Regional Rankings
Northwest Climate Region
Precipitation Rankings, October 2017
Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
---|---|---|---|---|---|---|
October 2017 1-Month |
3.15" (80.01mm) | 2.54" (64.52mm) |
0.61" (15.49mm) | 89th Driest | Driest since: |
1895 |
40th Wettest | Wettest since: |
2016 | ||||
Ties: 1933, 2004 | ||||||
Sep– 2-Month |
4.76" (120.90mm) | 3.96" (100.58mm) |
0.80" (20.32mm) | 94th Driest | Driest since: |
1987 |
35th Wettest | Wettest since: |
2016 | ||||
Aug– 3-Month |
5.00" (127.00mm) | 4.76" (120.90mm) |
0.24" (6.10mm) | 77th Driest | Driest since: |
1987 |
52nd Wettest | Wettest since: |
2016 | ||||
Ties: 1922 | ||||||
Jul– 4-Month |
5.15" (130.81mm) | 5.49" (139.45mm) |
-0.34" (-8.64mm) | 62nd Driest | Driest since: |
1952 |
67th Wettest | Wettest since: |
2016 | ||||
Jun– 5-Month |
6.68" (169.67mm) | 7.21" (183.13mm) |
-0.53" (-13.46mm) | 54th Driest | Driest since: |
1917, 2002 |
75th Wettest | Wettest since: |
1947 | ||||
May– 6-Month |
8.50" (215.90mm) | 9.35" (237.49mm) |
-0.85" (-21.59mm) | 44th Driest | Driest since: |
2002 |
85th Wettest | Wettest since: |
1941 | ||||
Ties: 1973 | ||||||
Apr– 7-Month |
12.34" (313.44mm) | 11.71" (297.43mm) |
0.63" (16.01mm) | 79th Driest | Driest since: |
2002 |
50th Wettest | Wettest since: |
1997 | ||||
Mar– 8-Month |
18.32" (465.33mm) | 14.97" (380.24mm) |
3.35" (85.09mm) | 115th Driest | Driest since: |
1939 |
14th Wettest | Wettest since: |
1997 | ||||
Feb– 9-Month |
24.46" (621.28mm) | 18.58" (471.93mm) |
5.88" (149.35mm) | 128th Driest | Driest since: |
1929 |
1st Wettest | Wettest to Date |
2017 | ||||
Jan– 10-Month |
28.53" (724.66mm) | 23.10" (586.74mm) |
5.43" (137.92mm) | 124th Driest | Driest since: |
1929 |
5th Wettest | Wettest since: |
1950 | ||||
Dec 2016– 11-Month |
33.16" (842.26mm) | 27.75" (704.85mm) |
5.41" (137.41mm) | 118th Driest | Driest since: |
1929 |
10th Wettest | Wettest since: |
1997 | ||||
Nov 2016– 12-Month |
37.01" (940.05mm) | 32.10" (815.34mm) |
4.91" (124.71mm) | 108th Driest | Driest since: |
1977 |
20th Wettest | Wettest since: |
1997 | ||||
May 2016– 18-Month |
49.43" (1,255.52mm) | 41.48" (1,053.59mm) |
7.95" (201.93mm) | 120th Driest | Driest since: |
1929 |
8th Wettest | Wettest since: |
1997 | ||||
Nov 2015– 24-Month |
76.70" (1,948.18mm) | 64.23" (1,631.44mm) |
12.47" (316.74mm) | 120th Driest | Driest since: |
1930 |
7th Wettest | Wettest since: |
1997 | ||||
Nov 2014– 36-Month |
104.61" (2,657.09mm) | 96.31" (2,446.27mm) |
8.30" (210.82mm) | 114th Driest | Driest since: |
1931 |
12th Wettest | Wettest since: |
1997 | ||||
Nov 2013– 48-Month |
135.70" (3,446.78mm) | 128.38" (3,260.85mm) |
7.32" (185.93mm) | 105th Driest | Driest since: |
1931 |
20th Wettest | Wettest since: |
1999 | ||||
Nov 2012– 60-Month |
166.75" (4,235.45mm) | 160.37" (4,073.40mm) |
6.38" (162.05mm) | 96th Driest | Driest since: |
1932 |
28th Wettest | Wettest since: |
1999 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings