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 July 2019. 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
Amomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
October 2017
1-Month
2.60"
(66.04mm)
2.16"
(54.86mm)
0.44"
(11.18mm)
94th Driest Driest since: 2016 1952
31st Wettest Wettest since: 2015 2009
Ties: 1929
Sep–Oct 2017
2-Month
4.87"
(123.70mm)
4.65"
(118.11mm)
0.22"
(5.59mm)
78th Driest Driest since: 2012 1952
47th 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)
108th Driest Driest since: 2015 1952
17th Wettest Wettest since: 2016 2018
Jul–Oct 2017
4-Month
11.09"
(281.69mm)
10.05"
(255.27mm)
1.04"
(26.42mm)
106th Driest Driest since: 2015 1952
19th Wettest Wettest since: 2016 1941
Ties: 1945
Jun–Oct 2017
5-Month
14.16"
(359.66mm)
12.97"
(329.44mm)
1.19"
(30.22mm)
103rd Driest Driest since: 2016 1952
22nd Wettest Wettest since: 2015 1941
Ties: 1972
May–Oct 2017
6-Month
17.52"
(445.01mm)
15.88"
(403.35mm)
1.64"
(41.66mm)
110th Driest Driest since: 2016 1952
15th Wettest Wettest since: 2015 1941
Apr–Oct 2017
7-Month
21.02"
(533.91mm)
18.40"
(467.36mm)
2.62"
(66.55mm)
118th Driest Driest since: 2016 1952
7th Wettest Wettest since: 2015 1941
Mar–Oct 2017
8-Month
23.61"
(599.69mm)
20.91"
(531.11mm)
2.70"
(68.58mm)
119th Driest Driest since: 2016 1956
6th Wettest Wettest since: 2015 2009
Ties: 2015
Feb–Oct 2017
9-Month
25.86"
(656.84mm)
23.04"
(585.22mm)
2.82"
(71.62mm)
115th Driest Driest since: 2016 1934
10th Wettest Wettest since: 2009 2018
Jan–Oct 2017
10-Month
29.10"
(739.14mm)
25.36"
(644.14mm)
3.74"
(95.00mm)
123rd Driest Driest since: 2016 1934
2nd Wettest Wettest since: 1998 1998
Dec 2016–Oct 2017
11-Month
31.82"
(808.23mm)
27.70"
(703.58mm)
4.12"
(104.65mm)
123rd Driest Driest since: 2016 1931
1st Wettest Wettest to Date 2017
Nov 2016–Oct 2017
12-Month
33.57"
(852.68mm)
29.93"
(760.22mm)
3.64"
(92.46mm)
116th Driest Driest since: 2015 1934
8th Wettest Wettest since: 2016 1973
May 2016–Oct 2017
18-Month
50.63"
(1,286.00mm)
45.83"
(1,164.08mm)
4.80"
(121.92mm)
118th Driest Driest since: 2015 1931
6th Wettest Wettest since: 2016 2016
Nov 2015–Oct 2017
24-Month
67.93"
(1,725.42mm)
59.90"
(1,521.46mm)
8.03"
(203.96mm)
122nd Driest Driest since: 2016 1931
1st Wettest Wettest to Date 2017
Nov 2014–Oct 2017
36-Month
99.82"
(2,535.43mm)
89.86"
(2,282.44mm)
9.96"
(252.99mm)
120th Driest Driest since: 2016 1956
2nd Wettest Wettest since: 1975 1975
Ties: 2018
Nov 2013–Oct 2017
48-Month
130.21"
(3,307.33mm)
119.78"
(3,042.41mm)
10.43"
(264.92mm)
117th Driest Driest since: 2016 1956
4th Wettest Wettest since: 1998 1998
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
5th Wettest Wettest since: 1999 1997

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 25, 2019 from https://www.ncdc.noaa.gov/cag/