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


Contiguous U.S.

Precipitation Rankings, April 1977

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
April 1977
1-Month
2.27"
(57.66mm)
2.52"
(64.01mm)
-0.25"
(-6.35mm)
39th Driest Driest since: 1972 1987
88th Wettest Wettest since: 1976 1957
Mar–Apr 1977
2-Month
5.37"
(136.40mm)
5.03"
(127.76mm)
0.34"
(8.64mm)
90th Driest Driest since: 1976 1910
37th Wettest Wettest since: 1975 1973
Feb–Apr 1977
3-Month
6.60"
(167.64mm)
7.16"
(181.86mm)
-0.56"
(-14.22mm)
32nd Driest Driest since: 1972 1910
95th Wettest Wettest since: 1976 1983
Ties: 1915
Jan–Apr 1977
4-Month
8.18"
(207.77mm)
9.48"
(240.79mm)
-1.30"
(-33.02mm)
11th Driest Driest since: 1967 1910
116th Wettest Wettest since: 1976 1998
Ties: 2002
Dec 1976–Apr 1977
5-Month
9.54"
(242.32mm)
11.82"
(300.23mm)
-2.28"
(-57.91mm)
3rd Driest Driest since: 1931 1931
123rd Wettest Wettest since: 1976 1983
Nov 1976–Apr 1977
6-Month
10.65"
(270.51mm)
14.05"
(356.87mm)
-3.40"
(-86.36mm)
1st Driest Driest to Date 1977
125th Wettest Wettest since: 1976 1983
Oct 1976–Apr 1977
7-Month
13.09"
(332.49mm)
16.22"
(411.99mm)
-3.13"
(-79.50mm)
4th Driest Driest since: 1934 1981
122nd Wettest Wettest since: 1976 1983
Sep 1976–Apr 1977
8-Month
15.54"
(394.72mm)
18.71"
(475.23mm)
-3.17"
(-80.51mm)
3rd Driest Driest since: 1934 1918
123rd Wettest Wettest since: 1976 2019
Ties: 1981
Aug 1976–Apr 1977
9-Month
17.54"
(445.52mm)
21.33"
(541.78mm)
-3.79"
(-96.26mm)
2nd Driest Driest since: 1918 1918
124th Wettest Wettest since: 1976 2019
Jul 1976–Apr 1977
10-Month
20.28"
(515.11mm)
24.12"
(612.65mm)
-3.84"
(-97.54mm)
4th Driest Driest since: 1931 1931
122nd Wettest Wettest since: 1976 2019
Jun 1976–Apr 1977
11-Month
23.05"
(585.47mm)
27.04"
(686.82mm)
-3.99"
(-101.35mm)
5th Driest Driest since: 1934 1931
121st Wettest Wettest since: 1976 2019
May 1976–Apr 1977
12-Month
25.98"
(659.89mm)
29.95"
(760.73mm)
-3.97"
(-100.84mm)
7th Driest Driest since: 1955 1918
119th Wettest Wettest since: 1976 2019
Nov 1975–Apr 1977
18-Month
38.88"
(987.55mm)
44.02"
(1,118.11mm)
-5.14"
(-130.56mm)
4th Driest Driest since: 1955 1931
121st Wettest Wettest since: 1976 2020
May 1975–Apr 1977
24-Month
56.23"
(1,428.24mm)
59.92"
(1,521.97mm)
-3.69"
(-93.73mm)
18th Driest Driest since: 1964 1955
107th Wettest Wettest since: 1976 2020
May 1974–Apr 1977
36-Month
88.13"
(2,238.50mm)
89.88"
(2,282.95mm)
-1.75"
(-44.45mm)
40th Driest Driest since: 1968 1955
84th Wettest Wettest since: 1976 2020
May 1973–Apr 1977
48-Month
121.33"
(3,081.78mm)
119.77"
(3,042.16mm)
1.56"
(39.62mm)
71st Driest Driest since: 1972 1956
52nd Wettest Wettest since: 1976 2019
May 1972–Apr 1977
60-Month
156.28"
(3,969.51mm)
149.63"
(3,800.60mm)
6.65"
(168.91mm)
103rd Driest Driest since: 1973 1957
19th Wettest Wettest since: 1976 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2020, retrieved on September 30, 2020 from https://www.ncdc.noaa.gov/cag/