RIO GRANDE RESERVOIR, CO

Maximum of Precipitation (Inches)

(057050)

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
1977-----z-----z-----z-----z-----z-----z-----z-----z0.40 0.37 1.15 0.13 -----z
19780.60 0.78 0.45 0.55 1.00 0.17 0.24 0.61 0.22 1.00 0.85 1.00 1.00
19791.65 0.22 1.15 0.10 0.35 0.20 0.30 0.37 0.73 0.75 0.75 1.45 1.65
19801.85 0.75 0.23 0.65 0.64 0.00 0.25 0.93 0.85 0.60 0.20 0.50 1.85
19810.10 0.48 0.60 0.50 0.55 0.55 1.05 0.65 0.40 1.03 0.92 0.18 1.05
19820.30a0.18 0.30 0.35 0.70 0.37 0.58 0.59a0.60 0.95 0.85 1.40 1.40b
19830.12 0.17 0.38 0.15 0.24 0.85 0.40 0.55 0.90 0.85 0.60 0.35 0.90
19840.00b0.40 0.40 0.70 0.32 0.30 0.50 0.72a0.45 0.45 0.15 1.20 1.20c
19850.10 0.15 0.60 0.55 0.35 0.25 1.20 0.50 1.80 1.30 1.15 0.25 1.80
19860.00 0.25 0.45 0.45 0.65 0.25 0.70 0.40 0.55 1.00 1.30 0.10 1.30
19870.50 1.60 0.85 0.35 0.15 0.35 0.25 0.50 0.25 0.55 0.70a0.35 1.60a
19880.75 0.45 0.20 0.50 0.42 0.70 0.15 0.90 0.85 0.70 0.55 1.40 1.40
19890.75 1.10 1.05 0.30 0.25 0.17 0.80 1.35 1.35 0.95 0.15 0.05 1.35
19900.40 0.70 0.80 0.65 1.20 0.35 1.00 0.74 2.05 0.70 0.80 0.80 2.05
19910.25 0.10 0.60 0.20 0.70 0.36 0.55 0.80 0.70 0.70 1.70 0.30 1.70
19920.50 -----z0.30 0.35 0.40 0.55x0.55 1.45 0.52 0.40 0.40 0.58a-----z
19930.80 0.90 1.25 0.28 0.40 0.30 0.35 -----z-----z0.75a0.50 0.10 -----z
19940.05a0.50 0.38 0.37 0.52 0.85 0.08 0.80 0.85 1.00 1.20c0.45 1.20d
19950.30 0.45 0.60 0.30 0.30 0.97 0.47 0.26 0.43 0.00 0.20d0.07 0.97d
19960.20 0.50 0.13 0.15 0.30 0.78 0.37 0.60 1.07 1.70 0.55a0.10 1.70a
19971.00a0.30e1.40j0.32 0.39 0.60 0.96 0.39 2.05a1.15 0.85b0.41 2.05s
19980.23 0.10f1.20d0.21 0.12 0.14 0.50 0.54 1.34 2.10 0.90 0.15 2.10j
19990.13m0.30 0.18 1.34 0.35 0.24 0.80 0.88 0.55 0.20 0.00 0.08 1.34m
20000.10h0.72 1.70 0.15 0.30 0.28 1.09 0.43 0.32 1.15 0.32 0.20 1.70h
20011.10 0.33 0.65 1.15 1.30 0.12 0.25 0.56 0.69 0.12 0.22 0.25 1.30
20020.08 0.07 0.65h0.15 0.16 0.09 0.62 0.50 1.02 0.65 0.55b0.23f1.02p
20030.31g0.36 0.15h0.36 0.56 0.25 0.76 0.78 2.45 0.22 0.70 0.38k-----z
20041.45a0.82d0.19 0.70 0.13 0.61 0.52 0.25 1.50 1.14 1.18j1.40h1.50w
20051.00 0.23m0.56 0.60 0.17 0.29 0.18 0.98 1.15 1.11 0.35 0.30 1.15m
20060.85m0.29m0.60f0.62 0.65 0.62 0.75 1.02 0.60 1.38 0.50g1.40n-----z
20070.70f0.30l0.62 0.50 0.87 0.25 0.62 0.70 0.90 0.55 0.00j2.28j-----z
20081.00g0.62p0.35p0.42e0.65 0.05 0.52 0.95 0.82 0.60 0.70m0.77i-----z
20090.17i0.52m0.42m0.95 0.61 0.50 0.25 0.63 0.65 0.65 0.05 1.42 -----z
20101.80 0.80 0.85 0.80 0.10 0.30 0.72 0.70 0.93 0.90 0.22 0.85 1.80
20110.05 0.70 0.15 0.35 0.70 0.10 0.50 0.28 0.32 1.20 0.60 0.84 1.20
20120.41 1.10 0.42 0.25 0.56 -----z0.85 0.90 0.47 0.77 0.75 0.80 -----z
20131.40 0.41 0.25 0.53 0.25 0.05 0.68 0.67 1.10 1.02 1.28 0.60 1.40
20140.00 0.75 0.75 0.58 0.40 0.05 0.65 0.39 1.05 0.30 0.60 0.80 1.05
20150.12 1.25 0.39 0.15 0.80 0.55 0.37 0.98 0.53 0.85 0.51o0.60 1.25o
20161.20 0.10 1.00 0.35 0.42 0.50 0.62 0.85 0.60 0.35 0.45 0.75 1.20
20170.78 0.45 0.48 0.31 0.47 0.02 0.67 0.67 0.67 0.08 0.29 0.10 0.78
20180.53 0.80 0.24 0.50 0.30 0.18 0.51 0.54 0.27 0.69 0.14 0.70 0.80
2019-----z-----z-----z-----z-----z0.40o0.61s1.32l0.27g0.00w-----z-----z-----z
2020-----z-----z-----z-----z0.57f1.62t1.36s0.97i-----z-----z-----z-----z-----z
2021-----z-----z-----z0.60u2.60a0.97 2.34s1.44t0.45w-----z-----z-----z-----z
20220.72b1.10g0.28v-----z0.05 1.49w1.77t0.53s0.76v1.22w0.97w1.66w-----z
20230.99x1.56v1.38y-----z0.58w1.33v0.14 0.58x0.70x1.43y0.93d1.10v-----z
2024-----z0.93v-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN0.60 0.56 0.58 0.46 0.52 0.36 0.56 0.68 0.85 0.78 0.63 0.54 1.35
S.D.0.55 0.36 0.37 0.27 0.43 0.27 0.27 0.27 0.52 0.43 0.40 0.43 0.35
SKEW0.83 0.85 1.07 1.29 2.87 0.77 0.35 0.73 1.33 0.57 0.52 0.76 0.21
MAX1.85 1.60 1.70 1.34 2.60 0.97 1.20 1.45 2.45 2.10 1.70 1.45 2.05
MIN0.00 0.07 0.13 0.10 0.05 0.00 0.08 0.25 0.22 0.00 0.00 0.05 0.78
YRS35 34 35 41 43 40 42 40 41 42 38 36 25