PALO ALTO, CA

Maximum of Precipitation (Inches)

(046646)

File last updated on April 25, 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
1953-----z-----z-----z-----z-----z-----z-----z-----z0.00 0.11 1.40 0.16 -----z
19540.85 0.74 0.97 0.36 0.03 0.16 0.00 0.00 0.00 0.01 0.38 0.87 0.97
19551.13 0.93 0.02 0.43 0.57 0.00 0.02 0.00 0.00 0.00 0.60 2.77 2.77
1956-----z0.55 0.07 0.23 0.92 0.00 0.00 0.00 0.24 0.30 0.02 0.37 -----z
19571.24 0.68 0.54 0.52 0.41 0.03 0.00 0.00 0.32 0.70 0.20 1.28 1.28
19581.31 1.50 1.52 1.55c0.27 0.06 0.00 0.00 0.05 0.02 0.06 0.45 1.55c
19591.28 1.22 0.06 0.02 0.00 0.00 0.00 0.01 1.78 0.00 0.00 1.08 1.78
19600.66 0.49a0.26 0.47 0.10 0.00 0.00 0.00 0.00 0.01 1.40 0.56 1.40a
19610.93 0.30 0.83 0.35 0.26 0.04 0.00 0.03 0.26 0.10 1.70 0.71 1.70
19620.75 1.09 0.75 0.06 0.00 0.00 0.00 0.00 0.00 1.86 0.33 1.77a1.86a
19631.41 1.74 1.06 1.00 0.28 0.02 0.00 0.03 0.17 0.57 1.36 0.10 1.74
19641.70 0.18 0.26 0.15 0.31 0.45 0.00 0.12 0.00 0.61 0.89 1.22a1.70a
19650.54 0.40 0.72 0.63 0.00 0.00 0.00 0.01 0.01 0.00 0.72 1.34 1.34
19661.19 0.29 0.37 0.33 0.06 0.06 0.33 0.03 0.10 0.00 0.82 1.03 1.19
19673.70 0.11 0.87 0.63a0.08 0.12 0.00 0.00 0.02 0.15 0.62 0.46 3.70a
19681.43 0.14 1.18 0.78 0.10 0.00 0.00 0.04 0.00 0.23 0.93 0.95 1.43
19691.82 0.72 0.39 0.71 0.01 0.00 0.00 0.00 0.03 0.30 0.26 0.37 1.82
19701.33 0.40 0.70 0.07 0.01 0.10 0.00 0.00 0.00 0.26 2.48 1.33 2.48
19710.47 0.25 0.68 0.50 0.04 0.00 0.01 0.01 0.13 0.01 0.35 1.14 1.14
19720.57 0.35 0.05 0.15 0.00 0.15 0.00 0.00 0.50 1.39 1.55 0.35 1.55
19731.21 1.68 0.59 0.13 0.00 0.00 0.00 0.00 0.00 1.10 1.46 1.88 1.88
19741.82 0.27 0.75 0.35 0.08 0.18 0.06 0.00 0.00 0.45 0.16 0.80 1.82
19750.15 0.58 1.04 0.56 0.00 0.03 0.15 0.45 0.00 0.32 0.20 0.10 1.04
19760.14 0.33 0.64 0.17 0.00 0.07 0.03 0.39 0.34 0.37 0.45 0.57 0.64
19770.83 0.25 1.29 0.01 0.36 0.00 0.00 0.00 0.34 -----z0.55 0.94 -----z
19781.12 0.92 0.98 0.94 0.00 0.00 0.00 0.00 0.04 0.00 0.21c0.13 1.12c
19790.92 1.19 0.82 0.24 0.10 0.00 0.14 0.00 0.00 0.80 0.65 1.38 1.38
19800.87 1.40 0.38 0.50 0.01a0.00 0.32 0.00 0.00 0.02 0.13 0.92 1.40a
19811.06 0.66 0.72 0.25 0.22 0.00 0.00 0.00 0.07 1.08 1.88 1.13 1.88
19822.60a1.61 0.98 0.78 0.00 0.39 0.00a0.00 0.40 0.81 0.94a1.25 2.60c
19831.79 1.15 1.20 0.71 0.31 0.00 0.00 0.06 0.94 0.52 0.54c0.96 1.79c
19840.17 0.48 0.53 0.24 0.00 0.03 0.00 0.07 0.05 0.75 1.15 0.55 1.15
19850.28 -----z0.82 0.02 0.06 0.09 0.02 0.00 0.15 0.78 0.55 0.89 -----z
19860.50 1.88 1.20 0.17 0.16 0.00 0.02 0.00 0.20 0.03 0.06 0.40 1.88
19870.38 -----z-----z0.18 0.03 0.00 0.00 0.00 0.00 0.76 0.43 0.65 -----z
19881.56 0.23 0.03 0.48 0.25 0.07 0.00 0.00 0.00 0.20 0.60 0.87 1.56
19890.55 0.51 0.45 0.45a0.08 0.00 0.00 0.03 0.38 0.49 0.86 0.01 0.86a
19900.44 0.77 0.27 0.13 0.00a-----z0.05 0.00 0.13 0.10 0.12 0.80 -----z
19910.25 1.27 1.03 0.20 0.08a0.00 0.00 0.12 0.06 0.88 0.37 1.39 1.39a
19920.61 1.83 0.78 0.09 0.00 0.04 0.00 0.10 0.00 0.90 0.05 0.82 1.83
19931.49 1.50 0.98 0.24 0.12 0.13 0.00 -----z0.00 0.25 0.83 0.72 -----z
19940.66 0.68 0.35 0.55 1.02 0.02 0.00 0.00 0.01b0.30 0.70 0.47 1.02b
19952.02 0.18 1.40 0.35 0.25 0.82 0.00 0.00 0.00 0.00 0.03 1.92 2.02
19961.17 0.95 0.75 0.42 0.78 0.00 0.00 0.00 0.00 0.22 1.40 1.41 1.41
19971.78 0.14 0.08 0.17 0.28 0.00a0.00 0.58 0.01 0.45 1.50 0.65 1.78a
19980.97 3.75 0.87 0.39 0.60 0.00 0.00 0.00 0.03 0.57f0.99 0.25 3.75f
19991.03a1.07 0.85 0.51 0.02 0.27 -----z-----z-----z-----z0.36g0.14a-----z
20001.67 1.58 -----z-----z-----z-----z-----z-----z-----z0.52 0.20 0.20d-----z
20010.83o0.64a0.64 0.37 0.00 0.13 0.00 0.00 0.08a0.10 1.02b1.00 1.02s
20020.33 0.72 0.70 0.19 0.27b0.00 0.00 -----z0.00 0.00 -----z1.65 -----z
20030.08 0.61 0.80 0.78d0.20 0.00 0.00 0.00 0.00 0.00 1.10h1.60 1.60l
20041.67 0.75b0.31e0.13c0.06 0.00 0.00 0.00 0.00b0.79 0.22 1.07 1.67l
20050.60a1.38a0.52a0.70 0.58b0.08 0.00 0.00 0.00 0.16 0.33 1.57a1.57f
20061.50b0.71 1.04c0.61 0.10a0.00b0.00 0.00d0.00c0.38a0.31a1.00 1.50q
20070.20 0.51 0.14 0.13 0.05d0.00e0.00 0.00 0.12 0.50c0.50b0.40 0.51n
20082.10a0.74 0.14 0.00 0.00b0.00 0.00 0.00 0.00a0.13a1.08 0.75 2.10e
20090.90e2.55a0.98b0.11 0.20 0.00 0.00 0.02b0.22a1.73c0.00 0.60e2.55s
20101.00b0.58a0.44 0.92 0.41 0.00a0.00 0.00 0.00 -----z0.71a1.48b-----z
20110.24 1.46a1.94c0.09 -----z0.50a0.00 0.00b0.02a0.60a0.18a0.05b-----z
20121.33c0.27b1.08 1.03c0.01b0.08c0.00 0.00d0.00a0.74b0.79b1.80b1.80x
20130.06b0.15h0.32a0.38k0.00c0.05b0.00 0.00 0.42h0.00 0.79c0.22e-----z
20140.01s1.00 0.33 0.60b0.00b0.00j-----z0.00 0.20 0.10 0.20a2.16 -----z
20150.00d1.58f0.08p0.50 0.49a0.15c0.10d0.00g0.00b0.04b0.35b0.57c-----z
20161.45d0.11c1.11b0.75a0.15c0.00a0.00a0.00a0.00d0.88c0.53f0.63b-----z
20170.98a1.31 0.46 0.73 0.00 0.01 0.00 0.00 0.13d0.09e0.98g0.02i-----z
Period of Record Statistics
MEAN1.03 0.87 0.69 0.42 0.17 0.07 0.02 0.04 0.12 0.41 0.66 0.89 1.63
S.D.0.68 0.66 0.41 0.31 0.23 0.14 0.06 0.11 0.27 0.43 0.54 0.58 0.57
SKEW1.04 1.70 0.37 1.00 1.83 3.27 3.88 3.88 4.37 1.33 1.03 0.72 1.39
MAX3.70 3.75 1.94 1.55 1.02 0.82 0.33 0.58 1.78 1.86 2.48 2.77 3.70
MIN0.00 0.11 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.64
YRS61 60 61 62 62 61 61 59 62 61 60 64 38