Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

West Climate Region

Precipitation Rankings, April 1983

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
April 1983
1-Month		2.44"
(61.98mm)		1.33"
(33.78mm)		1.11"
(28.20mm)		113th Driest
Driest since:
1909
16th Wettest
Wettest since:
1935
Mar–Apr 1983
2-Month		8.79"
(223.27mm)		3.67"
(93.22mm)		5.12"
(130.05mm)		128th Driest
Driest since:
2008
1st Wettest
Wettest to Date
1983
Feb–Apr 1983
3-Month		13.33"
(338.58mm)		6.39"
(162.31mm)		6.94"
(176.27mm)		128th Driest
Driest since:
1997
1st Wettest
Wettest to Date
1983
Jan–Apr 1983
4-Month		17.48"
(443.99mm)		9.37"
(238.00mm)		8.11"
(205.99mm)		126th Driest
Driest since:
2022
3rd Wettest
Wettest to Date
1995
Dec 1982–Apr 1983
5-Month		20.80"
(528.32mm)		11.92"
(302.77mm)		8.88"
(225.55mm)		126th Driest
Driest since:
1977
2nd Wettest
Wettest since:
1978
Nov 1982–Apr 1983
6-Month		24.37"
(619.00mm)		13.79"
(350.27mm)		10.58"
(268.73mm)		127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1983
Oct 1982–Apr 1983
7-Month		26.45"
(671.83mm)		14.82"
(376.43mm)		11.63"
(295.40mm)		127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1983
Sep 1982–Apr 1983
8-Month		28.09"
(713.49mm)		15.31"
(388.87mm)		12.78"
(324.62mm)		127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1983
Aug 1982–Apr 1983
9-Month		28.63"
(727.20mm)		15.70"
(398.78mm)		12.93"
(328.42mm)		127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1983
Jul 1982–Apr 1983
10-Month		29.16"
(740.66mm)		16.03"
(407.16mm)		13.13"
(333.50mm)		127th Driest
Driest since:
2021
1st Wettest
Wettest to Date
1983
Jun 1982–Apr 1983
11-Month		29.94"
(760.48mm)		16.52"
(419.61mm)		13.42"
(340.87mm)		127th Driest
Driest since:
2021
1st Wettest
Wettest to Date
1983
May 1982–Apr 1983
12-Month		30.38"
(771.65mm)		17.44"
(442.98mm)		12.94"
(328.67mm)		127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1983
Nov 1981–Apr 1983
18-Month		49.20"
(1,249.68mm)		31.22"
(792.99mm)		17.98"
(456.69mm)		126th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1983
May 1981–Apr 1983
24-Month		53.42"
(1,356.87mm)		34.90"
(886.46mm)		18.52"
(470.41mm)		126th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1983
May 1980–Apr 1983
36-Month		67.62"
(1,717.55mm)		52.30"
(1,328.42mm)		15.32"
(389.13mm)		124th Driest
Driest since:
2022
2nd Wettest
Wettest to Date
1984
May 1979–Apr 1983
48-Month		89.36"
(2,269.74mm)		69.56"
(1,766.82mm)		19.80"
(502.92mm)		123rd Driest
Driest since:
2015
2nd Wettest
Wettest to Date
1998
May 1978–Apr 1983
60-Month		105.49"
(2,679.45mm)		86.83"
(2,205.48mm)		18.66"
(473.97mm)		120th Driest
Driest since:
1933
4th Wettest
Wettest to Date
1999

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