Climate at a Glance
National 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.
Contiguous U.S.
Precipitation Rankings, May 1991
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 1991 1-Month |
3.72" (94.49mm) | 2.91" (73.91mm) |
0.81" (20.58mm) | 119th Driest | Driest since: 1989 | 1934 |
| 10th Wettest | Wettest since: 1990 | 2019 | ||||
| Ties: 1935 | ||||||
|
Apr–May 1991 2-Month |
7.07" (179.58mm) | 5.43" (137.92mm) |
1.64" (41.66mm) | 125th Driest | Driest since: 1990 | 1934 |
| 4th Wettest | Wettest since: 1957 | 1957 | ||||
|
Mar–May 1991 3-Month |
10.40" (264.16mm) | 7.94" (201.68mm) |
2.46" (62.48mm) | 128th Driest | Driest since: 1990 | 1925 |
| 1st Wettest | Wettest since: 1957 | 1957, 1991 | ||||
| Ties: 1957 | ||||||
|
Feb–May 1991 4-Month |
12.04" (305.82mm) | 10.07" (255.78mm) |
1.97" (50.04mm) | 123rd Driest | Driest since: 1990 | 1925 |
| 6th Wettest | Wettest since: 1983 | 2019 | ||||
|
Jan–May 1991 5-Month |
14.41" (366.01mm) | 12.39" (314.71mm) |
2.02" (51.30mm) | 118th Driest | Driest since: 1989 | 1934 |
| 11th Wettest | Wettest since: 1990 | 2019 | ||||
|
Dec 1990–May 1991 6-Month |
17.10" (434.34mm) | 14.73" (374.14mm) |
2.37" (60.20mm) | 121st Driest | Driest since: 1990 | 1931 |
| 7th Wettest | Wettest since: 1983 | 2019 | ||||
|
Nov 1990–May 1991 7-Month |
19.19" (487.43mm) | 16.96" (430.78mm) |
2.23" (56.65mm) | 114th Driest | Driest since: 1990 | 1934 |
| 14th Wettest | Wettest since: 1984 | 1983 | ||||
|
Oct 1990–May 1991 8-Month |
21.95" (557.53mm) | 19.13" (485.90mm) |
2.82" (71.63mm) | 119th Driest | Driest since: 1990 | 1934 |
| 9th Wettest | Wettest since: 1984 | 2019 | ||||
|
Sep 1990–May 1991 9-Month |
23.99" (609.35mm) | 21.62" (549.15mm) |
2.37" (60.20mm) | 112th Driest | Driest since: 1990 | 1934 |
| 16th Wettest | Wettest since: 1984 | 2019 | ||||
|
Aug 1990–May 1991 10-Month |
26.64" (676.66mm) | 24.25" (615.95mm) |
2.39" (60.71mm) | 110th Driest | Driest since: 1990 | 1918 |
| 18th Wettest | Wettest since: 1984 | 2019 | ||||
|
Jul 1990–May 1991 11-Month |
29.58" (751.33mm) | 27.03" (686.56mm) |
2.55" (64.77mm) | 111th Driest | Driest since: 1990 | 1931 |
| 17th Wettest | Wettest since: 1983 | 2019 | ||||
|
Jun 1990–May 1991 12-Month |
32.08" (814.83mm) | 29.95" (760.73mm) |
2.13" (54.10mm) | 101st Driest | Driest since: 1990 | 1934 |
| 27th Wettest | Wettest since: 1983 | 2019 | ||||
|
Dec 1989–May 1991 18-Month |
47.92" (1,217.17mm) | 44.70" (1,135.38mm) |
3.22" (81.79mm) | 108th Driest | Driest since: 1990 | 1931 |
| 19th Wettest | Wettest since: 1984 | 2019 | ||||
|
Jun 1989–May 1991 24-Month |
63.61" (1,615.69mm) | 59.92" (1,521.97mm) |
3.69" (93.72mm) | 105th Driest | Driest since: 1990 | 1931 |
| 22nd Wettest | Wettest since: 1984 | 2020 | ||||
|
Jun 1988–May 1991 36-Month |
91.61" (2,326.89mm) | 89.88" (2,282.95mm) |
1.73" (43.94mm) | 81st Driest | Driest since: 1990 | 1955 |
| 45th Wettest | Wettest since: 1987 | 2019 | ||||
|
Jun 1987–May 1991 48-Month |
118.67" (3,014.22mm) | 119.78" (3,042.41mm) |
-1.11" (-28.19mm) | 49th Driest | Driest since: 1990 | 1956 |
| 76th Wettest | Wettest since: 1988 | 2019 | ||||
|
Jun 1986–May 1991 60-Month |
150.48" (3,822.19mm) | 149.64" (3,800.86mm) |
0.84" (21.33mm) | 63rd Driest | Driest since: 1990 | 1957 |
| 61st Wettest | Wettest since: 1988 | 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, Precipitation, published September 2022, retrieved on September 24, 2022 from https://www.ncdc.noaa.gov/cag/