National Rankings

National Data Info
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.

Precipitation Rankings, July 1897

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
July 1897
1-Month		2.93"
(74.42mm)		2.78"
(70.61mm)		0.15"
(3.81mm)		84th Driest
Driest to Date
1930
45th Wettest
Wettest since:
1950, 1958
Ties: 1904, 1972
Jun–Jul 1897
2-Month		5.81"
(147.57mm)		5.70"
(144.78mm)		0.11"
(2.79mm)		62nd Driest
Driest to Date
1930
67th Wettest
Wettest since:
1928
May–Jul 1897
3-Month		7.93"
(201.42mm)		8.62"
(218.95mm)		-0.69"
(-17.53mm)		32nd Driest
Driest to Date
1988
97th Wettest
Wettest since:
2015
Apr–Jul 1897
4-Month		10.35"
(262.89mm)		11.13"
(282.70mm)		-0.78"
(-19.81mm)		31st Driest
Driest to Date
1934
98th Wettest
Wettest since:
2015
Mar–Jul 1897
5-Month		13.97"
(354.84mm)		13.64"
(346.46mm)		0.33"
(8.38mm)		72nd Driest
Driest since:
1936
57th Wettest
Wettest to Date
1973
Ties: 2018
Feb–Jul 1897
6-Month		16.76"
(425.70mm)		15.78"
(400.81mm)		0.98"
(24.89mm)		95th Driest
Driest since:
1934
34th Wettest
Wettest to Date
2019
Ties: 1900, 2011
Jan–Jul 1897
7-Month		19.15"
(486.41mm)		18.09"
(459.49mm)		1.06"
(26.92mm)		98th Driest
Driest since:
1934
31st Wettest
Wettest to Date
2019
Dec 1896–Jul 1897
8-Month		20.65"
(524.51mm)		20.44"
(519.18mm)		0.21"
(5.33mm)		63rd Driest
Driest to Date
1931
65th Wettest
Wettest since:
2019
Nov 1896–Jul 1897
9-Month		23.72"
(602.49mm)		22.66"
(575.56mm)		1.06"
(26.93mm)		87th Driest
Driest since:
1934
41st Wettest
Wettest to Date
2019
Oct 1896–Jul 1897
10-Month		25.87"
(657.10mm)		24.83"
(630.68mm)		1.04"
(26.42mm)		85th Driest
Driest since:
1934
43rd Wettest
Wettest to Date
2019
Sep 1896–Jul 1897
11-Month		28.65"
(727.71mm)		27.33"
(694.18mm)		1.32"
(33.53mm)		91st Driest
Driest since:
1934
37th Wettest
Wettest to Date
2019
Aug 1896–Jul 1897
12-Month		30.65"
(778.51mm)		29.95"
(760.73mm)		0.70"
(17.78mm)		72nd Driest
Driest since:
1918
56th Wettest
Wettest to Date
2019
Feb 1896–Jul 1897
18-Month		46.52"
(1,181.61mm)		45.74"
(1,161.80mm)		0.78"
(19.81mm)		70th Driest
Driest since:
1931
58th Wettest
Wettest to Date
2019
Aug 1895–Jul 1897
24-Month		58.93"
(1,496.82mm)		59.92"
(1,521.97mm)		-0.99"
(-25.15mm)		47th Driest
Driest to Date
1918
80th Wettest
Wettest to Date
2020

Citing This Page