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 1895 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 1895
1-Month
2.88in
(73.15mm)
2.91in
(73.91mm)
-0.03in57th DriestDriest to Date1934
74th WettestWettest to Date2019
Apr–May 1895
2-Month
4.87in
(123.70mm)
5.42in
(137.67mm)
-0.55in28th DriestDriest to Date1934
103rd WettestWettest to Date1957
Mar–May 1895
3-Month
6.86in
(174.24mm)
7.93in
(201.42mm)
-1.07in13th DriestDriest to Date1925
118th WettestWettest to Date1957, 1991
Feb–May 1895
4-Month
8.27in
(210.06mm)
10.07in
(255.78mm)
-1.80in5th DriestDriest to Date1925
126th WettestWettest to Date2019
Jan–May 1895
5-Month
11.58in
(294.13mm)
12.38in
(314.45mm)
-0.80in32nd DriestDriest to Date1934
99th WettestWettest to Date2019

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