National Rankings

National Data Info
Please note, Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

May 1926 Precipitation Rankings

View Period (Months):
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2025)
Driest/Wettest
Since
Record
May 1926
1-Month
2.20in
(55.88mm)
2.91in
(73.91mm)
-0.71in6th Driest
Driest since:
1934
125th Wettest
Wettest since:
2019
Apr–May 1926
2-Month
4.38in
(111.25mm)
5.42in
(137.67mm)
-1.04in7th Driest
Driest since:
1934
124th Wettest
Wettest since:
1957
Mar–May 1926
3-Month
6.69in
(169.93mm)
7.93in
(201.42mm)
-1.24in11th Driest
Driest since:
1925
120th Wettest
Wettest since:
1957, 1991
Feb–May 1926
4-Month
8.74in
(222.00mm)
10.07in
(255.78mm)
-1.33in12th Driest
Driest since:
1925
119th Wettest
Wettest since:
2019
Jan–May 1926
5-Month
11.10in
(281.94mm)
12.38in
(314.45mm)
-1.28in14th Driest
Driest since:
1934
117th Wettest
Wettest since:
2019
Ties: 1911
Dec 1925–May 1926
6-Month
12.76in
(324.10mm)
14.72in
(373.89mm)
-1.96in8th Driest
Driest since:
1931
122nd Wettest
Wettest since:
2019
Nov 1925–May 1926
7-Month
14.92in
(378.97mm)
16.95in
(430.53mm)
-2.03in11th Driest
Driest since:
1934
119th Wettest
Wettest since:
1983
Oct 1925–May 1926
8-Month
17.91in
(454.91mm)
19.12in
(485.65mm)
-1.21in28th Driest
Driest since:
1934
102nd Wettest
Wettest since:
2019
Sep 1925–May 1926
9-Month
20.79in
(528.07mm)
21.61in
(548.89mm)
-0.82in40th Driest
Driest since:
1934
90th Wettest
Wettest since:
2019
Aug 1925–May 1926
10-Month
22.85in
(580.39mm)
24.23in
(615.44mm)
-1.38in29th Driest
Driest since:
1918
101st Wettest
Wettest since:
2019
Jul 1925–May 1926
11-Month
25.50in
(647.70mm)
27.02in
(686.31mm)
-1.52in29th Driest
Driest since:
1931
101st Wettest
Wettest since:
2019
Jun 1925–May 1926
12-Month
28.41in
(721.61mm)
29.94in
(760.48mm)
-1.53in32nd Driest
Driest since:
1934
98th Wettest
Wettest since:
2019
Dec 1924–May 1926
18-Month
40.68in
(1,033.27mm)
44.67in-3.99in10th Driest
Driest since:
1931
119th Wettest
Wettest since:
2019
Jun 1924–May 1926
24-Month
53.85in
(1,367.79mm)
59.89in-6.04in5th Driest
Driest since:
1931
124th Wettest
Wettest since:
2020
Jun 1923–May 1926
36-Month
83.57in
(2,122.68mm)
89.83in-6.26in8th Driest
Driest since:
1955
120th Wettest
Wettest since:
2019
Jun 1922–May 1926
48-Month
112.01in
(2,845.05mm)
119.71in-7.70in6th DriestDriest to Date1956
121st Wettest
Wettest since:
2019
Jun 1921–May 1926
60-Month
143.14in
(3,635.76mm)
149.56in-6.42in12th DriestDriest to Date1957
114th Wettest
Wettest since:
2020

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