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, January 2000

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2023)
Wettest/Driest
Since
Record
January 2000
1-Month
2.14"
(54.36mm)
2.31"
(58.67mm)
-0.17"
(-4.31mm)
51st Driest
Driest since:
1981
79th Wettest
Wettest since:
1916
Dec 1999–Jan 2000
2-Month
3.87"
(98.30mm)
4.66"
(118.36mm)
-0.79"
(-20.06mm)
18th Driest
Driest since:
1981
111th Wettest
Wettest since:
1932
Ties: 1976
Nov 1999–Jan 2000
3-Month
5.31"
(134.87mm)
6.89"
(175.01mm)
-1.58"
(-40.14mm)
11th Driest
Driest since:
1977
118th Wettest
Wettest since:
2016
Oct 1999–Jan 2000
4-Month
6.88"
(174.75mm)
9.06"
(230.12mm)
-2.18"
(-55.37mm)
6th Driest
Driest since:
1981
123rd Wettest
Wettest since:
2016
Sep 1999–Jan 2000
5-Month
9.40"
(238.76mm)
11.55"
(293.37mm)
-2.15"
(-54.61mm)
10th Driest
Driest since:
1940
119th Wettest
Wettest since:
2019
Aug 1999–Jan 2000
6-Month
11.70"
(297.18mm)
14.17"
(359.92mm)
-2.47"
(-62.74mm)
7th Driest
Driest since:
1940
122nd Wettest
Wettest since:
2019
Jul 1999–Jan 2000
7-Month
14.28"
(362.71mm)
16.96"
(430.78mm)
-2.68"
(-68.07mm)
9th Driest
Driest since:
1940
120th Wettest
Wettest since:
2019
Jun 1999–Jan 2000
8-Month
17.59"
(446.79mm)
19.88"
(504.95mm)
-2.29"
(-58.16mm)
14th Driest
Driest since:
1981
115th Wettest
Wettest since:
2019
May 1999–Jan 2000
9-Month
20.50"
(520.70mm)
22.79"
(578.87mm)
-2.29"
(-58.17mm)
15th Driest
Driest since:
1918
114th Wettest
Wettest since:
2016
Ties: 1925
Apr 1999–Jan 2000
10-Month
23.37"
(593.60mm)
25.32"
(643.13mm)
-1.95"
(-49.53mm)
27th Driest
Driest since:
1940
102nd Wettest
Wettest since:
2016
Ties: 2001
Mar 1999–Jan 2000
11-Month
25.56"
(649.22mm)
27.83"
(706.88mm)
-2.27"
(-57.66mm)
23rd Driest
Driest since:
1957
106th Wettest
Wettest since:
1974
Ties: 1900
Feb 1999–Jan 2000
12-Month
27.48"
(697.99mm)
29.96"
(760.98mm)
-2.48"
(-62.99mm)
20th Driest
Driest since:
1931
109th Wettest
Wettest since:
1974
Aug 1998–Jan 2000
18-Month
43.22"
(1,097.79mm)
44.14"
(1,121.16mm)
-0.92"
(-23.37mm)
41st Driest
Driest since:
1955
87th Wettest
Wettest since:
2020
Feb 1998–Jan 2000
24-Month
61.14"
(1,552.96mm)
59.93"
(1,522.22mm)
1.21"
(30.74mm)
79th Driest
Driest since:
1918
49th Wettest
Wettest since:
2020
Feb 1997–Jan 2000
36-Month
93.55"
(2,376.17mm)
89.86"
(2,282.44mm)
3.69"
(93.73mm)
93rd Driest
Driest since:
1957
34th Wettest
Wettest since:
2020
Feb 1996–Jan 2000
48-Month
127.24"
(3,231.90mm)
119.76"
(3,041.90mm)
7.48"
(190.00mm)
107th Driest
Driest since:
1957
19th Wettest
Wettest since:
2020
Feb 1995–Jan 2000
60-Month
159.57"
(4,053.08mm)
149.63"
(3,800.60mm)
9.94"
(252.48mm)
111th Driest
Driest since:
1957
14th Wettest
Wettest since:
2020

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