ONTARIO 3E, WI

Maximum of Precipitation (Inches)

(476280)

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
1975-----z-----z-----z-----z-----z-----z0.54p-----z-----z-----z-----z0.65 -----z
19760.21 -----z-----z0.85 1.10b-----z0.80 0.80 -----z-----z-----z-----z-----z
19770.08 0.60 0.85 -----z-----z2.30 1.60 1.30 -----z-----z-----z-----z-----z
1978-----z-----z-----z1.10 -----z1.80 6.00 0.57 -----z0.70 1.10 0.22 -----z
19790.18 0.65 1.30 0.75 4.10a1.55 1.00 2.25 0.40 1.00 0.40a0.75 4.10b
19800.70 0.06 0.26 1.20 1.15c1.60 1.90 3.80 1.45a0.70 0.30 0.25 3.80d
19810.03 0.56 0.25 2.95 0.60 0.65 2.50 1.42 0.70 1.40 0.55 0.32 2.95
19820.55 0.02 0.80 1.10 1.38 0.55 2.20 0.85 0.45 1.10 2.75 1.20 2.75
19830.25 0.25 0.95 0.62a1.00 1.20 1.40 2.80 2.00 1.50 0.75 0.35 2.80a
19840.06 0.75 0.60 2.00 1.15 5.70 1.20 0.78 2.20 1.50 0.80 0.70 5.70
19850.08 -----z1.20 1.40 0.95 0.55 1.70 1.20 1.25 1.50 0.52 0.24 -----z
19860.25 0.36 1.50 0.75 0.52 1.85a1.40 1.40 3.50 0.85 0.35 0.20 3.50a
19870.28 0.53 0.35 1.80 1.80 0.78 1.90 1.15 0.75 1.00 1.00 0.28b1.90b
19880.34 0.08 0.75 0.60 0.80 1.00 0.75 0.90 2.50 0.35 1.75 0.45 2.50
19890.15 0.22 0.42 0.75 2.75 1.50 1.20 2.80 1.20 0.80 0.74 0.12 2.80
19900.80 0.16 1.50 0.60 1.50 1.30 -----z3.03a1.15 0.60 0.45 1.54 -----z
19910.26 0.12 0.85 0.90 1.35 0.85 1.95 1.85 1.75 1.20 1.40 0.75 1.95
19920.45 0.23 1.30 1.10 1.90 1.30 1.00 1.00 1.90 0.35 1.50 0.25 1.90
19930.95 0.75 0.75 1.20 1.58 1.20 1.00 2.50a1.30 0.85a0.35 0.25 2.50b
19940.33 0.90b0.25 3.00 0.50 1.10 1.75 1.50 2.50 0.30 1.25 0.20 3.00b
19950.20 0.06 1.00 0.80 0.80a0.75 0.95 1.20 0.75 1.75 1.20 0.26 1.75a
19960.90 0.15 0.48 0.75 0.50 3.75 1.00 0.85 0.60 1.05 0.51a0.45 3.75a
19970.48c0.35c1.05 1.30 1.05 0.78 1.50 1.35 1.00a2.35 0.10 0.22 2.35g
19980.57 0.92 1.80 0.65 0.95 1.95 1.20 1.85 0.55 0.75 1.15 0.18 1.95
19990.55 0.70 0.38 1.98 0.85 0.95 1.60 1.00 0.50 0.70 1.75 0.24 1.98
20000.30 0.42 0.28 1.50 3.05 1.95 1.40 1.20 0.70 0.32 0.55 0.45 3.05
20010.57 0.64 0.48 2.00 1.90 1.40 0.80 3.25 2.50 0.52 0.47 0.45 3.25
20020.15 0.65 0.98 1.15 0.45 2.00 1.50 0.90 1.30 1.00 0.12 0.30 2.00
20030.42 0.24 0.40 1.00 0.80 0.48 1.10 1.40 0.95 0.55 1.65 0.32 1.65
20040.25 0.45 0.95 0.55 2.15 1.90 0.85 1.25 0.35 0.85 0.60 0.28 2.15
20050.65 0.38 0.32 0.45 0.45 2.00 2.00 0.90 0.98 0.40 0.72 0.38a2.00a
20060.45 0.45 0.68 1.30 1.10 0.68 1.10 1.35 1.65a0.45 0.80 0.32 1.65a
20070.50 1.05a0.60 0.62 0.75 0.72 1.90 5.40 0.70a1.60 0.16 1.25 5.40b
20080.37 0.62 0.30 1.35 1.00 6.10 2.42 -----z-----z-----z0.05r0.56 -----z
20090.36 0.28a0.66 1.24 0.85 1.36 1.15 2.10a0.25 1.26 0.49 1.18 2.10b
20100.91 0.15 0.31 0.66 1.45 1.81 2.43 1.57 2.67 1.34 0.57 0.81 2.67
20110.19 0.87 1.28 0.76 1.33 2.94 1.33 0.51 0.60 1.04 0.73 0.71 2.94
20120.24 0.84 0.74 2.06 1.05 0.74 0.85a0.86 0.39 1.89 1.16 0.49 2.06a
20130.33 0.57 0.48 2.30 1.14 1.48 0.98 0.32 1.14 1.77 1.42 0.16 2.30
20140.19 0.45 1.02 1.78 1.98 2.06 0.73a0.99 0.73b1.18 0.29 0.51 2.06c
20150.15 0.28 0.45 1.42 1.21 2.18 1.01 1.16 2.64 1.74 0.89 2.52 2.64
20160.37 0.85 1.44 0.39 1.13a1.74 1.47 2.91 3.41 1.91 0.64 0.83 3.41a
20170.57 0.62 0.62 1.21 1.75b1.48 5.44 0.63 1.28 1.77 0.16 0.20 5.44b
20180.42 0.36 0.42 2.76b2.26a0.88 0.39 9.66 1.74 1.01 1.46 1.16b9.66e
20190.66 0.99a0.69 1.51a1.96 1.20 3.49 1.83 3.74 2.12 1.06a1.14 3.74c
20200.29 0.66 1.00a0.91 1.87 2.03 2.15 3.12 1.60 2.01 1.21 0.30 3.12a
20210.30b0.44b0.66a0.36c1.48a2.18 2.39a3.07a0.64a0.22 0.76 0.63e3.07q
20220.15f0.09 0.92 0.49a1.56 1.15e1.39d1.35b0.75 0.61a2.91c1.66u-----z
20230.72l1.26h1.60a1.26k0.45g0.26a0.81c0.91a1.89a1.60 0.12 0.61 -----z
20240.77h0.21 0.33b0.90p-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN0.38 0.47 0.77 1.22 1.35 1.61 1.63 1.80 1.39 1.10 0.88 0.56 2.84
S.D.0.23 0.28 0.41 0.67 0.73 1.14 1.06 1.55 0.91 0.56 0.63 0.46 1.04
SKEW0.76 0.24 0.65 1.07 1.54 2.37 2.57 3.16 0.95 0.32 1.34 2.17 1.26
MAX0.95 1.05 1.80 3.00 4.10 6.10 6.00 9.66 3.74 2.35 2.91 2.52 5.70
MIN0.03 0.02 0.25 0.36 0.45 0.26 0.39 0.32 0.25 0.22 0.10 0.12 1.65
YRS45 45 47 46 45 47 47 47 44 45 45 46 37