ALAMO DAM, AZ

Total of Precipitation (Inches)

(020100)

File last updated on May 8, 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
1975-----z-----z-----z-----z-----z-----z1.02 0.26 0.59 0.05 0.77 0.33 3.02f
19760.23 1.14 0.23 1.04 0.51 0.03 0.46 0.35 3.61 1.95 0.15 0.24 9.94
19770.40 0.04 0.10 0.00 0.63 0.00 0.23 0.14 0.22 0.49 0.13 0.27 2.65
19783.47 1.51 2.13 0.29 0.02 0.00 0.90 0.94 0.01 1.48 2.16 3.02 15.93
19792.12 0.22 2.08 0.01 0.22 0.00 1.49 1.79 0.29 0.32 0.00 0.31 8.85
19802.45 2.90 0.95 0.14 0.35 0.00 0.29 0.71 0.16 0.65 0.00 0.05 8.65
19810.35 0.65 1.62 0.04 0.00 0.02 0.42 0.63 1.73 0.94 0.89 0.00 7.29
19820.40 1.64 2.07 0.09 0.92 0.00 0.78 5.62 0.09 0.02 1.18 1.92 14.73
19830.70 1.06 3.12 0.33 0.01 0.00 0.00 1.40a5.65 1.66 0.24 0.44 14.61
19840.00 0.00 0.00 0.00 0.00 0.17 0.94 3.60 0.51 0.00 1.37 3.52 10.11
19851.08 1.10 0.02 0.21 0.24 0.00 0.72 0.00 1.02 0.73 2.95l0.04 5.16a
19860.38 1.13 1.24 0.11 0.10 0.00 1.31 1.30 0.77 1.15 1.11 1.01 9.61
19870.99 1.27 0.18 0.02 0.04 0.00 0.07 1.18 0.14 1.58 1.43 0.48 7.38
19880.83 0.76 0.10 1.37 0.00 0.05 0.54 4.46 0.07 0.00 0.27 0.19 8.64
19891.91 0.03 0.16 0.00 0.11 0.00 0.72 2.44 0.00 0.55 0.00 0.49a6.41
19901.36 0.74 0.11 0.28 0.03 0.28 1.36 0.98 1.89 0.10 0.50 0.00 7.63
19910.59 0.89 3.38 0.00 0.00 0.00 0.85 0.25 0.37 0.24 0.72 0.69 7.98
19921.23 1.78 2.77 0.58 0.13 0.00 0.00 2.16 1.85 0.32 0.00 2.88 13.70
19934.31 3.83 1.50 0.00 0.31 0.00 0.00 1.45 0.00 0.45 1.04 0.07 12.96
19940.10 0.86 1.04 0.15 0.34 0.00 0.10 1.31 2.30 0.15 0.29 1.28 7.92
19952.68 1.70 1.17 1.13 0.05 0.00 0.20 1.75 0.02 0.00 0.26 1.00 9.96
19960.05 0.88 0.25 0.00 0.05 0.00 0.04 0.67 0.12 0.03 0.21 0.09 2.39
19971.80 0.51 0.00 0.31 0.00 0.15 0.04 1.55 2.36 0.02 0.15 1.11 8.00
19980.64 3.26 0.97 0.42 0.21 0.00 2.19 1.20 1.62 0.09 0.96 0.45 12.01
19990.18 0.61 0.10 1.04 0.00 0.10 3.03 0.62 0.42 0.00 0.00 0.00 6.10
20000.03 0.79 0.76 0.00 0.00 0.95 0.15 2.38 0.00 2.95 0.09 0.02 8.12
20011.58 1.63 0.71 0.09 0.26 0.00 0.23 0.70 1.23 0.68 0.19 0.55 7.85
20020.00 0.00 0.05 0.00 0.00 0.00 0.65 0.04 0.04 0.57 0.76 0.13 2.24
20031.28 2.74 1.77 0.27 0.00 0.00 0.45 2.30 0.10 0.00 0.83 0.98 10.72
20040.18 1.25 0.02 0.93 0.00 0.00 0.46 0.15 1.80 4.81 4.15 0.50 14.25
20053.26 3.47 0.75 0.37 0.00 0.02 0.60 4.56 0.00 1.53 0.14 0.00 14.70
20060.00 0.06 0.50 0.03 0.00 0.01 0.78 0.13 1.22 0.43 0.00 0.12a3.28
20070.18 0.30 0.26 0.00 0.00 0.00 0.72b1.96 0.40 0.25 0.00 1.27 5.34
20082.42 0.46 0.13 0.00 0.31 0.00 0.50 0.52c0.17 0.00 1.83 0.32 6.66
20090.06 1.16 0.00 0.00 0.00 0.00n1.12 0.23 0.08 0.00 0.00 0.00 2.65a
20102.39 1.46 0.85 0.00 0.00 0.20 0.00 1.12a0.00 0.49 0.00 1.09 7.60
20110.00c1.21c0.14a0.53a0.00a0.00c0.69 0.81b0.18c0.72b0.79b1.65b6.72
20120.00a0.17a0.42g0.31d0.00c0.00a2.93a1.28 0.33a0.23b0.04c1.40b6.69a
20131.47 0.41 0.23f0.00 0.00 0.00 1.48 1.67a0.72 0.11 1.35 0.01 7.22a
20140.00c0.00e0.49b0.25b0.00 0.00 1.10 2.17 2.96 0.13 0.00b0.84a7.94
20150.99b0.49 0.97b0.38a0.50d0.14 0.96a1.55a0.40 1.00a0.08b0.24f7.46a
20160.94d0.20c0.02j0.25a0.13 0.00 0.11a1.73 0.60 0.51a0.26a2.21 6.94a
20171.54a2.06a0.23b0.00 0.40d0.00 1.10a0.12a1.20b0.00a0.00a0.00 6.65
20180.73a0.56f0.14d0.00f0.00 0.00 3.16a1.06 0.00a1.13a0.22a0.15a6.59b
20193.29a2.07 0.42a0.34b0.22a0.00 0.08 0.05a1.66 0.00a2.70 1.36c12.19
20200.02a0.63a3.26a0.05a0.00 0.00a0.00 0.92b0.01a0.00 0.02 0.06a4.97
20211.27 0.03 0.06b0.24c0.00a0.44a3.47a1.50 0.39d0.45d0.00 1.10g7.85a
20220.26 0.29b0.55g0.00 0.00b0.09b0.29 2.84c2.59b0.51 0.38a0.69b7.94a
20231.56 1.16 2.19a0.00 0.35 0.00a0.00 0.67 0.61 0.00 0.07a0.62 7.23
20240.67 1.18a1.03 0.60 -----z-----z-----z-----z-----z-----z-----z-----z3.48h
Period of Record Statistics
MEAN1.07 1.08 0.89 0.25 0.13 0.06 0.79 1.37 0.87 0.60 0.58 0.72 8.72
S.D.1.08 0.94 0.97 0.34 0.20 0.16 0.86 1.22 1.14 0.88 0.82 0.85 3.54
SKEW1.10 1.18 1.16 1.69 1.83 4.29 1.67 1.56 2.05 2.83 2.32 1.63 0.24
MAX4.31 3.83 3.38 1.37 0.92 0.95 3.47 5.62 5.65 4.81 4.15 3.52 15.93
MIN0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 2.24
YRS49 48 45 48 48 47 49 49 49 49 48 47 39