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 1908 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 1908
1-Month
4.12in
(104.65mm)
2.91in
(73.91mm)
1.21in127th Driest
Driest since:
1934
4th WettestWettest to Date2019
Apr–May 1908
2-Month
6.81in
(172.97mm)
5.42in
(137.67mm)
1.39in123rd Driest
Driest since:
1934
8th WettestWettest to Date1957
Mar–May 1908
3-Month
8.99in
(228.35mm)
7.93in
(201.42mm)
1.06in109th Driest
Driest since:
1925
22nd Wettest
Wettest since:
1957, 1991
Feb–May 1908
4-Month
11.80in
(299.72mm)
10.07in
(255.78mm)
1.73in121st Driest
Driest since:
1925
10th Wettest
Wettest since:
2019
Jan–May 1908
5-Month
13.62in
(345.95mm)
12.38in
(314.45mm)
1.24in111th Driest
Driest since:
1934
20th Wettest
Wettest since:
2019
Dec 1907–May 1908
6-Month
16.31in
(414.27mm)
14.72in
(373.89mm)
1.59in113th Driest
Driest since:
1931
17th WettestWettest to Date2019
Nov 1907–May 1908
7-Month
18.56in
(471.42mm)
16.95in
(430.53mm)
1.61in109th Driest
Driest since:
1934
21st Wettest
Wettest since:
1983
Oct 1907–May 1908
8-Month
20.58in
(522.73mm)
19.12in
(485.65mm)
1.46in100th Driest
Driest since:
1934
30th Wettest
Wettest since:
2019
Sep 1907–May 1908
9-Month
23.09in
(586.49mm)
21.61in
(548.89mm)
1.48in101st Driest
Driest since:
1934
29th Wettest
Wettest since:
2019
Aug 1907–May 1908
10-Month
25.64in
(651.26mm)
24.23in
(615.44mm)
1.41in100th Driest
Driest since:
1918
30th Wettest
Wettest since:
2019
Jul 1907–May 1908
11-Month
28.64in
(727.46mm)
27.02in
(686.31mm)
1.62in102nd Driest
Driest since:
1931
28th Wettest
Wettest since:
2019
Jun 1907–May 1908
12-Month
31.76in
(806.70mm)
29.94in
(760.48mm)
1.82in97th Driest
Driest since:
1934
33rd Wettest
Wettest since:
2019
Dec 1906–May 1908
18-Month
47.42in
(1,204.47mm)
44.67in2.75in101st Driest
Driest since:
1931
28th Wettest
Wettest since:
2019
Jun 1906–May 1908
24-Month
64.62in
(1,641.35mm)
59.89in4.73in114th Driest
Driest since:
1931
15th WettestWettest to Date2020
Jun 1905–May 1908
36-Month
95.95in
(2,437.13mm)
89.83in6.12in113th Driest
Driest since:
1955
15th WettestWettest to Date2019
Jun 1904–May 1908
48-Month
125.84in
(3,196.34mm)
119.71in6.13in106th Driest
Driest since:
1956
21st WettestWettest to Date2019
Jun 1903–May 1908
60-Month
153.94in
(3,910.08mm)
149.56in4.38in92nd Driest
Driest since:
1957
34th Wettest
Wettest since:
2020

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