Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Wisconsin

Precipitation Rankings, May 2020

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
May 2020
1-Month		3.97"
(100.84mm)		3.54"
(89.92mm)		0.43"
(10.92mm)		78th Driest
Driest since:
1925
51st Wettest
Wettest since:
2004
Apr–May 2020
2-Month		6.24"
(158.50mm)		6.17"
(156.72mm)		0.07"
(1.78mm)		64th Driest
Driest since:
1931
65th Wettest
Wettest since:
1973
Mar–May 2020
3-Month		9.28"
(235.71mm)		7.97"
(202.44mm)		1.31"
(33.27mm)		93rd Driest
Driest since:
1925
36th Wettest
Wettest since:
1973
Feb–May 2020
4-Month		9.96"
(252.98mm)		9.00"
(228.60mm)		0.96"
(24.38mm)		87th Driest
Driest since:
1925
42nd Wettest
Wettest since:
1973
Jan–May 2020
5-Month		11.30"
(287.02mm)		10.15"
(257.81mm)		1.15"
(29.21mm)		88th Driest
Driest since:
1925
41st Wettest
Wettest since:
1973
Dec 2019–May 2020
6-Month		13.96"
(354.58mm)		11.41"
(289.81mm)		2.55"
(64.77mm)		110th Driest
Driest since:
1931
18th Wettest
Wettest since:
1973
Nov 2019–May 2020
7-Month		15.99"
(406.15mm)		13.40"
(340.36mm)		2.59"
(65.79mm)		111th Driest
Driest since:
1931
17th Wettest
Wettest since:
1973
Oct 2019–May 2020
8-Month		20.87"
(530.10mm)		15.83"
(402.08mm)		5.04"
(128.02mm)		120th Driest
Driest since:
1925
8th Wettest
Wettest since:
2019
Sep 2019–May 2020
9-Month		27.90"
(708.66mm)		19.60"
(497.84mm)		8.30"
(210.82mm)		125th Driest
Driest since:
1925
3rd Wettest
Wettest since:
2019
Aug 2019–May 2020
10-Month		31.44"
(798.58mm)		23.39"
(594.11mm)		8.05"
(204.47mm)		123rd Driest
Driest since:
1931
5th Wettest
Wettest since:
2019
Jul 2019–May 2020
11-Month		36.77"
(933.96mm)		27.22"
(691.39mm)		9.55"
(242.57mm)		124th Driest
Driest since:
1931
4th Wettest
Wettest since:
1973
Jun 2019–May 2020
12-Month		40.68"
(1,033.27mm)		31.35"
(796.29mm)		9.33"
(236.98mm)		123rd Driest
Driest since:
1934
5th Wettest
Wettest since:
2019
Dec 2018–May 2020
18-Month		57.40"
(1,457.96mm)		42.74"
(1,085.60mm)		14.66"
(372.36mm)		125th Driest
Driest since:
1931
2nd Wettest
Wettest since:
2017
Jun 2018–May 2020
24-Month		84.73"
(2,152.14mm)		62.67"
(1,591.82mm)		22.06"
(560.32mm)		126th Driest
Driest since:
1931
1st Wettest
Wettest to Date
2020
Jun 2017–May 2020
36-Month		118.27"
(3,004.06mm)		93.95"
(2,386.33mm)		24.32"
(617.73mm)		124th Driest
Driest since:
1911
2nd Wettest
Wettest since:
2019
Jun 2016–May 2020
48-Month		161.69"
(4,106.93mm)		125.18"
(3,179.57mm)		36.51"
(927.36mm)		124th Driest
Driest since:
1934
1st Wettest
Wettest to Date
2020
Jun 2015–May 2020
60-Month		199.16"
(5,058.66mm)		156.40"
(3,972.56mm)		42.76"
(1,086.10mm)		123rd Driest
Driest since:
1934
1st Wettest
Wettest to Date
2020

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