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 1912

View Period (Months):
Download: csv json xml
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1912
1-Month
1.11"
(28.19mm)
0.92"
(23.37mm)
0.19"
(4.82mm)
89th Driest
Driest since:
1924
40th Wettest
Wettest since:
1998
Ties: 1993
Apr–May 1912
2-Month
3.27"
(83.06mm)
2.26"
(57.40mm)
1.01"
(25.66mm)
105th Driest
Driest since:
1909
24th Wettest
Wettest since:
1896
Mar–May 1912
3-Month
6.55"
(166.37mm)
4.59"
(116.59mm)
1.96"
(49.78mm)
109th Driest
Driest since:
2008
20th Wettest
Wettest since:
1995
Feb–May 1912
4-Month
7.15"
(181.61mm)
7.31"
(185.67mm)
-0.16"
(-4.06mm)
71st Driest
Driest since:
1997
58th Wettest
Wettest since:
1998
Jan–May 1912
5-Month
8.94"
(227.08mm)
10.29"
(261.37mm)
-1.35"
(-34.29mm)
52nd Driest
Driest since:
2022
77th Wettest
Wettest since:
1998
Dec 1911–May 1912
6-Month
10.31"
(261.87mm)
12.84"
(326.14mm)
-2.53"
(-64.27mm)
37th Driest
Driest since:
1924
91st Wettest
Wettest since:
1995
Nov 1911–May 1912
7-Month
10.88"
(276.35mm)
14.71"
(373.63mm)
-3.83"
(-97.28mm)
23rd Driest
Driest since:
1977
105th Wettest
Wettest since:
1995
Oct 1911–May 1912
8-Month
11.34"
(288.04mm)
15.74"
(399.80mm)
-4.40"
(-111.76mm)
17th Driest
Driest since:
1977
111th Wettest
Wettest since:
1983
Sep 1911–May 1912
9-Month
11.82"
(300.23mm)
16.23"
(412.24mm)
-4.41"
(-112.01mm)
17th Driest
Driest since:
2021
111th Wettest
Wettest since:
1983
Aug 1911–May 1912
10-Month
11.84"
(300.74mm)
16.62"
(422.15mm)
-4.78"
(-121.41mm)
15th Driest
Driest since:
2021
113th Wettest
Wettest since:
1983
Jul 1911–May 1912
11-Month
12.21"
(310.13mm)
16.95"
(430.53mm)
-4.74"
(-120.40mm)
15th Driest
Driest since:
2021
113th Wettest
Wettest since:
1983
Jun 1911–May 1912
12-Month
12.65"
(321.31mm)
17.44"
(442.98mm)
-4.79"
(-121.67mm)
13th Driest
Driest since:
2021
115th Wettest
Wettest since:
1983
Dec 1910–May 1912
18-Month
28.82"
(732.03mm)
30.25"
(768.35mm)
-1.43"
(-36.32mm)
55th Driest
Driest since:
1977
72nd Wettest
Wettest since:
1983
Jun 1910–May 1912
24-Month
32.59"
(827.79mm)
34.89"
(886.21mm)
-2.30"
(-58.42mm)
48th Driest
Driest since:
2022
79th Wettest
Wettest since:
1983
Jun 1909–May 1912
36-Month
49.75"
(1,263.65mm)
52.30"
(1,328.42mm)
-2.55"
(-64.77mm)
54th Driest
Driest since:
2022
72nd Wettest
Wettest since:
1984
Jun 1908–May 1912
48-Month
70.52"
(1,791.21mm)
69.56"
(1,766.82mm)
0.96"
(24.39mm)
78th Driest
Driest since:
2015
47th Wettest
Wettest since:
1998
Jun 1907–May 1912
60-Month
86.18"
(2,188.97mm)
86.83"
(2,205.48mm)
-0.65"
(-16.51mm)
71st Driest
Driest since:
1933
53rd Wettest
Wettest since:
1999

Citing This Page