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.
West Climate Region
Precipitation Rankings, April 2021
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
April 2021 1-Month |
0.34" (8.64mm) | 1.33" (33.78mm) |
-0.99" (-25.14mm) | 6th Driest | Driest since: 2008 | 1909 |
| 123rd Wettest | Wettest since: 2020 | 1935 | ||||
|
Mar–Apr 2021 2-Month |
1.73" (43.94mm) | 3.67" (93.22mm) |
-1.94" (-49.28mm) | 12th Driest | Driest since: 2015 | 2008 |
| 117th Wettest | Wettest since: 2020 | 1983 | ||||
|
Feb–Apr 2021 3-Month |
2.89" (73.41mm) | 6.39" (162.31mm) |
-3.50" (-88.90mm) | 8th Driest | Driest since: 2013 | 1997 |
| 121st Wettest | Wettest since: 2020 | 1983 | ||||
|
Jan–Apr 2021 4-Month |
5.43" (137.92mm) | 9.37" (238.00mm) |
-3.94" (-100.08mm) | 17th Driest | Driest since: 2015 | 2022 |
| 112th Wettest | Wettest since: 2020 | 1995 | ||||
|
Dec 2020–Apr 2021 5-Month |
6.75" (171.45mm) | 11.92" (302.77mm) |
-5.17" (-131.32mm) | 9th Driest | Driest since: 1990 | 1977 |
| 119th Wettest | Wettest since: 2020 | 1978 | ||||
|
Nov 2020–Apr 2021 6-Month |
7.75" (196.85mm) | 13.79" (350.27mm) |
-6.04" (-153.42mm) | 5th Driest | Driest since: 1990 | 1977 |
| 123rd Wettest | Wettest since: 2020 | 1983 | ||||
|
Oct 2020–Apr 2021 7-Month |
7.80" (198.12mm) | 14.82" (376.43mm) |
-7.02" (-178.31mm) | 3rd Driest | Driest since: 1977 | 1977 |
| 125th Wettest | Wettest since: 2020 | 1983 | ||||
|
Sep 2020–Apr 2021 8-Month |
7.85" (199.39mm) | 15.31" (388.87mm) |
-7.46" (-189.48mm) | 2nd Driest | Driest since: 1977 | 1977 |
| 126th Wettest | Wettest since: 2020 | 1983 | ||||
|
Aug 2020–Apr 2021 9-Month |
7.96" (202.18mm) | 15.70" (398.78mm) |
-7.74" (-196.60mm) | 2nd Driest | Driest since: 1977 | 1977 |
| 126th Wettest | Wettest since: 2020 | 1983 | ||||
|
Jul 2020–Apr 2021 10-Month |
8.03" (203.96mm) | 16.03" (407.16mm) |
-8.00" (-203.20mm) | 1st Driest | Driest to Date | 2021 |
| 127th Wettest | Wettest since: 2020 | 1983 | ||||
|
Jun 2020–Apr 2021 11-Month |
8.35" (212.09mm) | 16.52" (419.61mm) |
-8.17" (-207.52mm) | 1st Driest | Driest to Date | 2021 |
| 127th Wettest | Wettest since: 2020 | 1983 | ||||
|
May 2020–Apr 2021 12-Month |
9.32" (236.73mm) | 17.44" (442.98mm) |
-8.12" (-206.25mm) | 2nd Driest | Driest since: 1977 | 1977 |
| 126th Wettest | Wettest since: 2020 | 1983 | ||||
|
Nov 2019–Apr 2021 18-Month |
19.77" (502.16mm) | 31.22" (792.99mm) |
-11.45" (-290.83mm) | 2nd Driest | Driest since: 1977 | 1977 |
| 125th Wettest | Wettest since: 2020 | 1983 | ||||
|
May 2019–Apr 2021 24-Month |
23.62" (599.95mm) | 34.90" (886.46mm) |
-11.28" (-286.51mm) | 3rd Driest | Driest since: 1977 | 1977 |
| 124th Wettest | Wettest since: 2020 | 1983 | ||||
|
May 2018–Apr 2021 36-Month |
44.06" (1,119.12mm) | 52.30" (1,328.42mm) |
-8.24" (-209.30mm) | 24th Driest | Driest since: 2015 | 2022 |
| 102nd Wettest | Wettest since: 2020 | 1984 | ||||
|
May 2017–Apr 2021 48-Month |
57.07" (1,449.58mm) | 69.56" (1,766.82mm) |
-12.49" (-317.24mm) | 14th Driest | Driest since: 2016 | 2015 |
| 111th Wettest | Wettest since: 2020 | 1998 | ||||
|
May 2016–Apr 2021 60-Month |
82.91" (2,105.91mm) | 86.83" (2,205.48mm) |
-3.92" (-99.57mm) | 51st Driest | Driest since: 2017 | 1933 |
| 73rd Wettest | Wettest since: 2020 | 1999 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published June 2022, retrieved on July 6, 2022 from https://www.ncei.noaa.gov/cag/