National Rankings

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, April 2016

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
April 2016 1-Month	3.00" (76.20mm)	2.52" (64.01mm)	0.48" (12.19mm)	109th Driest	Driest since: 2015	1987
April 2016 1-Month	3.00" (76.20mm)	2.52" (64.01mm)	0.48" (12.19mm)	21st Wettest	Wettest since: 2011	1957
Mar–Apr 2016 2-Month	5.92" (150.37mm)	5.03" (127.76mm)	0.89" (22.61mm)	114th Driest	Driest since: 2015	1910
Mar–Apr 2016 2-Month	5.92" (150.37mm)	5.03" (127.76mm)	0.89" (22.61mm)	16th Wettest	Wettest since: 2011	1973
Feb–Apr 2016 3-Month	7.85" (199.39mm)	7.16" (181.86mm)	0.69" (17.53mm)	103rd Driest	Driest since: 2015	1910
Feb–Apr 2016 3-Month	7.85" (199.39mm)	7.16" (181.86mm)	0.69" (17.53mm)	27th Wettest	Wettest since: 2011	1983
Jan–Apr 2016 4-Month	9.89" (251.21mm)	9.48" (240.79mm)	0.41" (10.42mm)	87th Driest	Driest since: 2015	1910
Jan–Apr 2016 4-Month	9.89" (251.21mm)	9.48" (240.79mm)	0.41" (10.42mm)	43rd Wettest	Wettest since: 2011	1998
Dec 2015–Apr 2016 5-Month	13.95" (354.33mm)	11.82" (300.23mm)	2.13" (54.10mm)	122nd Driest	Driest since: 2015	1931
Dec 2015–Apr 2016 5-Month	13.95" (354.33mm)	11.82" (300.23mm)	2.13" (54.10mm)	7th Wettest	Wettest since: 1998	1983
Nov 2015–Apr 2016 6-Month	17.30" (439.42mm)	14.05" (356.87mm)	3.25" (82.55mm)	126th Driest	Driest since: 2015	1977
Nov 2015–Apr 2016 6-Month	17.30" (439.42mm)	14.05" (356.87mm)	3.25" (82.55mm)	3rd Wettest	Wettest since: 1983	1983
Oct 2015–Apr 2016 7-Month	20.20" (513.08mm)	16.22" (411.99mm)	3.98" (101.09mm)	125th Driest	Driest since: 2015	1981
Oct 2015–Apr 2016 7-Month	20.20" (513.08mm)	16.22" (411.99mm)	3.98" (101.09mm)	4th Wettest	Wettest since: 1983	1983
Sep 2015–Apr 2016 8-Month	22.32" (566.93mm)	18.71" (475.23mm)	3.61" (91.70mm)	124th Driest	Driest since: 2015	1918
Sep 2015–Apr 2016 8-Month	22.32" (566.93mm)	18.71" (475.23mm)	3.61" (91.70mm)	5th Wettest	Wettest since: 1997	2019
Aug 2015–Apr 2016 9-Month	24.73" (628.14mm)	21.33" (541.78mm)	3.40" (86.36mm)	123rd Driest	Driest since: 2015	1918
Aug 2015–Apr 2016 9-Month	24.73" (628.14mm)	21.33" (541.78mm)	3.40" (86.36mm)	6th Wettest	Wettest since: 1998	2019
Jul 2015–Apr 2016 10-Month	27.96" (710.18mm)	24.12" (612.65mm)	3.84" (97.53mm)	124th Driest	Driest since: 2015	1931
Jul 2015–Apr 2016 10-Month	27.96" (710.18mm)	24.12" (612.65mm)	3.84" (97.53mm)	5th Wettest	Wettest since: 1997	2019
Jun 2015–Apr 2016 11-Month	31.51" (800.35mm)	27.04" (686.82mm)	4.47" (113.53mm)	125th Driest	Driest since: 2015	1931
Jun 2015–Apr 2016 11-Month	31.51" (800.35mm)	27.04" (686.82mm)	4.47" (113.53mm)	4th Wettest	Wettest since: 1983	2019
May 2015–Apr 2016 12-Month	35.95" (913.13mm)	29.95" (760.73mm)	6.00" (152.40mm)	127th Driest	Driest since: 2015	1918
May 2015–Apr 2016 12-Month	35.95" (913.13mm)	29.95" (760.73mm)	6.00" (152.40mm)	2nd Wettest	Wettest to Date	2019
Nov 2014–Apr 2016 18-Month	49.19" (1,249.43mm)	44.02" (1,118.11mm)	5.17" (131.32mm)	121st Driest	Driest since: 2015	1931
Nov 2014–Apr 2016 18-Month	49.19" (1,249.43mm)	44.02" (1,118.11mm)	5.17" (131.32mm)	7th Wettest	Wettest since: 1998	2020
May 2014–Apr 2016 24-Month	66.46" (1,688.08mm)	59.92" (1,521.97mm)	6.54" (166.11mm)	120th Driest	Driest since: 2015	1955
May 2014–Apr 2016 24-Month	66.46" (1,688.08mm)	59.92" (1,521.97mm)	6.54" (166.11mm)	8th Wettest	Wettest since: 1998	2020
May 2013–Apr 2016 36-Month	97.38" (2,473.45mm)	89.88" (2,282.95mm)	7.50" (190.50mm)	114th Driest	Driest since: 2015	1955
May 2013–Apr 2016 36-Month	97.38" (2,473.45mm)	89.88" (2,282.95mm)	7.50" (190.50mm)	13th Wettest	Wettest since: 1999	2020
May 2012–Apr 2016 48-Month	124.88" (3,171.95mm)	119.77" (3,042.16mm)	5.11" (129.79mm)	103rd Driest	Driest since: 2015	1956
May 2012–Apr 2016 48-Month	124.88" (3,171.95mm)	119.77" (3,042.16mm)	5.11" (129.79mm)	23rd Wettest	Wettest since: 2011	2019
May 2011–Apr 2016 60-Month	154.06" (3,913.12mm)	149.63" (3,800.60mm)	4.43" (112.52mm)	93rd Driest	Driest since: 2015	1957
May 2011–Apr 2016 60-Month	154.06" (3,913.12mm)	149.63" (3,800.60mm)	4.43" (112.52mm)	32nd Wettest	Wettest since: 2012	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2023, retrieved on June 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings