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: xml csv json
  • Record Driest
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  • Record Wettest
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/