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, May 2014

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
May 2014
1-Month 		0.54"
(13.72mm)		 0.92"
(23.37mm)		 -0.38"
(-9.65mm)		 38th Driest
Driest since:
 1924
91st Wettest
Wettest since:
 1998
Ties: 1973, 1983
Apr–May 2014
2-Month 		1.44"
(36.58mm)		 2.26"
(57.40mm)		 -0.82"
(-20.82mm)		 27th Driest
Driest since:
 1909
102nd Wettest
Wettest since:
 1896
Ties: 1974
Mar–May 2014
3-Month 		3.79"
(96.27mm)		 4.59"
(116.59mm)		 -0.80"
(-20.32mm)		 52nd Driest
Driest since:
 2008
77th Wettest
Wettest since:
 1995
Feb–May 2014
4-Month 		6.65"
(168.91mm)		 7.31"
(185.67mm)		 -0.66"
(-16.76mm)		 62nd Driest
Driest since:
 1997
67th Wettest
Wettest since:
 1998
Jan–May 2014
5-Month 		7.18"
(182.37mm)		 10.29"
(261.37mm)		 -3.11"
(-79.00mm)		 27th Driest
Driest since:
 2022
102nd Wettest
Wettest since:
 1998
Dec 2013–May 2014
6-Month 		7.70"
(195.58mm)		 12.84"
(326.14mm)		 -5.14"
(-130.56mm)		 10th Driest
Driest since:
 1924
118th Wettest
Wettest since:
 1995
Nov 2013–May 2014
7-Month 		8.58"
(217.93mm)		 14.71"
(373.63mm)		 -6.13"
(-155.70mm)		 6th Driest
Driest since:
 1977
122nd Wettest
Wettest since:
 1995
Oct 2013–May 2014
8-Month 		8.97"
(227.84mm)		 15.74"
(399.80mm)		 -6.77"
(-171.96mm)		 4th Driest
Driest since:
 1977
124th Wettest
Wettest since:
 1983
Sep 2013–May 2014
9-Month 		10.00"
(254.00mm)		 16.23"
(412.24mm)		 -6.23"
(-158.24mm)		 5th Driest
Driest since:
 2021
123rd Wettest
Wettest since:
 1983
Aug 2013–May 2014
10-Month 		10.44"
(265.18mm)		 16.62"
(422.15mm)		 -6.18"
(-156.97mm)		 6th Driest
Driest since:
 2021
122nd Wettest
Wettest since:
 1983
Jul 2013–May 2014
11-Month 		10.92"
(277.37mm)		 16.95"
(430.53mm)		 -6.03"
(-153.16mm)		 7th Driest
Driest since:
 2021
121st Wettest
Wettest since:
 1983
Jun 2013–May 2014
12-Month 		11.19"
(284.23mm)		 17.44"
(442.98mm)		 -6.25"
(-158.75mm)		 8th Driest
Driest since:
 2021
120th Wettest
Wettest since:
 1983
Dec 2012–May 2014
18-Month 		19.27"
(489.46mm)		 30.25"
(768.35mm)		 -10.98"
(-278.89mm)		 3rd Driest
Driest since:
 1977
124th Wettest
Wettest since:
 1983
Jun 2012–May 2014
24-Month 		24.03"
(610.36mm)		 34.89"
(886.21mm)		 -10.86"
(-275.85mm)		 5th Driest
Driest since:
 2022
122nd Wettest
Wettest since:
 1983
Jun 2011–May 2014
36-Month 		36.75"
(933.45mm)		 52.30"
(1,328.42mm)		 -15.55"
(-394.97mm)		 2nd Driest
Driest to Date
 2022
124th Wettest
Wettest since:
 1984
Jun 2010–May 2014
48-Month 		58.41"
(1,483.61mm)		 69.56"
(1,766.82mm)		 -11.15"
(-283.21mm)		 15th Driest
Driest since:
 2015
110th Wettest
Wettest since:
 1998
Jun 2009–May 2014
60-Month 		76.87"
(1,952.50mm)		 86.83"
(2,205.48mm)		 -9.96"
(-252.98mm)		 20th Driest
Driest since:
 1933
104th Wettest
Wettest since:
 1999

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