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 1983

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1983
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, 2014
Apr–May 1983
2-Month
2.98"
(75.69mm)
2.26"
(57.40mm)
0.72"
(18.29mm)
98th Driest
Driest since:
1909
31st Wettest
Wettest since:
1896
Mar–May 1983
3-Month
9.33"
(236.98mm)
4.59"
(116.59mm)
4.74"
(120.39mm)
127th Driest
Driest since:
2008
2nd Wettest
Wettest to Date
1995
Feb–May 1983
4-Month
13.87"
(352.30mm)
7.31"
(185.67mm)
6.56"
(166.63mm)
127th Driest
Driest since:
1997
2nd Wettest
Wettest to Date
1998
Jan–May 1983
5-Month
18.02"
(457.71mm)
10.29"
(261.37mm)
7.73"
(196.34mm)
126th Driest
Driest since:
2022
3rd Wettest
Wettest to Date
1998
Dec 1982–May 1983
6-Month
21.34"
(542.04mm)
12.84"
(326.14mm)
8.50"
(215.90mm)
123rd Driest
Driest since:
1924
5th Wettest
Wettest since:
1995
Nov 1982–May 1983
7-Month
24.91"
(632.71mm)
14.71"
(373.63mm)
10.20"
(259.08mm)
125th Driest
Driest since:
1977
3rd Wettest
Wettest to Date
1995
Oct 1982–May 1983
8-Month
26.99"
(685.55mm)
15.74"
(399.80mm)
11.25"
(285.75mm)
127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1983
Sep 1982–May 1983
9-Month
28.63"
(727.20mm)
16.23"
(412.24mm)
12.40"
(314.96mm)
127th Driest
Driest since:
2021
1st Wettest
Wettest to Date
1983
Aug 1982–May 1983
10-Month
29.17"
(740.92mm)
16.62"
(422.15mm)
12.55"
(318.77mm)
127th Driest
Driest since:
2021
1st Wettest
Wettest to Date
1983
Jul 1982–May 1983
11-Month
29.70"
(754.38mm)
16.95"
(430.53mm)
12.75"
(323.85mm)
127th Driest
Driest since:
2021
1st Wettest
Wettest to Date
1983
Jun 1982–May 1983
12-Month
30.48"
(774.19mm)
17.44"
(442.98mm)
13.04"
(331.21mm)
127th Driest
Driest since:
2021
1st Wettest
Wettest to Date
1983
Dec 1981–May 1983
18-Month
45.71"
(1,161.03mm)
30.25"
(768.35mm)
15.46"
(392.68mm)
126th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1983
Jun 1981–May 1983
24-Month
52.69"
(1,338.33mm)
34.89"
(886.21mm)
17.80"
(452.12mm)
126th Driest
Driest since:
2022
1st Wettest
Wettest to Date
1983
Jun 1980–May 1983
36-Month
66.68"
(1,693.67mm)
52.30"
(1,328.42mm)
14.38"
(365.25mm)
122nd Driest
Driest since:
2022
4th Wettest
Wettest since:
1984
Jun 1979–May 1983
48-Month
89.11"
(2,263.39mm)
69.56"
(1,766.82mm)
19.55"
(496.57mm)
123rd Driest
Driest since:
2015
2nd Wettest
Wettest to Date
1998
Jun 1978–May 1983
60-Month
105.65"
(2,683.51mm)
86.83"
(2,205.48mm)
18.82"
(478.03mm)
119th Driest
Driest since:
1933
5th Wettest
Wettest to Date
1999

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