DIABLO DAM, WA

Total of Precipitation (Inches)

(452157)

File last updated on March 29, 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
1914-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z2.84w0.00l
19154.77 5.69 3.59 4.77 3.56 0.20n2.09 0.16 0.64j11.11f11.53 10.80 46.96c
19165.53 12.51 8.34 6.69 2.63 1.82 2.67 0.23 3.21 5.72 11.84 7.58a68.77
1917-----z-----z9.22 6.28 0.81 4.71 1.20 0.13 3.13 4.59 7.71 29.73 67.51b
191816.45 11.19 10.36 1.59 3.58 1.09 1.46 3.20 0.23 12.35 8.85l16.66 78.16a
191915.26 8.68 7.85 5.56 3.60 1.17 0.55 0.76 2.22 3.77 11.39 9.84n60.81a
192017.75 2.24 9.71 4.00 3.55 2.18 0.38 2.00 10.59 12.27 10.62 13.08 88.37
192118.54 12.08 6.33 3.87 3.33 3.89 0.35 1.39 7.84 13.49 14.14 12.83 98.08
19225.20 5.19 7.86 5.43 3.58 0.23 0.00 2.60u6.33 7.72 3.21 14.88 59.63a
192319.18 2.55 8.46 3.05 2.52 2.33 1.45 1.00 2.85 3.82 7.62 19.27g54.83a
192411.46b16.34 1.96 4.45a0.73 0.88 0.43 0.79 5.92s12.24 9.61 15.78 74.67a
1925-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1926-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1927-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1928-----z-----z-----z-----z-----z0.35p1.21 0.45 1.52 11.70 6.55 7.46 28.89f
19294.19 3.11 6.92 3.67 3.07 3.38 0.78 1.13 1.00 4.80 1.29 14.73 48.07
19305.35 14.69 6.89 3.98 2.46 2.44 0.39 0.26 3.05 6.59 5.33 4.64 56.07
193113.01 8.13 10.08 3.63 3.88 5.31 0.80 0.14 7.18 6.38 11.47 9.85a79.86
19329.62 18.28 12.79 3.40 0.79 1.08 2.50 0.95 -----z-----z-----z-----z49.41d
1933-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
193415.57 2.90 10.57 -----z4.11 0.96 2.43 0.53 2.02 8.21 13.96 10.66 71.92a
193517.47 3.78 7.50 1.41 1.21 2.13 1.27 0.68 3.92 5.43 5.68 6.26 56.74
193612.43 8.62 7.56 3.32 4.02 3.76 1.21 0.55 1.69 1.96 0.83 17.70 63.65
19372.32 7.87 2.83 7.48 1.98 5.11 0.04 1.21 0.79 9.09 13.32 14.49 66.53
19386.33 1.99 7.04 5.26 1.26 0.14 0.79 0.22 0.81 6.72 7.94 14.77 53.27
193912.37 3.38 4.81 2.10 3.46 0.40p-----z0.36 1.18 8.40 9.10 15.49 60.65b
19405.36 6.52 9.26 2.74 3.02 0.94 0.69 1.02 1.71 11.38 7.12 8.82 58.58
19415.87 2.94 1.08 2.30 4.29 1.53 1.05 2.23 6.14 7.47 10.21 10.44 55.55
19421.82 2.65 5.40 2.60 2.11 3.11 2.09 0.25 0.20 4.36 13.26 12.15 50.00
19437.52b8.01 9.83 6.22 3.29 2.12 2.17 0.45 0.98 5.84 3.49 7.88 57.80
19447.40 4.93 6.52 2.96 3.86 1.06 0.61 1.18 7.55a4.47 6.66 5.02 52.22
194511.51 8.50 10.99 6.17 2.00 1.08 0.53 0.52 5.61 12.76 11.78 8.60 80.05
194613.19 9.29 8.91 6.36 0.69 2.95 0.19 0.48 1.90 6.61 9.98 15.46 76.01
194713.84 8.44 4.87 3.71 1.40 2.82 2.33 0.98b1.64 12.72 5.33 13.04 71.12
19489.60 11.67 5.69 5.00 3.65 2.60 2.21 3.80 4.44 5.90 16.88 14.56 86.00
19493.12 20.38 4.37 3.86 1.53 1.54 1.78 1.39 4.67 7.24 18.47 18.65 87.00
19509.32 11.33 12.52 6.21 2.01 2.01 0.66 3.05 3.05 12.25 13.66 14.54 90.61
195113.77 21.30 4.49 0.68 3.43 0.45 0.32 1.51 4.49 8.52 8.18 8.73a75.87
19527.97 7.44 3.89 2.10 2.33 2.97 1.64 1.30 0.64 2.36 2.06 11.16 45.86
195326.49 10.31 4.51 3.01 1.73 1.96 0.99 2.07 5.41 8.24 12.55 17.45 94.72
195418.11 13.55 3.13 7.35 0.57 2.72 1.41 2.33 2.75 6.89 13.79 9.94 82.54
19554.07 8.00 6.86 5.85 4.55 1.79 2.13 0.14 1.50 18.01 16.86 13.99 83.75
19567.91 4.90 8.54 1.01 0.67 3.52 0.77 2.15 6.74 14.78 4.89 17.06 72.94
19573.94 12.41 5.46 2.80 1.54 1.53 1.77 1.26 0.72 3.87 5.13 13.35 53.78
195811.30a5.69 3.49 6.77 0.31 0.71 1.06 0.76 5.85 9.32 19.54 16.40 81.20
195912.53 4.03 8.37 14.05 1.98 2.42 1.63 2.66 10.75 8.19 15.68 9.97 92.26
19607.83 8.13 6.88 7.14 5.12 2.36 0.00 1.94 2.20 9.76 13.93 6.55 71.84
196118.15 17.23 7.60 3.96 3.26 0.80 1.18 1.62 3.57 10.31 8.49 13.51 89.68
19628.67 1.80 4.58 3.79 2.83 1.74 0.50 3.42 4.68 3.37 16.10 14.14 65.62
19634.53 10.83 5.04 3.96 3.14 1.95 2.27 1.83 3.46 11.18 14.92 10.88 73.99
196416.33 4.84 10.12 6.00 3.46 2.13 1.74 3.24 5.33 5.24 10.31 9.87 78.61
196511.73 12.10 1.31 3.94 4.73 0.20 -----z2.56 1.98 5.89 8.64 12.09 65.17a
196612.96 -----z5.96 3.33 2.93 2.76 2.72 1.05 1.31 11.74 8.93 15.85 69.54a
196718.29 10.16 9.34 1.71 0.88 1.48 0.55 0.16 2.79 19.61 7.64 15.23 87.84
196813.15 11.74 8.21 4.39 1.44 6.52 1.32 3.05 5.38 8.45 12.26 12.54 88.45
196910.14 3.21 5.88 6.33 2.81 0.67 1.37 0.89 8.39 3.61 6.84 9.44 59.58
197013.17 4.00 4.43 10.14 1.10 0.59 1.65 0.30 6.45 5.05 9.54 11.57 67.99
197119.22 7.87 10.52 3.46 2.68 2.29 1.15 1.48 4.19 8.22 10.44 10.24 81.76
197215.24 13.29 12.54 7.74 3.39 2.96 3.77 1.53 9.16 1.74 7.04 12.99 91.39
19735.20 2.65 3.02 3.19 3.32 2.50 0.30 0.76 2.75 10.88 13.01 14.98 62.56
197423.95 10.80 10.50 4.41 4.79 3.20 2.51 0.56 1.23 1.21 17.46 16.40 97.02
197513.00 7.80 5.36 1.93 2.73 1.49 0.62 3.17 0.27 15.05 20.68 25.83 97.93
197616.54 11.73 9.57 3.23 4.11 2.22 1.51 3.86 1.55 3.67 6.67 9.66 74.32
19776.17 7.31 12.01 3.20 3.26 2.30 1.78 3.31 2.16 4.97 18.91 17.05 82.43
19786.06 3.44 6.65 2.68 3.49 1.44 1.75 3.01 7.27 4.05 9.75 9.55 59.14
19793.43 12.41 6.02 4.49 2.90 1.72 2.26 0.90 3.87 6.86 2.76 25.50 73.12
19806.14 7.98 8.40 3.96 4.13 2.09 1.37 2.04 6.49 1.13 21.82 20.35 85.90
19812.00 12.00 3.32 10.38 2.65 6.70 1.92 0.12 4.24 8.25 7.36 12.62 71.56
198217.44 13.60 4.50 4.33 1.73 1.02 4.31 3.72 3.17 7.55 8.08 10.39 79.84
198317.31 8.22 7.74 1.92 1.05 3.49 6.76 2.20 4.08 4.98 18.26 4.91 80.92
198417.30 6.81 6.21 4.34 7.96 1.80 0.05 2.15 4.65 9.45 13.88a-----z74.60a
1985-----z6.54 -----z8.81 1.73 3.13 0.49 0.79 3.53 16.82 11.60 1.74 55.18b
198613.15 11.87 6.57 4.54 5.52 1.38 2.35 0.03 3.34 5.65 19.50 7.37 81.27
19879.30 4.56 6.81 4.56 6.15 1.71 -----z0.36 1.73 0.39 7.38 12.11 55.06a
19888.97 6.27 13.23 9.38 3.19 2.01 1.84 0.29 6.04 9.71 16.74 6.73 84.40
198913.27 1.39 7.15 6.17 3.29 1.29 0.92 1.86 0.26 7.12 21.47 10.48 74.67
199016.05 12.92 3.50 2.32 2.43 3.31 0.53 4.30 0.16 16.64 38.46 14.72 115.34
19918.80 10.87 4.67 9.10 2.43 1.53 0.49 3.13 0.79 2.18 15.75 11.91 71.65
199213.72 6.34 0.74 5.65 1.10 2.88 2.62 2.37 3.92 4.21 11.47 6.96 61.98
19937.55 0.13 7.48 4.93 3.24 4.39 2.33 1.35 1.35 5.35 6.03 9.97 54.10
19948.88 10.26 9.51 3.67 2.14 2.66 1.22 0.96 2.12 9.77 13.03 17.29 81.51
19956.50 14.58 5.23 2.12 0.77 1.94 1.80 2.82 1.45 11.03 33.78 10.33 92.35
199611.97 12.73 3.23 7.88 4.22 0.66 1.43 0.89 2.96 11.32 10.78 16.81 84.88
199717.75 6.68 -----z5.33 3.21 5.62 4.35 1.26 -----z13.19 7.96 10.31 75.66b
199812.02 2.72 5.52 1.52 2.20 1.79 0.92 0.05 0.80 4.51 19.46 22.29 73.80
199915.10 13.92 4.71 1.74 3.39 1.49 1.85 1.81 2.32 10.82 16.78 16.03 89.96
20008.54 5.77 7.30 4.68 5.79 3.65 1.06 1.12 4.67 7.25 4.56a6.55a60.94
20016.23 2.97 6.42 4.47 4.57 2.68 0.59 2.63 1.26 13.42 11.73 14.53 71.50
200216.49 12.50 8.69a7.74 2.81 3.73 0.93 0.19 1.71 0.36 7.75 9.54 72.44
200315.33 3.25 16.58 4.28 1.64 0.42 0.17 0.47 1.94 23.96 18.64 8.27 94.95
200412.50 1.61 8.19 1.16 3.56 1.72 0.55 5.26 8.10 5.27 13.84 13.27 75.03
200512.55 2.10 6.48 4.31 2.58 2.27 1.79 0.91 3.71 7.95 8.38 9.60 62.63
200621.90 7.95 2.44 3.81 1.66 2.46 0.93 0.22 1.98 2.55 29.41 10.54 85.85
200712.16 6.50 15.32 4.94 2.08 2.57 1.40 0.81 2.05 9.23 8.38 17.16 82.60
20089.42 10.13 6.90 2.29 2.19 1.29 0.73 4.48 1.54 4.60 12.07 7.99 63.63
200913.30 1.77 6.98 3.95 5.39 0.82 2.46b1.54 4.15 11.51 18.56 5.73 76.16
201010.13 2.38 6.14 3.81 4.64 2.26 0.33 1.34 7.89 5.49 9.28 14.48 68.17
201117.57 8.28 11.91 7.54 3.23 1.70 1.31 0.26 3.37 9.09 15.80 8.10 88.16
201213.37 7.66 11.48 5.55 2.74 3.56 2.14 0.09 0.33 16.58 12.71 11.26 87.47
201310.24 5.93 9.25 6.68 2.48 1.92 0.08 3.97 10.82 3.06 8.71 4.77 67.91
201411.03 10.71 18.74 5.79 3.19 2.97 1.54 0.88 3.04 10.59 18.33 9.83 96.64
201511.63 7.98 10.21 2.45 0.99 0.81 0.59 4.03b3.82 6.88 19.17 15.06 83.62
201611.38 10.44 8.74 1.48 1.65 1.84 0.99 0.31 3.67 16.07 12.46 9.82 78.85
20175.23 9.34 16.29 5.63 2.07 1.51 0.00 0.00 0.83 10.37 15.20 10.16 76.63
201816.13 10.63 4.48 7.23 0.62 1.83 1.07 0.68 4.12 6.28 12.93 15.02 81.02
20198.45 3.50 1.10 6.02 2.23 1.50 1.16 0.90 5.13 7.28 4.53 13.77 55.57
202021.56 11.71 5.18 2.09 3.99 2.33 0.91 0.42 5.40 9.00 12.99 11.62 87.20
202111.14 12.44 3.81 1.69 3.19 1.78 0.17 2.65 7.17 12.66 25.00 13.37 95.07
202212.07 3.68 8.17 6.46 6.33 3.78 1.21 0.08 0.83 6.82 8.19a11.15a68.77
20234.99 7.44 3.42 5.80 1.64 1.10 0.34 0.42 3.00 1.95 8.66 14.16 52.92
202411.73 6.85 3.30c-----z-----z-----z-----z-----z-----z-----z-----z-----z21.88i
Period of Record Statistics
MEAN11.45 8.12 7.19 4.59 2.84 2.21 1.34 1.45 3.55 8.11 12.04 12.35 75.55
S.D.5.15 4.42 3.42 2.30 1.41 1.28 1.04 1.23 2.53 4.42 6.30 4.57 14.05
SKEW0.27 0.48 0.73 0.99 0.63 1.16 1.91 0.95 0.92 0.75 1.27 0.83 -0.06
MAX26.49 21.30 18.74 14.05 7.96 6.70 6.76 5.26 10.82 23.96 38.46 29.73 115.34
MIN1.82 0.13 0.74 0.68 0.31 0.14 0.00 0.00 0.16 0.36 0.83 1.74 45.86
YRS103 103 103 103 104 102 102 104 101 103 103 101 88