28.00a2.00a-11.00 -11.00b
2016-14.00 -12.00 22.00 28.00 31.00 34.00 40.00 37.00 31.00 25.00 22.00 -12.00d-14.00d
2017-14.00c5.00a18.00a23.00 28.00 35.00a43.00a41.00 32.00 23.00 16.00 7.00k-14.00r
Period of Record Statistics
MEAN-9.00 -3.91 9.46 19.00 24.78 30.57 35.62 34.66 27.90 18.96 9.00 -4.00 -10.92
S.D.10.22 12.12 8.14 4.38 3.11 3.01 4.05 6.42 3.84 5.89 7.27 10.04 4.80
SKEW0.40 -0.92 -0.45 -0.39 0.14 -0.58 0.07 -3.06 -0.22 -0.73 -0.47 -0.57 0.64
MAX12.00 14.00 23.00 28.00 31.00 36.00 45.00 44.00 35.00 30.00 22.00 11.00 -0.00
MIN-28.00 -40.00 -9.00 6.00 17.00 22.00 27.00 1.00 20.00 3.00 -10.00 -28.00 -17.00
YRS46 46 46 47 46 46 47 47 48 48 47 46 13