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 April 2022. For more information, please see Climatological Rankings.
Contiguous U.S.
Precipitation Rankings, December 1999
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
December 1999 1-Month |
1.73" (43.94mm) | 2.35" (59.69mm) |
-0.62" (-15.75mm) | 20th Driest | Driest since: 1989 | 1930 |
| 108th Wettest | Wettest since: 1998 | 2015 | ||||
| Ties: 1908 | ||||||
|
Nov–Dec 1999 2-Month |
3.17" (80.52mm) | 4.58" (116.33mm) |
-1.41" (-35.81mm) | 5th Driest | Driest since: 1989 | 1976 |
| 123rd Wettest | Wettest since: 1998 | 2015 | ||||
|
Oct–Dec 1999 3-Month |
4.74" (120.40mm) | 6.74" (171.20mm) |
-2.00" (-50.80mm) | 3rd Driest | Driest since: 1939 | 1917 |
| 125th Wettest | Wettest since: 1998 | 2015 | ||||
|
Sep–Dec 1999 4-Month |
7.26" (184.40mm) | 9.23" (234.44mm) |
-1.97" (-50.04mm) | 8th Driest | Driest since: 1956 | 1939 |
| 120th Wettest | Wettest since: 1998 | 2018 | ||||
| Ties: 1908 | ||||||
|
Aug–Dec 1999 5-Month |
9.56" (242.82mm) | 11.85" (300.99mm) |
-2.29" (-58.17mm) | 8th Driest | Driest since: 1976 | 1917 |
| 120th Wettest | Wettest since: 1998 | 2018 | ||||
|
Jul–Dec 1999 6-Month |
12.14" (308.36mm) | 14.62" (371.35mm) |
-2.48" (-62.99mm) | 8th Driest | Driest since: 1976 | 1917 |
| 120th Wettest | Wettest since: 1998 | 2018 | ||||
|
Jun–Dec 1999 7-Month |
15.45" (392.43mm) | 17.55" (445.77mm) |
-2.10" (-53.34mm) | 15th Driest | Driest since: 1980 | 1917 |
| 113th Wettest | Wettest since: 1998 | 2018 | ||||
|
May–Dec 1999 8-Month |
18.36" (466.34mm) | 20.46" (519.68mm) |
-2.10" (-53.34mm) | 18th Driest | Driest since: 1988 | 1917 |
| 110th Wettest | Wettest since: 1998 | 2015 | ||||
|
Apr–Dec 1999 9-Month |
21.23" (539.24mm) | 22.98" (583.69mm) |
-1.75" (-44.45mm) | 26th Driest | Driest since: 1988 | 1956 |
| 102nd Wettest | Wettest since: 1998 | 2015 | ||||
|
Mar–Dec 1999 10-Month |
23.42" (594.87mm) | 25.49" (647.45mm) |
-2.07" (-52.58mm) | 19th Driest | Driest since: 1988 | 1956 |
| 109th Wettest | Wettest since: 1998 | 2015 | ||||
|
Feb–Dec 1999 11-Month |
25.34" (643.64mm) | 27.62" (701.55mm) |
-2.28" (-57.91mm) | 19th Driest | Driest since: 1988 | 1910 |
| 109th Wettest | Wettest since: 1998 | 2018 | ||||
|
Jan–Dec 1999 12-Month |
28.47" (723.14mm) | 29.94" (760.48mm) |
-1.47" (-37.34mm) | 27th Driest | Driest since: 1988 | 1910 |
| 101st Wettest | Wettest since: 1998 | 1973 | ||||
|
Jul 1998–Dec 1999 18-Month |
43.94" (1,116.08mm) | 44.58" (1,132.33mm) |
-0.64" (-16.25mm) | 42nd Driest | Driest since: 1989 | 1954 |
| 85th Wettest | Wettest since: 1998 | 2019 | ||||
|
Jan 1998–Dec 1999 24-Month |
62.36" (1,583.94mm) | 59.90" (1,521.46mm) |
2.46" (62.48mm) | 92nd Driest | Driest since: 1990 | 1931 |
| 35th Wettest | Wettest since: 1998 | 2019 | ||||
|
Jan 1997–Dec 1999 36-Month |
94.22" (2,393.19mm) | 89.86" (2,282.44mm) |
4.36" (110.75mm) | 100th Driest | Driest since: 1991 | 1956 |
| 26th Wettest | Wettest since: 1998 | 2019 | ||||
|
Jan 1996–Dec 1999 48-Month |
127.92" (3,249.17mm) | 119.78" (3,042.41mm) |
8.14" (206.76mm) | 112th Driest | Driest since: 1995 | 1956 |
| 13th Wettest | Wettest since: 1998 | 2019 | ||||
| Ties: 2016 | ||||||
|
Jan 1995–Dec 1999 60-Month |
160.61" (4,079.49mm) | 149.68" (3,801.87mm) |
10.93" (277.62mm) | 114th Driest | Driest since: 1995 | 1956 |
| 10th Wettest | Wettest since: 1998 | 2019 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published May 2022, retrieved on May 19, 2022 from https://www.ncdc.noaa.gov/cag/