ARVILLA STATE PARK, ND

Maximum of Precipitation (Inches)

(320369)

File last updated on April 24, 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
1946-----z-----z-----z0.13 0.56 2.03 0.20 1.28 1.99 0.62 0.28b0.18 -----z
19470.33 0.25 0.12 0.50 0.82 -----z-----z1.61 1.18 -----z-----z-----z-----z
1948-----z-----z-----z-----z-----z1.14 1.09 0.18 0.28 0.38 0.32 0.21 -----z
19490.19 0.29 0.08 0.04 2.45 0.78 1.07 0.91 0.43 2.71 0.13 0.39 2.71
19500.42 0.24 0.48 0.49 1.17 1.14 2.26 0.62 2.78 0.37 0.11 0.08 2.78
19510.09 0.13 0.33 0.15 0.41 0.81 2.12 2.72 0.72 0.11 0.13 0.13 2.72
19520.17 0.11c0.28 0.16 0.31 0.89 1.76 0.64 0.40 0.04 1.17 0.17 1.76c
19530.08 0.09 0.16 0.65 0.82 1.91 0.89 0.83 0.98 0.77 0.29 0.15 1.91
19540.42 0.04 0.26a0.70 0.81 0.99 0.74a0.95 0.95 0.29 0.26 0.13 0.99b
19550.09 0.35 0.24 0.25 0.93 0.87 1.03 0.87 1.35 0.14 0.17 0.14 1.35
19560.34 0.15 0.54 0.09 0.55 0.65 0.82 1.04 0.07 0.80a0.83 0.27 1.04a
19570.04a0.26 0.06 0.11 0.48 0.59 0.71 2.95 4.60 0.95 0.19 0.03 4.60a
19580.06 0.06 0.05 0.23 0.44 1.27 0.95 0.40 0.60 0.10 0.49 0.34 1.27
19590.10 0.22a0.00 0.18 1.30 1.02 1.35 0.76 0.72 1.60 0.68 0.12 1.60a
19600.12 0.12 0.20 0.36 0.78 0.76 0.05g1.25 0.52 1.11 0.31 0.35 1.25g
19610.25 0.16 0.76 0.45 0.60 0.50 0.66 0.96 1.15 1.49 0.11 0.19 1.49
19620.26 0.46 0.46 0.10 1.60 1.85 0.56 0.89 1.85 0.35 0.35 0.35 1.85
19630.06 0.17 0.23 0.55 0.55 0.60 1.80 0.27 0.16 0.35 -----z-----z-----z
19640.40 -----z-----z0.65q0.39 1.00 0.70 2.40 0.46a0.00 0.05 0.10 -----z
19650.08 0.23 0.08 1.00 0.66 1.23 0.87 0.87 1.78 0.46 0.36 0.20 1.78
19660.13 0.34 -----z0.31 1.06 1.45 1.33 0.55 0.15 0.51 0.02b0.50 -----z
19670.70 0.08 0.34 1.07 0.45 -----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN0.22 0.20 0.26 0.38 0.82 1.07 1.10 1.09 1.10 0.66 0.33 0.21 1.99
S.D.0.17 0.11 0.20 0.30 0.50 0.44 0.55 0.75 1.07 0.66 0.29 0.12 0.95
SKEW1.20 0.62 0.89 0.99 1.87 0.87 0.73 1.34 1.87 1.67 1.58 0.77 1.50
MAX0.70 0.46 0.76 1.07 2.45 2.03 2.26 2.95 4.60 2.71 1.17 0.50 4.60
MIN0.04 0.04 0.00 0.04 0.31 0.50 0.20 0.18 0.07 0.00 0.02 0.03 0.99
YRS20 19 18 20 21 20 19 21 21 20 19 19 14