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.

West Climate Region

Precipitation Rankings, March 2019

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
March 2019
1-Month 		3.25"
(82.55mm)		 2.33"
(59.18mm)		 0.92"
(23.37mm)		 100th Driest
Driest since:
 1956
29th Wettest
Wettest since:
 1995
Feb–Mar 2019
2-Month 		9.28"
(235.71mm)		 5.05"
(128.27mm)		 4.23"
(107.44mm)		 122nd Driest
Driest since:
 1923
7th Wettest
Wettest since:
 1938
Jan–Mar 2019
3-Month 		12.90"
(327.66mm)		 8.03"
(203.96mm)		 4.87"
(123.70mm)		 118th Driest
Driest since:
 2022
11th Wettest
Wettest since:
 1995
Dec 2018–Mar 2019
4-Month 		14.69"
(373.13mm)		 10.58"
(268.73mm)		 4.11"
(104.40mm)		 111th Driest
Driest since:
 1977
17th Wettest
Wettest since:
 1907
Nov 2018–Mar 2019
5-Month 		16.67"
(423.42mm)		 12.46"
(316.48mm)		 4.21"
(106.94mm)		 113th Driest
Driest since:
 1977
15th Wettest
Wettest since:
 1983
Oct 2018–Mar 2019
6-Month 		17.53"
(445.26mm)		 13.48"
(342.39mm)		 4.05"
(102.87mm)		 108th Driest
Driest since:
 1977
20th Wettest
Wettest since:
 1983
Sep 2018–Mar 2019
7-Month 		17.58"
(446.53mm)		 13.98"
(355.09mm)		 3.60"
(91.44mm)		 106th Driest
Driest since:
 1977
22nd Wettest
Wettest since:
 1983
Aug 2018–Mar 2019
8-Month 		17.69"
(449.33mm)		 14.37"
(365.00mm)		 3.32"
(84.33mm)		 103rd Driest
Driest since:
 1977
25th Wettest
Wettest since:
 1983
Jul 2018–Mar 2019
9-Month 		18.11"
(459.99mm)		 14.69"
(373.13mm)		 3.42"
(86.86mm)		 104th Driest
Driest since:
 2021
24th Wettest
Wettest since:
 1983
Jun 2018–Mar 2019
10-Month 		18.21"
(462.53mm)		 15.19"
(385.83mm)		 3.02"
(76.70mm)		 102nd Driest
Driest since:
 2021
26th Wettest
Wettest since:
 1983
May 2018–Mar 2019
11-Month 		19.21"
(487.93mm)		 16.11"
(409.19mm)		 3.10"
(78.74mm)		 101st Driest
Driest since:
 1977
27th Wettest
Wettest since:
 1983
Apr 2018–Mar 2019
12-Month 		20.82"
(528.83mm)		 17.45"
(443.23mm)		 3.37"
(85.60mm)		 101st Driest
Driest since:
 1977
27th Wettest
Wettest since:
 1983
Ties: 1943
Oct 2017–Mar 2019
18-Month 		30.00"
(762.00mm)		 30.93"
(785.62mm)		 -0.93"
(-23.62mm)		 58th Driest
Driest since:
 1977
69th Wettest
Wettest since:
 1983
Ties: 2007
Apr 2017–Mar 2019
24-Month 		34.30"
(871.22mm)		 34.89"
(886.21mm)		 -0.59"
(-14.99mm)		 57th Driest
Driest since:
 2022
70th Wettest
Wettest since:
 1983
Apr 2016–Mar 2019
36-Month 		59.61"
(1,514.09mm)		 52.29"
(1,328.17mm)		 7.32"
(185.92mm)		 108th Driest
Driest since:
 2022
18th Wettest
Wettest since:
 1984
Apr 2015–Mar 2019
48-Month 		78.65"
(1,997.71mm)		 69.54"
(1,766.32mm)		 9.11"
(231.39mm)		 105th Driest
Driest since:
 2015
20th Wettest
Wettest since:
 1998
Apr 2014–Mar 2019
60-Month 		91.84"
(2,332.74mm)		 86.83"
(2,205.48mm)		 5.01"
(127.26mm)		 89th Driest
Driest since:
 1933
35th Wettest
Wettest since:
 1999

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