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 March 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, September 1966

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1966
1-Month
2.44"
(61.98mm)
2.49"
(63.25mm)
-0.05"
(-1.27mm)
51st Driest Driest since: 1963 1956
76th Wettest Wettest since: 1965 1986
Ties: 1918, 1920, 1978, 2020
Aug–Sep 1966
2-Month
5.55"
(140.97mm)
5.11"
(129.79mm)
0.44"
(11.18mm)
100th Driest Driest since: 1964 1956
27th Wettest Wettest since: 1965 1977
Ties: 1901
Jul–Sep 1966
3-Month
7.96"
(202.18mm)
7.88"
(200.15mm)
0.08"
(2.03mm)
72nd Driest Driest since: 1963 1930
55th Wettest Wettest since: 1965 1915
Ties: 1968, 1978
Jun–Sep 1966
4-Month
10.20"
(259.08mm)
10.81"
(274.57mm)
-0.61"
(-15.49mm)
30th Driest Driest since: 1963 1930
97th Wettest Wettest since: 1965 1915
May–Sep 1966
5-Month
12.44"
(315.98mm)
13.72"
(348.49mm)
-1.28"
(-32.51mm)
18th Driest Driest since: 1956 1956
109th Wettest Wettest since: 1965 1915
Apr–Sep 1966
6-Month
14.93"
(379.22mm)
16.24"
(412.50mm)
-1.31"
(-33.28mm)
19th Driest Driest since: 1963 1956
108th Wettest Wettest since: 1965 1915
Ties: 1895
Mar–Sep 1966
7-Month
16.54"
(420.12mm)
18.75"
(476.25mm)
-2.21"
(-56.13mm)
11th Driest Driest since: 1956 1956
116th Wettest Wettest since: 1965 1973
Feb–Sep 1966
8-Month
18.88"
(479.55mm)
20.88"
(530.35mm)
-2.00"
(-50.80mm)
13th Driest Driest since: 1956 1930
114th Wettest Wettest since: 1965 2019
Jan–Sep 1966
9-Month
21.24"
(539.50mm)
23.20"
(589.28mm)
-1.96"
(-49.78mm)
15th Driest Driest since: 1963 1934
112th Wettest Wettest since: 1965 2019
Dec 1965–Sep 1966
10-Month
23.40"
(594.36mm)
25.54"
(648.72mm)
-2.14"
(-54.36mm)
14th Driest Driest since: 1963 1931
112th Wettest Wettest since: 1965 2019
Nov 1965–Sep 1966
11-Month
25.40"
(645.16mm)
27.77"
(705.36mm)
-2.37"
(-60.20mm)
16th Driest Driest since: 1963 1934
110th Wettest Wettest since: 1965 2019
Oct 1965–Sep 1966
12-Month
26.85"
(681.99mm)
29.94"
(760.48mm)
-3.09"
(-78.49mm)
13th Driest Driest since: 1963 1934
113th Wettest Wettest since: 1965 2019
Apr 1965–Sep 1966
18-Month
44.38"
(1,127.25mm)
46.20"
(1,173.48mm)
-1.82"
(-46.23mm)
34th Driest Driest since: 1964 1931
92nd Wettest Wettest since: 1965 2019
Oct 1964–Sep 1966
24-Month
58.11"
(1,475.99mm)
59.92"
(1,521.97mm)
-1.81"
(-45.98mm)
35th Driest Driest since: 1964 1918
90th Wettest Wettest since: 1965 2020
Oct 1963–Sep 1966
36-Month
86.40"
(2,194.56mm)
89.87"
(2,282.70mm)
-3.47"
(-88.14mm)
25th Driest Driest since: 1965 1956
99th Wettest Wettest since: 1963 2019
Oct 1962–Sep 1966
48-Month
112.96"
(2,869.18mm)
119.78"
(3,042.41mm)
-6.82"
(-173.23mm)
11th Driest Driest since: 1957 1956
112th Wettest Wettest since: 1965 2019
Oct 1961–Sep 1966
60-Month
142.66"
(3,623.56mm)
149.66"
(3,801.36mm)
-7.00"
(-177.80mm)
11th Driest Driest since: 1957 1956
111th Wettest Wettest since: 1965 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published April 2021, retrieved on April 15, 2021 from https://www.ncdc.noaa.gov/cag/