CHARLESTON, IL

Maximum of Precipitation (Inches)

(111436)

File last updated on September 28, 2022
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
18960.40 0.57 0.34 0.71w2.98 1.73 3.41 1.98 1.50 0.16 1.18 0.40 3.41w
18971.99 0.65q1.95 1.84 0.78 2.18 1.26 0.13 0.77 0.39 1.20 0.71 2.18q
18980.89 0.63 1.59 0.81 1.78 0.90 0.75 0.84 0.85 1.27 0.73a0.65 1.78a
18990.97 1.70 1.01 0.29 1.77 1.38 0.41 0.41 0.47 1.00 0.75 0.92 1.77
19000.14 1.22 1.51 0.50 1.45 1.45 -----z1.35 1.07 1.31 1.22 0.46 -----z
19011.00 0.91 1.00 -----z1.30 -----z-----z-----z-----z-----z0.80 2.06 -----z
19020.25 1.10 1.75 0.74 1.18 2.57a2.15 1.82 3.10 1.03 0.75 0.70a3.10b
19030.70 0.79 0.47 1.25 0.22 1.66 2.12 1.63 0.81 1.56 1.07 1.38a2.12a
19041.50 0.60 3.33 2.71 1.52 0.48 1.24 3.15 3.57 0.52 0.13 0.74 3.57
19050.78 0.46 0.47 0.97 1.29a0.82a1.86 0.79 0.76 2.40 0.95 0.70 2.40b
19061.70 0.37 1.39a0.69 1.46 0.80 1.53 0.72 1.37 0.80 1.48 1.35 1.70a
19070.93 0.20 0.85 0.58 0.70 0.99 1.97 1.16 0.32 1.03 1.27 0.95 1.97
19080.32 1.01 0.81 0.83 1.34 1.10 1.56 0.56 0.81 0.10 1.40a0.66 1.56a
19090.65a0.99 1.23 3.28 1.43 1.04 2.72 1.11 1.78 1.40 1.01 0.37 3.28a
19100.51 1.39 0.24 0.50 0.76 0.79 1.52 1.72 0.90 1.83 2.18 0.44 2.18
19111.31 0.51 0.83 1.25 0.22 0.45 0.76 1.05 2.49 1.11 0.98 0.39 2.49
19120.43 0.99 1.47 1.05 0.87 1.05 2.25 1.31 1.42 1.38 0.42 0.48 2.25
19131.49c0.59 2.76 0.75 0.27 0.56 0.24 -----z-----z1.15 1.57 0.28 -----z
19141.30 0.60 0.55 0.92 0.30 0.63 0.45 2.27 0.36 1.49 0.80 0.44 2.27
19151.00 1.00 0.48 0.54 1.66 1.81 2.48 3.03 0.56 0.48 0.92 1.35 3.03
19162.40 0.44 0.42 0.38 1.05 1.44 0.41 0.79 1.40 0.92 0.79 1.18 2.40
19171.26 0.44 1.93 0.81 2.34 3.17 4.25 1.36 0.57 1.55 0.13 0.20 4.25
19180.54 1.46 0.35 1.88 0.71 2.94 1.56 1.27 2.66 1.04 0.75 1.80 2.94
19190.48 1.87a1.31 0.36 0.98 2.05 0.72 0.92 1.95 1.90 2.08 0.39 2.08a
19200.28 1.18 0.97 0.91 3.12 0.86 0.67 0.59 1.94 1.62 0.34 1.39 3.12
19210.33 0.31 1.97 1.00 0.73 0.92 0.67 2.35 2.84 0.94 2.56 1.59 2.84
19220.47 0.38 4.16 2.57 0.68 1.18 1.10 1.62 0.22 0.78 0.41 1.83 4.16
19230.48 0.85 1.68 1.15a1.28 0.61 0.93 2.01 3.27 3.21 0.67 1.07 3.27a
19240.83 0.49 0.95 1.57 1.99 1.78 0.83 2.31 1.57 0.47 1.00 2.06 2.31
19250.41 0.27 2.15 0.51 0.24 0.86 0.94 1.49 0.79 0.45 2.12 0.99 2.15
19261.22 1.32 0.60 0.54 1.63 1.59 2.24 1.18 6.00 1.99 0.88 0.40 6.00
19271.92 0.51 1.85 2.49 1.09 0.75 0.87 1.83 1.62 1.88 2.50 1.11 2.50
19280.86 0.80 0.55 0.84 1.41 1.90 1.24 1.42 0.90 1.12 0.52 1.13 1.90
19291.16 0.31 1.80 2.42 1.80 1.35 4.00 0.16a0.48 0.92 0.84 1.90 4.00a
19301.37 0.76 0.80 0.47 0.22 1.30 0.31 1.41 0.78 1.25 0.98 0.29 1.41
19310.23 0.70 1.12 0.94 1.35 0.75 0.78 1.59 4.02 2.83 1.48 1.32 4.02
19320.75 0.44 0.46 0.37 0.68 1.36 0.60 0.71 1.55 1.80 0.81 1.37 1.80
19330.95 0.65 0.76 1.42 2.49 1.47 1.38 2.64 1.10 1.27 0.56 0.90 2.64
19340.55 0.45 1.00 0.65 1.05 0.92 1.95 2.21 2.10 0.70 1.75 0.38 2.21
19350.75 0.38 0.93 0.60 4.29 0.64 0.54 1.28 0.93 0.70 0.99 0.31 4.29
19360.36 1.03 1.49a0.95 0.96 0.17 1.90 1.88 1.90 1.01 1.58 1.71 1.90a
19371.43 0.57 0.56 0.83 1.60 1.08 2.10 0.87 0.80 1.65 0.69 0.63 2.10
19380.58 0.54 2.61 1.03 1.48 0.58 2.79 1.02 1.03 1.45 0.75 0.79 2.79
19391.33 0.78 3.11 1.51 0.78 1.79 1.19 2.00 0.50 0.70 0.82 0.65 3.11
19400.97 0.33 0.48 1.64 1.94 0.59 1.33 1.82 1.20 1.21 1.80 0.71 1.94
19410.52 0.25 0.40 0.88 1.37 1.75 0.89 1.50 0.96 1.48 1.40 0.46 1.75
19420.50 1.06 1.49 1.03 0.72 2.18 1.46 0.77 0.48 1.98 2.01 0.74 2.18
19430.12 0.55 1.32 0.65 2.39 0.71 1.19 0.50 1.02 0.94 1.86 0.91 2.39
19440.10 0.64 1.26 1.89 0.63c-----z-----z-----z-----z-----z0.40 0.67 -----z
19450.85 1.30 1.91 1.53 1.75 2.84 -----z-----z-----z-----z-----z-----z-----z
19460.21i1.62 0.39 0.35 1.76 1.67 1.86 1.22 1.02 1.08 1.98 0.80 1.98i
19471.35 0.08 0.74 1.31 1.85 1.00 0.12 0.81 2.20 1.35 0.89 0.50 2.20
19481.74 0.69 1.75 0.55 0.65 1.15 1.75a1.08 0.52 1.45 1.30 1.16 1.75a
19492.65 2.10 1.03 0.85 1.12 2.50b0.64 0.97 1.41 2.12 0.75 0.63 2.65b
19502.50 2.18 1.01 1.97 0.77a0.58b2.80 1.05 2.75k0.46 1.01e0.75a2.80t
19510.77 1.30 0.44 2.60 -----z1.54a1.61 4.49 1.25a0.74 1.58 0.71 -----z
19522.18 0.53 0.97 1.17 0.65 1.33 1.70 1.32 0.55t0.29 1.36 0.56 2.18t
19530.39 0.80 1.76 0.43 1.06 1.53 1.72l0.57 0.36 0.83 0.70 0.27 1.76l
19540.97 0.76 0.32 0.97 0.26c0.55 0.49 1.42 1.05 1.77 0.28 0.60 1.77c
19551.02 0.47 0.85 0.95 2.98 1.37 1.87 0.28 1.63 2.10 0.80 0.00a2.98a
19560.32c-----z-----z1.68 1.20 1.58 1.06 1.32 0.72 0.62 0.95 1.50 -----z
19570.55 0.77 0.85 1.93 1.02 6.50 0.93 1.26 1.64 1.55 0.60 1.95 6.50
19581.00 0.55 0.77 0.98 1.14 1.29 2.14a3.23 1.20 0.95 2.75 0.05 3.23a
19592.00 1.57 0.64 0.95 0.78 1.42 1.06 1.56 -----z0.76 1.03d-----z-----z
1960-----z0.50b-----z0.83 1.21 2.92 0.72 0.76 0.64 0.35 0.76 0.81 -----z
19610.41 0.48 1.80 0.83 2.27 0.57 2.37 1.96 3.60 0.67 1.33 0.40 3.60
19621.65 0.16e2.66 0.49 1.68 1.72 1.30 1.25 0.66 0.67 0.69 0.40 2.66e
19630.31 0.04 2.18 0.95 0.68 1.60 1.31 1.32 0.49 0.38 1.40 0.34 2.18
19640.58 0.70 1.91 1.20 0.44 1.07 1.04 0.50 0.82 0.21 2.47 0.46 2.47
19650.66 0.90 0.52 2.82 0.52 1.30 1.54 1.53 1.04 0.75 0.38 1.03 2.82
19661.82 0.44 0.52 1.28 1.75 0.82 0.54 0.93 1.85 0.48 2.32 1.60 2.32
19670.92 1.04 0.91 1.24 2.08 0.85 2.01 0.80 0.58 1.49 0.95 2.23 2.23
19680.75 0.60 0.46 1.39 1.85 2.39 1.46 1.30 0.61 0.45 1.90 0.68 2.39
19691.22 0.75 0.74 0.84 0.57 1.75 1.69 0.87 4.59 1.25 0.70 0.35 4.59
19700.26 0.38 0.73 2.43 1.17 1.15 0.59 0.88 1.82 0.66 0.77 0.46 2.43
19710.82 1.74 1.41h0.18 1.46 1.46 2.59 0.33 1.98 0.86 0.40 1.91 2.59h
19720.37 0.20 0.25 1.44 1.65 0.50 0.73 1.28 1.35 0.96 1.74 1.36 1.74
19730.65 0.22 1.48 1.14 0.49 3.38 5.18 1.22 0.71 0.91 1.61b1.50 5.18b
19740.99 1.08 1.03 1.05 2.51 2.60 0.64 2.13 1.56 0.70 0.70 0.48 2.60
19751.21 2.16 1.09 1.95 1.60 1.10 2.53 2.42 1.02 0.95 1.24 1.43 2.53
19760.78 0.53 1.32 0.34 0.91 1.02 1.20 0.69 0.76 1.69 0.52 0.23 1.69
19770.29 1.25 2.58 0.50 1.76 0.62 1.20 1.60 0.94 2.30 0.84 1.84 2.58
19780.40 0.30 0.85 0.62 1.24 1.01 2.44 1.95 0.27 1.95 2.14 1.00 2.44
19790.70a0.75a1.55 1.74 0.65 1.26 2.51 1.18 0.12 0.62 1.53 1.44 2.51b
19800.30 0.40a1.17 0.60 0.43 2.50 0.93 1.21 1.28 0.60 0.89 0.28 2.50a
19810.15d0.78 0.50a1.32 1.32 2.32 0.98 2.26 1.43 0.70 0.43 1.32e2.32j
19821.63g1.00 0.52s0.77b2.37 0.79 1.10 0.66 0.70 3.61 0.89a1.61 -----z
19830.18 0.90d1.33a1.15 1.47 1.47 0.64 0.75 1.20 1.57 2.03 1.25d2.03i
19840.28 0.99 0.77a2.01a0.76 0.28 0.55 0.31 1.52 1.80 1.74 1.38 2.01b
19850.80d1.63c0.61 0.82 1.60 2.42 0.89 2.51 0.13 1.83 2.02 2.70 2.70g
19860.00b0.63a0.89 0.24 1.67 0.59 1.99 0.25 1.68 2.79 0.98 0.60 2.79c
19870.73 0.49 0.59 1.52 0.47 0.71 2.17 0.92 1.64 0.21 1.12 2.45a2.45a
19880.98 1.75a1.15a0.73 1.14 0.67 0.93 0.49 1.11 1.19 1.30 1.41 1.75b
19891.00 0.28 0.80 1.45 0.67 1.71 0.96 1.20 4.95 0.44 0.84 0.32c4.95c
19900.42a1.47 0.48 0.84 1.48 1.75 1.32 1.85 0.87 1.55 1.70 2.87 2.87a
19910.41 0.22a0.81 0.38 0.41 1.38 0.89 0.95 0.74 1.28 1.20a0.75 1.38b
19920.29 0.87 0.56 1.13 0.41 0.38 2.05 1.34 1.92 1.68 2.00b0.59 2.05b
19931.31 0.60 0.81 0.98 0.75 1.52 2.62 0.64 2.77 1.95 2.49 0.42 2.77
19940.91a0.78a0.54 1.93 0.96 2.46 1.90 1.16 1.63a0.85 0.98 0.70 2.46c
19950.56 0.32 2.24 1.17 1.61 0.85 1.25 0.54 0.84 1.15 0.68 1.03e2.24e
19961.11c0.26h0.70b3.42 1.70 0.77 2.29 1.65 1.01 0.92 1.01c0.69c3.42s
19970.83b2.70c1.76 0.51 1.38 1.10 1.27 1.79 0.32 0.55a0.82c0.60b2.70k
19980.71a0.54 1.95 1.20 2.02 1.20 0.87 0.91 0.56 1.05 1.37 0.41b2.02c
19991.35 1.46 0.66 0.86 0.84 1.04 0.64 2.60 1.16 0.98 0.63 0.88 2.60
20000.82 1.15 0.69 1.53 1.18 3.23 2.33 2.75a4.23 3.60 1.41 0.48g4.23h
20010.36c1.15b0.59 1.35 0.74 1.35 2.00 1.02 0.64 3.14 0.75 1.43 3.14e
20020.87a1.11 1.06a2.35 4.66 2.12 1.24 0.61 0.61 0.54 1.32 0.75 4.66b
20030.15b0.45b0.49a0.75 2.40a0.57 3.46 1.13a3.72 1.93 1.35 1.49 3.72g
20041.17b0.26d1.47 0.46 1.34 0.83 1.45 2.01 0.45 2.21 0.93 1.02 2.21f
20051.49a0.68 0.45a0.81 1.27 0.89 1.31 1.09 1.79 0.77 0.78 0.64g1.79i
20061.34 0.64a1.51a3.55 1.42 1.42 1.75 0.94 0.90 1.72 0.78 1.22 3.55b
20071.76 0.91c0.92 1.12 0.40 1.26 1.67 2.01 0.86 1.21 0.94 0.61a2.01d
2008-----z-----z-----z-----z-----z-----z-----z0.19r0.76h1.06f0.84b1.59 -----z
20090.35 2.66 0.59b1.59 2.36 1.36 1.12 1.15 0.80 1.54 1.47 0.78b2.66d
20100.86 0.55 0.66a0.88a0.76 1.18b1.81 0.62 2.07 0.42 1.32 0.93b2.07f
20110.28 2.39 1.51 2.44a2.00 1.82a1.90 0.46 0.61a1.34a1.68 1.15a2.44e
20120.91a0.55 0.38 1.73 0.73b0.50a0.06 1.11a1.91 1.10 0.80 1.42 1.91e
20132.09 0.80 0.54 1.90a0.78 3.29 2.18 0.27 0.18 1.27c0.64d1.75c3.29k
20141.02f1.10 0.40 1.45 1.31b2.65a1.10a1.06 1.03 3.01f2.60c0.79b3.01u
20150.75 0.37a0.74c0.84a0.91b1.82 0.81 0.76a1.76 1.12a1.43a2.58 2.58j
20160.34a0.82 0.99a1.44 0.57b1.35c1.65c3.20d1.79b1.58a1.52a0.53a3.20s
20171.35c0.09c0.65g2.71 3.27e1.80d1.75e0.40b0.01e2.55f1.13d0.35c-----z
20180.45d1.18d1.61 3.76a1.88b4.10f1.75 1.35 2.86h0.72 1.51d1.52d-----z
20191.82 0.42b1.26e1.66 1.20 3.10 1.60b1.45 0.45a2.82a1.79b1.90c3.10p
20203.75c0.90b1.92e1.57g1.95a2.65 3.14 0.87a1.90a2.67 1.40 0.70a3.75u
20211.43 1.55b0.89a0.40a2.39 1.21 2.81 1.20 1.59 2.30 0.70 1.58a2.81e
20220.50 1.76d2.11 0.78 0.77a1.11d2.23 2.84 0.33h-----z-----z-----z-----z
Period of Record Statistics
MEAN0.90 0.84 1.14 1.22 1.32 1.43 1.52 1.33 1.37 1.26 1.17 0.98 2.70
S.D.0.62 0.54 0.71 0.74 0.78 0.86 0.87 0.75 1.05 0.72 0.57 0.60 0.99
SKEW1.42 1.25 1.39 1.27 1.36 2.10 1.17 1.15 1.85 1.02 0.71 0.86 1.64
MAX3.75 2.70 4.16 3.76 4.66 6.50 5.18 4.49 6.00 3.61 2.75 2.87 6.50
MIN0.00 0.04 0.24 0.18 0.22 0.17 0.06 0.13 0.01 0.10 0.13 0.00 1.38
YRS122 123 121 123 125 123 121 122 117 120 125 122 84