Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Southwest Climate Region

Precipitation Rankings, June 1918

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
June 1918
1-Month 		1.09"
(27.69mm)		 0.94"
(23.88mm)		 0.15"
(3.81mm)		 94th Driest
Driest since:
 1924, 2012
35th Wettest
Wettest since:
 1903
Ties: 1932
May–Jun 1918
2-Month 		1.61"
(40.89mm)		 2.05"
(52.07mm)		 -0.44"
(-11.18mm)		 35th Driest
Driest since:
 2002
94th Wettest
Wettest since:
 2015
Apr–Jun 1918
3-Month 		2.31"
(58.67mm)		 3.11"
(78.99mm)		 -0.80"
(-20.32mm)		 29th Driest
Driest since:
 2002
100th Wettest
Wettest since:
 1941
Ties: 1962
Mar–Jun 1918
4-Month 		3.90"
(99.06mm)		 4.26"
(108.20mm)		 -0.36"
(-9.14mm)		 56th Driest
Driest since:
 2002
73rd Wettest
Wettest since:
 1941
Feb–Jun 1918
5-Month 		4.92"
(124.97mm)		 5.26"
(133.60mm)		 -0.34"
(-8.63mm)		 58th Driest
Driest since:
 2002
71st Wettest
Wettest since:
 1905
Jan–Jun 1918
6-Month 		6.48"
(164.59mm)		 6.25"
(158.75mm)		 0.23"
(5.84mm)		 80th Driest
Driest since:
 2002
49th Wettest
Wettest since:
 1905
Ties: 1982, 1998
Dec 1917–Jun 1918
7-Month 		6.65"
(168.91mm)		 7.26"
(184.40mm)		 -0.61"
(-15.49mm)		 54th Driest
Driest since:
 2002
74th Wettest
Wettest since:
 1941
Nov 1917–Jun 1918
8-Month 		6.93"
(176.02mm)		 8.15"
(207.01mm)		 -1.22"
(-30.99mm)		 41st Driest
Driest since:
 2002
87th Wettest
Wettest since:
 1941
Ties: 1976
Oct 1917–Jun 1918
9-Month 		7.11"
(180.59mm)		 9.28"
(235.71mm)		 -2.17"
(-55.12mm)		 29th Driest
Driest since:
 2002
99th Wettest
Wettest since:
 1941
Sep 1917–Jun 1918
10-Month 		8.42"
(213.87mm)		 10.65"
(270.51mm)		 -2.23"
(-56.64mm)		 28th Driest
Driest since:
 2002
100th Wettest
Wettest since:
 1941
Aug 1917–Jun 1918
11-Month 		9.98"
(253.49mm)		 12.66"
(321.56mm)		 -2.68"
(-68.07mm)		 22nd Driest
Driest since:
 2002
106th Wettest
Wettest since:
 1941
Jul 1917–Jun 1918
12-Month 		11.83"
(300.48mm)		 14.53"
(369.06mm)		 -2.70"
(-68.58mm)		 20th Driest
Driest since:
 2002
108th Wettest
Wettest since:
 1941
Jan 1917–Jun 1918
18-Month 		18.14"
(460.76mm)		 20.78"
(527.81mm)		 -2.64"
(-67.05mm)		 31st Driest
Driest since:
 2021
97th Wettest
Wettest since:
 1942
Jul 1916–Jun 1918
24-Month 		27.74"
(704.60mm)		 29.06"
(738.12mm)		 -1.32"
(-33.52mm)		 54th Driest
Driest since:
 2021
73rd Wettest
Wettest since:
 1942
Jul 1915–Jun 1918
36-Month 		42.68"
(1,084.07mm)		 43.54"
(1,105.92mm)		 -0.86"
(-21.85mm)		 56th Driest
Driest since:
 2022
70th Wettest
Wettest since:
 1907
Jul 1914–Jun 1918
48-Month 		61.63"
(1,565.40mm)		 58.01"
(1,473.45mm)		 3.62"
(91.95mm)		 101st Driest
Driest since:
 1956
24th Wettest
Wettest since:
 1986
Jul 1913–Jun 1918
60-Month 		77.54"
(1,969.52mm)		 72.49"
(1,841.25mm)		 5.05"
(128.27mm)		 102nd Driest
Driest since:
 1957
22nd Wettest
Wettest since:
 1987

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