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, February 1975

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
February 1975
1-Month		2.61"
(66.29mm)		2.13"
(54.10mm)		0.48"
(12.19mm)		109th Driest
Driest since:
1947
21st Wettest
Wettest since:
1998
Jan–Feb 1975
2-Month		5.22"
(132.59mm)		4.45"
(113.03mm)		0.77"
(19.56mm)		112th Driest
Driest since:
1977
18th Wettest
Wettest since:
1998
Dec 1974–Feb 1975
3-Month		7.64"
(194.06mm)		6.79"
(172.47mm)		0.85"
(21.59mm)		105th Driest
Driest since:
1977
24th Wettest
Wettest since:
2019
Nov 1974–Feb 1975
4-Month		9.82"
(249.43mm)		9.02"
(229.11mm)		0.80"
(20.32mm)		102nd Driest
Driest since:
1977
27th Wettest
Wettest since:
2019
Oct 1974–Feb 1975
5-Month		11.83"
(300.48mm)		11.19"
(284.23mm)		0.64"
(16.25mm)		86th Driest
Driest since:
1977
43rd Wettest
Wettest since:
2019
Sep 1974–Feb 1975
6-Month		14.55"
(369.57mm)		13.68"
(347.47mm)		0.87"
(22.10mm)		87th Driest
Driest since:
1977
42nd Wettest
Wettest since:
2019
Aug 1974–Feb 1975
7-Month		17.98"
(456.69mm)		16.31"
(414.27mm)		1.67"
(42.42mm)		105th Driest
Driest since:
1977
24th Wettest
Wettest since:
2019
Jul 1974–Feb 1975
8-Month		20.12"
(511.05mm)		19.09"
(484.89mm)		1.03"
(26.16mm)		95th Driest
Driest since:
1977
34th Wettest
Wettest since:
2019
Jun 1974–Feb 1975
9-Month		22.76"
(578.10mm)		22.02"
(559.31mm)		0.74"
(18.79mm)		88th Driest
Driest since:
1918, 1931, 1977
41st Wettest
Wettest since:
2019
May 1974–Feb 1975
10-Month		25.83"
(656.08mm)		24.92"
(632.97mm)		0.91"
(23.11mm)		85th Driest
Driest since:
1918
44th Wettest
Wettest since:
2019
Ties: 1995
Apr 1974–Feb 1975
11-Month		28.38"
(720.85mm)		27.45"
(697.23mm)		0.93"
(23.62mm)		82nd Driest
Driest since:
1931
47th Wettest
Wettest since:
2019
Mar 1974–Feb 1975
12-Month		31.01"
(787.65mm)		29.96"
(760.98mm)		1.05"
(26.67mm)		85th Driest
Driest since:
1931
44th Wettest
Wettest since:
2019
Ties: 1995
Sep 1973–Feb 1975
18-Month		47.93"
(1,217.42mm)		43.65"
(1,108.71mm)		4.28"
(108.71mm)		117th Driest
Driest since:
1918
11th Wettest
Wettest since:
2020
Mar 1973–Feb 1975
24-Month		66.36"
(1,685.54mm)		59.92"
(1,521.97mm)		6.44"
(163.57mm)		120th Driest
Driest since:
1935
8th Wettest
Wettest since:
2020
Mar 1972–Feb 1975
36-Month		98.37"
(2,498.60mm)		89.87"
(2,282.70mm)		8.50"
(215.90mm)		117th Driest
Driest since:
1957
10th Wettest
Wettest to Date
2020
Mar 1971–Feb 1975
48-Month		128.43"
(3,262.12mm)		119.77"
(3,042.16mm)		8.66"
(219.96mm)		113th Driest
Driest since:
1957
13th Wettest
Wettest to Date
2019
Mar 1970–Feb 1975
60-Month		158.81"
(4,033.77mm)		149.63"
(3,800.60mm)		9.18"
(233.17mm)		110th Driest
Driest since:
1957
15th Wettest
Wettest to Date
2020

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