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 2021. For more information, please see Climatological Rankings.
Contiguous U.S.
Precipitation Rankings, December 2018
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
December 2018 1-Month |
3.25" (82.55mm) | 2.35" (59.69mm) |
0.90" (22.86mm) | 120th Driest | Driest since: 2017 | 1930 |
| 7th Wettest | Wettest since: 2015 | 2015 | ||||
|
Nov–Dec 2018 2-Month |
5.96" (151.38mm) | 4.58" (116.33mm) |
1.38" (35.05mm) | 118th Driest | Driest since: 2017 | 1976 |
| 9th Wettest | Wettest since: 2015 | 2015 | ||||
|
Oct–Dec 2018 3-Month |
9.39" (238.51mm) | 6.74" (171.20mm) |
2.65" (67.31mm) | 124th Driest | Driest since: 2017 | 1917 |
| 3rd Wettest | Wettest since: 2015 | 2015 | ||||
|
Sep–Dec 2018 4-Month |
12.96" (329.18mm) | 9.23" (234.44mm) |
3.73" (94.74mm) | 126th Driest | Driest since: 2017 | 1939 |
| 1st Wettest | Wettest to Date | 2018 | ||||
|
Aug–Dec 2018 5-Month |
15.94" (404.88mm) | 11.85" (300.99mm) |
4.09" (103.89mm) | 126th Driest | Driest since: 2017 | 1917 |
| 1st Wettest | Wettest to Date | 2018 | ||||
|
Jul–Dec 2018 6-Month |
18.80" (477.52mm) | 14.62" (371.35mm) |
4.18" (106.17mm) | 126th Driest | Driest since: 2017 | 1917 |
| 1st Wettest | Wettest to Date | 2018 | ||||
|
Jun–Dec 2018 7-Month |
21.95" (557.53mm) | 17.55" (445.77mm) |
4.40" (111.76mm) | 126th Driest | Driest since: 2017 | 1917 |
| 1st Wettest | Wettest to Date | 2018 | ||||
|
May–Dec 2018 8-Month |
24.97" (634.24mm) | 20.46" (519.68mm) |
4.51" (114.56mm) | 125th Driest | Driest since: 2017 | 1917 |
| 2nd Wettest | Wettest since: 2015 | 2015 | ||||
|
Apr–Dec 2018 9-Month |
27.43" (696.72mm) | 22.98" (583.69mm) |
4.45" (113.03mm) | 125th Driest | Driest since: 2017 | 1956 |
| 2nd Wettest | Wettest since: 2015 | 2015 | ||||
|
Mar–Dec 2018 10-Month |
29.91" (759.71mm) | 25.49" (647.45mm) |
4.42" (112.26mm) | 123rd Driest | Driest since: 2017 | 1956 |
| 4th Wettest | Wettest since: 2015 | 2015 | ||||
|
Feb–Dec 2018 11-Month |
32.80" (833.12mm) | 27.62" (701.55mm) |
5.18" (131.57mm) | 126th Driest | Driest since: 2017 | 1910 |
| 1st Wettest | Wettest to Date | 2018 | ||||
|
Jan–Dec 2018 12-Month |
34.65" (880.11mm) | 29.94" (760.48mm) |
4.71" (119.63mm) | 123rd Driest | Driest since: 2017 | 1910 |
| 4th Wettest | Wettest since: 1983 | 1973 | ||||
|
Jul 2017–Dec 2018 18-Month |
48.95" (1,243.33mm) | 44.58" (1,132.33mm) |
4.37" (111.00mm) | 116th Driest | Driest since: 2017 | 1954 |
| 10th Wettest | Wettest since: 2016 | 2019 | ||||
|
Jan 2017–Dec 2018 24-Month |
66.96" (1,700.78mm) | 59.90" (1,521.46mm) |
7.06" (179.32mm) | 123rd Driest | Driest since: 2017 | 1931 |
| 3rd Wettest | Wettest since: 1983 | 2019 | ||||
|
Jan 2016–Dec 2018 36-Month |
98.38" (2,498.85mm) | 89.86" (2,282.44mm) |
8.52" (216.41mm) | 118th Driest | Driest since: 2017 | 1956 |
| 7th Wettest | Wettest since: 1998 | 2019 | ||||
|
Jan 2015–Dec 2018 48-Month |
132.97" (3,377.44mm) | 119.78" (3,042.41mm) |
13.19" (335.03mm) | 122nd Driest | Driest since: 2017 | 1956 |
| 2nd Wettest | Wettest to Date | 2019 | ||||
|
Jan 2014–Dec 2018 60-Month |
163.82" (4,161.03mm) | 149.68" (3,801.87mm) |
14.14" (359.16mm) | 121st Driest | Driest since: 2017 | 1956 |
| 2nd Wettest | Wettest to Date | 2019 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published May 2021, retrieved on May 10, 2021 from https://www.ncdc.noaa.gov/cag/