FLANDREAU, SD

Total of Precipitation (Inches)

(392984)

File last updated on April 17, 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
1893-----z-----z0.73c5.83 4.24 1.14 1.31 2.15 0.67 0.42 0.22 1.36 18.07b
18940.51 0.00 1.02 2.43 0.80 1.96 1.04 3.37 1.57 2.23 0.26 0.35 15.54
18950.47 0.10 0.39 2.64 6.65 5.23 1.95 1.48 3.22 0.40 1.23 0.05 23.81
18960.67 0.35 3.85 6.03 2.66 6.47 1.54 1.16 3.23 3.32 2.01b0.04 31.33
18971.79 0.55 1.26 2.94 1.98 5.18 5.66 3.82 1.40 0.91 0.40c0.46 26.35
18980.00 0.50a1.15a1.73 8.22 2.40 1.45 1.66 1.15 4.20 0.52 0.00 22.98
18990.24c1.11 1.13 1.55 4.64 3.87 1.41 3.49 0.35 1.98 0.54 0.66 20.97
19000.15 -----z2.43 3.11 0.61 1.93 6.47 2.57 5.00 1.45 0.66 0.50 24.88a
19010.05 0.49 0.54 2.81 1.98 4.83 1.04 4.27 4.27 1.24 0.90 0.30a22.72
19020.44 0.26 0.65b0.75 4.57 1.36 3.05 9.84 1.64 1.38a0.70 1.95 26.59
19030.13 0.32 1.51 1.54 5.39 3.00 4.60 4.30 4.90 3.30 0.38 0.52 29.89
19040.19v0.42c0.28 2.21 2.45 4.33 3.51 2.12 0.80 2.87 0.00 0.53 19.52a
19050.59 0.92c0.65c0.88 7.49 8.96 1.45 3.97 2.15 1.93 3.44 0.20 32.63
19060.24 0.14 1.37 1.00 3.85 5.44 1.10 7.41 4.03 3.42 0.91 0.42 29.33
19070.87 0.32 0.35 1.94 2.35 7.46 5.66 1.54 2.63 0.73 0.03 0.35 24.23
19080.10 2.09b1.52 3.08a9.07 4.96 4.47 3.08 1.81 2.14 1.72 0.73 34.77
19090.80 1.00 0.37 1.63a3.77 4.26 2.55 3.58 1.54 1.26 1.90 2.23 24.89
19100.70 0.50 0.55 -----z1.85 2.49 1.80 2.43 1.96 1.08 -----z0.10 13.46b
19110.80 0.49 0.65 2.76 1.39 3.14 2.15 3.19x3.70w5.51 0.20 0.82 17.91b
19120.00 0.24 0.90 3.85w2.94 1.22 3.91s4.13 1.86 0.80 0.00 0.50 12.59b
19130.05 0.25 0.40 1.96 4.47 3.97w4.21 2.48 2.31 -----z-----z-----z16.13d
1914-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1915-----z-----z0.00 2.42 2.08 4.33 5.04 2.44 3.95 1.11 1.84 0.39 23.60b
19161.60 0.16 1.06 4.26 3.93 5.16 1.81 1.51 0.89 1.31 0.05 0.27 22.01
19171.21 0.15 1.52 3.82 2.41 4.04 2.60 1.10 1.83 0.03 0.13 0.21 19.05
19180.16 0.04 0.90 1.86 5.19 1.44 3.38 3.04 1.18 1.09 2.17 1.06 21.51
19190.09 0.83d0.73 3.68 3.61 6.02 4.51 0.41 2.05 1.30 1.76 0.06 25.05
19200.06 0.32 1.70 3.72 6.10 3.97 2.62 3.25 2.65 1.58 1.23 0.13 27.33
19210.54a0.05 2.25 1.39 2.95 1.16 2.22 3.14 5.45 0.99 0.51 0.11 20.76
19220.89 1.85 1.11 0.10 1.63 2.74 2.63 2.09 0.86 1.09 3.59 0.40 18.98
19230.40u0.00 0.75 2.68t3.30a4.29 1.06 3.17 -----z0.93 0.65 0.28a14.43c
1924-----z-----z0.64 -----z1.27 5.76o1.30 1.76 1.11 1.03 0.65 1.05 8.81d
19250.67 0.17 0.13a1.74 0.52 7.75 0.88 0.70 0.76w0.34 0.88 0.37 14.15a
19260.35 0.02 0.24 0.04 1.32 5.27u1.55 4.66 4.25 0.66 1.01 0.55 14.65a
19270.20 0.51 1.13 3.55 3.83 3.97 4.26 0.49 1.14 1.21 0.74 1.05 22.08
19280.00 0.10 0.98a1.34 1.49 3.75 1.94 3.14 2.53 1.83 1.24 0.40 18.74
19290.73 1.10 0.33a3.39 2.53 1.23 3.98 1.85 5.11 2.58 0.15a0.07 23.05
19300.68 0.15 0.36 1.36 3.13 2.71 0.08 1.90 5.01 2.20 2.60 -----z20.18a
19310.25 0.25 -----z0.96 0.82 3.76 1.00 1.46 2.62 1.75 1.96 1.41 16.24a
19321.16 0.68 0.97 1.37 3.71 2.80 2.33 7.31 2.01 0.69 0.93 0.30 24.26
19330.42 0.39 1.54 1.00 1.75 1.50 2.97 2.55 3.85 0.05 0.12 0.71 16.85
19340.40 0.05 0.89 0.28 0.49 4.19 5.47 1.89 7.43 0.98 0.78 0.32 23.17
19350.50 0.34 1.19 3.99 1.74 3.77 1.10 4.24 0.26a0.23 1.11 0.79 19.26
19360.96 1.41 1.08 1.11 3.21 2.67 0.42 3.44 1.00 0.28 0.86 0.88 17.32
19371.18 0.46 1.91 4.57 1.97 3.39 0.55 3.16 1.37 0.94 0.27 1.03 20.80
19380.48 0.83 1.75 1.48 3.96 5.12 1.63 0.92v4.45 0.28 1.09 0.65 21.72a
19391.05 1.17 0.34 1.34 1.96 6.44 2.62 3.14 0.70 1.74 0.00 0.12 20.62
19400.06 0.74 2.53 2.03 0.28 4.23 0.58 5.30 0.46 1.94 1.96 0.88 20.99
19410.87 1.00 0.69 4.65 2.31 2.60 2.45 1.11 1.73 2.73 0.52 0.69 21.35
19420.28 0.23 2.91 1.85 10.32 4.87 5.59 1.95 3.05 0.34 0.30 0.32 32.01
19430.92 0.62 1.31 0.80 2.94 7.15 4.33 4.99 1.58 2.91 1.05 0.03 28.63
19441.03 1.28 0.72 2.80 3.97 3.64 4.30 6.69 2.05 0.59 2.09 0.03 29.19
19450.40 0.88 1.09 1.74 7.20 6.83 2.31 0.99 2.61 0.59 0.89 1.18 26.71
19460.23 1.08 1.76 0.63 1.77 5.37 4.32 0.79 4.97 5.00 1.13 0.22 27.27
19470.39 0.25a0.89 3.26 2.15 6.56 0.94 2.67 3.16 2.51 1.81 0.12 24.71
19480.13 1.60 0.24 3.78 2.96 4.80 6.30 2.14 3.78 2.04 0.97 0.02 28.76
19490.72 0.00 1.88 0.59 2.17 3.11 3.32 1.40 2.88 0.95 0.20 0.46 17.68
19500.67 0.57 1.63 2.22 3.91 1.62 2.38 1.62 5.92 2.41 0.92 0.30 24.17
19510.26 0.85 3.07 1.61 4.01 4.85 1.73 4.57 2.58 1.64 0.28 1.79 27.24
19521.24 1.01 1.37 1.08 2.19 6.89 2.63 3.13 0.58 0.00 0.25 0.29 20.66
19530.52 0.68 1.19 3.82 3.80 4.23 1.43 2.72 1.76 0.51 1.39 0.73 22.78
19540.05 1.75 1.45 1.27 2.36 2.80 1.49 3.81 3.21 1.52 0.40 0.10 20.21
19550.23 1.32 0.20 2.50 1.18 4.51 2.69 2.62 1.73 0.45 0.17 0.92 18.52
19560.46 0.24 1.44 1.81 1.96 4.69 5.20 3.65 0.58 1.79 0.95 0.24 23.01
19570.00 0.44 1.33 1.85 3.96 9.28 2.48 3.65 2.28 1.55 0.94 0.62 28.38
19580.00 0.88 0.51 2.30 1.14 3.75 1.55 1.47 1.35 0.64 2.34 0.24 16.17
19590.24 0.67 0.11 0.17 5.41 1.50 2.02 4.14 2.35 2.62 1.10 0.71 21.04
19600.53 0.08 1.07 3.28 4.67 4.95 0.49 6.28 3.77 0.65 0.85 0.92 27.54
19610.20 0.71 0.82 1.05 3.63 3.48 3.04 2.91 2.54 1.77 0.71 0.39 21.25
19620.34 1.49 1.07 1.75 4.70 3.44 6.38 1.62 2.43 0.56 0.11 0.10 23.99
19630.68 0.33 1.10 3.09 1.21 3.25 8.86 1.44 2.88 0.88 0.86 0.51 25.09
19640.04 0.10 2.00 2.68 1.55c2.78 2.30 3.37 1.92 0.02 0.18 0.49 17.43
19650.12 1.03 1.16 4.13 5.80 6.74 1.13 0.76 5.21 0.28 0.82 0.24 27.42
19660.36 1.02 0.44 1.89 1.04 2.20 1.43 2.28 4.76 2.31 0.03 0.01 17.77
19670.48 1.12 0.08 2.64 0.59 7.41 1.78 2.46 0.62 0.36 0.00 0.45 17.99
19680.30 0.02 0.85 4.17 2.04 4.06 1.93 1.82 4.69 4.51 0.33 1.92 26.64
19691.05 1.78 0.66 0.15 2.98 4.17 3.10 1.96 1.74 1.65 0.24 0.82 20.30
19700.24 0.01 0.84 2.82 3.97 3.28 1.81 1.96 1.59 3.31 1.69 0.24 21.76
19710.08 0.77 0.48 1.01 1.10 5.88 1.58 1.94 2.34 4.49 1.89 0.49 22.05
19720.23 0.11 0.96 1.62 8.80 2.39 5.63 1.08 2.27 2.17 1.01 1.04 27.31
19730.21 0.30 2.25 1.11 1.95 1.63 2.40 0.89 4.62 3.06 0.66 0.35 19.43
19740.00 0.46 0.83 1.51 5.17 1.28 2.11 3.50 0.23 1.68 0.12 0.07 16.96
19750.98 0.13 1.79 2.62a1.83 4.44 1.90 3.73 2.71 0.36 1.09 0.14 21.72
19760.36 0.39 0.84 1.47 0.62 2.57 0.92 0.65 1.45 0.37 0.08 0.43 10.15
19770.14 0.82 2.51 -----z2.86 4.79 3.65 4.62 3.20 3.09 1.77 0.88 28.33a
19780.01 0.19 0.59 3.11 2.85 0.89 4.24 2.42 2.30 0.19 0.49 0.46 17.74
19791.62 0.24 2.12 3.06 3.75 3.13 4.09 6.04 2.00 3.01 0.37 0.00 29.43
19800.14 0.39 0.59 0.51 1.41 3.91 1.88 6.33 0.84 2.04 0.00 0.05 18.09
19810.02 0.78 1.41 1.62 0.58 3.28 5.42 5.12 0.83 2.86 0.66 0.33 22.91
19820.46a0.08a0.81 1.92 3.88 1.98 5.69 1.72 2.54 4.84 2.71 1.32 27.95
19830.64 0.02 3.24 0.96 2.38 6.52 4.15 3.30 2.27 0.99 3.25a0.36 28.08
19840.62 0.40 1.85 4.12 3.06 10.05 1.96 0.89 1.20 6.08 0.00 0.69 30.92
19850.33 0.10 1.59 3.95 4.65 1.83 1.35 4.54 4.72 1.38 1.26 0.22 25.92
19860.11 0.26 0.92 5.55 3.00 3.96 4.13 2.53 9.52 0.76 0.69a0.00 31.43
19870.12 0.30 3.09 0.34 2.76 1.68 4.48 2.58 2.21 0.40 1.34 0.52 19.82
19880.85 0.29 1.08 2.62 1.64 1.68 0.69 4.31 3.97 0.02 1.01 0.06 18.22
19890.14 0.35 1.11 1.32 1.25 3.16 4.66 1.18 4.08 0.40 1.12 0.10 18.87
19900.00 0.21 1.61 1.72 5.30 6.72 2.86 4.82 0.20 1.90 0.57 0.56 26.47
19910.10 0.44a0.50 2.71 3.80 5.16 2.76 2.11 2.23 1.38b1.79 0.00 22.98
19920.64 1.42 0.76a1.63 0.76 4.76 1.13g4.32 2.28 1.89 1.38 0.70 20.54a
19930.66 0.49 0.68b1.53 3.13b9.57 9.36 1.56a2.44 0.03 1.73 0.37a31.55
19940.89 0.35 0.22 2.54 2.07 5.63 1.23 3.95 2.77 1.90 0.62 0.46 22.63
19950.05 0.20 3.93a4.97 4.16 1.08 9.79 3.75 3.19 3.34 0.53 0.19 35.18
19960.93 0.17 0.31 0.17 5.14 4.86 -----z3.04 4.24 1.93 2.20 1.16 24.15a
19970.55 0.66 0.41 2.44 1.32 3.24 1.97 1.20 1.81 2.74 0.45 0.06 16.85
19980.55 0.45 1.95 2.32 2.05 2.40 2.80 3.90 1.05 5.92 1.51 0.14 25.04
19990.48 0.03 0.94 4.23 2.48 3.97 2.88 3.17 1.75 0.73 0.10 0.19 20.95
20000.41 0.91 1.10 2.65 6.48 2.85 2.71 2.72 1.32 1.66 2.04 0.71 25.56
20011.69 1.38 1.17 7.84 2.57 5.07 1.65 0.36 2.23 0.00g3.50 0.07 27.53a
20020.45 0.28 2.07 1.52 1.91 3.67 0.74 7.93 0.76 3.11 0.00 0.19 22.63
20030.44 0.67 0.33 3.48 2.54 2.44 2.15 2.02 5.30 0.25b0.69 1.09 21.40
20040.48 1.00 2.21 1.60 14.31 4.56 5.25 3.46 4.00 0.33e0.64 0.12 37.96
20050.31 1.24 1.45 2.11 4.71 6.52 6.61a2.09 7.34 2.21 1.78 1.58 37.95
20060.22 0.42a2.72 2.79 1.20 2.99 0.14 6.23 5.37 0.22 0.54 2.00 24.84
20070.32 1.45 2.13 3.40 2.62 4.58 0.24 7.72 2.41 6.31 0.03 0.89 32.10
20080.14 0.23 1.30 2.85 4.06 3.94 3.89 2.58 1.77 5.88 1.25 1.03 28.92
20090.57 0.39 1.76 2.26 1.69l3.58 2.99 3.11 0.94 4.74 0.03 1.89 22.26a
20101.02 1.47 0.39 1.61 2.44 7.57 6.29 5.07 10.40 1.08 0.37 1.76 39.47
20111.28 1.76 1.08 2.83 6.43 5.19 8.18 2.14 0.27 0.51 0.08 0.32 30.07
20120.75 2.33 1.44 2.98 11.00 1.54 0.07 2.10 1.02 1.00 0.50 1.71 26.44
20130.17 0.62 0.79 3.63 2.86 5.57 2.47 2.04 2.06 3.11 0.54 0.84 24.70
20140.28 0.38 0.94 1.84 3.09 8.98 1.44 2.77 1.25 0.74 0.51 0.97 23.19
20150.37 0.33 0.30 0.93 5.27 5.77 6.74 6.27 2.26 1.16 1.76 2.21 33.37
20160.50 0.81 2.02 2.86 4.93 3.70 5.04 5.68 1.99 2.50 1.65 1.76 33.44
20170.40 0.13 0.50 2.06 5.19 2.63 3.13 5.10 2.72 3.60 0.14 0.59 26.19
20180.26 0.88 3.81 2.16 2.56 7.62 6.08 2.85 5.89 2.66 1.14 0.92 36.83
20190.71 1.48 3.39 5.21 6.12 2.90 6.74 2.09 10.15 2.11 1.23 0.96 43.09
20200.65 0.53 0.55 0.82 2.92 3.55 4.41 3.31 0.82 1.20 1.53 0.49 20.78
20210.74 0.73 2.24 1.10 1.43 1.07 2.73 2.82 3.91 4.13 0.46 1.19 22.55
20220.49 0.14 0.95 2.65 7.00 1.39 0.48 2.88 0.67 0.81 1.05 1.86 20.37
20231.06 1.10 1.15 1.46 1.54 3.09 1.59 3.05 1.03 3.71 0.02 1.85 20.65
20240.56 0.23 0.63a2.48m-----z-----z-----z-----z-----z-----z-----z-----z1.42i
Period of Record Statistics
MEAN0.49 0.60 1.21 2.31 3.34 4.08 3.00 3.07 2.68 1.79 0.94 0.62 24.50
S.D.0.39 0.51 0.83 1.36 2.27 2.00 2.03 1.73 1.92 1.45 0.80 0.55 5.71
SKEW1.05 1.08 1.21 0.96 1.73 0.70 1.03 1.12 1.61 1.16 1.15 1.18 0.69
MAX1.79 2.33 3.93 7.84 14.31 10.05 9.79 9.84 10.40 6.31 3.59 2.23 43.09
MIN0.00 0.00 0.00 0.04 0.28 0.89 0.07 0.36 0.20 0.00 0.00 0.00 10.15
YRS126 127 130 125 129 127 127 128 127 128 128 128 110