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, October 1974

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1974
1-Month
2.01"
(51.05mm)
2.16"
(54.86mm)
-0.15"
(-3.81mm)
44th Driest
Driest since:
1952
85th Wettest
Wettest since:
2009
Sep–Oct 1974
2-Month
4.73"
(120.14mm)
4.65"
(118.11mm)
0.08"
(2.03mm)
66th Driest
Driest since:
1952
63rd Wettest
Wettest since:
2018
Aug–Oct 1974
3-Month
8.16"
(207.26mm)
7.27"
(184.66mm)
0.89"
(22.60mm)
106th Driest
Driest since:
1952
23rd Wettest
Wettest since:
2018
Jul–Oct 1974
4-Month
10.30"
(261.62mm)
10.05"
(255.27mm)
0.25"
(6.35mm)
68th Driest
Driest since:
1952
61st Wettest
Wettest since:
1941
Jun–Oct 1974
5-Month
12.94"
(328.68mm)
12.97"
(329.44mm)
-0.03"
(-0.76mm)
56th Driest
Driest since:
1952
73rd Wettest
Wettest since:
1941
May–Oct 1974
6-Month
16.01"
(406.65mm)
15.88"
(403.35mm)
0.13"
(3.30mm)
63rd Driest
Driest since:
1952
66th Wettest
Wettest since:
1941
Apr–Oct 1974
7-Month
18.56"
(471.42mm)
18.40"
(467.36mm)
0.16"
(4.06mm)
62nd Driest
Driest since:
1952
67th Wettest
Wettest since:
1941
Mar–Oct 1974
8-Month
21.19"
(538.23mm)
20.91"
(531.11mm)
0.28"
(7.12mm)
66th Driest
Driest since:
1956
63rd Wettest
Wettest since:
2019
Feb–Oct 1974
9-Month
22.87"
(580.90mm)
23.04"
(585.22mm)
-0.17"
(-4.32mm)
53rd Driest
Driest since:
1934
76th Wettest
Wettest since:
2019
Ties: 2005
Jan–Oct 1974
10-Month
26.02"
(660.91mm)
25.36"
(644.14mm)
0.66"
(16.77mm)
81st Driest
Driest since:
1934
48th Wettest
Wettest since:
2019
Ties: 1938
Dec 1973–Oct 1974
11-Month
29.11"
(739.39mm)
27.70"
(703.58mm)
1.41"
(35.81mm)
94th Driest
Driest since:
1931
34th Wettest
Wettest since:
2019
Nov 1973–Oct 1974
12-Month
32.28"
(819.91mm)
29.93"
(760.22mm)
2.35"
(59.69mm)
110th Driest
Driest since:
1934
18th Wettest
Wettest since:
2019
May 1973–Oct 1974
18-Month
49.21"
(1,249.93mm)
45.83"
(1,164.08mm)
3.38"
(85.85mm)
107th Driest
Driest since:
1931
21st Wettest
Wettest since:
2019
Nov 1972–Oct 1974
24-Month
67.05"
(1,703.07mm)
59.90"
(1,521.46mm)
7.15"
(181.61mm)
121st Driest
Driest since:
1931
6th Wettest
Wettest to Date
2019
Nov 1971–Oct 1974
36-Month
97.91"
(2,486.91mm)
89.86"
(2,282.44mm)
8.05"
(204.47mm)
117th Driest
Driest since:
1956
9th Wettest
Wettest to Date
2019
Nov 1970–Oct 1974
48-Month
127.43"
(3,236.72mm)
119.78"
(3,042.41mm)
7.65"
(194.31mm)
107th Driest
Driest since:
1956
18th Wettest
Wettest to Date
2019
Nov 1969–Oct 1974
60-Month
157.24"
(3,993.90mm)
149.66"
(3,801.36mm)
7.58"
(192.54mm)
106th Driest
Driest since:
1934
18th Wettest
Wettest to Date
2019

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