Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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 1977

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
March 1977
1-Month 		1.21"
(30.73mm)		 2.33"
(59.18mm)		 -1.12"
(-28.45mm)		 32nd Driest
Driest since:
 1956
97th Wettest
Wettest since:
 1995
Feb–Mar 1977
2-Month 		2.02"
(51.31mm)		 5.05"
(128.27mm)		 -3.03"
(-76.96mm)		 10th Driest
Driest since:
 1923
119th Wettest
Wettest since:
 1938
Jan–Mar 1977
3-Month 		3.45"
(87.63mm)		 8.03"
(203.96mm)		 -4.58"
(-116.33mm)		 7th Driest
Driest since:
 2022
122nd Wettest
Wettest since:
 1995
Dec 1976–Mar 1977
4-Month 		3.79"
(96.27mm)		 10.58"
(268.73mm)		 -6.79"
(-172.46mm)		 1st Driest
Driest since:
 1977
127th Wettest
Wettest since:
 1907
Nov 1976–Mar 1977
5-Month 		4.36"
(110.74mm)		 12.46"
(316.48mm)		 -8.10"
(-205.74mm)		 1st Driest
Driest since:
 1977
127th Wettest
Wettest since:
 1983
Oct 1976–Mar 1977
6-Month 		5.09"
(129.29mm)		 13.48"
(342.39mm)		 -8.39"
(-213.10mm)		 1st Driest
Driest since:
 1977
127th Wettest
Wettest since:
 1983
Sep 1976–Mar 1977
7-Month 		6.60"
(167.64mm)		 13.98"
(355.09mm)		 -7.38"
(-187.45mm)		 1st Driest
Driest since:
 1977
127th Wettest
Wettest since:
 1983
Aug 1976–Mar 1977
8-Month 		7.24"
(183.90mm)		 14.37"
(365.00mm)		 -7.13"
(-181.10mm)		 1st Driest
Driest since:
 1977
127th Wettest
Wettest since:
 1983
Jul 1976–Mar 1977
9-Month 		8.02"
(203.71mm)		 14.69"
(373.13mm)		 -6.67"
(-169.42mm)		 2nd Driest
Driest since:
 2021
126th Wettest
Wettest since:
 1983
Jun 1976–Mar 1977
10-Month 		8.31"
(211.07mm)		 15.19"
(385.83mm)		 -6.88"
(-174.76mm)		 2nd Driest
Driest since:
 2021
126th Wettest
Wettest since:
 1983
May 1976–Mar 1977
11-Month 		8.73"
(221.74mm)		 16.11"
(409.19mm)		 -7.38"
(-187.45mm)		 1st Driest
Driest since:
 1977
127th Wettest
Wettest since:
 1983
Apr 1976–Mar 1977
12-Month 		9.96"
(252.98mm)		 17.45"
(443.23mm)		 -7.49"
(-190.25mm)		 1st Driest
Driest since:
 1977
127th Wettest
Wettest since:
 1983
Oct 1975–Mar 1977
18-Month 		18.26"
(463.80mm)		 30.93"
(785.62mm)		 -12.67"
(-321.82mm)		 1st Driest
Driest since:
 1977
126th Wettest
Wettest since:
 1983
Apr 1975–Mar 1977
24-Month 		22.16"
(562.86mm)		 34.89"
(886.21mm)		 -12.73"
(-323.35mm)		 2nd Driest
Driest since:
 2022
125th Wettest
Wettest since:
 1983
Apr 1974–Mar 1977
36-Month 		38.43"
(976.12mm)		 52.29"
(1,328.17mm)		 -13.86"
(-352.05mm)		 5th Driest
Driest since:
 2022
121st Wettest
Wettest since:
 1984
Apr 1973–Mar 1977
48-Month 		57.84"
(1,469.14mm)		 69.54"
(1,766.32mm)		 -11.70"
(-297.18mm)		 14th Driest
Driest since:
 2015
111th Wettest
Wettest since:
 1998
Apr 1972–Mar 1977
60-Month 		78.76"
(2,000.50mm)		 86.83"
(2,205.48mm)		 -8.07"
(-204.98mm)		 30th Driest
Driest since:
 1933
94th Wettest
Wettest since:
 1999
Ties: 1920

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