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, December 1949

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
December 1949 1-Month	2.22" (56.39mm)	2.35" (59.69mm)	-0.13" (-3.30mm)	49th Driest	Driest since: 1947	1930
	2.22" (56.39mm)	2.35" (59.69mm)	-0.13" (-3.30mm)	80th Wettest	Wettest since: 1948	2015
	Ties: 1959, 1970
Nov–Dec 1949 2-Month	3.41" (86.61mm)	4.58" (116.33mm)	-1.17" (-29.72mm)	13th Driest	Driest since: 1943	1976
Nov–Dec 1949 2-Month	3.41" (86.61mm)	4.58" (116.33mm)	-1.17" (-29.72mm)	116th Wettest	Wettest since: 1948	2015
Oct–Dec 1949 3-Month	6.21" (157.73mm)	6.74" (171.20mm)	-0.53" (-13.47mm)	37th Driest	Driest since: 1944	1917
Oct–Dec 1949 3-Month	6.21" (157.73mm)	6.74" (171.20mm)	-0.53" (-13.47mm)	92nd Wettest	Wettest since: 1948	2015
Sep–Dec 1949 4-Month	8.43" (214.12mm)	9.23" (234.44mm)	-0.80" (-20.32mm)	32nd Driest	Driest since: 1943	1939
Sep–Dec 1949 4-Month	8.43" (214.12mm)	9.23" (234.44mm)	-0.80" (-20.32mm)	97th Wettest	Wettest since: 1948	2018
Aug–Dec 1949 5-Month	10.92" (277.37mm)	11.85" (300.99mm)	-0.93" (-23.62mm)	30th Driest	Driest since: 1943	1917
Aug–Dec 1949 5-Month	10.92" (277.37mm)	11.85" (300.99mm)	-0.93" (-23.62mm)	99th Wettest	Wettest since: 1948	2018
Jul–Dec 1949 6-Month	14.00" (355.60mm)	14.62" (371.35mm)	-0.62" (-15.75mm)	38th Driest	Driest since: 1947	1917
Jul–Dec 1949 6-Month	14.00" (355.60mm)	14.62" (371.35mm)	-0.62" (-15.75mm)	91st Wettest	Wettest since: 1948	2018
Jun–Dec 1949 7-Month	17.20" (436.88mm)	17.55" (445.77mm)	-0.35" (-8.89mm)	47th Driest	Driest since: 1944	1917
Jun–Dec 1949 7-Month	17.20" (436.88mm)	17.55" (445.77mm)	-0.35" (-8.89mm)	82nd Wettest	Wettest since: 1948	2018
May–Dec 1949 8-Month	20.18" (512.57mm)	20.46" (519.68mm)	-0.28" (-7.11mm)	50th Driest	Driest since: 1944	1917
May–Dec 1949 8-Month	20.18" (512.57mm)	20.46" (519.68mm)	-0.28" (-7.11mm)	79th Wettest	Wettest since: 1948	2015
Apr–Dec 1949 9-Month	22.27" (565.66mm)	22.98" (583.69mm)	-0.71" (-18.03mm)	39th Driest	Driest since: 1943	1956
Apr–Dec 1949 9-Month	22.27" (565.66mm)	22.98" (583.69mm)	-0.71" (-18.03mm)	90th Wettest	Wettest since: 1948	2015
Mar–Dec 1949 10-Month	24.74" (628.40mm)	25.49" (647.45mm)	-0.75" (-19.05mm)	38th Driest	Driest since: 1943	1956
Mar–Dec 1949 10-Month	24.74" (628.40mm)	25.49" (647.45mm)	-0.75" (-19.05mm)	91st Wettest	Wettest since: 1948	2015
Feb–Dec 1949 11-Month	27.14" (689.36mm)	27.62" (701.55mm)	-0.48" (-12.19mm)	47th Driest	Driest since: 1947	1910
	27.14" (689.36mm)	27.62" (701.55mm)	-0.48" (-12.19mm)	82nd Wettest	Wettest since: 1948	2018
	Ties: 1898
Jan–Dec 1949 12-Month	30.30" (769.62mm)	29.94" (760.48mm)	0.36" (9.14mm)	65th Driest	Driest since: 1947	1910
Jan–Dec 1949 12-Month	30.30" (769.62mm)	29.94" (760.48mm)	0.36" (9.14mm)	64th Wettest	Wettest since: 1948	1973
Jul 1948–Dec 1949 18-Month	44.93" (1,141.22mm)	44.58" (1,132.33mm)	0.35" (8.89mm)	67th Driest	Driest since: 1948	1954
Jul 1948–Dec 1949 18-Month	44.93" (1,141.22mm)	44.58" (1,132.33mm)	0.35" (8.89mm)	61st Wettest	Wettest since: 1946	2019
Jan 1948–Dec 1949 24-Month	60.99" (1,549.15mm)	59.90" (1,521.46mm)	1.09" (27.69mm)	78th Driest	Driest since: 1948	1931
	60.99" (1,549.15mm)	59.90" (1,521.46mm)	1.09" (27.69mm)	50th Wettest	Wettest since: 1946	2019
	Ties: 1909
Jan 1947–Dec 1949 36-Month	90.34" (2,294.64mm)	89.86" (2,282.44mm)	0.48" (12.20mm)	66th Driest	Driest since: 1944	1956
Jan 1947–Dec 1949 36-Month	90.34" (2,294.64mm)	89.86" (2,282.44mm)	0.48" (12.20mm)	61st Wettest	Wettest since: 1948	2019
Jan 1946–Dec 1949 48-Month	121.43" (3,084.32mm)	119.78" (3,042.41mm)	1.65" (41.91mm)	74th Driest	Driest since: 1943	1956
Jan 1946–Dec 1949 48-Month	121.43" (3,084.32mm)	119.78" (3,042.41mm)	1.65" (41.91mm)	52nd Wettest	Wettest since: 1948	2019
Jan 1945–Dec 1949 60-Month	154.46" (3,923.28mm)	149.68" (3,801.87mm)	4.78" (121.41mm)	94th Driest	Driest since: 1947	1956
Jan 1945–Dec 1949 60-Month	154.46" (3,923.28mm)	149.68" (3,801.87mm)	4.78" (121.41mm)	31st Wettest	Wettest since: 1948	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings