COPCO NO 1 DAM, CA

Maximum of Precipitation (Inches)

(041990)

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
1959-----z-----z-----z-----z0.85 0.07 0.00 1.15 0.36 0.15 0.02 0.54 -----z
19600.36 1.40 0.65 0.33 0.63 0.00 0.06 0.01 0.00 0.50 1.74 1.98 1.98
19610.87 0.81 0.45 1.47 0.31 0.35 0.00 0.22 0.77 1.80 2.16 0.80 2.16
19620.60 0.27 0.29 0.46 0.46 0.08 0.03 0.24 0.56 0.45f0.69 1.51 1.51f
19630.81 0.68 0.38 0.85 0.31 0.67 0.01 0.08 0.17 0.50 1.12 0.42 1.12
19642.95 0.27 0.30c0.44 0.28 0.70 0.17 0.22 0.08 0.13 0.37 2.90 2.95c
19650.64 0.45 0.05 0.84 0.08 0.28 0.15 0.66 0.00 0.11 1.03 0.66 1.03
19661.55 0.22 0.60 0.23 0.18 0.15 0.05 0.63 0.50 0.13 0.99 1.94 1.94
19671.10 0.27 0.88 0.63 1.04 0.51 0.00 0.00 0.18 0.70 0.64 0.82 1.10
19680.75 0.66 0.44 0.29 0.29 0.26 0.00 0.40 0.07 0.43 0.70 0.57 0.75
19691.67 0.43 0.50 0.61 0.16 0.27 0.32 0.00 0.16 0.47 0.88 1.94 1.94
19701.14 0.86 0.71 0.11 0.32 0.92 0.01 0.00 0.02 0.81 1.45 0.73 1.45
19711.09 0.15 1.08 0.52 0.83 0.40 0.22 0.13 0.61 0.65 1.01 0.49 1.09
19722.34 0.90 1.22 0.42 0.27 0.70 0.00 0.25 0.26 0.35 0.23 0.71 2.34
19730.60 0.30 0.42 0.36 0.38 0.04 0.03 0.02 0.39 1.62 1.30 0.60 1.62
19742.27 0.70 0.84 1.40 0.05 0.00 0.14 0.20 0.00 0.39 0.48 0.63 2.27
19750.75 0.89 2.15 0.33 0.15 0.98 0.72 0.24 0.22 0.66 0.64 0.70 2.15
19760.31 0.68 0.58 0.30 0.14 0.16 0.23 1.47 0.47 0.29 0.66 0.14 1.47
19770.71 0.38 0.31 0.11 0.69 0.36 0.06 0.21 1.09 0.85 1.28 1.41 1.41
19780.62 0.65 0.82 0.41 0.48 0.80 0.15 1.13 0.51 0.03 0.68 0.25 1.13
19791.07 0.79 0.38 0.38 0.88 0.08 0.15 0.49 0.31 1.20 0.92 0.85 1.20
19801.14 0.76 0.49 0.70 0.38 0.46 0.05 0.00 0.38 0.53 0.72 0.78 1.14
19810.42 0.51 0.69 0.62 0.82 0.13 0.01 0.00 0.63 0.53 1.48 1.36 1.48
19820.63 2.18 0.58 0.14 0.16 0.30a0.24 0.29 0.30 0.68 0.85 1.37 2.18a
19830.43 0.74 0.94 0.32 0.45 0.37 0.20 2.00 0.22 0.80 0.87 1.17 2.00
19840.14 0.94 0.53 0.38 0.27 0.34 0.03 0.69 0.10 0.45 1.06 0.48 1.06
19850.06 1.32 0.19 0.10 0.66 0.36 0.57 0.08 0.90 0.66 0.77 0.36 1.32
19860.91 1.00 1.06 0.41 0.41 0.46 0.00 0.02 0.62 0.45 0.48 0.21 1.06
19871.10 0.59 0.33 0.08 0.57 0.47 0.53 0.34 0.13 0.01 0.47 1.01 1.10
19880.80 0.06 0.50 0.30 0.69 1.15 0.00 0.21 0.20 0.00 1.09 0.38 1.15
19890.70 0.35 0.80 0.70 0.98 0.27 0.00 0.41 1.60 0.82 0.36 0.82 1.60
19902.08 0.42 0.51 0.64 0.98 0.11 0.72 0.25 0.52 0.34 0.83 0.65 2.08
19910.37 0.43 0.55 0.29 0.93 0.82 0.50 0.20 0.10 0.41 0.78 0.51 0.93
19920.40 0.43 0.54 0.47 0.17 0.53 0.88 0.01 0.32 0.45 0.53 0.85 0.88
19931.26 0.83 0.64 1.00 1.51 0.78 0.08 0.48 0.04 0.25 0.34 0.63 1.51
19940.31 0.32 0.29 0.18 1.46 0.19 0.07 0.00 0.20 0.15 0.82 0.43 1.46
19950.70 0.48 0.86 1.12 0.33 0.96 0.60 0.01 0.04 0.61 0.32 1.63 1.63
19961.08 0.54 0.52 0.56 0.52 0.72 0.28 0.06 0.75 0.38 1.04 1.40 1.40
19971.78 0.28 0.59 0.31 0.80 1.80 0.62 0.95 0.60 0.58 0.47 0.42 1.80
19981.45 1.17 0.75 0.40 0.87 0.40 0.30 0.00 0.40 0.32 1.57 0.89 1.57
19991.60 0.98 0.30 0.43 0.17 0.05 0.00 0.57 0.00 0.81 0.85 0.36 1.60
20002.00 0.90 0.62 0.80 0.27 0.13 0.05 0.22 0.15 0.77 0.27 0.64 2.00
20011.20 0.34a0.27 0.44 0.42 0.43 0.39 0.00 0.61 0.23 0.87 1.45 1.45a
20020.41 0.71 0.40 1.94 0.22 0.40 0.01 0.01 0.02 0.02 0.90 2.52 2.52
20030.75 0.34 0.70 0.63 0.26 0.00 0.22 0.25 0.16 0.00 0.61 0.73 0.75
20040.77 1.69 0.68 0.39 0.55 0.07 0.46a0.15p0.05 1.46 0.52 1.42f1.69w
20050.90 0.43 0.53 1.07 0.59 0.25 0.01 0.00 0.25 0.27 1.55 1.48 1.55
20060.87 0.86 0.35 0.26 0.23 0.58 0.00 0.05 0.10 0.45 0.71 1.23 1.23
20070.98 1.74 0.30 0.17 0.37 0.85 1.05 0.08 0.10 1.93 0.71 0.81 1.93
20083.00 0.43e0.17 0.19 0.45 0.27 0.00 0.12 0.00 0.51 0.92 1.50 3.00e
20090.60 0.80 0.56 0.41 0.98 0.60 0.00 0.07 0.00 0.12 0.32 0.25 0.98
20100.75 0.25 0.53 0.75 0.23 0.45 0.10 0.03 0.46 1.47 2.00 0.92 2.00
20110.46 1.04 0.59 0.39 0.53 0.66a0.26a0.24 0.03 0.50 0.80 0.59 1.04b
20121.30 0.78 0.55 0.60 0.09b0.56b1.25 0.01a0.00a0.48 0.94a1.79 1.79g
20130.70 0.10 0.15 0.12b0.50 0.20 0.00 0.29 0.83 0.13 0.25 0.10 0.83b
20140.15 1.02 1.05 0.92 0.38 0.24 0.40 0.38 1.30 0.93c0.89a0.92 1.30d
20150.51b1.28b0.58b0.20a0.45d0.50d0.19b0.16a0.09a0.26a0.26a1.24 1.28u
20161.47a1.02b0.92d0.19b0.54 0.80 0.08a0.00 0.28 2.60c0.75 1.41e2.60r
20170.64c0.67c0.55d0.70b0.17c0.15 0.00a0.07d0.08b0.70b0.53a0.49 0.70y
20180.67b0.14b0.60c0.65c0.46 0.24b0.00f0.00c0.13a0.18 0.66 0.65 0.67v
20190.50a1.50a0.28 0.84 0.63 0.00 0.00 0.53 0.60 0.38 0.35a0.47 1.50c
20200.54a0.14b0.28b0.11a0.72a0.10 0.00 1.29d0.00b0.06c0.91e0.95a1.29v
20210.41a0.56 0.37 0.35c0.19c0.30 0.00c0.00f0.61a1.47 0.23 0.90 1.47q
20220.65d0.24f0.26e0.70 0.25d0.46d0.14b0.00c0.34e0.11c0.48e1.77c-----z
20230.67d1.00c0.90l-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN0.94 0.70 0.57 0.52 0.49 0.42 0.20 0.29 0.33 0.57 0.80 0.94 1.52
S.D.0.62 0.43 0.32 0.36 0.32 0.33 0.28 0.40 0.33 0.51 0.43 0.58 0.49
SKEW1.46 1.05 2.10 1.59 1.09 1.38 1.81 2.20 1.52 1.72 0.98 1.12 0.60
MAX3.00 2.18 2.15 1.94 1.51 1.80 1.25 2.00 1.60 2.60 2.16 2.90 2.95
MIN0.06 0.06 0.05 0.08 0.05 0.00 0.00 0.00 0.00 0.00 0.02 0.10 0.75
YRS64 63 63 63 64 64 63 62 64 63 64 63 52