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 2020. 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 (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
October 2017 1-Month |
3.15" (80.01mm) | 2.54" (64.52mm) |
0.61" (15.49mm) | 88th 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) | 93rd 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) | 76th 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) | 61st 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) | 53rd 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 |
| 83rd Wettest | Wettest since: 2016 | 1941 | ||||
| Ties: 1973 | ||||||
|
Apr–Oct 2017 7-Month |
12.34" (313.44mm) | 11.71" (297.43mm) |
0.63" (16.01mm) | 78th 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) | 113th 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) | 126th 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) | 122nd 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) | 116th 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) | 106th 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) | 118th 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) | 118th 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) | 112th 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) | 103rd 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) | 94th 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 2021, retrieved on January 22, 2021 from https://www.ncdc.noaa.gov/cag/