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.

Southwest Climate Region

Precipitation Rankings, June 2021

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
June 2021
1-Month
0.90"
(22.86mm)
0.94"
(23.88mm)
-0.04"
(-1.02mm)
75th Driest
Driest since:
1924, 2012
54th Wettest
Wettest since:
1903
Ties: 1895
May–Jun 2021
2-Month
2.03"
(51.56mm)
2.05"
(52.07mm)
-0.02"
(-0.51mm)
77th Driest
Driest since:
2002
52nd Wettest
Wettest since:
2015
Ties: 1933
Apr–Jun 2021
3-Month
2.58"
(65.53mm)
3.11"
(78.99mm)
-0.53"
(-13.46mm)
42nd Driest
Driest since:
2002
87th Wettest
Wettest since:
1941
Mar–Jun 2021
4-Month
3.67"
(93.22mm)
4.26"
(108.20mm)
-0.59"
(-14.98mm)
44th Driest
Driest since:
2002
85th Wettest
Wettest since:
1941
Feb–Jun 2021
5-Month
4.30"
(109.22mm)
5.26"
(133.60mm)
-0.96"
(-24.38mm)
34th Driest
Driest since:
2002
95th Wettest
Wettest since:
1905
Jan–Jun 2021
6-Month
5.12"
(130.05mm)
6.25"
(158.75mm)
-1.13"
(-28.70mm)
36th Driest
Driest since:
2002
93rd Wettest
Wettest since:
1905
Dec 2020–Jun 2021
7-Month
5.68"
(144.27mm)
7.26"
(184.40mm)
-1.58"
(-40.13mm)
27th Driest
Driest since:
2002
101st Wettest
Wettest since:
1941
Ties: 1961
Nov 2020–Jun 2021
8-Month
6.18"
(156.97mm)
8.15"
(207.01mm)
-1.97"
(-50.04mm)
23rd Driest
Driest since:
2002
105th Wettest
Wettest since:
1941
Ties: 1989
Oct 2020–Jun 2021
9-Month
6.58"
(167.13mm)
9.28"
(235.71mm)
-2.70"
(-68.58mm)
15th Driest
Driest since:
2002
113th Wettest
Wettest since:
1941
Ties: 1996
Sep 2020–Jun 2021
10-Month
7.13"
(181.10mm)
10.65"
(270.51mm)
-3.52"
(-89.41mm)
6th Driest
Driest since:
2002
122nd Wettest
Wettest since:
1941
Aug 2020–Jun 2021
11-Month
7.72"
(196.09mm)
12.66"
(321.56mm)
-4.94"
(-125.47mm)
2nd Driest
Driest since:
2002
126th Wettest
Wettest since:
1941
Jul 2020–Jun 2021
12-Month
9.08"
(230.63mm)
14.53"
(369.06mm)
-5.45"
(-138.43mm)
2nd Driest
Driest since:
2002
126th Wettest
Wettest since:
1941
Jan 2020–Jun 2021
18-Month
13.72"
(348.49mm)
20.78"
(527.81mm)
-7.06"
(-179.32mm)
1st Driest
Driest since:
2021
127th Wettest
Wettest since:
1942
Jul 2019–Jun 2021
24-Month
21.12"
(536.45mm)
29.06"
(738.12mm)
-7.94"
(-201.67mm)
1st Driest
Driest since:
2021
126th Wettest
Wettest since:
1942
Jul 2018–Jun 2021
36-Month
38.18"
(969.77mm)
43.54"
(1,105.92mm)
-5.36"
(-136.15mm)
16th Driest
Driest since:
2022
110th Wettest
Wettest since:
1907
Jul 2017–Jun 2021
48-Month
49.47"
(1,256.54mm)
58.01"
(1,473.45mm)
-8.54"
(-216.91mm)
8th Driest
Driest since:
1956
117th Wettest
Wettest since:
1986
Jul 2016–Jun 2021
60-Month
64.59"
(1,640.59mm)
72.49"
(1,841.25mm)
-7.90"
(-200.66mm)
13th Driest
Driest since:
1957
111th Wettest
Wettest since:
1987

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