RIO GRANDE RESERVOIR, CO

Minimum of Minimum Temperature (Degrees Fahrenheit)

(057050)

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
1977-----z-----z-----z-----z-----z-----z-----z-----z19.00 12.00 -12.00 -21.00 -----z
1978-29.00 -34.00 -16.00 6.00 4.00 22.00 26.00 23.00 15.00 10.00 -20.00 -46.00 -46.00
1979-42.00 -31.00 -31.00 -28.00 2.00 14.00 33.00 29.00 25.00 -3.00 -15.00 -30.00 -42.00
1980-32.00 -40.00d-29.00 -28.00 10.00 15.00 24.00 19.00 24.00 8.00 -4.00 -14.00 -40.00d
1981-18.00 -18.00 -18.00 -6.00 16.00 21.00 34.00 31.00 24.00 7.00 -14.00 -23.00 -23.00
1982-30.00 -36.00 -17.00 3.00 17.00 26.00 30.00 32.00 24.00 6.00 -18.00a-35.00 -36.00a
1983-25.00 -31.00 -21.00 -19.00 6.00 20.00 32.00 34.00 20.00 19.00 -14.00a-24.00 -31.00a
1984-38.00 -27.00 -22.00 -11.00 7.00 17.00 30.00 29.00a10.00 -2.00a-12.00 -24.00 -38.00b
1985-32.00 -36.00 -15.00 -10.00 9.00 17.00 25.00 29.00 14.00 10.00 -12.00 -35.00 -36.00
1986-22.00 -26.00a-17.00 -8.00 11.00 29.00 32.00 33.00 21.00 3.00 -4.00i-21.00 -26.00j
1987-29.00 -25.00 -26.00 -8.00 -0.00 15.00 31.00 25.00 22.00 14.00 -13.00c-22.00 -29.00c
1988-25.00 -19.00a-16.00 -0.00 17.00 24.00 35.00 33.00 21.00 21.00 -3.00 -35.00 -35.00a
1989-36.00 -32.00 -14.00 12.00 18.00 17.00 32.00 26.00 23.00 3.00 -6.00 -11.00a-36.00a
1990-21.00 -23.00 -13.00 12.00 14.00 21.00 32.00 30.00 27.00 7.00 -17.00a-36.00 -36.00a
1991-22.00c-13.00a-13.00a-0.00h14.00f28.00 33.00f35.00a24.00 5.00b-18.00j-17.00c-----z
1992-20.00a-22.00b-10.00 12.00 26.00 28.00e32.00d25.00a22.00a14.00 -17.00a-24.00b-24.00q
1993-27.00 -19.00 -14.00a-3.00 17.00 27.00 33.00 -----z-----z4.00e-11.00a-17.00f-----z
1994-26.00d-26.00f-4.00c6.00a20.00e32.00b34.00b37.00e27.00 14.00a-16.00g-27.00b-----z
1995-24.00p-13.00b-22.00c-9.00c17.00 27.00 30.00 37.00a22.00 8.00b-3.00k-11.00h-----z
1996-24.00e-16.00a-15.00c9.00b23.00 29.00a38.00a35.00a15.00e3.00b-12.00g-33.00d-----z
1997-24.00g-19.00h4.00m-8.00c16.00 31.00 32.00 34.00b28.00d1.00b-9.00e-17.00n-----z
1998-21.00c-13.00f-6.00m5.00b22.00a26.00 38.00 37.00a24.00d15.00c-2.00f-16.00k-----z
1999-14.00p-17.00g-1.00b-10.00b11.00a28.00 39.00 35.00 21.00 15.00b-5.00 -10.00b-----z
2000-15.00k-15.00b-15.00c3.00a23.00 30.00 35.00e38.00 21.00 17.00c-14.00e-11.00d-----z
2001-24.00g-27.00e-13.00 8.00a23.00a23.00 36.00 31.00b24.00 16.00a-13.00a-20.00d-27.00v
2002-20.00e-17.00k-6.00j15.00 22.00c18.00 38.00 27.00 15.00a11.00 2.00m-19.00h-----z
2003-10.00m-21.00g-5.00i1.00g18.00 29.00 30.00 30.00 22.00 13.00b-20.00c-19.00p-----z
2004-29.00n-25.00g-10.00 14.00 19.00 29.00 32.00 27.00 20.00a11.00a-24.00m-16.00p-----z
2005-23.00a-18.00m-9.00 -6.00 18.00 28.00 35.00 35.00 26.00 18.00 -0.00e-20.00f-23.00y
2006-17.00n-20.00l-16.00g13.00a22.00 31.00 37.00 33.00 15.00 10.00 3.00l-16.00o-----z
2007-27.00g-13.00l-16.00 3.00 19.00 31.00c39.00 32.00i24.00 11.00 19.00j-27.00j-----z
2008-30.00g-15.00q-2.00r5.00h13.00 25.00 35.00 34.00 28.00 10.00 3.00r-20.00j-----z
2009-15.00i-13.00p-8.00o-0.00a23.00 28.00 34.00 33.00 22.00 -4.00a1.00a-23.00 -----z
2010-22.00b-23.00 -11.00 -6.00a12.00 29.00 32.00 34.00 26.00 9.00a-14.00a-31.00a-31.00f
2011-35.00 -31.00a-8.00b5.00 7.00 23.00 34.00 35.00 27.00 12.00 -0.00 -24.00a-35.00d
2012-17.00a-16.00 -22.00 14.00 22.00 -----z38.00 36.00f27.00 8.00 -3.00s-23.00 -----z
2013-35.00 -23.00 -16.00 4.00 16.00a26.00h40.00j34.00 18.00 10.00 -1.00 -29.00 -35.00s
2014-18.00 -25.00 -2.00 4.00 13.00 27.00 39.00 33.00 29.00 21.00 -1.00a-24.00 -25.00a
2015-23.00 -8.00 -19.00 13.00 22.00 33.00 36.00 36.00 30.00 19.00 -2.00r-22.00 -23.00r
2016-24.00 -30.00 -9.00 -0.00 20.00 31.00 36.00 34.00 22.00 17.00 -8.00 -19.00a-30.00a
2017-31.00 -17.00 -17.00 1.00 12.00 30.00 34.00 35.00 22.00 16.00 7.00 -8.00 -31.00
2018-19.00 -23.00 -8.00 11.00 18.00 30.00 36.00 33.00 25.00 10.00 -5.00 -19.00 -23.00
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-----z15.00m-----z-----z
2022-19.00 -21.00 -20.00 4.00 18.00h28.00 38.00 37.00 31.00 11.00 -3.00 -19.00 -21.00h
2023-26.00 -26.00 -21.00 -7.00a25.00 28.00 36.00 39.00 30.00 9.00 -6.00 -22.00 -26.00a
2024-19.00 -16.00 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN-25.76 -23.81 -15.28 0.25 15.85 25.49 33.71 32.15 22.70 10.20 -9.00 -23.70 -33.22
S.D.6.49 7.71 6.74 10.79 6.47 5.28 3.66 4.40 4.70 6.10 6.94 8.39 6.48
SKEW-0.72 -0.11 -0.08 -0.80 -0.64 -0.78 -0.70 -0.97 -0.56 -0.38 0.30 -0.36 -0.02
MAX-17.00 -8.00 -1.00 15.00 26.00 33.00 39.00 39.00 31.00 21.00 7.00 -8.00 -23.00
MIN-42.00 -40.00 -31.00 -28.00 -0.00 14.00 24.00 19.00 10.00 -4.00 -20.00 -46.00 -46.00
YRS33 32 36 40 41 41 41 40 43 44 31 33 18