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 1999

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
April 1999
1-Month
2.87"
(72.90mm)
2.52"
(64.01mm)
0.35"
(8.89mm)
97th Driest Driest since: 1998 1987
30th Wettest Wettest since: 1997 1957
Mar–Apr 1999
2-Month
5.06"
(128.52mm)
5.03"
(127.76mm)
0.03"
(0.76mm)
71st Driest Driest since: 1996 1910
56th Wettest Wettest since: 1998 1973
Ties: 2008
Feb–Apr 1999
3-Month
6.98"
(177.29mm)
7.16"
(181.86mm)
-0.18"
(-4.57mm)
65th Driest Driest since: 1996 1910
62nd Wettest Wettest since: 1998 1983
Jan–Apr 1999
4-Month
10.11"
(256.79mm)
9.47"
(240.54mm)
0.64"
(16.25mm)
95th Driest Driest since: 1996 1910
32nd Wettest Wettest since: 1998 1998
Ties: 1909, 1964
Dec 1998–Apr 1999
5-Month
12.19"
(309.63mm)
11.82"
(300.23mm)
0.37"
(9.40mm)
80th Driest Driest since: 1996 1931
46th Wettest Wettest since: 1998 1983
Ties: 1908
Nov 1998–Apr 1999
6-Month
14.82"
(376.43mm)
14.05"
(356.87mm)
0.77"
(19.56mm)
93rd Driest Driest since: 1996 1977
33rd Wettest Wettest since: 1998 1983
Oct 1998–Apr 1999
7-Month
17.79"
(451.87mm)
16.22"
(411.99mm)
1.57"
(39.88mm)
102nd Driest Driest since: 1996 1981
24th Wettest Wettest since: 1998 1983
Sep 1998–Apr 1999
8-Month
20.30"
(515.62mm)
18.71"
(475.23mm)
1.59"
(40.39mm)
102nd Driest Driest since: 1996 1918
24th Wettest Wettest since: 1998 2019
Ties: 1920
Aug 1998–Apr 1999
9-Month
22.72"
(577.09mm)
21.33"
(541.78mm)
1.39"
(35.31mm)
98th Driest Driest since: 1996 1918
28th Wettest Wettest since: 1998 2019
Ties: 1897
Jul 1998–Apr 1999
10-Month
25.58"
(649.73mm)
24.12"
(612.65mm)
1.46"
(37.08mm)
97th Driest Driest since: 1996 1931
29th Wettest Wettest since: 1998 2019
Jun 1998–Apr 1999
11-Month
28.90"
(734.06mm)
27.04"
(686.82mm)
1.86"
(47.24mm)
102nd Driest Driest since: 1996 1931
24th Wettest Wettest since: 1998 2019
May 1998–Apr 1999
12-Month
31.52"
(800.61mm)
29.95"
(760.73mm)
1.57"
(39.88mm)
94th Driest Driest since: 1994 1918
32nd Wettest Wettest since: 1998 2019
Ties: 1987
Nov 1997–Apr 1999
18-Month
48.60"
(1,234.44mm)
44.02"
(1,118.11mm)
4.58"
(116.33mm)
114th Driest Driest since: 1996 1931
11th Wettest Wettest since: 1998 2020
May 1997–Apr 1999
24-Month
65.23"
(1,656.84mm)
59.92"
(1,521.97mm)
5.31"
(134.87mm)
114th Driest Driest since: 1996 1955
11th Wettest Wettest since: 1998 2020
May 1996–Apr 1999
36-Month
100.05"
(2,541.27mm)
89.88"
(2,282.95mm)
10.17"
(258.32mm)
120th Driest Driest since: 1997 1955
4th Wettest Wettest since: 1998 2020
Ties: 1975
May 1995–Apr 1999
48-Month
131.65"
(3,343.91mm)
119.77"
(3,042.16mm)
11.88"
(301.75mm)
119th Driest Driest since: 1997 1956
4th Wettest Wettest since: 1998 2019
May 1994–Apr 1999
60-Month
163.30"
(4,147.82mm)
149.63"
(3,800.60mm)
13.67"
(347.22mm)
119th Driest Driest since: 1998 1957
3rd Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2020, retrieved on September 29, 2020 from https://www.ncdc.noaa.gov/cag/