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, February 1977

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
February 1977 1-Month	1.23" (31.24mm)	2.13" (54.10mm)	-0.90" (-22.86mm)	2nd Driest	Driest since: 1947	1947
February 1977 1-Month	1.23" (31.24mm)	2.13" (54.10mm)	-0.90" (-22.86mm)	127th Wettest	Wettest since: 1976	1998
Jan–Feb 1977 2-Month	2.81" (71.37mm)	4.45" (113.03mm)	-1.64" (-41.66mm)	1st Driest	Driest since: 1977	1977
Jan–Feb 1977 2-Month	2.81" (71.37mm)	4.45" (113.03mm)	-1.64" (-41.66mm)	128th Wettest	Wettest since: 1976	1998
Dec 1976–Feb 1977 3-Month	4.17" (105.92mm)	6.79" (172.47mm)	-2.62" (-66.55mm)	1st Driest	Driest since: 1977	1977
Dec 1976–Feb 1977 3-Month	4.17" (105.92mm)	6.79" (172.47mm)	-2.62" (-66.55mm)	127th Wettest	Wettest since: 1976	2019
Nov 1976–Feb 1977 4-Month	5.28" (134.11mm)	9.02" (229.11mm)	-3.74" (-95.00mm)	1st Driest	Driest since: 1977	1977
Nov 1976–Feb 1977 4-Month	5.28" (134.11mm)	9.02" (229.11mm)	-3.74" (-95.00mm)	127th Wettest	Wettest since: 1976	2019
Oct 1976–Feb 1977 5-Month	7.72" (196.09mm)	11.19" (284.23mm)	-3.47" (-88.14mm)	1st Driest	Driest since: 1977	1977
Oct 1976–Feb 1977 5-Month	7.72" (196.09mm)	11.19" (284.23mm)	-3.47" (-88.14mm)	127th Wettest	Wettest since: 1976	2019
Sep 1976–Feb 1977 6-Month	10.17" (258.32mm)	13.68" (347.47mm)	-3.51" (-89.15mm)	1st Driest	Driest since: 1977	1977
Sep 1976–Feb 1977 6-Month	10.17" (258.32mm)	13.68" (347.47mm)	-3.51" (-89.15mm)	127th Wettest	Wettest since: 1976	2019
Aug 1976–Feb 1977 7-Month	12.17" (309.12mm)	16.31" (414.27mm)	-4.14" (-105.15mm)	1st Driest	Driest since: 1977	1977
Aug 1976–Feb 1977 7-Month	12.17" (309.12mm)	16.31" (414.27mm)	-4.14" (-105.15mm)	127th Wettest	Wettest since: 1976	2019
Jul 1976–Feb 1977 8-Month	14.91" (378.71mm)	19.09" (484.89mm)	-4.18" (-106.18mm)	1st Driest	Driest since: 1977	1977
Jul 1976–Feb 1977 8-Month	14.91" (378.71mm)	19.09" (484.89mm)	-4.18" (-106.18mm)	127th Wettest	Wettest since: 1976	2019
Jun 1976–Feb 1977 9-Month	17.68" (449.07mm)	22.02" (559.31mm)	-4.34" (-110.24mm)	1st Driest	Driest since: 1931	1918, 1931, 1977
	17.68" (449.07mm)	22.02" (559.31mm)	-4.34" (-110.24mm)	127th Wettest	Wettest since: 1976	2019
	Ties: 1918, 1931
May 1976–Feb 1977 10-Month	20.61" (523.49mm)	24.92" (632.97mm)	-4.31" (-109.48mm)	2nd Driest	Driest since: 1918	1918
May 1976–Feb 1977 10-Month	20.61" (523.49mm)	24.92" (632.97mm)	-4.31" (-109.48mm)	126th Wettest	Wettest since: 1976	2019
Apr 1976–Feb 1977 11-Month	22.90" (581.66mm)	27.45" (697.23mm)	-4.55" (-115.57mm)	3rd Driest	Driest since: 1957	1931
Apr 1976–Feb 1977 11-Month	22.90" (581.66mm)	27.45" (697.23mm)	-4.55" (-115.57mm)	125th Wettest	Wettest since: 1976	2019
Mar 1976–Feb 1977 12-Month	25.47" (646.94mm)	29.96" (760.98mm)	-4.49" (-114.04mm)	4th Driest	Driest since: 1957	1931
Mar 1976–Feb 1977 12-Month	25.47" (646.94mm)	29.96" (760.98mm)	-4.49" (-114.04mm)	124th Wettest	Wettest since: 1976	2019
Sep 1975–Feb 1977 18-Month	38.47" (977.14mm)	43.65" (1,108.71mm)	-5.18" (-131.57mm)	6th Driest	Driest since: 1964	1918
Sep 1975–Feb 1977 18-Month	38.47" (977.14mm)	43.65" (1,108.71mm)	-5.18" (-131.57mm)	121st Wettest	Wettest since: 1976	2020
Mar 1975–Feb 1977 24-Month	56.93" (1,446.02mm)	59.92" (1,521.97mm)	-2.99" (-75.95mm)	24th Driest	Driest since: 1968	1935
	56.93" (1,446.02mm)	59.92" (1,521.97mm)	-2.99" (-75.95mm)	103rd Wettest	Wettest since: 1976	2020
	Ties: 1990
Mar 1974–Feb 1977 36-Month	87.94" (2,233.68mm)	89.87" (2,282.70mm)	-1.93" (-49.02mm)	43rd Driest	Driest since: 1968	1957
Mar 1974–Feb 1977 36-Month	87.94" (2,233.68mm)	89.87" (2,282.70mm)	-1.93" (-49.02mm)	83rd Wettest	Wettest since: 1976	2020
Mar 1973–Feb 1977 48-Month	123.29" (3,131.57mm)	119.77" (3,042.16mm)	3.52" (89.41mm)	90th Driest	Driest since: 1973	1957
Mar 1973–Feb 1977 48-Month	123.29" (3,131.57mm)	119.77" (3,042.16mm)	3.52" (89.41mm)	35th Wettest	Wettest since: 1976	2019
Mar 1972–Feb 1977 60-Month	155.30" (3,944.62mm)	149.63" (3,800.60mm)	5.67" (144.02mm)	96th Driest	Driest since: 1973	1957
Mar 1972–Feb 1977 60-Month	155.30" (3,944.62mm)	149.63" (3,800.60mm)	5.67" (144.02mm)	28th Wettest	Wettest since: 1976	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings