GRAND CANYON NP 2, AZ

Maximum of Precipitation (Inches)

(023596)

File last updated on April 24, 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
1976-----z-----z-----z-----z0.51 0.21 0.83 0.09 0.82 0.12 0.00 0.05 -----z
19770.55 0.00 0.22 0.27 0.46 0.39 0.51 0.38 0.28 0.46 0.57 0.23 0.57
19780.94 0.58 1.12 0.46 0.43 0.00 0.24 0.18 0.40 0.61 1.95 1.61 1.95
19790.53 0.38 1.13 0.24 0.65 0.48 0.32 0.28 -----z1.13 0.48 0.47 -----z
19800.70 0.89 0.56 0.57 0.24 0.00 1.21 1.10 0.61 0.78 0.02 0.35 1.21
19810.26 0.50 0.60 0.62 0.27 0.36 1.46 0.90 2.32 1.15 0.52 0.24 2.32
19820.56 0.91 0.63 1.02 0.36c0.00 0.86 0.86 0.89 0.70 0.86 1.20 1.20c
19830.37 0.91 1.08 0.46 0.09 0.00 3.14 0.74 1.09 0.49 0.76 0.48 3.14
19840.24 -----z0.38 0.28 0.03 0.68 1.08 1.36 0.20 0.40 0.55 0.73 -----z
19850.77a0.47a0.80 0.62 0.29 0.24 0.47 0.24 0.41 0.32 1.05 0.18y-----z
19860.16 1.11 0.51 1.40 0.65 0.17 0.23 0.37 0.48 1.22 1.04 0.65 1.40
19870.35 0.63o0.43 0.42 0.30 0.80a0.60 0.62 0.50 0.65 0.66 0.31 0.80p
19880.83 1.17 0.08 0.97 0.15 1.10 0.17 0.79 0.12 0.36 0.69b0.22 1.17b
19890.91x0.51 0.36 -----z0.28 0.00 0.07 1.80 0.10 0.00a-----z0.08 -----z
19900.39 1.41 0.40 0.59 0.21 0.22 0.23 1.09 1.10 0.35 0.33 0.78 1.41
19911.01 0.49 1.14 0.00 0.09 0.17 1.40 0.12 0.49 0.28 0.89 0.59 1.40
19920.36 0.32 0.76 0.00 0.51 0.10 0.86 1.70 1.19 0.49 0.04 1.20a1.70a
19931.04 1.35 0.47 0.00a0.22 0.44 0.00 1.20 0.20 1.18 0.23 0.46a1.35b
19940.35 0.58 0.46 0.33a0.03 0.05 0.91 0.54 0.34 0.89 0.45 0.56 0.91a
19951.12a1.03 1.44 0.58 0.23 0.17b1.50 0.87 0.68 0.00 0.59 0.09 1.50c
19960.22 0.54 0.33 0.13 0.05 0.00 1.68 0.49 1.15 0.29 0.97 -----z-----z
19970.59 0.38a-----z-----z-----z0.67 1.04 0.70 1.78 -----z-----z-----z-----z
1998-----z-----z-----z-----z-----z-----z-----z-----z-----z1.14 0.30 0.27 -----z
19990.21 0.39 0.07 0.48 0.62 0.49 1.92 1.44 0.87 0.00 0.00 0.07 1.92
20000.91 0.37 0.48 0.25 0.00 0.09 0.10 0.62 0.14 1.20 0.33b0.12 1.20b
20011.02 0.34 0.68 0.30 0.20 0.02 0.90 3.28 0.14 0.31 0.33 1.71 3.28
20020.38 0.10 0.43 0.14 0.00 0.00 1.04 0.18 0.83 0.18 0.29b0.50 1.04b
20030.58 0.75 0.70 0.22 0.21 0.00 0.32 0.98 0.17 0.51 0.47 0.18 0.98
20040.45 0.36 0.15 0.82 0.00 0.17 1.61 0.98 2.56 2.08 1.60 1.08b2.56b
20051.16 0.53 0.36 0.30 0.11 0.17 0.47 0.41 0.12 0.35 0.05 0.12 1.16
20060.22 0.05 0.48c0.37 0.00 0.06 0.18 0.89 0.39 1.30 0.02 0.17 1.30c
20070.34a0.30 0.52 0.23 1.46 0.00 0.96 0.69a0.88 0.40 0.16 1.60 1.60b
20080.76b0.25 0.00b0.00 0.00 0.47 0.52 0.66a0.07 0.22 0.18 0.70 0.76e
20090.17e0.00e0.00 0.25 0.47 0.00j0.44b0.45 0.09 0.11p0.02 0.57e-----z
20101.45a0.60e0.42e0.25a0.00 0.15 0.69 0.82a0.05a1.15 0.34 0.95b1.45p
20110.46y0.90b0.60 0.32p-----z-----z-----z-----z0.90e0.47 0.83 0.15a-----z
20120.20 0.57 1.24 -----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN0.58 0.58 0.56 0.41 0.28 0.24 0.82 0.82 0.66 0.62 0.52 0.56 1.58
S.D.0.35 0.37 0.36 0.32 0.29 0.27 0.66 0.61 0.61 0.47 0.45 0.47 0.68
SKEW0.68 0.56 0.65 1.20 2.06 1.38 1.38 2.03 1.53 0.97 1.24 1.06 1.20
MAX1.45 1.41 1.44 1.40 1.46 1.10 3.14 3.28 2.56 2.08 1.95 1.71 3.28
MIN0.16 0.00 0.00 0.00 0.00 0.00 0.00 0.09 0.05 0.00 0.00 0.05 0.57
YRS33 33 34 31 33 33 34 34 34 34 34 33 23