Climate at a Glance

National Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of January 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, September 1975

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1975
1-Month
2.66"
(67.56mm)
2.49"
(63.25mm)
0.17"
(4.31mm)
81st Driest Driest since: 1969 1956
46th Wettest Wettest since: 1974 1986
Aug–Sep 1975
2-Month
5.49"
(139.45mm)
5.11"
(129.79mm)
0.38"
(9.66mm)
95th Driest Driest since: 1972 1956
32nd Wettest Wettest since: 1974 1977
Jul–Sep 1975
3-Month
8.46"
(214.88mm)
7.88"
(200.15mm)
0.58"
(14.73mm)
96th Driest Driest since: 1974 1930
31st Wettest Wettest since: 1973 1915
Jun–Sep 1975
4-Month
11.77"
(298.96mm)
10.81"
(274.57mm)
0.96"
(24.39mm)
104th Driest Driest since: 1974 1930
23rd Wettest Wettest since: 1965 1915
May–Sep 1975
5-Month
15.05"
(382.27mm)
13.72"
(348.49mm)
1.33"
(33.78mm)
110th Driest Driest since: 1974 1956
17th Wettest Wettest since: 1957 1915
Apr–Sep 1975
6-Month
17.72"
(450.09mm)
16.24"
(412.50mm)
1.48"
(37.59mm)
105th Driest Driest since: 1974 1956
22nd Wettest Wettest since: 1973 1915
Ties: 1923
Mar–Sep 1975
7-Month
21.12"
(536.45mm)
18.75"
(476.25mm)
2.37"
(60.20mm)
120th Driest Driest since: 1974 1956
7th Wettest Wettest since: 1973 1973
Feb–Sep 1975
8-Month
23.73"
(602.74mm)
20.88"
(530.35mm)
2.85"
(72.39mm)
122nd Driest Driest since: 1974 1930
5th Wettest Wettest since: 1973 2019
Jan–Sep 1975
9-Month
26.34"
(669.04mm)
23.20"
(589.28mm)
3.14"
(79.76mm)
122nd Driest Driest since: 1974 1934
5th Wettest Wettest to Date 2019
Dec 1974–Sep 1975
10-Month
28.76"
(730.50mm)
25.54"
(648.72mm)
3.22"
(81.78mm)
120th Driest Driest since: 1974 1931
6th Wettest Wettest since: 1973 2019
Nov 1974–Sep 1975
11-Month
30.94"
(785.88mm)
27.77"
(705.36mm)
3.17"
(80.52mm)
117th Driest Driest since: 1974 1934
9th Wettest Wettest since: 1973 2019
Oct 1974–Sep 1975
12-Month
32.95"
(836.93mm)
29.94"
(760.48mm)
3.01"
(76.45mm)
114th Driest Driest since: 1974 1934
12th Wettest Wettest since: 1973 2019
Apr 1974–Sep 1975
18-Month
49.50"
(1,257.30mm)
46.20"
(1,173.48mm)
3.30"
(83.82mm)
109th Driest Driest since: 1972 1931
17th Wettest Wettest since: 1974 2019
Oct 1973–Sep 1975
24-Month
65.59"
(1,665.99mm)
59.92"
(1,521.97mm)
5.67"
(144.02mm)
114th Driest Driest since: 1972 1918
11th Wettest Wettest since: 1974 2020
Oct 1972–Sep 1975
36-Month
100.74"
(2,558.80mm)
89.87"
(2,282.70mm)
10.87"
(276.10mm)
122nd Driest Driest since: 1974 1956
2nd Wettest Wettest to Date 2019
Oct 1971–Sep 1975
48-Month
131.58"
(3,342.13mm)
119.78"
(3,042.41mm)
11.80"
(299.72mm)
119th Driest Driest since: 1974 1956
4th Wettest Wettest to Date 2019
Oct 1970–Sep 1975
60-Month
161.25"
(4,095.75mm)
149.66"
(3,801.36mm)
11.59"
(294.39mm)
116th Driest Driest since: 1974 1956
6th Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published February 2021, retrieved on March 2, 2021 from https://www.ncdc.noaa.gov/cag/