Climate at a Glance
Regional Rankings
Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2019. For more information, please see Climatological Rankings.
Northwest Climate Region
Precipitation Rankings, October 2017
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2019) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
October 2017 1-Month |
3.15" (80.01mm) | 2.54" (64.52mm) |
0.61" (15.49mm) | 87th Driest | Driest since: 2015 | 1895 |
| 39th Wettest | Wettest since: 2016 | 2016 | ||||
| Ties: 1933, 2004 | ||||||
|
Sep–Oct 2017 2-Month |
4.76" (120.90mm) | 3.96" (100.58mm) |
0.80" (20.32mm) | 92nd Driest | Driest since: 2015 | 1987 |
| 34th Wettest | Wettest since: 2016 | 2016 | ||||
|
Aug–Oct 2017 3-Month |
5.00" (127.00mm) | 4.76" (120.90mm) |
0.24" (6.10mm) | 75th Driest | Driest since: 2015 | 1987 |
| 51st Wettest | Wettest since: 2016 | 2016 | ||||
| Ties: 1922 | ||||||
|
Jul–Oct 2017 4-Month |
5.15" (130.81mm) | 5.49" (139.45mm) |
-0.34" (-8.64mm) | 60th Driest | Driest since: 2011 | 1952 |
| 66th Wettest | Wettest since: 2016 | 2016 | ||||
|
Jun–Oct 2017 5-Month |
6.68" (169.67mm) | 7.21" (183.13mm) |
-0.53" (-13.46mm) | 52nd Driest | Driest since: 2015 | 1917, 2002 |
| 74th Wettest | Wettest since: 2016 | 1947 | ||||
|
May–Oct 2017 6-Month |
8.50" (215.90mm) | 9.35" (237.49mm) |
-0.85" (-21.59mm) | 44th Driest | Driest since: 2015 | 2002 |
| 82nd Wettest | Wettest since: 2016 | 1941 | ||||
| Ties: 1973 | ||||||
|
Apr–Oct 2017 7-Month |
12.34" (313.44mm) | 11.71" (297.43mm) |
0.63" (16.01mm) | 77th Driest | Driest since: 2015 | 2002 |
| 49th Wettest | Wettest since: 2016 | 1997 | ||||
|
Mar–Oct 2017 8-Month |
18.32" (465.33mm) | 14.97" (380.24mm) |
3.35" (85.09mm) | 112th Driest | Driest since: 2015 | 1939 |
| 14th Wettest | Wettest since: 2016 | 1997 | ||||
|
Feb–Oct 2017 9-Month |
24.46" (621.28mm) | 18.58" (471.93mm) |
5.88" (149.35mm) | 125th Driest | Driest since: 2016 | 1929 |
| 1st Wettest | Wettest to Date | 2017 | ||||
|
Jan–Oct 2017 10-Month |
28.53" (724.66mm) | 23.10" (586.74mm) |
5.43" (137.92mm) | 121st Driest | Driest since: 2016 | 1929 |
| 5th Wettest | Wettest since: 1997 | 1950 | ||||
|
Dec 2016–Oct 2017 11-Month |
33.16" (842.26mm) | 27.75" (704.85mm) |
5.41" (137.41mm) | 115th Driest | Driest since: 2015 | 1929 |
| 10th Wettest | Wettest since: 2016 | 1997 | ||||
|
Nov 2016–Oct 2017 12-Month |
37.01" (940.05mm) | 32.10" (815.34mm) |
4.91" (124.71mm) | 105th Driest | Driest since: 2015 | 1977 |
| 20th Wettest | Wettest since: 2016 | 1997 | ||||
|
May 2016–Oct 2017 18-Month |
49.43" (1,255.52mm) | 41.48" (1,053.59mm) |
7.95" (201.93mm) | 117th Driest | Driest since: 2016 | 1929 |
| 8th Wettest | Wettest since: 2011 | 1997 | ||||
|
Nov 2015–Oct 2017 24-Month |
76.70" (1,948.18mm) | 64.23" (1,631.44mm) |
12.47" (316.74mm) | 117th Driest | Driest since: 2016 | 1930 |
| 7th Wettest | Wettest since: 1998 | 1997 | ||||
|
Nov 2014–Oct 2017 36-Month |
104.61" (2,657.09mm) | 96.31" (2,446.27mm) |
8.30" (210.82mm) | 111th Driest | Driest since: 2016 | 1931 |
| 12th Wettest | Wettest since: 1999 | 1997 | ||||
|
Nov 2013–Oct 2017 48-Month |
135.70" (3,446.78mm) | 128.38" (3,260.85mm) |
7.32" (185.93mm) | 102nd Driest | Driest since: 2016 | 1931 |
| 20th Wettest | Wettest since: 2000 | 1999 | ||||
|
Nov 2012–Oct 2017 60-Month |
166.75" (4,235.45mm) | 160.37" (4,073.40mm) |
6.38" (162.05mm) | 93rd Driest | Driest since: 2016 | 1932 |
| 28th Wettest | Wettest since: 2001 | 1999 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published January 2020, retrieved on January 24, 2020 from https://www.ncdc.noaa.gov/cag/