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 2013

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 2013
1-Month
0.65"
(16.51mm)
0.92"
(23.37mm)
-0.27"
(-6.86mm)
51st Driest
Driest since:
1924
78th Wettest
Wettest since:
1998
Ties: 2006
Apr–May 2013
2-Month
1.28"
(32.51mm)
2.26"
(57.40mm)
-0.98"
(-24.89mm)
20th Driest
Driest since:
1909
109th Wettest
Wettest since:
1896
Mar–May 2013
3-Month
2.24"
(56.90mm)
4.59"
(116.59mm)
-2.35"
(-59.69mm)
10th Driest
Driest since:
2008
119th Wettest
Wettest since:
1995
Feb–May 2013
4-Month
2.74"
(69.60mm)
7.31"
(185.67mm)
-4.57"
(-116.07mm)
3rd Driest
Driest since:
1997
126th Wettest
Wettest since:
1998
Jan–May 2013
5-Month
3.72"
(94.49mm)
10.29"
(261.37mm)
-6.57"
(-166.88mm)
2nd Driest
Driest since:
2022
127th Wettest
Wettest since:
1998
Dec 2012–May 2013
6-Month
8.08"
(205.23mm)
12.84"
(326.14mm)
-4.76"
(-120.91mm)
14th Driest
Driest since:
1924
114th Wettest
Wettest since:
1995
Nov 2012–May 2013
7-Month
10.37"
(263.40mm)
14.71"
(373.63mm)
-4.34"
(-110.23mm)
20th Driest
Driest since:
1977
108th Wettest
Wettest since:
1995
Ties: 1987
Oct 2012–May 2013
8-Month
11.23"
(285.24mm)
15.74"
(399.80mm)
-4.51"
(-114.56mm)
16th Driest
Driest since:
1977
112th Wettest
Wettest since:
1983
Sep 2012–May 2013
9-Month
11.51"
(292.35mm)
16.23"
(412.24mm)
-4.72"
(-119.89mm)
13th Driest
Driest since:
2021
115th Wettest
Wettest since:
1983
Ties: 1994
Aug 2012–May 2013
10-Month
12.10"
(307.34mm)
16.62"
(422.15mm)
-4.52"
(-114.81mm)
18th Driest
Driest since:
2021
110th Wettest
Wettest since:
1983
Jul 2012–May 2013
11-Month
12.61"
(320.29mm)
16.95"
(430.53mm)
-4.34"
(-110.24mm)
20th Driest
Driest since:
2021
108th Wettest
Wettest since:
1983
Jun 2012–May 2013
12-Month
12.84"
(326.14mm)
17.44"
(442.98mm)
-4.60"
(-116.84mm)
17th Driest
Driest since:
2021
111th Wettest
Wettest since:
1983
Dec 2011–May 2013
18-Month
21.49"
(545.85mm)
30.25"
(768.35mm)
-8.76"
(-222.50mm)
7th Driest
Driest since:
1977
120th Wettest
Wettest since:
1983
Jun 2011–May 2013
24-Month
25.56"
(649.22mm)
34.89"
(886.21mm)
-9.33"
(-236.99mm)
8th Driest
Driest since:
2022
119th Wettest
Wettest since:
1983
Jun 2010–May 2013
36-Month
47.22"
(1,199.39mm)
52.30"
(1,328.42mm)
-5.08"
(-129.03mm)
40th Driest
Driest since:
2022
86th Wettest
Wettest since:
1984
Jun 2009–May 2013
48-Month
65.68"
(1,668.27mm)
69.56"
(1,766.82mm)
-3.88"
(-98.55mm)
52nd Driest
Driest since:
2015
73rd Wettest
Wettest since:
1998
Jun 2008–May 2013
60-Month
78.59"
(1,996.19mm)
86.83"
(2,205.48mm)
-8.24"
(-209.29mm)
32nd Driest
Driest since:
1933
92nd Wettest
Wettest since:
1999

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