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 May 2022. For more information, please see Climatological Rankings.
Northwest Climate Region
Precipitation Rankings, January 2018
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
January 2018 1-Month |
4.66" (118.36mm) | 4.53" (115.06mm) |
0.13" (3.30mm) | 69th Driest | Driest since: 2017 | 1985 |
| 60th Wettest | Wettest since: 2016 | 1953 | ||||
|
Dec 2017–Jan 2018 2-Month |
7.66" (194.56mm) | 9.17" (232.92mm) |
-1.51" (-38.36mm) | 40th Driest | Driest since: 2014 | 1977 |
| 88th Wettest | Wettest since: 2017 | 1965 | ||||
|
Nov 2017–Jan 2018 3-Month |
13.27" (337.06mm) | 13.53" (343.66mm) |
-0.26" (-6.60mm) | 62nd Driest | Driest since: 2017 | 1977 |
| 66th Wettest | Wettest since: 2016 | 1974 | ||||
|
Oct 2017–Jan 2018 4-Month |
16.42" (417.07mm) | 16.08" (408.43mm) |
0.34" (8.64mm) | 67th Driest | Driest since: 2015 | 1977 |
| 61st Wettest | Wettest since: 2017 | 1997 | ||||
|
Sep 2017–Jan 2018 5-Month |
18.03" (457.96mm) | 17.50" (444.50mm) |
0.53" (13.46mm) | 70th Driest | Driest since: 2015 | 1977 |
| 58th Wettest | Wettest since: 2017 | 1974 | ||||
|
Aug 2017–Jan 2018 6-Month |
18.27" (464.06mm) | 18.31" (465.07mm) |
-0.04" (-1.01mm) | 63rd Driest | Driest since: 2014 | 1977 |
| 65th Wettest | Wettest since: 2017 | 1974 | ||||
|
Jul 2017–Jan 2018 7-Month |
18.42" (467.87mm) | 19.04" (483.62mm) |
-0.62" (-15.75mm) | 59th Driest | Driest since: 2014 | 1977 |
| 69th Wettest | Wettest since: 2017 | 1956 | ||||
|
Jun 2017–Jan 2018 8-Month |
19.95" (506.73mm) | 20.76" (527.30mm) |
-0.81" (-20.57mm) | 57th Driest | Driest since: 2014 | 1977 |
| 71st Wettest | Wettest since: 2017 | 1956 | ||||
|
May 2017–Jan 2018 9-Month |
21.77" (552.96mm) | 22.91" (581.91mm) |
-1.14" (-28.95mm) | 53rd Driest | Driest since: 2014 | 1977 |
| 75th Wettest | Wettest since: 2017 | 1997 | ||||
| Ties: 1908 | ||||||
|
Apr 2017–Jan 2018 10-Month |
25.61" (650.49mm) | 25.27" (641.86mm) |
0.34" (8.63mm) | 74th Driest | Driest since: 2015 | 1977 |
| 54th Wettest | Wettest since: 2017 | 1997 | ||||
|
Mar 2017–Jan 2018 11-Month |
31.59" (802.39mm) | 28.53" (724.66mm) |
3.06" (77.73mm) | 96th Driest | Driest since: 2016 | 1977 |
| 32nd Wettest | Wettest since: 2017 | 1997 | ||||
|
Feb 2017–Jan 2018 12-Month |
37.73" (958.34mm) | 32.13" (816.10mm) |
5.60" (142.24mm) | 118th Driest | Driest since: 2017 | 1977 |
| 10th Wettest | Wettest since: 1999 | 1997 | ||||
|
Aug 2016–Jan 2018 18-Month |
58.94" (1,497.08mm) | 50.47" (1,281.94mm) |
8.47" (215.14mm) | 119th Driest | Driest since: 2017 | 1930 |
| 8th Wettest | Wettest since: 1998 | 1997 | ||||
|
Feb 2016–Jan 2018 24-Month |
72.34" (1,837.44mm) | 64.28" (1,632.71mm) |
8.06" (204.73mm) | 117th Driest | Driest since: 2017 | 1931 |
| 10th Wettest | Wettest since: 1999 | 1997 | ||||
|
Feb 2015–Jan 2018 36-Month |
105.43" (2,677.92mm) | 96.31" (2,446.27mm) |
9.12" (231.65mm) | 115th Driest | Driest since: 2017 | 1931 |
| 11th Wettest | Wettest since: 2013 | 1998 | ||||
|
Feb 2014–Jan 2018 48-Month |
141.43" (3,592.32mm) | 128.35" (3,260.09mm) |
13.08" (332.23mm) | 117th Driest | Driest since: 2017 | 1932 |
| 8th Wettest | Wettest since: 2000 | 1999 | ||||
|
Feb 2013–Jan 2018 60-Month |
166.00" (4,216.40mm) | 160.30" (4,071.62mm) |
5.70" (144.78mm) | 93rd Driest | Driest since: 2017 | 1933 |
| 31st Wettest | Wettest since: 2015 | 2000 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2022, retrieved on July 7, 2022 from https://www.ncei.noaa.gov/cag/