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, August 1992

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1992
1-Month
2.90"
(73.66mm)
2.62"
(66.55mm)
0.28"
(7.11mm)
99th Driest
Driest since:
1929
30th Wettest
Wettest since:
1977
Jul–Aug 1992
2-Month
6.55"
(166.37mm)
5.40"
(137.16mm)
1.15"
(29.21mm)
126th Driest
Driest since:
1930
3rd Wettest
Wettest since:
1915
Ties: 2021
Jun–Aug 1992
3-Month
9.94"
(252.48mm)
8.32"
(211.33mm)
1.62"
(41.15mm)
126th Driest
Driest since:
1930
3rd Wettest
Wettest since:
1928
May–Aug 1992
4-Month
12.23"
(310.64mm)
11.23"
(285.24mm)
1.00"
(25.40mm)
107th Driest
Driest since:
1936
22nd Wettest
Wettest since:
1915
Ties: 1982
Apr–Aug 1992
5-Month
14.29"
(362.97mm)
13.75"
(349.25mm)
0.54"
(13.72mm)
81st Driest
Driest since:
1934
48th Wettest
Wettest since:
2019
Ties: 1984
Mar–Aug 1992
6-Month
16.80"
(426.72mm)
16.26"
(413.00mm)
0.54"
(13.72mm)
77th Driest
Driest since:
1936
52nd Wettest
Wettest since:
1905
Feb–Aug 1992
7-Month
19.12"
(485.65mm)
18.40"
(467.36mm)
0.72"
(18.29mm)
79th Driest
Driest since:
1934
50th Wettest
Wettest since:
2019
Jan–Aug 1992
8-Month
21.20"
(538.48mm)
20.71"
(526.03mm)
0.49"
(12.45mm)
73rd Driest
Driest since:
1934
56th Wettest
Wettest since:
2019
Dec 1991–Aug 1992
9-Month
23.97"
(608.84mm)
23.05"
(585.47mm)
0.92"
(23.37mm)
83rd Driest
Driest since:
1931
45th Wettest
Wettest since:
2019
Nov 1991–Aug 1992
10-Month
26.46"
(672.08mm)
25.28"
(642.11mm)
1.18"
(29.97mm)
89th Driest
Driest since:
1934
39th Wettest
Wettest since:
2019
Oct 1991–Aug 1992
11-Month
28.56"
(725.42mm)
27.45"
(697.23mm)
1.11"
(28.19mm)
84th Driest
Driest since:
1934
44th Wettest
Wettest since:
2019
Sep 1991–Aug 1992
12-Month
31.09"
(789.69mm)
29.94"
(760.48mm)
1.15"
(29.21mm)
86th Driest
Driest since:
1934
42nd Wettest
Wettest since:
2019
Ties: 1946
Mar 1991–Aug 1992
18-Month
49.63"
(1,260.60mm)
46.22"
(1,173.99mm)
3.41"
(86.61mm)
110th Driest
Driest since:
1931
18th Wettest
Wettest since:
2019
Sep 1990–Aug 1992
24-Month
63.22"
(1,605.79mm)
59.92"
(1,521.97mm)
3.30"
(83.82mm)
102nd Driest
Driest since:
1918
25th Wettest
Wettest since:
2020
Sep 1989–Aug 1992
36-Month
93.45"
(2,373.63mm)
89.86"
(2,282.44mm)
3.59"
(91.19mm)
94th Driest
Driest since:
1956
32nd Wettest
Wettest since:
2019
Ties: 1929
Sep 1988–Aug 1992
48-Month
123.96"
(3,148.58mm)
119.77"
(3,042.16mm)
4.19"
(106.42mm)
96th Driest
Driest since:
1956
29th Wettest
Wettest since:
2019
Sep 1987–Aug 1992
60-Month
149.52"
(3,797.81mm)
149.64"
(3,800.86mm)
-0.12"
(-3.05mm)
58th Driest
Driest since:
1934
66th Wettest
Wettest since:
2019

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