RIO GRANDE RESERVOIR, CO

Average of Minimum Temperature (Degrees Fahrenheit)

(057050)

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
1977-----z-----z-----z-----z-----z-----z-----z-----z29.83 20.61 10.00 3.71 16.04h
1978-3.10 -6.39 6.06 17.23 20.65 28.43 32.65 29.26 30.30 22.77 5.70 -14.32 14.10
1979-14.42 -13.57 -5.42 4.33 18.16 25.73 39.97 38.35 32.50 25.52 3.90 -0.52 12.88
1980-3.42 -9.64d-4.90 2.97 18.81 25.90 31.39 29.06 32.37 20.26 11.53 7.10 13.45
1981-2.45 0.43 3.32 19.00 26.16 33.73 39.58 36.94 31.60 22.71 13.83 -1.13 18.64
1982-5.00 -5.11 6.00 18.13 27.00 31.20 37.68 40.13 32.70 19.03 6.24a-11.06 16.41
1983-7.68 -6.54 2.55 4.93 18.06 30.20 38.32 40.19 34.20 25.87 12.34a3.39 16.32
1984-13.61 -8.21 -0.90 7.13 22.13 27.07 34.81 33.93a26.20 14.13a8.57 1.81 12.75
1985-7.00 -7.86 4.68 12.73 21.90 27.00 39.52 37.39 29.30 22.39 11.63 -5.52 15.51
1986-5.19 -1.26a4.39 11.13 26.68 35.93 39.32 40.10 31.00 20.26 11.33i-5.97 17.85a
1987-8.84 -2.96 -6.58 8.57 20.77 30.10 37.10 37.52 26.63 22.71 8.89c0.32 14.52
1988-3.19 -0.89a6.06 19.93 28.42 37.07 39.71 41.29 31.40 26.45 12.67 -1.94 19.75
1989-8.06 2.61 14.26 23.37 30.42 33.43 41.03 36.29 30.30 22.94 12.67 2.50a20.15
1990-3.84 2.11 11.19 23.77 26.35 36.37 39.19 35.00 32.27 22.23 7.72a-7.77 18.72
1991-12.04c-2.59a4.37a13.59h26.64f33.30 38.40f38.17a31.33 24.24b4.65j-8.54c13.53d
1992-11.17a-3.81b7.61 22.37 30.48 33.08e36.44d35.47a28.93a24.29 -0.17a-8.76b16.23
1993-5.06 -1.61 5.00a14.43 27.26 33.50 38.35 -----z-----z22.38e8.10a-4.92f15.82c
1994-6.52d-7.32f10.29c19.00a30.50e38.07b39.52b41.31e33.27 23.27a2.39g-3.86b22.48b
1995-10.53p2.85b8.39c14.07c25.94 32.43 38.45 42.30a33.83 23.17b17.37k5.09h24.60c
1996-4.88e4.00a6.86c18.96b31.26 36.03a41.37a39.90a31.04e23.31b7.83g-4.30d20.32a
1997-4.00g-4.80h17.44m15.41c29.58 35.57 40.32 40.38b35.50d22.41b8.64e-6.18n28.48d
1998-4.32c-4.05f11.11m14.54b28.07a33.07 43.74 40.57a37.23d24.64c13.21f-1.20k27.19d
1999-1.73p0.43g15.55b15.32b26.93a34.33 44.16 41.90 33.27 23.59b13.43 0.69b24.92b
20001.05k5.19b8.11c21.00a30.32 36.30 41.27e41.97 34.17 26.14c-0.24e-1.44d22.07a
2001-10.83g-3.52e6.48 20.28a29.30a35.03 41.61 39.55b32.20 25.43a14.86a-8.00d21.20a
2002-2.77e-0.94k9.90j24.80 27.93c36.93 41.94 37.90 33.14a22.35 11.35m-5.61h27.78d
2003-2.22m-2.33g5.18i19.39g29.10 33.40 38.90 38.90 29.43 25.62b8.11c-7.20p29.07e
2004-11.65n-7.59g12.87 22.07 28.13 33.93 38.48 37.16 30.69a25.37a11.59m-0.60p28.59d
2005-2.63a0.47m5.06 16.33 28.48 34.53 40.35 39.90 35.07 27.55 16.60e2.48f24.13b
2006-4.41n-3.75l10.83g22.10a29.26 35.67 43.52 41.26 29.50 24.03 17.06l1.31o32.19e
2007-6.08g4.38l13.48 20.07 28.45 36.26c42.10 43.05i34.53 24.19 20.50j-2.00j28.44e
2008-13.46g-2.92q11.08r16.55h27.26 34.03 39.74 39.94 31.93 25.23 18.08r5.67j33.02f
2009-2.82i-1.33p7.62o17.17a31.97 34.37 40.61 36.58 33.43 20.63a13.52a-12.35 23.99c
2010-7.90b-9.82 -0.90 18.07a26.45 35.23 42.65 40.32 33.93 26.80a6.21a5.43a18.04
2011-11.13 -10.48a9.86b19.57 25.52 34.40 42.55 40.52 34.63 23.84 9.23 -9.00a17.46
2012-4.43a-7.90 7.65 22.27 29.13 -----z42.52 40.64f33.17 23.90 17.36s-4.26 15.78c
2013-12.35 -12.21 3.77 18.93 27.97a35.18h43.43j40.90 36.60 21.68 14.40 -7.32 13.24b
2014-3.35 3.68 9.13 17.97 27.16 34.37 42.58 39.48 36.23 27.68 14.21a1.74 20.91
2015-0.10 6.18 11.90 21.70 28.58 38.07 41.52 40.74 36.53 29.74 15.75r-1.65 23.02a
2016-8.45 2.17 12.39 18.53 28.26 38.33 41.45 39.10 34.63 27.52 15.87 -0.03a20.81
2017-1.03 5.96 13.32 19.47 27.87 36.60 43.65 38.94 34.57 25.84 20.40 7.94 22.79
2018-0.48 1.50 9.77 22.23 29.55 36.17 42.00 38.16 32.03 24.06 7.30 -1.74 20.05
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-----z23.65m-----z-----z
2022-0.29 -1.32 8.94 23.00 32.57h39.73 45.00 44.10 38.60 25.71 10.30 3.00 21.52a
2023-2.65 -1.64 6.42 17.24a30.97 34.80 43.23 44.06 36.50 27.61 15.43 1.48 21.12
20242.61 3.10 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z2.86j
Period of Record Statistics
MEAN-5.60 -2.42 6.58 17.25 27.00 33.90 40.20 38.87 32.71 23.87 10.38 -2.44 17.53
S.D.4.20 5.58 5.41 5.47 3.58 3.36 2.90 3.18 2.72 2.74 4.67 5.64 3.03
SKEW-0.41 -0.27 -0.71 -1.12 -1.21 -0.93 -1.03 -1.33 -0.19 -0.83 -0.37 -0.20 -0.09
MAX2.61 6.18 15.55 24.80 31.97 39.73 45.00 44.10 38.60 29.74 20.40 7.94 22.79
MIN-14.42 -13.57 -6.58 2.97 18.06 25.73 31.39 29.06 26.20 14.13 -0.24 -14.32 12.75
YRS33 32 36 40 41 41 41 40 43 44 31 33 20