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 1963 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 1963
1-Month
2.36in
(59.94mm)
2.91in
(73.91mm)
-0.55in17th Driest
Driest since:
1934
114th Wettest
Wettest since:
2019
Apr–May 1963
2-Month
4.66in
(118.36mm)
5.42in
(137.67mm)
-0.76in15th Driest
Driest since:
1934
116th Wettest
Wettest since:
1957
Mar–May 1963
3-Month
7.13in
(181.10mm)
7.93in
(201.42mm)
-0.80in22nd Driest
Driest since:
1925
109th Wettest
Wettest since:
1957, 1991
Feb–May 1963
4-Month
8.86in
(225.04mm)
10.07in
(255.78mm)
-1.21in15th Driest
Driest since:
1925
116th Wettest
Wettest since:
2019
Jan–May 1963
5-Month
10.43in
(264.92mm)
12.38in
(314.45mm)
-1.95in6th Driest
Driest since:
1934
125th Wettest
Wettest since:
2019
Dec 1962–May 1963
6-Month
12.00in
(304.80mm)
14.72in
(373.89mm)
-2.72in2nd Driest
Driest since:
1931
128th Wettest
Wettest since:
2019
Nov 1962–May 1963
7-Month
14.05in
(356.87mm)
16.95in
(430.53mm)
-2.90in6th Driest
Driest since:
1934
124th Wettest
Wettest since:
1983
Oct 1962–May 1963
8-Month
16.38in
(416.05mm)
19.12in
(485.65mm)
-2.74in7th Driest
Driest since:
1934
123rd Wettest
Wettest since:
2019
Sep 1962–May 1963
9-Month
19.16in
(486.66mm)
21.61in
(548.89mm)
-2.45in13th Driest
Driest since:
1934
117th Wettest
Wettest since:
2019
Aug 1962–May 1963
10-Month
21.20in
(538.48mm)
24.23in
(615.44mm)
-3.03in8th Driest
Driest since:
1918
122nd Wettest
Wettest since:
2019
Ties: 1940
Jul 1962–May 1963
11-Month
24.11in
(612.39mm)
27.02in
(686.31mm)
-2.91in12th Driest
Driest since:
1931
118th Wettest
Wettest since:
2019
Jun 1962–May 1963
12-Month
27.32in
(693.93mm)
29.94in
(760.48mm)
-2.62in13th Driest
Driest since:
1934
117th Wettest
Wettest since:
2019
Dec 1961–May 1963
18-Month
41.70in
(1,059.18mm)
44.67in-2.97in20th Driest
Driest since:
1931
109th Wettest
Wettest since:
2019
Jun 1961–May 1963
24-Month
57.66in
(1,464.56mm)
59.89in-2.23in29th Driest
Driest since:
1931
100th Wettest
Wettest since:
2020
Jun 1960–May 1963
36-Month
87.01in
(2,210.05mm)
89.83in-2.82in34th Driest
Driest since:
1955
94th Wettest
Wettest since:
2019
Ties: 1900
Jun 1959–May 1963
48-Month
117.56in
(2,986.02mm)
119.71in-2.15in41st Driest
Driest since:
1956
86th Wettest
Wettest since:
2019
Jun 1958–May 1963
60-Month
146.92in
(3,731.77mm)
149.56in-2.64in37th Driest
Driest since:
1957
89th Wettest
Wettest since:
2020

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