MIDWAY SAND ISLAND,

Maximum of Precipitation (Inches)

(914490)

File last updated on September 8, 2026
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
19532.84 1.04 1.34 2.30 2.60 0.86 1.85 0.85 2.46 0.73 1.20 0.44 2.84
19540.59 0.30 0.40 2.76 0.13 0.75 0.98 0.41 1.27 0.30 0.81 0.83 2.76
19550.47 1.71 0.50 1.21 0.13 0.20 0.65 1.20a0.53 6.83 1.12 1.12 6.83a
19560.80j1.22 0.36 0.14 0.86 2.24 2.05 3.83 1.72 2.83 0.17 0.84 3.83j
19571.08j2.92 0.30 0.50 0.56 0.28 0.71j4.55 0.74 0.72 1.00 1.54 4.55t
19585.04 1.68 1.24 0.09 0.41 0.91 0.43 0.44j0.55j1.03 1.08 0.68 5.04t
19590.68 0.61 0.86 1.36 0.13 1.80 0.66 2.11 1.82 0.44 0.87 0.27 2.11
19601.14j1.27 0.61 3.30 6.80a0.73 0.23a4.24i0.66 1.50 1.15 0.48 6.80u
19613.12 1.94 2.17 0.81 0.90 7.16 0.30 0.92 0.58 3.12 0.77 1.62 7.16
19621.43 1.76 3.01 5.00 0.15 1.64 1.81 0.90 0.82 1.56 0.44a1.44 5.00a
19631.27 1.03 3.36 1.35 0.93 0.50 2.10 1.37 1.29 1.86 3.03 0.88 3.36
19641.76 1.36 3.82 1.43 1.56 1.28 1.22 0.40 0.40 1.73 1.92 1.06 3.82
19650.37 1.05 0.73 1.41d0.12f1.32 0.50 0.52 1.81j0.10j2.63h1.16b-----z
19660.77 0.16 0.46 0.47 0.83 0.36j1.09 0.53 1.07 6.00 1.20 0.37j6.00t
19671.34 2.45 0.75 1.04 0.48 1.05 3.02 3.36 0.38 1.23 6.19 0.93 6.19
19681.96 1.03 0.02 0.42 1.35 0.70 2.12 2.03 1.18 0.31 0.96 3.89 3.89
19690.64 1.05 0.53 0.41 0.21 0.15 0.93 1.67 0.57 0.87 2.23 1.04 2.23
19700.86 0.93 -----z1.50 2.92 0.53a1.09 0.98 3.73 1.56 3.53 1.30 -----z
19711.14 2.86 -----z0.22 0.44 0.28 0.41 4.26 1.00 -----z0.28 1.41 -----z
19721.36 1.29 0.78 2.72 0.82 0.99 3.82 0.69 2.90 0.39 0.48 0.21 3.82
1973-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
19741.22m0.54g-----z-----z-----z-----z-----z2.24l1.83b-----z-----z-----z-----z
1975-----z1.26d1.62p-----z1.00a-----z-----z-----z-----z-----z1.01 -----z-----z
19761.38u-----z0.57 0.09u-----z-----z0.16n-----z0.26 -----z0.10x-----z-----z
19771.86 -----z1.31 0.21 0.41 0.09 1.16 0.27 2.76 0.90 2.20 2.71 -----z
1978-----z0.56 0.95 0.58 0.21 1.91 1.15 -----z1.16 1.31 0.92 -----z-----z
19791.61 2.12 1.13 -----z0.92 0.83 -----z-----z1.15 1.78 5.00 -----z-----z
1980-----z-----z0.32 0.09 0.23 0.49 1.61 1.27 0.86 3.16 0.41 1.90 -----z
1981-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
1982-----z-----z-----z-----z-----z0.13 1.18 2.86 2.14 2.22 1.96 0.56 -----z
19830.64 0.53 1.01 1.00 1.05 0.10 1.28 4.83 0.79 0.29 0.50 0.85 4.83
19841.14 1.16 2.06 0.57 -----z2.06 2.59 0.78 2.11 0.54 1.63 1.29 -----z
19851.07 -----z0.88 3.47 1.12 1.33 1.25 2.28 0.57 -----z0.79 1.09 -----z
19861.40 0.71 0.44 1.89 0.76 0.12 1.33 0.80 0.81 0.11 0.19 0.50 1.89
19871.60 0.62 0.64 -----z0.09 1.10 1.09 0.27 0.51 0.25 0.93 0.24 -----z
19880.47 1.99 0.26 1.98 -----z1.12 -----z1.11 -----z0.24 -----z0.44 -----z
19891.94 0.88 1.21 -----z1.89 0.25 1.13 1.08 2.28 3.75 0.95 1.70 -----z
19900.61 0.86 0.85 1.79 0.08 0.53 0.26 0.89 0.23 2.36 1.01 -----z-----z
19911.56 1.49 1.07 0.27 0.52 0.50 0.47 0.81 0.99 -----z-----z-----z-----z
Period of Record Statistics
MEAN1.41 1.29 1.06 1.34 0.98 1.03 1.28 1.59 1.26 1.66 1.44 1.12 4.05
S.D.0.98 0.69 0.90 1.18 1.28 1.25 0.83 1.33 0.86 1.62 1.34 0.77 1.73
SKEW2.01 0.74 1.72 1.25 3.25 3.67 1.15 1.23 1.08 1.73 2.12 1.80 0.53
MAX5.04 2.92 3.82 5.00 6.80 7.16 3.82 4.83 3.73 6.83 6.19 3.89 7.16
MIN0.37 0.16 0.02 0.09 0.08 0.09 0.23 0.27 0.23 0.11 0.17 0.21 1.89
YRS28 31 32 30 31 33 31 30 33 30 32 29 14