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, April 1992

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
April 1992
1-Month 		0.70"
(17.78mm)		 1.33"
(33.78mm)		 -0.63"
(-16.00mm)		 29th Driest
Driest since:
 1909
100th Wettest
Wettest since:
 1935
Ties: 1970
Mar–Apr 1992
2-Month 		3.61"
(91.69mm)		 3.67"
(93.22mm)		 -0.06"
(-1.53mm)		 74th Driest
Driest since:
 2008
55th Wettest
Wettest since:
 1983
Feb–Apr 1992
3-Month 		7.62"
(193.55mm)		 6.39"
(162.31mm)		 1.23"
(31.24mm)		 97th Driest
Driest since:
 1997
32nd Wettest
Wettest since:
 1983
Jan–Apr 1992
4-Month 		9.03"
(229.36mm)		 9.37"
(238.00mm)		 -0.34"
(-8.64mm)		 72nd Driest
Driest since:
 2022
57th Wettest
Wettest since:
 1995
Dec 1991–Apr 1992
5-Month 		10.76"
(273.30mm)		 11.92"
(302.77mm)		 -1.16"
(-29.47mm)		 63rd Driest
Driest since:
 1977
65th Wettest
Wettest since:
 1978
Nov 1991–Apr 1992
6-Month 		11.74"
(298.20mm)		 13.79"
(350.27mm)		 -2.05"
(-52.07mm)		 51st Driest
Driest since:
 1977
77th Wettest
Wettest since:
 1983
Oct 1991–Apr 1992
7-Month 		12.82"
(325.63mm)		 14.82"
(376.43mm)		 -2.00"
(-50.80mm)		 51st Driest
Driest since:
 1977
77th Wettest
Wettest since:
 1983
Sep 1991–Apr 1992
8-Month 		13.33"
(338.58mm)		 15.31"
(388.87mm)		 -1.98"
(-50.29mm)		 53rd Driest
Driest since:
 1977
75th Wettest
Wettest since:
 1983
Aug 1991–Apr 1992
9-Month 		13.70"
(347.98mm)		 15.70"
(398.78mm)		 -2.00"
(-50.80mm)		 53rd Driest
Driest since:
 1977
75th Wettest
Wettest since:
 1983
Jul 1991–Apr 1992
10-Month 		13.96"
(354.58mm)		 16.03"
(407.16mm)		 -2.07"
(-52.58mm)		 50th Driest
Driest since:
 2021
78th Wettest
Wettest since:
 1983
Jun 1991–Apr 1992
11-Month 		14.38"
(365.25mm)		 16.52"
(419.61mm)		 -2.14"
(-54.36mm)		 50th Driest
Driest since:
 2021
78th Wettest
Wettest since:
 1983
May 1991–Apr 1992
12-Month 		15.55"
(394.97mm)		 17.44"
(442.98mm)		 -1.89"
(-48.01mm)		 54th Driest
Driest since:
 1977
74th Wettest
Wettest since:
 1983
Ties: 1923
Nov 1990–Apr 1992
18-Month 		26.19"
(665.23mm)		 31.22"
(792.99mm)		 -5.03"
(-127.76mm)		 32nd Driest
Driest since:
 1977
95th Wettest
Wettest since:
 1983
May 1990–Apr 1992
24-Month 		30.28"
(769.11mm)		 34.90"
(886.46mm)		 -4.62"
(-117.35mm)		 35th Driest
Driest since:
 1977
92nd Wettest
Wettest since:
 1983
May 1989–Apr 1992
36-Month 		42.23"
(1,072.64mm)		 52.30"
(1,328.42mm)		 -10.07"
(-255.78mm)		 14th Driest
Driest since:
 2022
112th Wettest
Wettest since:
 1984
May 1988–Apr 1992
48-Month 		56.49"
(1,434.85mm)		 69.56"
(1,766.82mm)		 -13.07"
(-331.97mm)		 12th Driest
Driest since:
 2015
113th Wettest
Wettest since:
 1998
May 1987–Apr 1992
60-Month 		71.82"
(1,824.23mm)		 86.83"
(2,205.48mm)		 -15.01"
(-381.25mm)		 8th Driest
Driest since:
 1933
116th Wettest
Wettest since:
 1999

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