RIVERTON, MN

Total of Precipitation (Inches)

(216972)

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
1948-----z-----z-----z-----z-----z-----z-----z4.84b0.47a0.98 1.41 0.80 8.50g
19491.36 0.42 0.79 0.58 4.82 4.52 6.37 3.01 0.96 5.24 1.09 0.61 29.77
19502.04 0.17 2.12 3.90 4.92 2.22a2.86 0.37 -----z2.02 0.78 0.90 22.30a
19510.37 1.54 2.06 2.89 4.07 4.18 4.47 3.87a4.15 3.14 0.99 1.26 32.99
19521.68 0.55 1.85 0.81a0.74 4.30 13.77 4.55 0.19 0.21 0.61 0.14 29.40
19531.16 1.11 0.90 3.17 4.80 5.55 5.50 7.20 1.81 0.41 1.57 1.23 34.41
19540.94 0.65 1.61 2.24 5.76 2.87 2.86 2.97 3.06 1.52 0.53 0.14 25.15
19550.64 1.40 0.90 1.07 1.89 2.50 8.83 4.08 2.72 1.22 1.28 1.31 27.84
19560.56 0.14 1.40 1.29 4.51 1.36 4.25 4.37 1.07 1.53 1.49 0.70 22.67
19570.12 0.70 1.01 2.98 2.24 7.47 3.91 2.33 3.32 1.32 1.23 0.51 27.14
19580.44 0.02 0.47 0.94 1.10 6.34 2.27 4.02 2.54 1.26 2.26 0.19 21.85
19590.38 0.54 0.11 0.79 8.61 1.35 3.71 3.27 2.94 2.32 0.29 1.45 25.76
19600.78 0.15 0.42 3.90 3.44 3.94 2.36 2.35 0.90 0.73 1.08 0.64 20.69
19610.14 0.22 0.57 3.15 3.10 0.60 6.02 2.37 3.55 1.63 0.80 0.85 23.00
19620.66 1.65 0.63 1.62 6.36 2.86 3.89a2.75 2.62 0.94 0.26a0.20 24.44
19630.21 0.41 2.03 2.84 3.67 4.18 8.19 3.92 2.38 0.72 0.90 0.76 30.21
19640.31 0.08 1.41 3.48 2.05 4.45 2.99 9.82 4.74 0.10 1.19 1.02 31.64
19650.42 0.88 4.05 2.09 4.76 4.81 2.72 5.36 6.99 2.75 1.97 1.36 38.16
19661.08 1.00 3.01 2.91 2.31 4.39 6.41 5.62 0.53 1.84 1.17 0.75 31.02
19671.78 0.30 0.70 1.99 0.97 4.34 2.02 2.44 1.37 0.72 0.27 1.22 18.12
19680.71 0.03 1.74 5.28 2.52 6.96 2.79 1.63 5.20 4.07 0.41 2.99 34.33
19692.63 0.46 0.30 1.63 2.49 4.18 3.69 0.37 3.82 1.63 0.79 1.87 23.86
19700.17 0.18 1.45 3.42 2.07 2.26 1.03 0.52 1.63 5.10 3.30 1.08 22.21
19710.74 2.02 0.94 1.58 2.27 3.39 5.44 3.37 2.13 8.20 1.94 0.60 32.62
19721.00 0.63 1.73 1.72 5.00 2.30 8.98 5.85 1.72 1.76 1.53 1.32 33.54
19730.13 0.05 0.83 0.97 4.00 3.55 6.26 6.11 4.45 5.36 1.39 0.75 33.85
19740.22 0.62 0.48 3.18 3.53 3.11 3.55 3.25 0.47 1.20 3.01 0.66 23.28
19752.03a0.36 1.90 1.98 2.50 6.92 3.56 3.62 1.99 0.95 1.43 0.05 27.29
19761.10 0.20a1.04 0.33 0.78 4.94 2.11 1.03 0.33 -----z0.28 0.38 12.52a
1977-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1978-----z0.17 0.70 2.11 4.10 5.62 -----z-----z-----z-----z-----z-----z12.70g
1979-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1980-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z0.00l
1981-----z-----z-----z-----z-----z7.57 2.50c5.38 1.04 4.50 0.71 0.73 22.43e
19821.49a0.34 2.23 2.20 5.65 3.88 4.08 2.33 5.12 4.99 1.63 1.13 35.07
19831.07 0.08 1.94 0.86 1.89 5.00 4.05 2.25 2.50 1.96 2.74 1.20 25.54
19840.54 0.92 0.56 2.34 2.68 6.38 1.23 2.16 2.38 5.64 0.40 1.38 26.61
19850.23b0.34 2.29 3.69 4.82 4.81 5.79 4.75 4.37 1.84 2.63 0.85 36.41
19860.68 1.11 1.09 5.27 3.40 4.90 5.21 5.89 8.22 0.56 1.99 0.27 38.59
19870.55 0.11 0.99 0.09 3.67 0.30 3.51 2.95 3.77 0.83 0.79 1.15 18.71
19881.24 0.05 2.20 0.34 2.66 2.44 1.72 7.90 4.70 1.22 2.87 1.13 28.47
19891.01 0.46 1.58 1.71 4.82 4.17 1.44 4.85 3.45 1.85 1.53 0.20 27.07
Period of Record Statistics
MEAN0.85 0.54 1.35 2.20 3.49 4.08 4.33 3.78 2.80 2.22 1.33 0.89 28.29
S.D.0.62 0.50 0.83 1.31 1.70 1.80 2.57 2.06 1.86 1.88 0.81 0.56 5.49
SKEW0.99 1.24 1.01 0.48 0.61 -0.02 1.58 0.65 0.81 1.36 0.74 1.24 0.07
MAX2.63 2.02 4.05 5.28 8.61 7.57 13.77 9.82 8.22 8.20 3.30 2.99 38.59
MIN0.12 0.02 0.11 0.09 0.74 0.30 1.03 0.37 0.19 0.10 0.26 0.05 18.12
YRS36 37 37 37 37 38 37 38 37 37 38 38 34