RALSTON RESERVOIR, CO

Average of Minimum Temperature (Degrees Fahrenheit)

(056816)

File last updated on April 19, 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
1978-----z-----z-----z-----z43.53a53.63 59.84 55.94 51.07 -----z-----z-----z52.80g
1979-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1980-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1981-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1982-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1983-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1984-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1985-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1986-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1987-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1988-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1989-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1990-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1991-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1992-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1993-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1994-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1995-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1996-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1997-----z-----z-----z30.73 44.52 53.37 57.87 57.29 52.41a40.20a25.52a22.13 42.67c
199824.03 24.74a25.13a32.60 46.17a48.72a60.94 59.23 54.13 39.68 -----z21.23a39.69a
199925.24b26.52a28.87a29.61b42.48b51.43 60.77 58.65 46.40 39.13 35.61b26.65 39.28
200024.60a28.41 29.97 36.19d47.97a53.43 61.34b61.32 49.13 39.60a20.33 18.74 39.25
200121.71 19.54 28.61 37.30c45.16 55.24a62.97 60.29 52.20 38.47a32.87 23.37a39.81
200220.27a21.36 21.00b36.50 42.13a57.53 63.74 56.17b51.73 34.07a28.53 26.35 38.28
200327.81 19.04a30.40a38.17 45.13 49.93 63.43c60.22d48.04c43.52b26.63 24.74 39.75
200423.94 22.11a34.42 36.97 46.97 51.62a58.19 55.58 51.80 40.23 29.57 26.19 39.80
200525.19 25.71 29.87 36.17 46.13 54.03 63.00 58.10 51.80 39.77 32.23 22.58 40.38
200628.71 20.68 26.45 37.87 47.19 57.70 62.32 58.58 45.17 37.79b30.43 23.42 39.69
200715.10 21.18 33.67a34.20 45.90 54.50 61.97 60.55i50.90 41.13 29.57 18.19 36.94a
200818.61 22.31 26.77 32.43 42.60a53.07 61.45 57.26 47.90 39.81 32.60 18.00 37.73
200923.90 27.29 28.74 33.41a45.80a51.40 56.77 56.16 48.83 30.71 31.60 16.03a37.55
201022.65 17.63a28.65 35.00a39.23a54.77 59.48 59.65 52.17 43.03 28.40 24.65 38.77
201120.45 15.71 29.61 35.00 40.47a54.23 61.48 60.48 50.20 38.81 28.70 19.61 37.90
201225.26 19.28 35.61 38.93 45.48 59.00 63.03 58.94 52.40 37.81 33.50 21.94 40.93
201320.74 20.61 25.39 29.20 45.47a54.67 60.19 59.87 54.10 36.23 30.07c19.19 37.98
201422.19 17.57 26.42 35.53 43.97a53.03a60.29 57.35 50.77 42.19 26.17 22.87 38.20
201523.32 23.61 32.16 36.07 41.10 57.00 58.58 59.87h54.57 45.48 29.80 22.39 38.55a
201623.94 25.62h31.15e38.23 43.03a59.10a61.45 57.58 51.86a44.80a36.47 16.54e42.20a
201725.00s29.74a34.90a35.74c43.77a56.97 60.97 57.07a52.03 38.77 33.50 22.73a42.38a
201824.94 20.00f28.65 32.80 49.00 57.80 60.11d58.36c54.60e39.71c27.96b22.65 41.51a
201921.70a15.04 24.87 38.10 38.87 52.76a60.42 59.87 54.30 31.69b26.19c26.52 37.53
202025.06 18.83 31.52d33.10 46.03 56.63 61.97 61.48 52.03 37.03 33.93 25.74 40.28
202124.23a14.79 28.87 33.00 45.77 59.47 62.68 61.38e57.07 42.87 33.77 28.23 41.01
202220.23 15.36 28.23a34.97 45.97 57.97a64.06 63.45 57.33 43.68 24.90 21.47a39.80
202321.77 20.64 23.48 32.97 47.87 53.20 62.26 60.68 54.07 40.19 32.53 29.48 39.93
202419.61 26.48 29.84 38.63k-----z-----z-----z-----z-----z-----z-----z-----z25.31i
Period of Record Statistics
MEAN22.89 21.37 29.01 34.84 44.56 54.72 61.13 58.88 51.75 39.50 30.05 22.65 39.19
S.D.2.91 4.31 3.48 2.65 2.58 2.84 1.83 2.00 2.86 3.54 3.73 3.49 1.12
SKEW-0.45 0.24 -0.09 -0.43 -0.58 -0.07 -0.52 0.20 -0.27 -0.68 -0.50 -0.08 -0.09
MAX28.71 29.74 35.61 38.93 49.00 59.47 64.06 63.45 57.33 45.48 36.47 29.48 41.01
MIN15.10 14.79 21.00 29.20 38.87 48.72 56.77 55.58 45.17 30.71 20.33 16.03 37.53
YRS26 25 27 27 28 28 28 26 28 27 26 27 20