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, March 1907

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
March 1907
1-Month 		2.45"
(62.23mm)		 2.51"
(63.75mm)		 -0.06"
(-1.52mm)		 61st Driest
Driest since:
 1910
68th Wettest
Wettest since:
 1973
Feb–Mar 1907
2-Month 		4.27"
(108.46mm)		 4.64"
(117.86mm)		 -0.37"
(-9.40mm)		 36th Driest
Driest since:
 1910
93rd Wettest
Wettest since:
 1998
Jan–Mar 1907
3-Month 		7.02"
(178.31mm)		 6.96"
(176.78mm)		 0.06"
(1.53mm)		 73rd Driest
Driest since:
 1910
56th Wettest
Wettest since:
 1998
Dec 1906–Mar 1907
4-Month 		9.90"
(251.46mm)		 9.30"
(236.22mm)		 0.60"
(15.24mm)		 94th Driest
Driest since:
 1981
34th Wettest
Wettest since:
 1983, 1998
Nov 1906–Mar 1907
5-Month 		12.39"
(314.71mm)		 11.53"
(292.86mm)		 0.86"
(21.85mm)		 99th Driest
Driest since:
 1977
29th Wettest
Wettest since:
 1983
Oct 1906–Mar 1907
6-Month 		14.47"
(367.54mm)		 13.70"
(347.98mm)		 0.77"
(19.56mm)		 92nd Driest
Driest since:
 1918
36th Wettest
Wettest since:
 1983
Sep 1906–Mar 1907
7-Month 		17.38"
(441.45mm)		 16.19"
(411.23mm)		 1.19"
(30.22mm)		 97th Driest
Driest since:
 1918
31st Wettest
Wettest since:
 2019
Aug 1906–Mar 1907
8-Month 		20.77"
(527.56mm)		 18.82"
(478.03mm)		 1.95"
(49.53mm)		 109th Driest
Driest since:
 1918
19th Wettest
Wettest since:
 2019
Jul 1906–Mar 1907
9-Month 		24.07"
(611.38mm)		 21.60"
(548.64mm)		 2.47"
(62.74mm)		 113th Driest
Driest since:
 1918
15th Wettest
Wettest since:
 2019
Jun 1906–Mar 1907
10-Month 		27.11"
(688.59mm)		 24.53"
(623.06mm)		 2.58"
(65.53mm)		 113th Driest
Driest since:
 1918
15th Wettest
Wettest since:
 2019
Ties: 1987
May 1906–Mar 1907
11-Month 		30.27"
(768.86mm)		 27.43"
(696.72mm)		 2.84"
(72.14mm)		 114th Driest
Driest since:
 1918
14th Wettest
Wettest to Date
 2019
Apr 1906–Mar 1907
12-Month 		32.35"
(821.69mm)		 29.96"
(760.98mm)		 2.39"
(60.71mm)		 109th Driest
Driest since:
 1918
19th Wettest
Wettest since:
 2016
Oct 1905–Mar 1907
18-Month 		46.52"
(1,181.61mm)		 43.68"
(1,109.47mm)		 2.84"
(72.14mm)		 102nd Driest
Driest since:
 1918
25th Wettest
Wettest to Date
 2020
Apr 1905–Mar 1907
24-Month 		64.99"
(1,650.75mm)		 59.92"
(1,521.97mm)		 5.07"
(128.78mm)		 115th Driest
Driest since:
 1955
12th Wettest
Wettest to Date
 2020
Apr 1904–Mar 1907
36-Month 		93.07"
(2,363.98mm)		 89.87"
(2,282.70mm)		 3.20"
(81.28mm)		 90th Driest
Driest since:
 1955
36th Wettest
Wettest to Date
 2020
Apr 1903–Mar 1907
48-Month 		121.46"
(3,085.08mm)		 119.76"
(3,041.90mm)		 1.70"
(43.18mm)		 74th Driest
Driest since:
 1957
51st Wettest
Wettest to Date
 2019
Apr 1902–Mar 1907
60-Month 		153.49"
(3,898.65mm)		 149.62"
(3,800.35mm)		 3.87"
(98.30mm)		 85th Driest
Driest since:
 1957
39th Wettest
Wettest to Date
 2020

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