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, April 1998

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
April 1998
1-Month
1.77"
(44.96mm)
1.33"
(33.78mm)
0.44"
(11.18mm)
102nd Driest
Driest since:
1909
27th Wettest
Wettest since:
1935
Ties: 1999
Mar–Apr 1998
2-Month
4.92"
(124.97mm)
3.67"
(93.22mm)
1.25"
(31.75mm)
103rd Driest
Driest since:
2008
26th Wettest
Wettest since:
1983
Feb–Apr 1998
3-Month
12.90"
(327.66mm)
6.39"
(162.31mm)
6.51"
(165.35mm)
126th Driest
Driest since:
1997
3rd Wettest
Wettest since:
1983
Jan–Apr 1998
4-Month
17.53"
(445.26mm)
9.37"
(238.00mm)
8.16"
(207.26mm)
127th Driest
Driest since:
2022
2nd Wettest
Wettest since:
1995
Dec 1997–Apr 1998
5-Month
19.49"
(495.05mm)
11.92"
(302.77mm)
7.57"
(192.28mm)
121st Driest
Driest since:
1977
7th Wettest
Wettest since:
1978
Nov 1997–Apr 1998
6-Month
22.17"
(563.12mm)
13.79"
(350.27mm)
8.38"
(212.85mm)
124th Driest
Driest since:
1977
4th Wettest
Wettest since:
1983
Oct 1997–Apr 1998
7-Month
23.00"
(584.20mm)
14.82"
(376.43mm)
8.18"
(207.77mm)
123rd Driest
Driest since:
1977
5th Wettest
Wettest since:
1983
Sep 1997–Apr 1998
8-Month
24.09"
(611.89mm)
15.31"
(388.87mm)
8.78"
(223.02mm)
124th Driest
Driest since:
1977
4th Wettest
Wettest since:
1983
Aug 1997–Apr 1998
9-Month
24.40"
(619.76mm)
15.70"
(398.78mm)
8.70"
(220.98mm)
124th Driest
Driest since:
1977
4th Wettest
Wettest since:
1983
Jul 1997–Apr 1998
10-Month
24.85"
(631.19mm)
16.03"
(407.16mm)
8.82"
(224.03mm)
125th Driest
Driest since:
2021
3rd Wettest
Wettest since:
1983
Jun 1997–Apr 1998
11-Month
25.95"
(659.13mm)
16.52"
(419.61mm)
9.43"
(239.52mm)
126th Driest
Driest since:
2021
2nd Wettest
Wettest since:
1983
May 1997–Apr 1998
12-Month
26.33"
(668.78mm)
17.44"
(442.98mm)
8.89"
(225.80mm)
125th Driest
Driest since:
1977
3rd Wettest
Wettest since:
1983
Nov 1996–Apr 1998
18-Month
42.53"
(1,080.26mm)
31.22"
(792.99mm)
11.31"
(287.27mm)
121st Driest
Driest since:
1977
6th Wettest
Wettest since:
1983
May 1996–Apr 1998
24-Month
46.59"
(1,183.39mm)
34.90"
(886.46mm)
11.69"
(296.93mm)
124th Driest
Driest since:
1977
3rd Wettest
Wettest since:
1983
May 1995–Apr 1998
36-Month
66.19"
(1,681.23mm)
52.30"
(1,328.42mm)
13.89"
(352.81mm)
121st Driest
Driest since:
2022
5th Wettest
Wettest since:
1984
May 1994–Apr 1998
48-Month
92.05"
(2,338.07mm)
69.56"
(1,766.82mm)
22.49"
(571.25mm)
124th Driest
Driest since:
2015
1st Wettest
Wettest to Date
1998
May 1993–Apr 1998
60-Month
104.84"
(2,662.94mm)
86.83"
(2,205.48mm)
18.01"
(457.46mm)
119th Driest
Driest since:
1933
5th Wettest
Wettest since:
1999

Citing This Page