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 1999

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 1999
1-Month
1.44"
(36.58mm)
2.23"
(56.64mm)
-0.79"
(-20.06mm)
13th Driest
Driest since:
1917
115th Wettest
Wettest since:
1983
Ties: 1943
Oct–Nov 1999
2-Month
3.01"
(76.45mm)
4.40"
(111.76mm)
-1.39"
(-35.31mm)
8th Driest
Driest since:
1917
120th Wettest
Wettest since:
1985
Sep–Nov 1999
3-Month
5.53"
(140.46mm)
6.88"
(174.75mm)
-1.35"
(-34.29mm)
11th Driest
Driest since:
1939
117th Wettest
Wettest since:
1985
Ties: 1908
Aug–Nov 1999
4-Month
7.83"
(198.88mm)
9.50"
(241.30mm)
-1.67"
(-42.42mm)
11th Driest
Driest since:
1952
117th Wettest
Wettest since:
2018
Jul–Nov 1999
5-Month
10.41"
(264.41mm)
12.28"
(311.91mm)
-1.87"
(-47.50mm)
10th Driest
Driest since:
1952
118th Wettest
Wettest since:
2018
Jun–Nov 1999
6-Month
13.72"
(348.49mm)
15.20"
(386.08mm)
-1.48"
(-37.59mm)
19th Driest
Driest since:
1952
109th Wettest
Wettest since:
2004
May–Nov 1999
7-Month
16.63"
(422.40mm)
18.12"
(460.25mm)
-1.49"
(-37.85mm)
26th Driest
Driest since:
1952
102nd Wettest
Wettest since:
2004
Apr–Nov 1999
8-Month
19.50"
(495.30mm)
20.63"
(524.00mm)
-1.13"
(-28.70mm)
28th Driest
Driest since:
1952
100th Wettest
Wettest since:
2015
Mar–Nov 1999
9-Month
21.69"
(550.93mm)
23.14"
(587.76mm)
-1.45"
(-36.83mm)
28th Driest
Driest since:
1956
100th Wettest
Wettest since:
1973
Feb–Nov 1999
10-Month
23.61"
(599.69mm)
25.28"
(642.11mm)
-1.67"
(-42.42mm)
24th Driest
Driest since:
1910
104th Wettest
Wettest since:
2019
Jan–Nov 1999
11-Month
26.74"
(679.20mm)
27.59"
(700.79mm)
-0.85"
(-21.59mm)
37th Driest
Driest since:
1910
91st Wettest
Wettest since:
2019
Dec 1998–Nov 1999
12-Month
28.82"
(732.03mm)
29.94"
(760.48mm)
-1.12"
(-28.45mm)
36th Driest
Driest since:
1931
91st Wettest
Wettest since:
2019
Jun 1998–Nov 1999
18-Month
45.53"
(1,156.46mm)
45.16"
(1,147.06mm)
0.37"
(9.40mm)
62nd Driest
Driest since:
1931
65th Wettest
Wettest since:
2019
Dec 1997–Nov 1999
24-Month
62.94"
(1,598.68mm)
59.90"
(1,521.46mm)
3.04"
(77.22mm)
94th Driest
Driest since:
1931
32nd Wettest
Wettest since:
2019
Dec 1996–Nov 1999
36-Month
95.78"
(2,432.81mm)
89.86"
(2,282.44mm)
5.92"
(150.37mm)
107th Driest
Driest since:
1956
18th Wettest
Wettest since:
2019
Dec 1995–Nov 1999
48-Month
128.44"
(3,262.38mm)
119.78"
(3,042.41mm)
8.66"
(219.97mm)
111th Driest
Driest since:
1956
13th Wettest
Wettest since:
2019
Dec 1994–Nov 1999
60-Month
161.07"
(4,091.18mm)
149.66"
(3,801.36mm)
11.41"
(289.82mm)
114th Driest
Driest since:
1956
9th Wettest
Wettest since:
2019

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