CHISOS BASIN, TX

Total of Precipitation (Inches)

(411715)

File last updated on March 28, 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
1943-----z-----z-----z-----z-----z-----z-----z0.05 1.86 0.20 1.28 1.46 4.85g
19441.49 0.78 0.35 0.00 1.41v2.45 -----z4.44 2.31 0.22 0.94 0.44 13.42b
19450.42 0.63 0.72 0.10 0.05 0.45 4.59 0.90 1.87 1.50 0.00 0.00 11.23
19462.19 0.00 0.19 0.70 3.19 3.51 1.31 1.26 3.47 2.16 0.06 0.99 19.03
19471.45 0.13 0.41 0.00 3.03 2.39 0.27m4.65 1.78a0.65b0.38 1.54 16.41a
19480.04 0.30 0.00 0.39 0.35 2.92 4.07 0.62 0.87 1.61b0.19e0.39 11.75
19492.16 0.82 0.08 2.61 1.93 2.08 1.67 3.80 3.37 1.61 0.00 0.79 20.92
19501.31 0.33 0.06 0.06 1.07 2.82 6.57 4.02 1.77 0.00 0.00 0.00 18.01
19510.16 0.05 1.32 0.02 0.52 3.67 2.57 0.89 0.77 1.09 0.03 0.45 11.54
19520.66 0.11 0.24 1.46 1.10 1.10 6.03 0.05 0.02 0.00 0.07 0.92 11.76
19530.00 0.41 0.99 0.43 0.59 0.05 4.07 1.17 0.60 0.53 0.00 0.18a9.02
19540.36 0.01 0.00 1.64 1.47 1.26 0.79 4.99 0.44 0.36 0.00 0.12 11.44
19550.40 0.00 0.00 0.29 1.30 1.64 1.27 2.71 1.40 0.13 0.83 0.07 10.04
19561.23 0.13 0.00 0.00 1.41 1.73 1.91 1.06 2.24 0.56 0.09 0.05 10.41
19570.31 1.18 0.74 0.58 4.86 0.95 2.79 0.47 1.76 2.18 0.44 0.52 16.78
19582.53 1.20 0.51 0.04 1.36 1.02 1.02 1.11 4.34 2.81 0.53 0.35 16.82
19590.03 0.39 0.00 0.83 2.71 3.16 5.62 0.90 0.89 1.77 2.37 0.62 19.29
19601.69 0.21 0.00b1.47 0.26 1.65 5.67 5.28 0.04 0.60 0.72 1.53 19.12
19612.15 0.82 0.17 1.11 4.14 2.42 4.07 2.54 0.81 1.17 1.96a0.05 21.41
19620.18 0.06 0.14 0.12 0.48 1.57 4.27 0.68 1.90 2.15 0.35 1.06 12.96
19630.39 0.58 0.33 1.30 3.95 0.99 3.56 3.14 1.80 1.39 0.58 0.39 18.40
19640.11 0.00 0.39 0.14 1.65 2.42 1.56 1.65 2.35 0.45 0.00 1.54 12.26
19650.37 0.96 0.07 0.00 1.02 2.65 1.32 3.30 4.16 0.00 0.36 0.81 15.02
19660.45 0.37 0.28 0.46 0.38 2.68 2.29 2.55 5.67 6.47 0.00 0.16 21.76
19670.12 0.84 1.46 0.04 0.06 5.37 1.78 2.75 3.27 0.72 0.02 0.72 17.15
19681.36 1.21 1.33 1.86 0.67 1.35 4.43 3.45 4.33 1.24 1.72 0.02 22.97
19690.67 0.06 0.04 0.54 1.93 1.42 2.98 1.51 0.79 1.60 0.44 0.80 12.78
19700.32 1.82 1.11 0.34 0.40 3.59 1.37 4.15 10.46 2.09 0.00 0.17 25.82
19710.10 0.00 0.00 0.00 0.31 0.69 4.07 3.32 1.30 7.49 0.00 0.24 17.52
19720.58 0.00 0.40 0.00 2.03 0.75 0.78 4.71 5.95 1.40 0.79 0.00 17.39
19730.20 1.76 0.04 0.15 1.21 1.09 4.81 2.02 2.70 0.00 0.00 0.00 13.98
19740.06 0.02 0.97 0.16 0.98 0.08 3.30 7.78 6.16 1.26 0.54 1.29 22.60
19750.32 0.76 0.00 0.02 0.90 0.43 8.91 5.50 0.57 0.46 0.18 0.60 18.65
19760.35 0.00 0.00 0.68 3.19 0.91 7.28 1.21 4.28 2.40 0.88 1.38 22.56
19770.14 0.02 0.04 1.00 0.47 3.90 1.42 0.42 0.22 0.51 0.34 0.10 8.58
19780.58 0.54 0.35 0.16 2.23 0.91 2.33 6.91 7.65 1.82 2.71 0.52 26.71
19790.13 0.27 0.20 1.07 2.51 2.82 2.02 4.32 1.58 0.00 0.25 0.04 15.21
19800.17 0.15 0.10 0.02 0.05 3.23 0.62 10.71 3.62 0.74 1.08 0.78 21.27
19811.15 0.40 0.66 3.84 1.57 5.03 1.79 4.66 2.93 6.17 0.00 0.00 28.20
19821.21a0.62 0.00a1.13 2.79 3.77 4.02 1.78 1.13 0.01 0.39 1.32 18.17
19831.55 0.99 1.30 0.90 1.92 0.17 2.34 2.49 1.29 3.83 0.79 0.01a17.58
19841.33 0.05 -----z0.01 2.31 4.65a2.44 2.17 2.64 2.04 1.53 0.55 19.72a
19851.43a0.29 0.72 0.29 1.60 -----z1.20b0.65 6.28 0.69 0.53 0.00 13.68a
19861.63 0.66 0.00 1.04 0.51 8.08 1.91 5.74 3.65 6.37 1.19a2.90 33.68
19870.52 0.75 0.00 1.27 2.49 1.25 2.18 7.86 1.94 0.55 0.09 1.10 20.00
19880.01 0.19 0.18 0.01 5.30 1.45 6.94 1.96 2.73 0.35 0.00 0.32 19.44
19890.54 2.37 0.16 0.02a0.64 0.77 0.71 1.84 0.78 0.33 0.19 0.41 8.76
19900.20 0.89 0.67 0.36 1.36 0.73 7.60 6.70a5.78 2.87 0.44 0.24 27.84
19910.47 0.65 0.20b0.95 0.76 2.14 10.69 5.63 3.50 0.09 0.54 3.00 28.62
19921.56a3.96 0.22 1.72 4.01 1.04 5.28 5.89 0.65 0.24 0.64 0.28 25.49
19930.83 0.47 0.40 0.07 1.61 0.84 4.91 0.84 3.33 1.63 0.09 0.55 15.57
19941.04 0.81 1.30 0.17 1.82 2.77 2.91 1.04 0.27 1.73h0.13 0.16 12.42a
19950.02 0.80 0.00 0.64 1.95 3.01 0.39 1.52h6.02 0.39 0.79 0.00l14.01b
19960.00 0.05 0.00 0.11 1.21 4.61 2.33 4.94 0.98 0.76 0.50 0.00 15.49
19970.30 2.06 1.74 2.12 1.79 1.69 2.76 1.52 1.29 0.91 1.09 0.92 18.19
19980.00 0.30 0.25 0.00 0.02 2.38 3.39 3.78 0.48 2.10 1.55 0.04 14.29
19990.00 0.07 0.63 0.20 0.43 5.85 4.90 2.25 1.40 0.13 0.00 0.00 15.86
20000.00 0.69 0.15 0.23 0.00 4.03 2.25 1.55 0.15 4.30 2.49 0.31 16.15
20011.01a0.50 0.22 0.38 1.53 0.11 0.67 4.38 0.89 0.95 1.55 0.00 12.19
20020.01 0.11 0.00 1.10 1.25 1.26 3.20 5.51 0.11 3.50 0.07 0.45 16.57
20030.23 1.14 0.40 0.15 1.95 5.83 5.99 2.05f1.31 5.35 0.10 0.00 22.45a
20041.15 0.41 2.71 1.61 2.40 3.40 4.13 4.63 4.09 1.01 2.16 0.04 27.74
20050.76 0.76 0.10 0.04 1.31a0.53 2.44 3.67 0.93 2.21 0.00 0.65 13.40
20060.13 0.00 0.03 0.37 1.35 0.85 1.16 10.70a1.31 1.76 0.00 0.96 18.62
20073.59 0.06a1.26 0.25 3.03 2.17g5.48 1.98 4.76 0.71 0.94 0.00 22.06a
20080.54 0.00 0.09 0.08 1.40 1.96 5.72 6.40 4.63 0.64 0.00 0.15 21.61
20090.02 0.00b0.82 0.00 1.99 3.92 2.29 3.20 0.71 1.48 0.75 0.70 15.88
20101.33 1.16 0.00 2.94 0.34 1.48 6.40 2.21 3.51 0.00 0.00 0.00 19.37
20110.02 0.00 0.00 0.00 0.00 0.00 1.58 0.96 1.40 0.01a0.29 0.05 4.31
20120.04 1.47 0.34 1.02 3.65 2.52 3.85 3.18 1.48 0.93 0.23 0.03 18.74
20131.81 0.00 0.00 0.00 0.38 1.21 1.50 0.97 3.88 0.24p2.19 0.68 12.62a
20140.00 0.14 0.00 0.59 2.53 1.42 2.39 2.08a3.19c0.00a3.93c0.29h16.27a
20151.67c0.64a1.73a0.85a1.08 3.55a1.97 0.55 1.48 2.04 0.43 0.52a16.51
20160.18 0.44 0.54 0.00 1.26 4.48a0.90i9.57e4.03 0.21d0.69 1.86 23.26a
20170.07 1.02 0.09c0.41a3.04 0.73a5.47 3.65 2.42 0.29 0.02 1.18a18.39
20180.00 0.15b0.00 0.11 1.53 3.51a3.53 2.36a8.64 3.58 0.41 1.71i23.82a
2019-----z0.05 0.04 1.02 0.52 1.85b0.03u1.74o6.51 0.03 1.38a0.80 12.20c
20200.86 0.67 0.79S0.05e0.70 1.16 0.57b0.19 2.45 0.00 0.00 0.20b7.64
20210.26 0.73a0.00a0.09 1.87 1.51 3.06 10.42 1.37 0.76 0.10 0.07 20.24
20220.00 0.48 0.00 0.00 0.23 3.14 0.24 2.23 3.50 2.63 0.24 0.32 13.01
20230.13 1.13 0.97 0.00 4.82 0.28 0.97 2.24 0.72 3.60 1.03 0.00 15.89
20240.35 0.20 0.03c-----z-----z-----z-----z-----z-----z-----z-----z-----z0.58i
Period of Record Statistics
MEAN0.66 0.56 0.40 0.57 1.60 2.19 3.25 3.27 2.59 1.48 0.61 0.54 17.40
S.D.0.73 0.64 0.53 0.75 1.23 1.59 2.15 2.54 2.12 1.65 0.77 0.62 5.63
SKEW1.42 2.41 1.84 1.96 0.99 1.05 0.99 1.16 1.28 1.78 1.86 1.82 0.38
MAX3.59 3.96 2.71 3.84 5.30 8.08 10.69 10.71 10.46 7.49 3.93 3.00 33.68
MIN0.00 0.00 0.00 0.00 0.00 0.00 0.24 0.05 0.02 0.00 0.00 0.00 4.31
YRS80 81 80 80 79 78 76 78 81 79 81 78 67