Regional Rankings
Northern Rockies and Plains
September 2012 Precipitation Rankings
Period | Value | 1901-2000 Mean | Anomaly | Rank (1895-2024) | Driest/Wettest Since | Record |
---|---|---|---|---|---|---|
September 2012 1-Month | 0.29in (7.37mm) | 1.58in (40.13mm) | -1.29in | 1st Driest | Driest to Date | 2012 |
130th Wettest | Wettest since: | 1973 | ||||
Aug– 2-Month | 1.11in (28.19mm) | 3.32in (84.33mm) | -2.21in | 1st Driest | Driest to Date | 2012 |
130th Wettest | Wettest since: | 2019 | ||||
Jul– 3-Month | 2.50in (63.50mm) | 5.39in (136.91mm) | -2.89in | 1st Driest | Driest to Date | 2012 |
130th Wettest | Wettest since: | 1993 | ||||
Jun– 4-Month | 4.25in (107.95mm) | 8.35in (212.09mm) | -4.10in | 1st Driest | Driest to Date | 2012 |
130th Wettest | Wettest since: | 1993 | ||||
May– 5-Month | 6.42in (163.07mm) | 10.97in (278.64mm) | -4.55in | 2nd Driest | Driest since: | 1936 |
129th Wettest | Wettest since: | 1915 | ||||
Apr– 6-Month | 8.62in (218.95mm) | 12.71in (322.83mm) | -4.09in | 3rd Driest | Driest since: | 1936 |
128th Wettest | Wettest since: | 1915 | ||||
Mar– 7-Month | 9.47in (240.54mm) | 13.86in (352.04mm) | -4.39in | 3rd Driest | Driest since: | 1936 |
128th Wettest | Wettest since: | 1915 | ||||
Feb– 8-Month | 10.52in (267.21mm) | 14.66in (372.36mm) | -4.14in | 3rd Driest | Driest since: | 1934 |
128th Wettest | Wettest since: | 1915 | ||||
Jan– 9-Month | 11.24in (285.50mm) | 15.54in (394.72mm) | -4.30in | 3rd Driest | Driest since: | 1934 |
128th Wettest | Wettest since: | 1915 | ||||
Dec 2011– 10-Month | 11.86in (301.24mm) | 16.41in (416.81mm) | -4.55in | 4th Driest | Driest since: | 1931 |
126th Wettest | Wettest since: | 2019 | ||||
Nov 2011– 11-Month | 12.63in (320.80mm) | 17.36in (440.94mm) | -4.73in | 3rd Driest | Driest since: | 1934 |
127th Wettest | Wettest since: | 2019 | ||||
Oct 2011– 12-Month | 14.28in (362.71mm) | 18.61in (472.69mm) | -4.33in | 4th Driest | Driest since: | 1934, 1936 |
126th Wettest | Wettest since: | 2019 | ||||
Apr 2011– 18-Month | 29.87in (758.70mm) | 31.33in (795.78mm) | -1.46in | 39th Driest | Driest since: | 1937 |
91st Wettest | Wettest since: | 2011 | ||||
Oct 2010– 24-Month | 36.80in (934.72mm) | 37.24in (945.90mm) | -0.44in | 51st Driest | Driest since: | 1937 |
78th Wettest | Wettest since: | 2011 | ||||
Oct 2009– 36-Month | 59.99in (1,523.75mm) | 55.83in | 4.16in | 106th Driest | Driest since: | 1936 |
22nd Wettest | Wettest since: | 2011 | ||||
Oct 2008– 48-Month | 80.24in (2,038.10mm) | 74.41in | 5.83in | 110th Driest | Driest since: | 1937 |
17th Wettest | Wettest since: | 2011 | ||||
Oct 2007– 60-Month | 100.01in (2,540.25mm) | 92.97in | 7.04in | 110th Driest | Driest since: | 1937 |
16th Wettest | Wettest since: | 1999 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2025, retrieved on January 21, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings