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 December 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, September 1984

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1984
1-Month
1.91"
(48.51mm)
2.49"
(63.25mm)
-0.58"
(-14.74mm)
12th Driest Driest since: 1956 1956
115th Wettest Wettest since: 1983 1986
Aug–Sep 1984
2-Month
4.34"
(110.24mm)
5.11"
(129.79mm)
-0.77"
(-19.55mm)
13th Driest Driest since: 1956 1956
114th Wettest Wettest since: 1983 1977
Jul–Sep 1984
3-Month
7.17"
(182.12mm)
7.88"
(200.15mm)
-0.71"
(-18.03mm)
19th Driest Driest since: 1983 1930
108th Wettest Wettest since: 1982 1915
Ties: 1937
Jun–Sep 1984
4-Month
10.10"
(256.54mm)
10.81"
(274.57mm)
-0.71"
(-18.03mm)
27th Driest Driest since: 1983 1930
100th Wettest Wettest since: 1982 1915
May–Sep 1984
5-Month
13.25"
(336.55mm)
13.72"
(348.49mm)
-0.47"
(-11.94mm)
43rd Driest Driest since: 1983 1956
84th Wettest Wettest since: 1982 1915
Apr–Sep 1984
6-Month
16.20"
(411.48mm)
16.24"
(412.50mm)
-0.04"
(-1.02mm)
60th Driest Driest since: 1980 1956
67th Wettest Wettest since: 1983 1915
Mar–Sep 1984
7-Month
18.95"
(481.33mm)
18.75"
(476.25mm)
0.20"
(5.08mm)
65th Driest Driest since: 1980 1956
62nd Wettest Wettest since: 1983 1973
Ties: 1978
Feb–Sep 1984
8-Month
21.06"
(534.92mm)
20.88"
(530.35mm)
0.18"
(4.57mm)
66th Driest Driest since: 1980 1930
61st Wettest Wettest since: 1983 2019
Ties: 1951
Jan–Sep 1984
9-Month
22.41"
(569.21mm)
23.20"
(589.28mm)
-0.79"
(-20.07mm)
37th Driest Driest since: 1976 1934
90th Wettest Wettest since: 1983 2019
Dec 1983–Sep 1984
10-Month
25.85"
(656.59mm)
25.54"
(648.72mm)
0.31"
(7.87mm)
66th Driest Driest since: 1981 1931
60th Wettest Wettest since: 1983 2019
Nov 1983–Sep 1984
11-Month
29.77"
(756.16mm)
27.77"
(705.36mm)
2.00"
(50.80mm)
101st Driest Driest since: 1982 1934
25th Wettest Wettest since: 1983 2019
Oct 1983–Sep 1984
12-Month
32.38"
(822.45mm)
29.94"
(760.48mm)
2.44"
(61.97mm)
109th Driest Driest since: 1982 1934
17th Wettest Wettest since: 1983 2019
Apr 1983–Sep 1984
18-Month
48.71"
(1,237.23mm)
46.20"
(1,173.48mm)
2.51"
(63.75mm)
98th Driest Driest since: 1981 1931
28th Wettest Wettest since: 1983 2019
Ties: 1946
Oct 1982–Sep 1984
24-Month
66.25"
(1,682.75mm)
59.92"
(1,521.97mm)
6.33"
(160.78mm)
118th Driest Driest since: 1983 1918
7th Wettest Wettest since: 1974 2020
Oct 1981–Sep 1984
36-Month
98.55"
(2,503.17mm)
89.87"
(2,282.70mm)
8.68"
(220.47mm)
115th Driest Driest since: 1983 1956
9th Wettest Wettest since: 1975 2019
Oct 1980–Sep 1984
48-Month
126.19"
(3,205.23mm)
119.78"
(3,042.41mm)
6.41"
(162.82mm)
105th Driest Driest since: 1983 1956
18th Wettest Wettest since: 1976 2019
Oct 1979–Sep 1984
60-Month
155.66"
(3,953.76mm)
149.66"
(3,801.36mm)
6.00"
(152.40mm)
100th Driest Driest since: 1982 1956
22nd Wettest Wettest since: 1983 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published January 2021, retrieved on January 24, 2021 from https://www.ncdc.noaa.gov/cag/