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, November 2009

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
November 2009
1-Month
1.63"
(41.40mm)
2.23"
(56.64mm)
-0.60"
(-15.24mm)
23rd Driest
Driest since:
1917
105th Wettest
Wettest since:
1983
Oct–Nov 2009
2-Month
5.92"
(150.37mm)
4.40"
(111.76mm)
1.52"
(38.61mm)
120th Driest
Driest since:
1917
8th Wettest
Wettest since:
1985
Sep–Nov 2009
3-Month
8.46"
(214.88mm)
6.88"
(174.75mm)
1.58"
(40.13mm)
115th Driest
Driest since:
1939
13th Wettest
Wettest since:
1985
Aug–Nov 2009
4-Month
11.15"
(283.21mm)
9.50"
(241.30mm)
1.65"
(41.91mm)
117th Driest
Driest since:
1952
11th Wettest
Wettest since:
2018
Jul–Nov 2009
5-Month
14.22"
(361.19mm)
12.28"
(311.91mm)
1.94"
(49.28mm)
119th Driest
Driest since:
1952
9th Wettest
Wettest since:
2018
Jun–Nov 2009
6-Month
17.23"
(437.64mm)
15.20"
(386.08mm)
2.03"
(51.56mm)
120th Driest
Driest since:
1952
8th Wettest
Wettest since:
2004
May–Nov 2009
7-Month
20.54"
(521.72mm)
18.12"
(460.25mm)
2.42"
(61.47mm)
118th Driest
Driest since:
1952
10th Wettest
Wettest since:
2004
Ties: 1985
Apr–Nov 2009
8-Month
23.37"
(593.60mm)
20.63"
(524.00mm)
2.74"
(69.60mm)
119th Driest
Driest since:
1952
9th Wettest
Wettest since:
2015
Mar–Nov 2009
9-Month
26.07"
(662.18mm)
23.14"
(587.76mm)
2.93"
(74.42mm)
119th Driest
Driest since:
1956
9th Wettest
Wettest since:
1973
Feb–Nov 2009
10-Month
27.62"
(701.55mm)
25.28"
(642.11mm)
2.34"
(59.44mm)
113th Driest
Driest since:
1910
15th Wettest
Wettest since:
2019
Jan–Nov 2009
11-Month
29.22"
(742.19mm)
27.59"
(700.79mm)
1.63"
(41.40mm)
101st Driest
Driest since:
1910
27th Wettest
Wettest since:
2019
Dec 2008–Nov 2009
12-Month
32.06"
(814.32mm)
29.94"
(760.48mm)
2.12"
(53.84mm)
101st Driest
Driest since:
1931
26th Wettest
Wettest since:
2019
Jun 2008–Nov 2009
18-Month
47.72"
(1,212.09mm)
45.16"
(1,147.06mm)
2.56"
(65.03mm)
98th Driest
Driest since:
1931
29th Wettest
Wettest since:
2019
Dec 2007–Nov 2009
24-Month
63.43"
(1,611.12mm)
59.90"
(1,521.46mm)
3.53"
(89.66mm)
101st Driest
Driest since:
1931
25th Wettest
Wettest since:
2019
Dec 2006–Nov 2009
36-Month
92.21"
(2,342.13mm)
89.86"
(2,282.44mm)
2.35"
(59.69mm)
86th Driest
Driest since:
1956
39th Wettest
Wettest since:
2019
Ties: 1909
Dec 2005–Nov 2009
48-Month
121.75"
(3,092.45mm)
119.78"
(3,042.41mm)
1.97"
(50.04mm)
78th Driest
Driest since:
1956
46th Wettest
Wettest since:
2019
Dec 2004–Nov 2009
60-Month
151.72"
(3,853.69mm)
149.66"
(3,801.36mm)
2.06"
(52.33mm)
72nd Driest
Driest since:
1956
51st Wettest
Wettest since:
2019

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