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 1970

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
February 1970
1-Month
1.63"
(41.40mm)
2.13"
(54.10mm)
-0.50"
(-12.70mm)
15th Driest
Driest since:
1947
115th Wettest
Wettest since:
1998
Jan–Feb 1970
2-Month
3.72"
(94.49mm)
4.45"
(113.03mm)
-0.73"
(-18.54mm)
22nd Driest
Driest since:
1977
108th Wettest
Wettest since:
1998
Dec 1969–Feb 1970
3-Month
6.66"
(169.16mm)
6.79"
(172.47mm)
-0.13"
(-3.31mm)
59th Driest
Driest since:
1977
70th Wettest
Wettest since:
2019
Ties: 1924
Nov 1969–Feb 1970
4-Month
8.25"
(209.55mm)
9.02"
(229.11mm)
-0.77"
(-19.56mm)
32nd Driest
Driest since:
1977
97th Wettest
Wettest since:
2019
Oct 1969–Feb 1970
5-Month
10.95"
(278.13mm)
11.19"
(284.23mm)
-0.24"
(-6.10mm)
57th Driest
Driest since:
1977
72nd Wettest
Wettest since:
2019
Sep 1969–Feb 1970
6-Month
13.25"
(336.55mm)
13.68"
(347.47mm)
-0.43"
(-10.92mm)
52nd Driest
Driest since:
1977
77th Wettest
Wettest since:
2019
Aug 1969–Feb 1970
7-Month
15.56"
(395.22mm)
16.31"
(414.27mm)
-0.75"
(-19.05mm)
32nd Driest
Driest since:
1977
97th Wettest
Wettest since:
2019
Ties: 2011
Jul 1969–Feb 1970
8-Month
18.65"
(473.71mm)
19.09"
(484.89mm)
-0.44"
(-11.18mm)
43rd Driest
Driest since:
1977
86th Wettest
Wettest since:
2019
Ties: 2009
Jun 1969–Feb 1970
9-Month
21.96"
(557.78mm)
22.02"
(559.31mm)
-0.06"
(-1.53mm)
54th Driest
Driest since:
1918, 1931, 1977
75th Wettest
Wettest since:
2019
May 1969–Feb 1970
10-Month
24.62"
(625.35mm)
24.92"
(632.97mm)
-0.30"
(-7.62mm)
48th Driest
Driest since:
1918
81st Wettest
Wettest since:
2019
Apr 1969–Feb 1970
11-Month
27.22"
(691.39mm)
27.45"
(697.23mm)
-0.23"
(-5.84mm)
47th Driest
Driest since:
1931
82nd Wettest
Wettest since:
2019
Mar 1969–Feb 1970
12-Month
29.11"
(739.39mm)
29.96"
(760.98mm)
-0.85"
(-21.59mm)
36th Driest
Driest since:
1931
93rd Wettest
Wettest since:
2019
Sep 1968–Feb 1970
18-Month
44.37"
(1,127.00mm)
43.65"
(1,108.71mm)
0.72"
(18.29mm)
74th Driest
Driest since:
1918
54th Wettest
Wettest since:
2020
Mar 1968–Feb 1970
24-Month
61.09"
(1,551.69mm)
59.92"
(1,521.97mm)
1.17"
(29.72mm)
82nd Driest
Driest since:
1935
46th Wettest
Wettest since:
2020
Ties: 2015
Mar 1967–Feb 1970
36-Month
90.77"
(2,305.56mm)
89.87"
(2,282.70mm)
0.90"
(22.86mm)
72nd Driest
Driest since:
1957
55th Wettest
Wettest since:
2020
Mar 1966–Feb 1970
48-Month
117.10"
(2,974.34mm)
119.77"
(3,042.16mm)
-2.67"
(-67.82mm)
42nd Driest
Driest since:
1957
84th Wettest
Wettest since:
2019
Mar 1965–Feb 1970
60-Month
147.10"
(3,736.34mm)
149.63"
(3,800.60mm)
-2.53"
(-64.26mm)
42nd Driest
Driest since:
1957
83rd Wettest
Wettest since:
2020

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