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, February 2015

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
February 2015
1-Month		1.92"
(48.77mm)		2.72"
(69.09mm)		-0.80"
(-20.32mm)		54th Driest
Driest since:
1964, 2022
76th Wettest
Wettest since:
1998
Jan–Feb 2015
2-Month		2.51"
(63.75mm)		5.70"
(144.78mm)		-3.19"
(-81.03mm)		13th Driest
Driest since:
2022
117th Wettest
Wettest since:
1969
Ties: 1920
Dec 2014–Feb 2015
3-Month		6.76"
(171.70mm)		8.25"
(209.55mm)		-1.49"
(-37.85mm)		49th Driest
Driest since:
1977
80th Wettest
Wettest since:
1969
Nov 2014–Feb 2015
4-Month		8.14"
(206.76mm)		10.13"
(257.30mm)		-1.99"
(-50.54mm)		45th Driest
Driest since:
1977
84th Wettest
Wettest since:
1969
Oct 2014–Feb 2015
5-Month		8.81"
(223.77mm)		11.15"
(283.21mm)		-2.34"
(-59.44mm)		40th Driest
Driest since:
1977
89th Wettest
Wettest since:
2017
Sep 2014–Feb 2015
6-Month		9.72"
(246.89mm)		11.65"
(295.91mm)		-1.93"
(-49.02mm)		45th Driest
Driest since:
1991
84th Wettest
Wettest since:
2017
Ties: 1992
Aug 2014–Feb 2015
7-Month		10.60"
(269.24mm)		12.04"
(305.82mm)		-1.44"
(-36.58mm)		55th Driest
Driest since:
1991
74th Wettest
Wettest since:
2017
Jul 2014–Feb 2015
8-Month		11.05"
(280.67mm)		12.36"
(313.94mm)		-1.31"
(-33.27mm)		53rd Driest
Driest since:
1991
76th Wettest
Wettest since:
1969
Jun 2014–Feb 2015
9-Month		11.13"
(282.70mm)		12.85"
(326.39mm)		-1.72"
(-43.69mm)		50th Driest
Driest since:
1991
79th Wettest
Wettest since:
1969
May 2014–Feb 2015
10-Month		11.67"
(296.42mm)		13.78"
(350.01mm)		-2.11"
(-53.59mm)		44th Driest
Driest since:
1912
85th Wettest
Wettest since:
1914
Ties: 1959
Apr 2014–Feb 2015
11-Month		12.57"
(319.28mm)		15.12"
(384.05mm)		-2.55"
(-64.77mm)		41st Driest
Driest since:
1912
88th Wettest
Wettest since:
1983
Ties: 2013
Mar 2014–Feb 2015
12-Month		14.92"
(378.97mm)		17.45"
(443.23mm)		-2.53"
(-64.26mm)		40th Driest
Driest since:
2014
89th Wettest
Wettest since:
1983
Sep 2013–Feb 2015
18-Month		21.13"
(536.70mm)		29.10"
(739.14mm)		-7.97"
(-202.44mm)		12th Driest
Driest since:
1977
116th Wettest
Wettest since:
1984
Mar 2013–Feb 2015
24-Month		24.56"
(623.82mm)		34.92"
(886.97mm)		-10.36"
(-263.15mm)		4th Driest
Driest since:
2022
124th Wettest
Wettest since:
1984
Mar 2012–Feb 2015
36-Month		40.33"
(1,024.38mm)		52.29"
(1,328.17mm)		-11.96"
(-303.79mm)		6th Driest
Driest since:
1991
121st Wettest
Wettest since:
1984
Mar 2011–Feb 2015
48-Month		54.92"
(1,394.97mm)		69.57"
(1,767.08mm)		-14.65"
(-372.11mm)		3rd Driest
Driest since:
1991
123rd Wettest
Wettest since:
1999
Mar 2010–Feb 2015
60-Month		74.86"
(1,901.44mm)		86.86"
(2,206.24mm)		-12.00"
(-304.80mm)		13th Driest
Driest since:
1991
112th Wettest
Wettest since:
1999

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