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 March 2021. For more information, please see Climatological Rankings.
Contiguous U.S.
Precipitation Rankings, May 1999
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 1999 1-Month |
2.91" (73.91mm) | 2.91" (73.91mm) |
0.00" (0.00mm) | 61st Driest | Driest since: 1998 | 1934 |
| 66th Wettest | Wettest since: 1996 | 2019 | ||||
|
Apr–May 1999 2-Month |
5.78" (146.81mm) | 5.43" (137.92mm) |
0.35" (8.89mm) | 85th Driest | Driest since: 1998 | 1934 |
| 42nd Wettest | Wettest since: 1996 | 1957 | ||||
|
Mar–May 1999 3-Month |
7.97" (202.44mm) | 7.94" (201.68mm) |
0.03" (0.76mm) | 67th Driest | Driest since: 1994 | 1925 |
| 60th Wettest | Wettest since: 1998 | 1957, 1991 | ||||
| Ties: 2013 | ||||||
|
Feb–May 1999 4-Month |
9.89" (251.21mm) | 10.07" (255.78mm) |
-0.18" (-4.57mm) | 58th Driest | Driest since: 1994 | 1925 |
| 69th Wettest | Wettest since: 1998 | 2019 | ||||
|
Jan–May 1999 5-Month |
13.02" (330.71mm) | 12.39" (314.71mm) |
0.63" (16.00mm) | 89th Driest | Driest since: 1996 | 1934 |
| 38th Wettest | Wettest since: 1998 | 2019 | ||||
|
Dec 1998–May 1999 6-Month |
15.10" (383.54mm) | 14.73" (374.14mm) |
0.37" (9.40mm) | 72nd Driest | Driest since: 1996 | 1931 |
| 54th Wettest | Wettest since: 1998 | 2019 | ||||
|
Nov 1998–May 1999 7-Month |
17.73" (450.34mm) | 16.96" (430.78mm) |
0.77" (19.56mm) | 88th Driest | Driest since: 1996 | 1934 |
| 38th Wettest | Wettest since: 1998 | 1983 | ||||
|
Oct 1998–May 1999 8-Month |
20.70" (525.78mm) | 19.13" (485.90mm) |
1.57" (39.88mm) | 99th Driest | Driest since: 1996 | 1934 |
| 27th Wettest | Wettest since: 1998 | 2019 | ||||
|
Sep 1998–May 1999 9-Month |
23.21" (589.53mm) | 21.62" (549.15mm) |
1.59" (40.38mm) | 102nd Driest | Driest since: 1996 | 1934 |
| 24th Wettest | Wettest since: 1998 | 2019 | ||||
| Ties: 1919, 1987 | ||||||
|
Aug 1998–May 1999 10-Month |
25.63" (651.00mm) | 24.25" (615.95mm) |
1.38" (35.05mm) | 95th Driest | Driest since: 1996 | 1918 |
| 31st Wettest | Wettest since: 1998 | 2019 | ||||
|
Jul 1998–May 1999 11-Month |
28.49" (723.65mm) | 27.03" (686.56mm) |
1.46" (37.09mm) | 93rd Driest | Driest since: 1996 | 1931 |
| 33rd Wettest | Wettest since: 1998 | 2019 | ||||
|
Jun 1998–May 1999 12-Month |
31.81" (807.97mm) | 29.95" (760.73mm) |
1.86" (47.24mm) | 96th Driest | Driest since: 1996 | 1934 |
| 30th Wettest | Wettest since: 1998 | 2019 | ||||
| Ties: 1987 | ||||||
|
Dec 1997–May 1999 18-Month |
49.22" (1,250.19mm) | 44.70" (1,135.38mm) |
4.52" (114.81mm) | 114th Driest | Driest since: 1996 | 1931 |
| 11th Wettest | Wettest since: 1998 | 2019 | ||||
|
Jun 1997–May 1999 24-Month |
65.36" (1,660.14mm) | 59.92" (1,521.97mm) |
5.44" (138.17mm) | 115th Driest | Driest since: 1997 | 1931 |
| 10th Wettest | Wettest since: 1998 | 2020 | ||||
|
Jun 1996–May 1999 36-Month |
99.64" (2,530.86mm) | 89.88" (2,282.95mm) |
9.76" (247.91mm) | 118th Driest | Driest since: 1998 | 1955 |
| 6th Wettest | Wettest since: 1984 | 2019 | ||||
|
Jun 1995–May 1999 48-Month |
130.46" (3,313.68mm) | 119.78" (3,042.41mm) |
10.68" (271.27mm) | 117th Driest | Driest since: 1997 | 1956 |
| 6th Wettest | Wettest since: 1998 | 2019 | ||||
|
Jun 1994–May 1999 60-Month |
163.78" (4,160.01mm) | 149.64" (3,800.86mm) |
14.14" (359.15mm) | 119th Driest | Driest since: 1998 | 1957 |
| 3rd Wettest | Wettest to Date | 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published April 2021, retrieved on April 17, 2021 from https://www.ncdc.noaa.gov/cag/