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 2010

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
February 2010
1-Month 		2.01"
(51.05mm)		 2.13"
(54.10mm)		 -0.12"
(-3.05mm)		 54th Driest
Driest since:
 1947
76th Wettest
Wettest since:
 1998
Ties: 1989
Jan–Feb 2010
2-Month 		4.63"
(117.60mm)		 4.45"
(113.03mm)		 0.18"
(4.57mm)		 87th Driest
Driest since:
 1977
43rd Wettest
Wettest since:
 1998
Ties: 1908
Dec 2009–Feb 2010
3-Month 		7.71"
(195.83mm)		 6.79"
(172.47mm)		 0.92"
(23.36mm)		 109th Driest
Driest since:
 1977
20th Wettest
Wettest since:
 2019
Nov 2009–Feb 2010
4-Month 		9.34"
(237.24mm)		 9.02"
(229.11mm)		 0.32"
(8.13mm)		 86th Driest
Driest since:
 1977
43rd Wettest
Wettest since:
 2019
Oct 2009–Feb 2010
5-Month 		13.63"
(346.20mm)		 11.19"
(284.23mm)		 2.44"
(61.97mm)		 123rd Driest
Driest since:
 1977
6th Wettest
Wettest since:
 2019
Sep 2009–Feb 2010
6-Month 		16.17"
(410.72mm)		 13.68"
(347.47mm)		 2.49"
(63.25mm)		 122nd Driest
Driest since:
 1977
7th Wettest
Wettest since:
 2019
Aug 2009–Feb 2010
7-Month 		18.86"
(479.04mm)		 16.31"
(414.27mm)		 2.55"
(64.77mm)		 121st Driest
Driest since:
 1977
8th Wettest
Wettest since:
 2019
Jul 2009–Feb 2010
8-Month 		21.93"
(557.02mm)		 19.09"
(484.89mm)		 2.84"
(72.13mm)		 121st Driest
Driest since:
 1977
8th Wettest
Wettest since:
 2019
Jun 2009–Feb 2010
9-Month 		24.94"
(633.48mm)		 22.02"
(559.31mm)		 2.92"
(74.17mm)		 119th Driest
Driest since:
 1918, 1931, 1977
10th Wettest
Wettest since:
 2019
May 2009–Feb 2010
10-Month 		28.25"
(717.55mm)		 24.92"
(632.97mm)		 3.33"
(84.58mm)		 121st Driest
Driest since:
 1918
8th Wettest
Wettest since:
 2019
Apr 2009–Feb 2010
11-Month 		31.08"
(789.43mm)		 27.45"
(697.23mm)		 3.63"
(92.20mm)		 120th Driest
Driest since:
 1931
9th Wettest
Wettest since:
 2019
Mar 2009–Feb 2010
12-Month 		33.78"
(858.01mm)		 29.96"
(760.98mm)		 3.82"
(97.03mm)		 122nd Driest
Driest since:
 1931
7th Wettest
Wettest since:
 2019
Sep 2008–Feb 2010
18-Month 		46.58"
(1,183.13mm)		 43.65"
(1,108.71mm)		 2.93"
(74.42mm)		 106th Driest
Driest since:
 1918
22nd Wettest
Wettest since:
 2020
Mar 2008–Feb 2010
24-Month 		63.49"
(1,612.65mm)		 59.92"
(1,521.97mm)		 3.57"
(90.68mm)		 102nd Driest
Driest since:
 1935
26th Wettest
Wettest since:
 2020
Mar 2007–Feb 2010
36-Month 		93.37"
(2,371.60mm)		 89.87"
(2,282.70mm)		 3.50"
(88.90mm)		 94th Driest
Driest since:
 1957
33rd Wettest
Wettest since:
 2020
Mar 2006–Feb 2010
48-Month 		123.04"
(3,125.22mm)		 119.77"
(3,042.16mm)		 3.27"
(83.06mm)		 89th Driest
Driest since:
 1957
37th Wettest
Wettest since:
 2019
Mar 2005–Feb 2010
60-Month 		152.49"
(3,873.25mm)		 149.63"
(3,800.60mm)		 2.86"
(72.65mm)		 78th Driest
Driest since:
 1957
47th Wettest
Wettest since:
 2020

Citing This Page