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 1929

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
April 1929
1-Month		1.42"
(36.07mm)		1.33"
(33.78mm)		0.09"
(2.29mm)		79th Driest
Driest since:
1909
50th Wettest
Wettest since:
1935
Mar–Apr 1929
2-Month		2.85"
(72.39mm)		3.67"
(93.22mm)		-0.82"
(-20.83mm)		50th Driest
Driest since:
2008
79th Wettest
Wettest since:
1983
Feb–Apr 1929
3-Month		4.21"
(106.93mm)		6.39"
(162.31mm)		-2.18"
(-55.38mm)		32nd Driest
Driest since:
1997
97th Wettest
Wettest since:
1983
Jan–Apr 1929
4-Month		5.50"
(139.70mm)		9.37"
(238.00mm)		-3.87"
(-98.30mm)		18th Driest
Driest since:
2022
111th Wettest
Wettest since:
1995
Dec 1928–Apr 1929
5-Month		7.70"
(195.58mm)		11.92"
(302.77mm)		-4.22"
(-107.19mm)		18th Driest
Driest since:
1977
110th Wettest
Wettest since:
1978
Nov 1928–Apr 1929
6-Month		9.62"
(244.35mm)		13.79"
(350.27mm)		-4.17"
(-105.92mm)		19th Driest
Driest since:
1977
109th Wettest
Wettest since:
1983
Oct 1928–Apr 1929
7-Month		10.11"
(256.79mm)		14.82"
(376.43mm)		-4.71"
(-119.64mm)		15th Driest
Driest since:
1977
113th Wettest
Wettest since:
1983
Sep 1928–Apr 1929
8-Month		10.19"
(258.83mm)		15.31"
(388.87mm)		-5.12"
(-130.04mm)		12th Driest
Driest since:
1977
116th Wettest
Wettest since:
1983
Aug 1928–Apr 1929
9-Month		10.25"
(260.35mm)		15.70"
(398.78mm)		-5.45"
(-138.43mm)		8th Driest
Driest since:
1977
120th Wettest
Wettest since:
1983
Jul 1928–Apr 1929
10-Month		10.36"
(263.14mm)		16.03"
(407.16mm)		-5.67"
(-144.02mm)		7th Driest
Driest since:
2021
121st Wettest
Wettest since:
1983
Jun 1928–Apr 1929
11-Month		10.63"
(270.00mm)		16.52"
(419.61mm)		-5.89"
(-149.61mm)		7th Driest
Driest since:
2021
121st Wettest
Wettest since:
1983
May 1928–Apr 1929
12-Month		11.13"
(282.70mm)		17.44"
(442.98mm)		-6.31"
(-160.28mm)		4th Driest
Driest since:
1977
124th Wettest
Wettest since:
1983
Ties: 1924
Nov 1927–Apr 1929
18-Month		22.93"
(582.42mm)		31.22"
(792.99mm)		-8.29"
(-210.57mm)		12th Driest
Driest since:
1977
115th Wettest
Wettest since:
1983
May 1927–Apr 1929
24-Month		26.53"
(673.86mm)		34.90"
(886.46mm)		-8.37"
(-212.60mm)		16th Driest
Driest since:
1977
111th Wettest
Wettest since:
1983
May 1926–Apr 1929
36-Month		46.29"
(1,175.77mm)		52.30"
(1,328.42mm)		-6.01"
(-152.65mm)		36th Driest
Driest since:
2022
90th Wettest
Wettest since:
1984
May 1925–Apr 1929
48-Month		63.02"
(1,600.71mm)		69.56"
(1,766.82mm)		-6.54"
(-166.11mm)		34th Driest
Driest since:
2015
91st Wettest
Wettest since:
1998
May 1924–Apr 1929
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: 1928

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