IROQUOIS, SD

Total of Precipitation (Inches)

(394254)

File last updated on April 18, 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
1951-----z-----z-----z-----z-----z9.70 1.14a5.15 0.94 1.98 0.21 1.41 20.53e
19521.46 0.45 0.78 0.35 0.55 3.48 1.34 2.71 0.89 0.00 1.28 0.20 13.49
19530.90 1.48 0.98 3.14 2.70 5.11 3.03 0.79 1.94 0.03 0.69 0.81 21.60
19540.45 1.17 1.43 1.69 3.03 4.34 1.30 2.01 0.67 1.38 0.68 0.00 18.15
19550.16 0.80 0.10 1.36 1.55 4.06 3.15 1.80 1.17 0.03 0.24 0.64 15.06
19560.69 -----z1.42 1.98 1.47 1.24a4.36 6.54 1.39 1.02 0.90 0.23 21.24a
19570.17 0.73 0.56 1.83 5.10 4.10 1.96 1.68 1.43 1.40 1.52 0.03 20.51
19580.04 0.73 0.77 1.55 2.93 2.49 3.29 0.09 0.87 0.20 0.84 0.52 14.32
19590.23 0.51 0.16 0.59 4.03 2.39 1.81 3.60 3.33 2.60 0.70 0.70 20.65
19600.29 0.59 0.50 1.52 2.00 4.36 1.22 7.19 1.32 0.94 1.49 1.00 22.42
19610.15 0.36 0.34 0.54 5.86 3.65 2.20 0.62 1.84 4.54 0.24 0.33 20.67
19620.17 1.20 1.49 1.96 10.22 4.84 4.62 1.98 1.71 0.63 0.10 0.10 29.02
19630.51 0.36 0.88 2.72 2.14 5.01 4.78 0.78 1.58 1.94 0.69 0.81 22.20
19640.09 0.20 1.14 2.41 1.71 1.91 1.97 2.13 1.20 0.05 0.21 0.54 13.56
19650.12 0.34 1.04 2.82 4.74 4.09 1.28 1.83 4.33 0.75 0.61 0.82 22.77
19660.12 0.68 0.83 2.11 0.93 1.62 4.71 4.34 2.79 1.53 0.25 0.10 20.01
19670.61 0.74 0.06 1.11 0.58 7.37 0.57 1.30 1.19 0.40 0.13 0.27 14.33
19680.11 0.00 0.33 4.55 1.22 5.12 2.77 3.03 1.92 2.43 0.60 1.13 23.21
19690.71 0.97 0.31 0.75 2.35 2.30 4.08 1.81 1.53 3.60 0.11 0.51 19.03
19700.27 0.03 1.51 3.76 1.82 2.91 1.51 0.94 1.38 2.33 2.11 0.59 19.16
19710.00 0.94 0.13 2.46 2.28 2.67 3.21 1.71 1.56 3.50 2.44 0.40 21.30
19720.22 0.60 1.55 2.97 11.29 1.35 8.47 0.50 0.60 2.58 1.98 1.11 33.22
19730.18c0.50 2.02 0.70 2.34 1.51 2.31 0.92 2.75 1.45 1.05 0.57 16.30
19740.00 0.33 1.21 1.38 4.39 3.22 1.24 1.86 0.12 0.46 0.08 0.09 14.38
1975-----z-----z1.90 2.40 1.71 3.50 0.15 2.80 1.54 0.74 0.58 0.03 15.35b
19760.37 0.39 0.82 1.11 0.56 1.45 0.78 0.24 3.56 0.31 0.05 0.24 9.88
1977-----z-----z3.57c2.77 1.84 2.58 1.13 2.22 2.71 2.10 1.91 0.43 21.26b
1978-----z-----z0.10 3.86 3.75 1.75 2.49 1.16 1.07 0.14 0.49 0.49c15.30b
1979-----z-----z2.12 2.71 2.48 2.69 2.89 1.13 0.19 2.71 0.37 0.11 17.40b
19800.09 0.30 0.63 1.23 1.04 5.55 1.84 3.75 0.41 1.20 0.09 0.30 16.43
1981-----z-----z1.77 0.86 0.86 2.46 3.19 3.00 1.00 1.56 0.78 0.46 15.94b
19820.85a0.05 0.83 1.58 7.13 1.64 5.11a3.52 2.86 4.79 0.86 0.37 29.59
19830.01 0.01 1.83 0.84 0.67 4.17 3.04 2.01 2.65 1.58 1.90 0.45 19.16
19840.34 1.49 1.15 3.32 2.03 8.75 1.33 2.88 0.71 3.86 0.12 -----z25.98a
1985-----z-----z-----z1.86 -----z-----z1.72 3.63 4.87 1.27 1.57 0.71 15.63e
19860.45 0.32 1.67 6.47 2.71 4.04 6.79 4.46 5.18 0.30 0.26 0.00 32.65
19870.26 0.82 4.52 0.71 1.20 1.73 4.51 2.15 1.60 0.55 1.54 1.28a20.87
19880.39 0.35 2.05 1.88 3.02 2.27 1.69 3.08 3.09 0.27 1.46 0.13 19.68
19890.12 0.81 1.78 2.75 2.58 3.69 1.47 2.77 1.47 0.37 1.13 0.18 19.12
19900.15 0.70 1.00 0.91 4.33 7.88 4.05 0.82 0.29 1.01 0.02 0.57 21.73
19910.12 0.95 0.81 3.26 4.92 6.72 2.35 2.50 1.81 0.90 1.05 0.25 25.64
19920.50 1.27 1.45 2.17 0.67 2.51 4.27 1.97 2.78 0.00 1.10 0.36 19.05
19930.69 0.53 1.48 2.40 3.17 7.45 4.58 0.81 1.70 0.25 1.90 0.70 25.66
19941.00 0.70 0.28 2.94a0.91 3.34 2.60 2.80 2.25 1.03 0.62 0.24 18.71
19950.47 0.26 3.31 5.12 4.22 1.39 5.45 1.71 2.12 3.05 0.64 0.10 27.84
19961.00 0.26 0.55 0.52 3.96 1.80 2.15 0.90 3.73 2.72 0.23 0.42a18.24
19971.11 0.69 0.26 2.50 2.45 1.92 5.50 0.64 4.96 1.70 0.00a1.05 22.78
19980.30d0.00a1.50c1.66 1.89 3.63 1.77 -----z0.00 8.67 0.12 -----z19.54b
1999-----z-----z-----z1.48 1.10 4.09 3.37 1.74 -----z0.05a0.02 0.12 11.97d
20000.28 0.68 0.33 2.33 4.20 2.98 4.50 1.79 0.37 0.59 4.11 0.61 22.77
20011.95 1.02 0.63 6.40 2.05 4.91 1.67 1.36 1.58 0.61 1.79 0.08 24.05
20020.57 0.04 1.40 1.36 1.99 1.88 1.85 5.01 1.28 0.97 0.00 0.33 16.68
20030.22 1.00 0.43 2.14 2.51 4.58 1.49 1.17 1.30 1.15 0.98 0.28 17.25
20040.18 0.16 2.34 1.77 6.59 2.82 3.63 2.57 4.58 2.66 0.44 0.17 27.91
20050.33 0.89 0.12 0.52 1.66 3.62 2.32 1.63 8.27 0.57 3.00 0.76 23.69
20060.05 0.23 0.95 1.73 0.98 1.30 0.60 5.68 4.61 0.21 0.34 1.32 18.00
20070.22 1.42 2.63 3.77 6.71 2.55 0.89 4.60 2.29 3.01 0.00 1.00 29.09
20080.09 0.08 0.85 2.25 2.01 3.10 1.81 1.50 2.24 3.70 0.88 0.87 19.38
20090.48 0.34 1.15 1.30 3.23 3.92 4.19 2.05 2.16 4.88 0.12 1.21 25.03
20100.61 0.64 1.79 1.59 3.12 9.65 6.88 2.38 2.75 1.33 0.20 1.69 32.63
20110.95 1.39 0.98 3.12 3.44 3.73 5.31 2.24 0.22 1.00 0.21 0.30 22.89
20120.56 2.02 0.52 4.18 3.05 2.98 1.17 2.98 0.61 1.21 0.30 1.40 20.98
20130.42 1.15 0.91 2.67 6.01 3.80 1.14 1.53 1.76 3.88 0.21 0.97 24.45
20140.36 0.25 0.87 1.33 1.34 4.27 2.53 2.94 0.68 0.53 0.88 1.10 17.08
20150.41 0.29 0.15 0.53 2.70 4.41 3.89 5.19 2.21 1.76 1.62 1.20 24.36
20160.55 0.59 1.26 2.44 2.35 1.58 2.28 6.43 1.23 1.73 1.54 1.07 23.05
20170.61 0.18 1.06 1.75 2.48 1.91 6.51 5.35 4.33 1.87 0.13 0.39 26.57
20180.45 0.84 1.83 1.70 0.90 2.31 2.80 3.22 2.76 2.48 0.69 0.92 20.90
20190.50 1.00 2.51 4.01 3.89 2.43 7.47 7.13 4.19 2.59 0.75 1.34 37.81
20200.51 0.62 0.65 0.63 1.93 7.92 2.83 3.20 0.65 0.77 0.73 0.46 20.90
20210.43 0.25 1.67 1.92 2.65 0.94 4.14 1.13 4.20 4.56 0.41 0.33 22.63
20220.22 0.30 0.19 2.36 4.33 1.40 2.13 1.34 0.23 0.58 0.14 1.62 14.84
20230.43 0.77 1.03 0.60 0.83 4.52 2.41 2.39 0.09p-----z-----z-----z12.98d
Period of Record Statistics
MEAN0.42 0.62 1.16 2.14 2.89 3.60 2.94 2.54 2.05 1.66 0.80 0.59 21.56
S.D.0.35 0.43 0.86 1.28 2.07 2.02 1.77 1.66 1.52 1.54 0.78 0.44 5.37
SKEW1.81 0.76 1.37 1.21 1.81 1.27 0.95 1.08 1.36 1.73 1.62 0.66 0.62
MAX1.95 2.02 4.52 6.47 11.29 9.70 8.47 7.19 8.27 8.67 4.11 1.69 37.81
MIN0.00 0.00 0.06 0.35 0.55 0.94 0.15 0.09 0.00 0.00 0.00 0.00 9.88
YRS65 64 70 72 71 72 73 72 71 72 72 70 61