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 October 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, October 2017

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
October 2017
1-Month
2.60"
(66.04mm)
2.16"
(54.86mm)
0.44"
(11.18mm)
95th Driest Driest since: 2016 1952
33rd Wettest Wettest since: 2015 2009
Ties: 1929
Sep–Oct 2017
2-Month
4.87"
(123.70mm)
4.65"
(118.11mm)
0.22"
(5.59mm)
79th Driest Driest since: 2012 1952
49th Wettest Wettest since: 2016 2018
Ties: 1951, 1983
Aug–Oct 2017
3-Month
8.29"
(210.57mm)
7.27"
(184.66mm)
1.02"
(25.91mm)
109th Driest Driest since: 2015 1952
19th Wettest Wettest since: 2016 2018
Jul–Oct 2017
4-Month
11.09"
(281.69mm)
10.05"
(255.27mm)
1.04"
(26.42mm)
107th Driest Driest since: 2015 1952
21st Wettest Wettest since: 2016 1941
Ties: 1945
Jun–Oct 2017
5-Month
14.16"
(359.66mm)
12.97"
(329.44mm)
1.19"
(30.22mm)
104th Driest Driest since: 2016 1952
24th Wettest Wettest since: 2015 1941
Ties: 1972
May–Oct 2017
6-Month
17.52"
(445.01mm)
15.88"
(403.35mm)
1.64"
(41.66mm)
111th Driest Driest since: 2016 1952
17th Wettest Wettest since: 2015 1941
Apr–Oct 2017
7-Month
21.02"
(533.91mm)
18.40"
(467.36mm)
2.62"
(66.55mm)
120th Driest Driest since: 2016 1952
8th Wettest Wettest since: 2015 1941
Mar–Oct 2017
8-Month
23.61"
(599.69mm)
20.91"
(531.11mm)
2.70"
(68.58mm)
121st Driest Driest since: 2016 1956
7th Wettest Wettest since: 2015 2019
Ties: 2015
Feb–Oct 2017
9-Month
25.86"
(656.84mm)
23.04"
(585.22mm)
2.82"
(71.62mm)
117th Driest Driest since: 2016 1934
11th Wettest Wettest since: 2009 2019
Jan–Oct 2017
10-Month
29.10"
(739.14mm)
25.36"
(644.14mm)
3.74"
(95.00mm)
125th Driest Driest since: 2016 1934
3rd Wettest Wettest since: 1998 2019
Dec 2016–Oct 2017
11-Month
31.82"
(808.23mm)
27.70"
(703.58mm)
4.12"
(104.65mm)
125th Driest Driest since: 2016 1931
2nd Wettest Wettest to Date 2019
Nov 2016–Oct 2017
12-Month
33.57"
(852.68mm)
29.93"
(760.22mm)
3.64"
(92.46mm)
118th Driest Driest since: 2015 1934
9th Wettest Wettest since: 2016 2019
May 2016–Oct 2017
18-Month
50.63"
(1,286.00mm)
45.83"
(1,164.08mm)
4.80"
(121.92mm)
120th Driest Driest since: 2015 1931
7th Wettest Wettest since: 2016 2019
Nov 2015–Oct 2017
24-Month
67.93"
(1,725.42mm)
59.90"
(1,521.46mm)
8.03"
(203.96mm)
124th Driest Driest since: 2016 1931
2nd Wettest Wettest to Date 2019
Nov 2014–Oct 2017
36-Month
99.82"
(2,535.43mm)
89.86"
(2,282.44mm)
9.96"
(252.99mm)
121st Driest Driest since: 2016 1956
4th Wettest Wettest since: 1975 2019
Nov 2013–Oct 2017
48-Month
130.21"
(3,307.33mm)
119.78"
(3,042.41mm)
10.43"
(264.92mm)
118th Driest Driest since: 2016 1956
6th Wettest Wettest since: 1998 2019
Nov 2012–Oct 2017
60-Month
161.22"
(4,094.99mm)
149.66"
(3,801.36mm)
11.56"
(293.63mm)
115th Driest Driest since: 2016 1934
8th Wettest Wettest since: 1999 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on December 6, 2021 from https://www.ncdc.noaa.gov/cag/