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, July 2004

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
July 2004
1-Month
3.05"
(77.47mm)
2.78"
(70.61mm)
0.27"
(6.86mm)
101st Driest
Driest since:
1930
28th Wettest
Wettest since:
1950, 1958
Ties: 1945
Jun–Jul 2004
2-Month
6.56"
(166.62mm)
5.70"
(144.78mm)
0.86"
(21.84mm)
116th Driest
Driest since:
1930
13th Wettest
Wettest since:
1928
May–Jul 2004
3-Month
9.90"
(251.46mm)
8.62"
(218.95mm)
1.28"
(32.51mm)
117th Driest
Driest since:
1988
12th Wettest
Wettest since:
2015
Apr–Jul 2004
4-Month
12.40"
(314.96mm)
11.13"
(282.70mm)
1.27"
(32.26mm)
113th Driest
Driest since:
1934
16th Wettest
Wettest since:
2015
Mar–Jul 2004
5-Month
14.41"
(366.01mm)
13.64"
(346.46mm)
0.77"
(19.55mm)
88th Driest
Driest since:
1936
41st Wettest
Wettest since:
1973
Feb–Jul 2004
6-Month
16.86"
(428.24mm)
15.78"
(400.81mm)
1.08"
(27.43mm)
99th Driest
Driest since:
1934
30th Wettest
Wettest since:
2019
Ties: 2018
Jan–Jul 2004
7-Month
18.83"
(478.28mm)
18.09"
(459.49mm)
0.74"
(18.79mm)
88th Driest
Driest since:
1934
41st Wettest
Wettest since:
2019
Ties: 1929
Dec 2003–Jul 2004
8-Month
21.21"
(538.73mm)
20.44"
(519.18mm)
0.77"
(19.55mm)
83rd Driest
Driest since:
1931
45th Wettest
Wettest since:
2019
Nov 2003–Jul 2004
9-Month
23.76"
(603.50mm)
22.66"
(575.56mm)
1.10"
(27.94mm)
88th Driest
Driest since:
1934
40th Wettest
Wettest since:
2019
Oct 2003–Jul 2004
10-Month
25.59"
(649.99mm)
24.83"
(630.68mm)
0.76"
(19.31mm)
76th Driest
Driest since:
1934
52nd Wettest
Wettest since:
2019
Sep 2003–Jul 2004
11-Month
28.41"
(721.61mm)
27.33"
(694.18mm)
1.08"
(27.43mm)
86th Driest
Driest since:
1934
42nd Wettest
Wettest since:
2019
Aug 2003–Jul 2004
12-Month
30.97"
(786.64mm)
29.95"
(760.73mm)
1.02"
(25.91mm)
83rd Driest
Driest since:
1918
45th Wettest
Wettest since:
2019
Feb 2003–Jul 2004
18-Month
48.01"
(1,219.45mm)
45.74"
(1,161.80mm)
2.27"
(57.65mm)
95th Driest
Driest since:
1931
33rd Wettest
Wettest since:
2019
Aug 2002–Jul 2004
24-Month
62.41"
(1,585.21mm)
59.92"
(1,521.97mm)
2.49"
(63.24mm)
91st Driest
Driest since:
1918
36th Wettest
Wettest since:
2020
Aug 2001–Jul 2004
36-Month
90.06"
(2,287.52mm)
89.88"
(2,282.95mm)
0.18"
(4.57mm)
61st Driest
Driest since:
1956
65th Wettest
Wettest since:
2019
Aug 2000–Jul 2004
48-Month
118.20"
(3,002.28mm)
119.78"
(3,042.41mm)
-1.58"
(-40.13mm)
46th Driest
Driest since:
1956
79th Wettest
Wettest since:
2019
Aug 1999–Jul 2004
60-Month
145.19"
(3,687.83mm)
149.64"
(3,800.86mm)
-4.45"
(-113.03mm)
27th Driest
Driest since:
1934
97th Wettest
Wettest since:
2019

Citing This Page