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, September 1936

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
September 1936
1-Month
2.99"
(75.95mm)
2.49"
(63.25mm)
0.50"
(12.70mm)
116th Driest
Driest since:
1956
13th Wettest
Wettest since:
1986
Aug–Sep 1936
2-Month
5.20"
(132.08mm)
5.11"
(129.79mm)
0.09"
(2.29mm)
72nd Driest
Driest since:
1956
57th Wettest
Wettest since:
1977
Ties: 1927
Jul–Sep 1936
3-Month
7.51"
(190.75mm)
7.88"
(200.15mm)
-0.37"
(-9.40mm)
33rd Driest
Driest since:
1930
96th Wettest
Wettest since:
1915
Ties: 1995
Jun–Sep 1936
4-Month
9.42"
(239.27mm)
10.81"
(274.57mm)
-1.39"
(-35.30mm)
7th Driest
Driest since:
1930
122nd Wettest
Wettest since:
1915
May–Sep 1936
5-Month
11.67"
(296.42mm)
13.72"
(348.49mm)
-2.05"
(-52.07mm)
5th Driest
Driest since:
1956
124th Wettest
Wettest since:
1915
Ties: 1954
Apr–Sep 1936
6-Month
13.67"
(347.22mm)
16.24"
(412.50mm)
-2.57"
(-65.28mm)
4th Driest
Driest since:
1956
125th Wettest
Wettest since:
1915
Mar–Sep 1936
7-Month
15.77"
(400.56mm)
18.75"
(476.25mm)
-2.98"
(-75.69mm)
5th Driest
Driest since:
1956
124th Wettest
Wettest since:
1973
Feb–Sep 1936
8-Month
18.39"
(467.11mm)
20.88"
(530.35mm)
-2.49"
(-63.24mm)
10th Driest
Driest since:
1930
119th Wettest
Wettest since:
2019
Jan–Sep 1936
9-Month
21.27"
(540.26mm)
23.20"
(589.28mm)
-1.93"
(-49.02mm)
16th Driest
Driest since:
1934
113th Wettest
Wettest since:
2019
Dec 1935–Sep 1936
10-Month
23.04"
(585.22mm)
25.54"
(648.72mm)
-2.50"
(-63.50mm)
11th Driest
Driest since:
1931
117th Wettest
Wettest since:
2019
Nov 1935–Sep 1936
11-Month
25.08"
(637.03mm)
27.77"
(705.36mm)
-2.69"
(-68.33mm)
13th Driest
Driest since:
1934
115th Wettest
Wettest since:
2019
Ties: 1955
Oct 1935–Sep 1936
12-Month
26.70"
(678.18mm)
29.94"
(760.48mm)
-3.24"
(-82.30mm)
12th Driest
Driest since:
1934
116th Wettest
Wettest since:
2019
Apr 1935–Sep 1936
18-Month
43.91"
(1,115.31mm)
46.20"
(1,173.48mm)
-2.29"
(-58.17mm)
26th Driest
Driest since:
1931
102nd Wettest
Wettest since:
2019
Oct 1934–Sep 1936
24-Month
57.36"
(1,456.94mm)
59.92"
(1,521.97mm)
-2.56"
(-65.03mm)
29th Driest
Driest since:
1918
98th Wettest
Wettest since:
2020
Ties: 1917
Oct 1933–Sep 1936
36-Month
81.91"
(2,080.51mm)
89.87"
(2,282.70mm)
-7.96"
(-202.19mm)
4th Driest
Driest since:
1956
122nd Wettest
Wettest since:
2019
Oct 1932–Sep 1936
48-Month
111.46"
(2,831.08mm)
119.78"
(3,042.41mm)
-8.32"
(-211.33mm)
6th Driest
Driest since:
1956
119th Wettest
Wettest since:
2019
Oct 1931–Sep 1936
60-Month
142.30"
(3,614.42mm)
149.66"
(3,801.36mm)
-7.36"
(-186.94mm)
10th Driest
Driest since:
1956
114th Wettest
Wettest since:
2020

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