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, January 1928

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
January 1928
1-Month 		4.04"
(102.62mm)		 4.53"
(115.06mm)		 -0.49"
(-12.44mm)		 56th Driest
Driest since:
 1985
74th Wettest
Wettest since:
 1953
Dec 1927–Jan 1928
2-Month 		7.09"
(180.09mm)		 9.17"
(232.92mm)		 -2.08"
(-52.83mm)		 27th Driest
Driest since:
 1977
102nd Wettest
Wettest since:
 1965
Ties: 1926
Nov 1927–Jan 1928
3-Month 		14.39"
(365.51mm)		 13.53"
(343.66mm)		 0.86"
(21.85mm)		 79th Driest
Driest since:
 1977
50th Wettest
Wettest since:
 1974
Oct 1927–Jan 1928
4-Month 		17.38"
(441.45mm)		 16.08"
(408.43mm)		 1.30"
(33.02mm)		 78th Driest
Driest since:
 1977
51st Wettest
Wettest since:
 1997
Sep 1927–Jan 1928
5-Month 		20.70"
(525.78mm)		 17.50"
(444.50mm)		 3.20"
(81.28mm)		 108th Driest
Driest since:
 1977
21st Wettest
Wettest since:
 1974
Aug 1927–Jan 1928
6-Month 		21.57"
(547.88mm)		 18.31"
(465.07mm)		 3.26"
(82.81mm)		 109th Driest
Driest since:
 1977
20th Wettest
Wettest since:
 1974
Jul 1927–Jan 1928
7-Month 		21.84"
(554.74mm)		 19.04"
(483.62mm)		 2.80"
(71.12mm)		 106th Driest
Driest since:
 1977
23rd Wettest
Wettest since:
 1956
Jun 1927–Jan 1928
8-Month 		23.29"
(591.57mm)		 20.76"
(527.30mm)		 2.53"
(64.27mm)		 101st Driest
Driest since:
 1977
28th Wettest
Wettest since:
 1956
May 1927–Jan 1928
9-Month 		26.00"
(660.40mm)		 22.91"
(581.91mm)		 3.09"
(78.49mm)		 102nd Driest
Driest since:
 1977
27th Wettest
Wettest since:
 1997
Apr 1927–Jan 1928
10-Month 		27.90"
(708.66mm)		 25.27"
(641.86mm)		 2.63"
(66.80mm)		 95th Driest
Driest since:
 1977
34th Wettest
Wettest since:
 1997
Mar 1927–Jan 1928
11-Month 		30.51"
(774.95mm)		 28.53"
(724.66mm)		 1.98"
(50.29mm)		 88th Driest
Driest since:
 1977
41st Wettest
Wettest since:
 1997
Feb 1927–Jan 1928
12-Month 		35.98"
(913.89mm)		 32.13"
(816.10mm)		 3.85"
(97.79mm)		 104th Driest
Driest since:
 1977
25th Wettest
Wettest since:
 1997
Aug 1926–Jan 1928
18-Month 		57.18"
(1,452.37mm)		 50.47"
(1,281.94mm)		 6.71"
(170.43mm)		 115th Driest
Driest since:
 1930
13th Wettest
Wettest to Date
 1997
Feb 1926–Jan 1928
24-Month 		67.91"
(1,724.91mm)		 64.28"
(1,632.71mm)		 3.63"
(92.20mm)		 91st Driest
Driest since:
 1931
37th Wettest
Wettest since:
 1997
Feb 1925–Jan 1928
36-Month 		95.38"
(2,422.65mm)		 96.31"
(2,446.27mm)		 -0.93"
(-23.62mm)		 58th Driest
Driest since:
 1931
69th Wettest
Wettest since:
 1998
Feb 1924–Jan 1928
48-Month 		123.95"
(3,148.33mm)		 128.35"
(3,260.09mm)		 -4.40"
(-111.76mm)		 38th Driest
Driest since:
 1932
88th Wettest
Wettest since:
 1999
Feb 1923–Jan 1928
60-Month 		151.08"
(3,837.43mm)		 160.30"
(4,071.62mm)		 -9.22"
(-234.19mm)		 24th Driest
Driest since:
 1933
101st Wettest
Wettest since:
 2000

Citing This Page