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, February 1940

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
February 1940
1-Month
2.98"
(75.69mm)
2.13"
(54.10mm)
0.85"
(21.59mm)
125th Driest
Driest since:
1947
4th Wettest
Wettest since:
1998
Jan–Feb 1940
2-Month
4.91"
(124.71mm)
4.45"
(113.03mm)
0.46"
(11.68mm)
104th Driest
Driest since:
1977
25th Wettest
Wettest since:
1998
Dec 1939–Feb 1940
3-Month
6.79"
(172.47mm)
6.79"
(172.47mm)
0.00"
(0.00mm)
68th Driest
Driest since:
1977
60th Wettest
Wettest since:
2019
Nov 1939–Feb 1940
4-Month
7.78"
(197.61mm)
9.02"
(229.11mm)
-1.24"
(-31.50mm)
15th Driest
Driest since:
1977
113th Wettest
Wettest since:
2019
Oct 1939–Feb 1940
5-Month
9.38"
(238.25mm)
11.19"
(284.23mm)
-1.81"
(-45.98mm)
11th Driest
Driest since:
1977
117th Wettest
Wettest since:
2019
Sep 1939–Feb 1940
6-Month
11.00"
(279.40mm)
13.68"
(347.47mm)
-2.68"
(-68.07mm)
3rd Driest
Driest since:
1977
125th Wettest
Wettest since:
2019
Aug 1939–Feb 1940
7-Month
13.71"
(348.23mm)
16.31"
(414.27mm)
-2.60"
(-66.04mm)
8th Driest
Driest since:
1977
120th Wettest
Wettest since:
2019
Ties: 1981
Jul 1939–Feb 1940
8-Month
16.07"
(408.18mm)
19.09"
(484.89mm)
-3.02"
(-76.71mm)
6th Driest
Driest since:
1977
122nd Wettest
Wettest since:
2019
Jun 1939–Feb 1940
9-Month
19.39"
(492.51mm)
22.02"
(559.31mm)
-2.63"
(-66.80mm)
11th Driest
Driest since:
1918, 1931, 1977
117th Wettest
Wettest since:
2019
May 1939–Feb 1940
10-Month
21.59"
(548.39mm)
24.92"
(632.97mm)
-3.33"
(-84.58mm)
8th Driest
Driest since:
1918
120th Wettest
Wettest since:
2019
Apr 1939–Feb 1940
11-Month
23.75"
(603.25mm)
27.45"
(697.23mm)
-3.70"
(-93.98mm)
7th Driest
Driest since:
1931
121st Wettest
Wettest since:
2019
Mar 1939–Feb 1940
12-Month
25.82"
(655.83mm)
29.96"
(760.98mm)
-4.14"
(-105.15mm)
6th Driest
Driest since:
1931
122nd Wettest
Wettest since:
2019
Sep 1938–Feb 1940
18-Month
38.71"
(983.23mm)
43.65"
(1,108.71mm)
-4.94"
(-125.48mm)
8th Driest
Driest since:
1918
119th Wettest
Wettest since:
2020
Mar 1938–Feb 1940
24-Month
56.46"
(1,434.08mm)
59.92"
(1,521.97mm)
-3.46"
(-87.89mm)
21st Driest
Driest since:
1935
106th Wettest
Wettest since:
2020
Mar 1937–Feb 1940
36-Month
85.62"
(2,174.75mm)
89.87"
(2,282.70mm)
-4.25"
(-107.95mm)
21st Driest
Driest since:
1957
105th Wettest
Wettest since:
2020
Mar 1936–Feb 1940
48-Month
113.27"
(2,877.06mm)
119.77"
(3,042.16mm)
-6.50"
(-165.10mm)
8th Driest
Driest since:
1957
117th Wettest
Wettest since:
2019
Mar 1935–Feb 1940
60-Month
144.15"
(3,661.41mm)
149.63"
(3,800.60mm)
-5.48"
(-139.19mm)
14th Driest
Driest since:
1957
110th Wettest
Wettest since:
2020

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