SAN LUIS DAM, CA

Total of Precipitation (Inches)

(047846)

File last updated on September 17, 2019
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
19631.94p3.28 1.80 2.58 0.32 0.12 0.00 0.00 0.20 1.31 1.92 0.16 11.69a
19641.26 0.00 0.95 0.42 0.07 0.21 0.00 0.04 0.27 1.33 1.11 3.06 8.72
19651.29 0.50 0.79 2.18 0.04 0.00 0.00 0.16 0.00 0.03 4.97 1.72 11.68
19660.60 0.78 0.05 0.35 0.28 0.00 0.12 0.00 0.07 0.00 1.35 3.04 6.64
19673.06 0.23 1.10 2.61 0.12 0.40 0.00 0.00 0.02 0.15 1.05 1.11 9.85
19680.96 1.21 1.00 0.24 0.04 0.00 0.00 0.00 0.00 0.39 1.33 1.65 6.82
19696.22 4.26 0.46 0.78 0.00 0.08 0.00 0.00 0.77 0.98 0.72 0.78 15.05
19704.19 0.65 1.19 0.15 0.00 0.08 0.00 0.00 0.00 0.10 3.05 2.66 12.07
19710.79 0.22 0.69 1.48 0.91 0.00 0.00 0.00 0.02 0.32 0.27 2.04 6.74
19720.58 0.33 0.00 0.22 0.00 0.00 0.00 0.00 0.03 0.72 5.53 0.74 8.15
19732.67 3.62 1.21 0.16 0.00 0.00 0.00 0.00 0.00 1.09 1.46 1.96 12.17
19741.75 0.14 2.07 0.52 0.00 0.00 0.40 0.00 0.00 0.74 0.10 2.33 8.05
19750.17 2.67 2.57 0.64 0.00 0.00 0.04 0.27 0.01 0.62 0.03 0.15 7.17
19760.17 0.75 0.77 0.43 0.00 0.16 0.00 0.72 2.07 0.69 0.97 0.90 7.63
19770.83 0.22 0.55 0.00 1.39 0.24 0.00 0.00 0.18 0.05 0.20 2.59 6.25
19783.91 4.20 4.48 1.42 0.00 0.09 0.00 0.00 0.25 0.00 2.13 0.39 16.87
19792.55 2.71 2.13 0.22 0.04 0.00 0.05 0.00 0.00 0.93 0.87 1.16 10.66
19803.52 3.16 1.24 0.38 0.73 0.00 0.27 0.00 0.03 0.06 0.12 0.48 9.99
19812.61 1.35 2.17 0.66 0.01 0.00 0.00 0.00 0.00 0.84 3.22 0.75 11.61
19822.31 1.32 2.76a1.55 0.00 0.36 0.00 0.00a0.78 0.99 3.07 1.53 14.67
19833.34 2.51 3.96 1.52 0.06 0.00 0.00 1.88 1.34 0.62 2.53 3.15 20.91
19840.21 0.63 0.30 0.15 0.00 0.00 0.00 0.00 0.00 0.90 2.48 1.20 5.87
19850.97 0.50 1.34 0.10 0.00 0.12a0.00 0.00 0.00 0.36 2.97 1.04 7.40
19861.23 3.94 2.75c0.11 0.00 0.00a0.00 0.00 0.59 0.02 0.02 0.93 9.59
19871.15 2.46 1.89 0.17 0.32 0.00 0.00 0.00 0.00 1.11 0.37 1.99 9.46
19881.72 0.67 0.33 1.51 0.36 0.12 0.00 0.00 0.00 0.00 0.90 2.21 7.82
19890.55 1.15 0.70 0.03 0.00 0.00 0.00 0.03 1.47 0.40 0.39 0.16 4.88
19901.13 1.29 0.57 0.04 1.59 0.00 0.00 0.00 0.08 0.02 0.13 0.43 5.28
19910.30 1.87 4.64 0.45 0.18 0.00 0.00 0.07 0.00 0.27 0.26 1.28 9.32
19920.94 3.59 1.55 0.00 0.00 0.00 0.07 0.00 0.00 0.40 0.02 2.30 8.87
19935.31 3.51 2.58 0.20 0.39 0.12 0.00 0.00 0.00 0.07 0.58 0.93 13.69
19941.41 2.92 0.20 0.67 0.90 0.00 0.00 0.00 0.03 0.48 1.34 0.40 8.35
19955.74 0.34 5.07 0.58 0.26 0.05 0.01 0.00 0.00 0.00 0.00 2.17 14.22
19962.37 3.44 1.13 0.39 0.74 0.00 0.00 0.00 0.00 1.78 2.32 3.92 16.09
19975.91 0.13 0.03 0.01 0.16 0.05 0.00 0.00 0.00 0.17 2.95 1.95 11.36
19983.35 9.03 1.92 1.75 6.56 0.02 0.00 0.00 0.00 0.40 1.54 0.49 25.06
19992.39 1.10 2.08 0.48 0.08 0.00 0.00 0.00 0.00 0.03 0.40 0.05 6.61
20003.50 3.49 0.47 0.58 0.12 0.04 0.00 0.00 0.03 2.10 0.44 0.18 10.95
20012.81 2.43 1.40 0.62 0.00 0.00 0.00 0.00 0.06 0.13 1.97 2.23 11.65
20020.77 0.53 0.85 0.17 0.23 0.00 0.00 0.00 0.00 0.00 2.04 2.96 7.55
20030.67 1.41 0.97 0.58 0.68 0.00 0.00 0.35 0.00 0.08 0.64 3.36 8.74
20040.89 2.42 0.31 0.11 0.11 0.00 0.00 0.00 0.07 1.84 0.96 2.81 9.52
20051.74 3.12 2.13 0.70 0.61 0.71 0.00 0.04 0.03 0.06 0.28 2.59 12.01
20062.39 0.76 3.04 1.25 1.09 0.00 0.00 0.00a0.00 0.32 0.55 1.07 10.47
20070.58 1.49 0.28 0.32 0.01 0.00 0.00 0.00 -----z-----z-----z-----z2.68d
Period of Record Statistics
MEAN2.06 1.92 1.52 0.66 0.41 0.07 0.02 0.08 0.19 0.52 1.35 1.57 10.38
S.D.1.62 1.71 1.26 0.68 1.02 0.14 0.07 0.30 0.44 0.55 1.31 1.04 4.07
SKEW1.02 1.66 1.15 1.43 5.12 3.05 4.12 5.12 2.85 1.15 1.30 0.30 1.52
MAX6.22 9.03 5.07 2.61 6.56 0.71 0.40 1.88 2.07 2.10 5.53 3.92 25.06
MIN0.17 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 4.88
YRS44 45 45 45 45 45 45 45 44 44 44 44 43