ST. MARY, MT

Minimum of Minimum Temperature (Degrees Fahrenheit)

(247292)

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
1981-----z-----z-----z-----z28.00 32.00a37.00a39.00c26.00a11.00a7.00 -20.00c-----z
1982-31.00a-26.00a-8.00c3.00a22.00a27.00b36.00 38.00 25.00 18.00a-10.00b-2.00a-31.00m
1983-7.00a2.00 -4.00g14.00 21.00 33.00 35.00 37.00 25.00b25.00 -8.00a-38.00b-38.00m
1984-19.00 15.00a12.00a16.00 25.00 32.00 34.00 34.00a17.00 -8.00 -7.00d-24.00 -24.00g
1985-25.00a-26.00a-9.00e20.00b28.00 32.00a35.00 33.00 15.00 6.00 -24.00 -28.00 -28.00j
1986-0.00 -22.00a18.00a9.00b24.00b39.00 36.00 36.00 29.00a16.00 -10.00a-3.00c-22.00k
1987-13.00b-13.00 -13.00a19.00 24.00 36.00a34.00 33.00a31.00 19.00 4.00b-10.00a-13.00h
1988-15.00a-23.00b6.00a17.00 29.00 35.00 37.00 34.00 30.00 11.00b-6.00 -11.00 -23.00f
1989-24.00 -40.00 -25.00 7.00a28.00 33.00 37.00 34.00 26.00 18.00 7.00d-14.00 -40.00e
1990-20.00b-24.00 -11.00 5.00 22.00 31.00 35.00a40.00d29.00a19.00b-2.00a-38.00a-38.00l
1991-26.00a2.00e-6.00 18.00e22.00d31.00j39.00c38.00a27.00 -6.00b-8.00b5.00c-----z
1992-1.00 3.00c11.00a8.00b20.00b33.00b35.00c20.00b28.00e12.00b6.00a-30.00a-30.00x
1993-23.00b-19.00 -4.00a21.00 28.00b32.00c34.00a32.00b27.00 12.00k-21.00 7.00b-23.00x
1994-9.00b-30.00 7.00 16.00b29.00 31.00d37.00 33.00c28.00b25.00 -0.00 -16.00 -30.00m
1995-6.00 -14.00b-10.00b15.00c20.00b30.00d34.00f34.00i20.00b5.00a-5.00c-25.00 -----z
1996-31.00 -21.00d-20.00b18.00a22.00f34.00e39.00 37.00 22.00 6.00a-24.00a-26.00 -31.00t
1997-26.00 2.00b-20.00a-5.00 25.00 31.00 38.00 30.00 28.00a20.00b6.00 6.00a-26.00g
1998-36.00 4.00 -8.00 20.00b20.00c-----z42.00h34.00g24.00f21.00f15.00a-26.00e-----z
1999-15.00c16.00d7.00e1.00b22.00d30.00a29.00b38.00c22.00b15.00d12.00b7.00h-----z
2000-10.00b-5.00 10.00a6.00a26.00b29.00d38.00 33.00a12.00e12.00a-5.00b-18.00b-18.00u
20015.00a-14.00b6.00b9.00a26.00c31.00b36.00b37.00 30.00a17.00 5.00a-3.00b-14.00q
2002-21.00 -14.00a-29.00 -11.00c19.00c30.00 39.00c34.00d28.00o-7.00l8.00i4.00j-----z
2003-4.00l-21.00k-16.00q-6.00e-----z-----z38.00 31.00 18.00 -----z-----z-5.00m-----z
2004-28.00c-12.00 2.00 14.00 16.00 29.00 39.00a37.00 32.00 18.00 7.00a-10.00f-28.00k
2005-32.00 -4.00 9.00v13.00b21.00d27.00c37.00g25.00 23.00e19.00b-1.00 -12.00u-----z
200614.00m-25.00e-6.00q19.00p21.00t32.00g39.00i36.00l-----z3.00m5.00q-0.00v-----z
2007-16.00k-6.00f15.00s4.00n28.00l32.00f40.00c36.00c28.00l21.00f-9.00g-9.00l-----z
2008-25.00u-----z3.00f5.00k22.00d29.00d-----z-----z-----z12.00e10.00a-27.00h-----z
2009-20.00i-9.00r-15.00g3.00c15.00g28.00i37.00j29.00f29.00m-1.00g17.00e-28.00 -----z
2010-17.00b-6.00 7.00c15.00 19.00c30.00c36.00a33.00 29.00b24.00f-20.00b-20.00a-20.00w
2011-28.00a-----z-11.00c-0.00a22.00a28.00b33.00b37.00a27.00 24.00a-7.00c-4.00a-----z
2012-26.00 -14.00 -2.00a16.00a26.00a34.00 34.00 30.00 27.00j8.00 -2.00 -11.00 -26.00m
2013-7.00a5.00 -3.00 2.00 16.00 30.00 39.00 40.00 28.00 -0.00 -8.00 -31.00 -31.00a
2014-21.00 -29.00 -23.00a3.00 -----z31.00 40.00 35.00 27.00 20.00 -22.00b-21.00 -----z
2015-12.00 -4.00 -11.00 20.00 24.00d35.00n34.00 31.00 26.00 25.00 -----z-----z-----z
2016-----z-----z-----z26.00e27.00a35.00l36.00 33.00 23.00 25.00r15.00b-22.00 -----z
2017-18.00e-27.00 -6.00e-----z-----z-----z37.00c36.00 26.00 -----z-----z-----z-----z
2018-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2019-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2020-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2021-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
2022-----z-----z-----z-----z23.00 31.00i-----z-----z-----z-----z-8.00e-40.00 -----z
2023-20.00 -32.00 -12.00j-----z32.00j-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN-18.13 -12.74 -4.75 10.38 23.35 31.39 36.32 34.19 25.20 13.59 -2.72 -17.54 -31.00
S.D.10.23 14.33 12.20 8.98 3.62 2.67 2.40 4.17 4.81 8.82 11.55 13.40 0.0
SKEW0.41 0.24 -0.13 -0.52 -0.17 0.73 -0.71 -1.39 -1.10 -0.85 -0.22 0.24 0.00
MAX5.00 16.00 18.00 26.00 29.00 39.00 40.00 40.00 32.00 25.00 17.00 7.00 -31.00
MIN-36.00 -40.00 -29.00 -11.00 16.00 27.00 29.00 20.00 12.00 -8.00 -24.00 -40.00 -31.00
YRS31 31 28 32 31 28 31 32 30 27 32 28 1