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 August 2022. For more information, please see Climatological Rankings.
Northwest Climate Region
Precipitation Rankings, October 2017
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
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 |
| 40th 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 |
| 35th 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 |
| 52nd 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 |
| 67th 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 |
| 75th 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 |
| 84th Wettest | Wettest since: 2016 | 1941 | ||||
| Ties: 1973 | ||||||
|
Apr–Oct 2017 7-Month |
12.34" (313.44mm) | 11.71" (297.43mm) |
0.63" (16.01mm) | 79th 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) | 114th 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) | 127th 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) | 123rd 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) | 117th 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) | 107th 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) | 119th 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) | 119th 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) | 113th 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) | 104th 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) | 95th 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, Precipitation, published September 2022, retrieved on September 25, 2022 from https://www.ncdc.noaa.gov/cag/