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 1928

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
April 1928
1-Month		1.10"
(27.94mm)		1.33"
(33.78mm)		-0.23"
(-5.84mm)		55th Driest
Driest since:
1909
74th Wettest
Wettest since:
1935
Ties: 1931
Mar–Apr 1928
2-Month		4.38"
(111.25mm)		3.67"
(93.22mm)		0.71"
(18.03mm)		92nd Driest
Driest since:
2008
37th Wettest
Wettest since:
1983
Feb–Apr 1928
3-Month		5.91"
(150.11mm)		6.39"
(162.31mm)		-0.48"
(-12.20mm)		63rd Driest
Driest since:
1997
66th Wettest
Wettest since:
1983
Jan–Apr 1928
4-Month		7.14"
(181.36mm)		9.37"
(238.00mm)		-2.23"
(-56.64mm)		41st Driest
Driest since:
2022
88th Wettest
Wettest since:
1995
Dec 1927–Apr 1928
5-Month		9.19"
(233.43mm)		11.92"
(302.77mm)		-2.73"
(-69.34mm)		35th Driest
Driest since:
1977
93rd Wettest
Wettest since:
1978
Nov 1927–Apr 1928
6-Month		11.80"
(299.72mm)		13.79"
(350.27mm)		-1.99"
(-50.55mm)		53rd Driest
Driest since:
1977
75th Wettest
Wettest since:
1983
Oct 1927–Apr 1928
7-Month		13.51"
(343.15mm)		14.82"
(376.43mm)		-1.31"
(-33.28mm)		59th Driest
Driest since:
1977
69th Wettest
Wettest since:
1983
Sep 1927–Apr 1928
8-Month		13.82"
(351.03mm)		15.31"
(388.87mm)		-1.49"
(-37.84mm)		58th Driest
Driest since:
1977
70th Wettest
Wettest since:
1983
Aug 1927–Apr 1928
9-Month		14.07"
(357.38mm)		15.70"
(398.78mm)		-1.63"
(-41.40mm)		57th Driest
Driest since:
1977
71st Wettest
Wettest since:
1983
Jul 1927–Apr 1928
10-Month		14.36"
(364.74mm)		16.03"
(407.16mm)		-1.67"
(-42.42mm)		55th Driest
Driest since:
2021
73rd Wettest
Wettest since:
1983
Jun 1927–Apr 1928
11-Month		14.74"
(374.40mm)		16.52"
(419.61mm)		-1.78"
(-45.21mm)		54th Driest
Driest since:
2021
74th Wettest
Wettest since:
1983
May 1927–Apr 1928
12-Month		15.40"
(391.16mm)		17.44"
(442.98mm)		-2.04"
(-51.82mm)		52nd Driest
Driest since:
1977
76th Wettest
Wettest since:
1983
Nov 1926–Apr 1928
18-Month		32.83"
(833.88mm)		31.22"
(792.99mm)		1.61"
(40.89mm)		86th Driest
Driest since:
1977
41st Wettest
Wettest since:
1983
Ties: 1968
May 1926–Apr 1928
24-Month		35.16"
(893.06mm)		34.90"
(886.46mm)		0.26"
(6.60mm)		73rd Driest
Driest since:
1977
54th Wettest
Wettest since:
1983
May 1925–Apr 1928
36-Month		51.89"
(1,318.01mm)		52.30"
(1,328.42mm)		-0.41"
(-10.41mm)		68th Driest
Driest since:
2022
58th Wettest
Wettest since:
1984
May 1924–Apr 1928
48-Month		67.48"
(1,713.99mm)		69.56"
(1,766.82mm)		-2.08"
(-52.83mm)		59th Driest
Driest since:
2015
66th Wettest
Wettest since:
1998
May 1923–Apr 1928
60-Month		78.61"
(1,996.69mm)		86.83"
(2,205.48mm)		-8.22"
(-208.79mm)		30th Driest
Driest since:
1933
94th Wettest
Wettest since:
1999
Ties: 1929

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