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 1994 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 1994
1-Month
2.43in
(61.72mm)
2.91in
(73.91mm)
-0.48in21st Driest
Driest since:
1934
110th Wettest
Wettest since:
2019
Apr–May 1994
2-Month
5.25in
(133.35mm)
5.42in
(137.67mm)
-0.17in55th Driest
Driest since:
1934
76th Wettest
Wettest since:
1957
Ties: 1898
Mar–May 1994
3-Month
7.61in
(193.29mm)
7.93in
(201.42mm)
-0.32in50th Driest
Driest since:
1925
81st Wettest
Wettest since:
1957, 1991
Feb–May 1994
4-Month
9.76in
(247.90mm)
10.07in
(255.78mm)
-0.31in57th Driest
Driest since:
1925
74th Wettest
Wettest since:
2019
Jan–May 1994
5-Month
12.00in
(304.80mm)
12.38in
(314.45mm)
-0.38in55th Driest
Driest since:
1934
76th Wettest
Wettest since:
2019
Dec 1993–May 1994
6-Month
13.96in
(354.58mm)
14.72in
(373.89mm)
-0.76in44th Driest
Driest since:
1931
86th Wettest
Wettest since:
2019
Nov 1993–May 1994
7-Month
16.08in
(408.43mm)
16.95in
(430.53mm)
-0.87in41st Driest
Driest since:
1934
89th Wettest
Wettest since:
1983
Oct 1993–May 1994
8-Month
18.27in
(464.06mm)
19.12in
(485.65mm)
-0.85in36th Driest
Driest since:
1934
94th Wettest
Wettest since:
2019
Sep 1993–May 1994
9-Month
20.85in
(529.59mm)
21.61in
(548.89mm)
-0.76in44th Driest
Driest since:
1934
86th Wettest
Wettest since:
2019
Aug 1993–May 1994
10-Month
23.62in
(599.95mm)
24.23in
(615.44mm)
-0.61in45th Driest
Driest since:
1918
85th Wettest
Wettest since:
2019
Jul 1993–May 1994
11-Month
26.92in
(683.77mm)
27.02in
(686.31mm)
-0.10in58th Driest
Driest since:
1931
72nd Wettest
Wettest since:
2019
Jun 1993–May 1994
12-Month
30.53in
(775.46mm)
29.94in
(760.48mm)
0.59in80th Driest
Driest since:
1934
50th Wettest
Wettest since:
2019
Ties: 1972
Dec 1992–May 1994
18-Month
47.39in
(1,203.71mm)
44.67in2.72in100th Driest
Driest since:
1931
29th Wettest
Wettest since:
2019
Jun 1992–May 1994
24-Month
64.60in
(1,640.84mm)
59.89in4.71in113th Driest
Driest since:
1931
16th Wettest
Wettest since:
2020
Jun 1991–May 1994
36-Month
93.88in
(2,384.55mm)
89.83in4.05in101st Driest
Driest since:
1955
27th Wettest
Wettest since:
2019
Jun 1990–May 1994
48-Month
125.96in
(3,199.38mm)
119.71in6.25in108th Driest
Driest since:
1956
19th Wettest
Wettest since:
2019
Jun 1989–May 1994
60-Month
157.48in
(3,999.99mm)
149.56in7.92in108th Driest
Driest since:
1957
18th Wettest
Wettest since:
2020

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