Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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, May 1934

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1934
1-Month
0.61"
(15.49mm)
0.92"
(23.37mm)
-0.31"
(-7.88mm)
45th Driest
Driest since:
1924
84th Wettest
Wettest since:
1998
Ties: 1916, 1918, 1959
Apr–May 1934
2-Month
1.13"
(28.70mm)
2.26"
(57.40mm)
-1.13"
(-28.70mm)
14th Driest
Driest since:
1909
115th Wettest
Wettest since:
1896
Mar–May 1934
3-Month
1.90"
(48.26mm)
4.59"
(116.59mm)
-2.69"
(-68.33mm)
5th Driest
Driest since:
2008
124th Wettest
Wettest since:
1995
Feb–May 1934
4-Month
4.17"
(105.92mm)
7.31"
(185.67mm)
-3.14"
(-79.75mm)
13th Driest
Driest since:
1997
116th Wettest
Wettest since:
1998
Jan–May 1934
5-Month
5.54"
(140.72mm)
10.29"
(261.37mm)
-4.75"
(-120.65mm)
11th Driest
Driest since:
2022
118th Wettest
Wettest since:
1998
Dec 1933–May 1934
6-Month
9.15"
(232.41mm)
12.84"
(326.14mm)
-3.69"
(-93.73mm)
23rd Driest
Driest since:
1924
105th Wettest
Wettest since:
1995
Nov 1933–May 1934
7-Month
9.33"
(236.98mm)
14.71"
(373.63mm)
-5.38"
(-136.65mm)
9th Driest
Driest since:
1977
119th Wettest
Wettest since:
1995
Oct 1933–May 1934
8-Month
10.38"
(263.65mm)
15.74"
(399.80mm)
-5.36"
(-136.15mm)
10th Driest
Driest since:
1977
118th Wettest
Wettest since:
1983
Sep 1933–May 1934
9-Month
10.54"
(267.72mm)
16.23"
(412.24mm)
-5.69"
(-144.52mm)
9th Driest
Driest since:
2021
119th Wettest
Wettest since:
1983
Aug 1933–May 1934
10-Month
10.72"
(272.29mm)
16.62"
(422.15mm)
-5.90"
(-149.86mm)
8th Driest
Driest since:
2021
120th Wettest
Wettest since:
1983
Jul 1933–May 1934
11-Month
10.94"
(277.88mm)
16.95"
(430.53mm)
-6.01"
(-152.65mm)
8th Driest
Driest since:
2021
120th Wettest
Wettest since:
1983
Jun 1933–May 1934
12-Month
11.09"
(281.69mm)
17.44"
(442.98mm)
-6.35"
(-161.29mm)
7th Driest
Driest since:
2021
121st Wettest
Wettest since:
1983
Dec 1932–May 1934
18-Month
21.51"
(546.35mm)
30.25"
(768.35mm)
-8.74"
(-222.00mm)
8th Driest
Driest since:
1977
119th Wettest
Wettest since:
1983
Jun 1932–May 1934
24-Month
23.81"
(604.77mm)
34.89"
(886.21mm)
-11.08"
(-281.44mm)
4th Driest
Driest since:
2022
123rd Wettest
Wettest since:
1983
Jun 1931–May 1934
36-Month
42.65"
(1,083.31mm)
52.30"
(1,328.42mm)
-9.65"
(-245.11mm)
16th Driest
Driest since:
2022
110th Wettest
Wettest since:
1984
Jun 1930–May 1934
48-Month
53.61"
(1,361.69mm)
69.56"
(1,766.82mm)
-15.95"
(-405.13mm)
3rd Driest
Driest since:
2015
122nd Wettest
Wettest since:
1998
Jun 1929–May 1934
60-Month
68.69"
(1,744.73mm)
86.83"
(2,205.48mm)
-18.14"
(-460.75mm)
2nd Driest
Driest since:
1933
122nd Wettest
Wettest since:
1999

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