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.

Northwest Climate Region

Precipitation Rankings, February 1977

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
February 1977
1-Month
1.86"
(47.24mm)
3.61"
(91.69mm)
-1.75"
(-44.45mm)
18th Driest
Driest since:
1920
112th Wettest
Wettest since:
1904
Jan–Feb 1977
2-Month
3.28"
(83.31mm)
8.14"
(206.76mm)
-4.86"
(-123.45mm)
1st Driest
Driest to Date
1977
129th Wettest
Wettest since:
1953
Dec 1976–Feb 1977
3-Month
4.59"
(116.59mm)
12.78"
(324.61mm)
-8.19"
(-208.02mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1965
Nov 1976–Feb 1977
4-Month
5.60"
(142.24mm)
17.14"
(435.36mm)
-11.54"
(-293.12mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1974
Oct 1976–Feb 1977
5-Month
6.74"
(171.20mm)
19.69"
(500.13mm)
-12.95"
(-328.93mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1956
Sep 1976–Feb 1977
6-Month
7.94"
(201.68mm)
21.11"
(536.19mm)
-13.17"
(-334.51mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1974
Aug 1976–Feb 1977
7-Month
10.43"
(264.92mm)
21.92"
(556.77mm)
-11.49"
(-291.85mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1974
Jul 1976–Feb 1977
8-Month
11.36"
(288.54mm)
22.65"
(575.31mm)
-11.29"
(-286.77mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1956
Jun 1976–Feb 1977
9-Month
12.60"
(320.04mm)
24.37"
(619.00mm)
-11.77"
(-298.96mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1996
May 1976–Feb 1977
10-Month
14.00"
(355.60mm)
26.52"
(673.61mm)
-12.52"
(-318.01mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1999
Apr 1976–Feb 1977
11-Month
16.36"
(415.54mm)
28.88"
(733.55mm)
-12.52"
(-318.01mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1997
Mar 1976–Feb 1977
12-Month
19.30"
(490.22mm)
32.14"
(816.36mm)
-12.84"
(-326.14mm)
1st Driest
Driest to Date
1977
128th Wettest
Wettest since:
1996
Sep 1975–Feb 1977
18-Month
43.17"
(1,096.52mm)
53.27"
(1,353.06mm)
-10.10"
(-256.54mm)
5th Driest
Driest since:
1931
123rd Wettest
Wettest since:
1997
Mar 1975–Feb 1977
24-Month
55.76"
(1,416.30mm)
64.31"
(1,633.47mm)
-8.55"
(-217.17mm)
12th Driest
Driest since:
1931
116th Wettest
Wettest since:
1997
Mar 1974–Feb 1977
36-Month
88.37"
(2,244.60mm)
96.34"
(2,447.04mm)
-7.97"
(-202.44mm)
22nd Driest
Driest since:
1931
105th Wettest
Wettest since:
1998
Mar 1973–Feb 1977
48-Month
126.95"
(3,224.53mm)
128.36"
(3,260.34mm)
-1.41"
(-35.81mm)
57th Driest
Driest since:
1932
69th Wettest
Wettest since:
1999
Mar 1972–Feb 1977
60-Month
156.63"
(3,978.40mm)
160.34"
(4,072.64mm)
-3.71"
(-94.24mm)
44th Driest
Driest since:
1932
81st Wettest
Wettest since:
1999

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