National Rankings

National Data Info
Please note, 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.

July 1973 Precipitation Rankings

View Period (Months):
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2025)
Driest/Wettest
Since
Record
July 1973
1-Month
2.95in
(74.93mm)
2.78in
(70.61mm)
0.17in91st Driest
Driest since:
1930
40th Wettest
Wettest since:
1950, 1958
Jun–Jul 1973
2-Month
6.00in
(152.40mm)
5.70in
(144.78mm)
0.30in89th Driest
Driest since:
1930
42nd Wettest
Wettest since:
1928
Ties: 1919, 1923
May–Jul 1973
3-Month
9.02in
(229.11mm)
8.61in
(218.69mm)
0.41in82nd Driest
Driest since:
1988
49th Wettest
Wettest since:
2015
Apr–Jul 1973
4-Month
12.35in
(313.69mm)
11.13in
(282.70mm)
1.22in112th Driest
Driest since:
1934
19th Wettest
Wettest since:
2015
Mar–Jul 1973
5-Month
16.35in
(415.29mm)
13.63in
(346.20mm)
2.72in130th Driest
Driest since:
1934, 1936
1st WettestWettest to Date1973
Feb–Jul 1973
6-Month
18.31in
(465.07mm)
15.77in
(400.56mm)
2.54in127th Driest
Driest since:
1934
4th Wettest
Wettest since:
2019
Jan–Jul 1973
7-Month
20.79in
(528.07mm)
18.08in
(459.23mm)
2.71in124th Driest
Driest since:
1934
7th Wettest
Wettest since:
2019
Dec 1972–Jul 1973
8-Month
23.81in
(604.77mm)
20.42in
(518.67mm)
3.39in127th Driest
Driest since:
1931
3rd WettestWettest to Date2019
Nov 1972–Jul 1973
9-Month
26.86in
(682.24mm)
22.65in
(575.31mm)
4.21in126th Driest
Driest since:
1934
4th WettestWettest to Date2019
Oct 1972–Jul 1973
10-Month
29.61in
(752.09mm)
24.82in
(630.43mm)
4.79in128th Driest
Driest since:
1934
2nd WettestWettest to Date2019
Sep 1972–Jul 1973
11-Month
32.35in
(821.69mm)
27.31in
(693.67mm)
5.04in128th Driest
Driest since:
1934
2nd WettestWettest to Date2019
Aug 1972–Jul 1973
12-Month
34.98in
(888.49mm)
29.93in
(760.22mm)
5.05in128th Driest
Driest since:
1918
2nd WettestWettest to Date2019
Feb 1972–Jul 1973
18-Month
50.15in
(1,273.81mm)
45.72in4.43in119th Driest
Driest since:
1931
11th Wettest
Wettest since:
2019
Aug 1971–Jul 1973
24-Month
66.01in
(1,676.65mm)
59.89in6.12in121st Driest
Driest since:
1918
8th WettestWettest to Date2020
Aug 1970–Jul 1973
36-Month
95.53in
(2,426.46mm)
89.83in5.70in112th Driest
Driest since:
1956
16th WettestWettest to Date2019
Aug 1969–Jul 1973
48-Month
124.30in
(3,157.22mm)
119.71in4.59in100th Driest
Driest since:
1956
27th Wettest
Wettest since:
2019
Aug 1968–Jul 1973
60-Month
155.97in
(3,961.64mm)
149.56in6.41in101st Driest
Driest since:
1934
25th WettestWettest to Date2019

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