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 June 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, October 2018

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 2018
1-Month
3.43"
(87.12mm)
2.16"
(54.86mm)
1.27"
(32.26mm)
120th Driest Driest since: 2017 1952
6th Wettest Wettest since: 2009 2009
Sep–Oct 2018
2-Month
7.00"
(177.80mm)
4.65"
(118.11mm)
2.35"
(59.69mm)
125th Driest Driest since: 2017 1952
1st Wettest Wettest to Date 2018
Aug–Oct 2018
3-Month
9.98"
(253.49mm)
7.27"
(184.66mm)
2.71"
(68.83mm)
125th Driest Driest since: 2017 1952
1st Wettest Wettest to Date 2018
Jul–Oct 2018
4-Month
12.84"
(326.14mm)
10.05"
(255.27mm)
2.79"
(70.87mm)
124th Driest Driest since: 2017 1952
2nd Wettest Wettest since: 1941 1941
Jun–Oct 2018
5-Month
15.99"
(406.15mm)
12.97"
(329.44mm)
3.02"
(76.71mm)
124th Driest Driest since: 2017 1952
2nd Wettest Wettest since: 1941 1941
May–Oct 2018
6-Month
19.01"
(482.85mm)
15.88"
(403.35mm)
3.13"
(79.50mm)
123rd Driest Driest since: 2017 1952
3rd Wettest Wettest since: 1941 1941
Apr–Oct 2018
7-Month
21.47"
(545.34mm)
18.40"
(467.36mm)
3.07"
(77.98mm)
120th Driest Driest since: 2017 1952
6th Wettest Wettest since: 2015 1941
Mar–Oct 2018
8-Month
23.95"
(608.33mm)
20.91"
(531.11mm)
3.04"
(77.22mm)
120th Driest Driest since: 2017 1956
6th Wettest Wettest since: 2009 2019
Feb–Oct 2018
9-Month
26.84"
(681.74mm)
23.04"
(585.22mm)
3.80"
(96.52mm)
124th Driest Driest since: 2017 1934
2nd Wettest Wettest to Date 2019
Jan–Oct 2018
10-Month
28.69"
(728.73mm)
25.36"
(644.14mm)
3.33"
(84.59mm)
121st Driest Driest since: 2016 1934
5th Wettest Wettest since: 2017 2019
Dec 2017–Oct 2018
11-Month
30.28"
(769.11mm)
27.70"
(703.58mm)
2.58"
(65.53mm)
110th Driest Driest since: 2015 1931
15th Wettest Wettest since: 2017 2019
Nov 2017–Oct 2018
12-Month
31.90"
(810.26mm)
29.93"
(760.22mm)
1.97"
(50.04mm)
97th Driest Driest since: 2015 1934
28th Wettest Wettest since: 2017 2019
May 2017–Oct 2018
18-Month
49.42"
(1,255.27mm)
45.83"
(1,164.08mm)
3.59"
(91.19mm)
109th Driest Driest since: 2015 1931
16th Wettest Wettest since: 2017 2019
Nov 2016–Oct 2018
24-Month
65.47"
(1,662.94mm)
59.90"
(1,521.46mm)
5.57"
(141.48mm)
113th Driest Driest since: 2015 1931
11th Wettest Wettest since: 2017 2019
Nov 2015–Oct 2018
36-Month
99.83"
(2,535.68mm)
89.86"
(2,282.44mm)
9.97"
(253.24mm)
120th Driest Driest since: 2017 1956
3rd Wettest Wettest since: 1975 2019
Nov 2014–Oct 2018
48-Month
131.72"
(3,345.69mm)
119.78"
(3,042.41mm)
11.94"
(303.28mm)
119th Driest Driest since: 2017 1956
3rd Wettest Wettest since: 1998 2019
Nov 2013–Oct 2018
60-Month
162.11"
(4,117.59mm)
149.66"
(3,801.36mm)
12.45"
(316.23mm)
116th Driest Driest since: 2017 1934
5th Wettest Wettest since: 1999 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published July 2020, retrieved on July 9, 2020 from https://www.ncdc.noaa.gov/cag/