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, May 2011
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 2011 1-Month |
1.47" (37.34mm) | 0.92" (23.37mm) |
0.55" (13.97mm) | 108th Driest | Driest since: 2010 | 1924 |
| 21st Wettest | Wettest since: 2005 | 1998 | ||||
|
Apr–May 2011 2-Month |
2.62" (66.55mm) | 2.26" (57.40mm) |
0.36" (9.15mm) | 90th Driest | Driest since: 2009 | 1909 |
| 39th Wettest | Wettest since: 2010 | 1896 | ||||
|
Mar–May 2011 3-Month |
7.04" (178.82mm) | 4.59" (116.59mm) |
2.45" (62.23mm) | 116th Driest | Driest since: 2010 | 2008 |
| 13th Wettest | Wettest since: 2006 | 1995 | ||||
| Ties: 1982 | ||||||
|
Feb–May 2011 4-Month |
9.34" (237.24mm) | 7.31" (185.67mm) |
2.03" (51.57mm) | 105th Driest | Driest since: 2010 | 1997 |
| 24th Wettest | Wettest since: 2006 | 1998 | ||||
|
Jan–May 2011 5-Month |
10.21" (259.33mm) | 10.29" (261.37mm) |
-0.08" (-2.04mm) | 75th Driest | Driest since: 2009 | 2022 |
| 54th Wettest | Wettest since: 2010 | 1998 | ||||
| Ties: 1956 | ||||||
|
Dec 2010–May 2011 6-Month |
16.16" (410.46mm) | 12.84" (326.14mm) |
3.32" (84.32mm) | 103rd Driest | Driest since: 2010 | 1924 |
| 25th Wettest | Wettest since: 2006 | 1995 | ||||
|
Nov 2010–May 2011 7-Month |
18.18" (461.77mm) | 14.71" (373.63mm) |
3.47" (88.14mm) | 104th Driest | Driest since: 2010 | 1977 |
| 24th Wettest | Wettest since: 2006 | 1995 | ||||
|
Oct 2010–May 2011 8-Month |
20.86" (529.84mm) | 15.74" (399.80mm) |
5.12" (130.04mm) | 112th Driest | Driest since: 2010 | 1977 |
| 16th Wettest | Wettest since: 2005 | 1983 | ||||
|
Sep 2010–May 2011 9-Month |
21.07" (535.18mm) | 16.23" (412.24mm) |
4.84" (122.94mm) | 111th Driest | Driest since: 2010 | 2021 |
| 17th Wettest | Wettest since: 2006 | 1983 | ||||
|
Aug 2010–May 2011 10-Month |
21.23" (539.24mm) | 16.62" (422.15mm) |
4.61" (117.09mm) | 109th Driest | Driest since: 2010 | 2021 |
| 19th Wettest | Wettest since: 2006 | 1983 | ||||
|
Jul 2010–May 2011 11-Month |
21.42" (544.07mm) | 16.95" (430.53mm) |
4.47" (113.54mm) | 109th Driest | Driest since: 2010 | 2021 |
| 19th Wettest | Wettest since: 2006 | 1983 | ||||
|
Jun 2010–May 2011 12-Month |
21.66" (550.16mm) | 17.44" (442.98mm) |
4.22" (107.18mm) | 109th Driest | Driest since: 2010 | 2021 |
| 19th Wettest | Wettest since: 2006 | 1983 | ||||
|
Dec 2009–May 2011 18-Month |
36.30" (922.02mm) | 30.25" (768.35mm) |
6.05" (153.67mm) | 113th Driest | Driest since: 2010 | 1977 |
| 14th Wettest | Wettest since: 2006 | 1983 | ||||
|
Jun 2009–May 2011 24-Month |
40.12" (1,019.05mm) | 34.89" (886.21mm) |
5.23" (132.84mm) | 109th Driest | Driest since: 2010 | 2022 |
| 18th Wettest | Wettest since: 2006 | 1983 | ||||
|
Jun 2008–May 2011 36-Month |
53.03" (1,346.96mm) | 52.30" (1,328.42mm) |
0.73" (18.54mm) | 76th Driest | Driest since: 2010 | 2022 |
| 50th Wettest | Wettest since: 2007 | 1984 | ||||
|
Jun 2007–May 2011 48-Month |
67.08" (1,703.83mm) | 69.56" (1,766.82mm) |
-2.48" (-62.99mm) | 58th Driest | Driest since: 2010 | 2015 |
| 67th Wettest | Wettest since: 2008 | 1998 | ||||
|
Jun 2006–May 2011 60-Month |
77.68" (1,973.07mm) | 86.83" (2,205.48mm) |
-9.15" (-232.41mm) | 22nd Driest | Driest since: 2004 | 1933 |
| 102nd Wettest | Wettest since: 2010 | 1999 | ||||
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/