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 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, July 2017

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
(1895-2020)
Wettest/Driest
Since
Record
July 2017
1-Month
2.80"
(71.12mm)
2.78"
(70.61mm)
0.02"
(0.51mm)
61st Driest Driest since: 2014 1930
66th Wettest Wettest since: 2016 1950, 1958
Ties: 2008
Jun–Jul 2017
2-Month
5.87"
(149.10mm)
5.70"
(144.78mm)
0.17"
(4.32mm)
70th Driest Driest since: 2016 1930
57th Wettest Wettest since: 2015 1928
May–Jul 2017
3-Month
9.23"
(234.44mm)
8.62"
(218.95mm)
0.61"
(15.49mm)
92nd Driest Driest since: 2016 1988
35th Wettest Wettest since: 2015 2015
Ties: 1943
Apr–Jul 2017
4-Month
12.73"
(323.34mm)
11.13"
(282.70mm)
1.60"
(40.64mm)
117th Driest Driest since: 2016 1934
10th Wettest Wettest since: 2015 2015
Mar–Jul 2017
5-Month
15.32"
(389.13mm)
13.64"
(346.46mm)
1.68"
(42.67mm)
114th Driest Driest since: 2016 1936
13th Wettest Wettest since: 2015 1973
Ties: 1912
Feb–Jul 2017
6-Month
17.57"
(446.28mm)
15.78"
(400.81mm)
1.79"
(45.47mm)
111th Driest Driest since: 2016 1934
16th Wettest Wettest since: 2015 2019
Jan–Jul 2017
7-Month
20.81"
(528.57mm)
18.09"
(459.49mm)
2.72"
(69.08mm)
120th Driest Driest since: 2016 1934
7th Wettest Wettest since: 1998 2019
Ties: 1973
Dec 2016–Jul 2017
8-Month
23.53"
(597.66mm)
20.44"
(519.18mm)
3.09"
(78.48mm)
120th Driest Driest since: 2016 1931
6th Wettest Wettest since: 1998 2019
Nov 2016–Jul 2017
9-Month
25.28"
(642.11mm)
22.66"
(575.56mm)
2.62"
(66.55mm)
112th Driest Driest since: 2015 1934
14th Wettest Wettest since: 2016 2019
Oct 2016–Jul 2017
10-Month
27.67"
(702.82mm)
24.83"
(630.68mm)
2.84"
(72.14mm)
114th Driest Driest since: 2015 1934
12th Wettest Wettest since: 2016 2019
Sep 2016–Jul 2017
11-Month
30.40"
(772.16mm)
27.33"
(694.18mm)
3.07"
(77.98mm)
115th Driest Driest since: 2015 1934
11th Wettest Wettest since: 2016 2019
Aug 2016–Jul 2017
12-Month
33.87"
(860.30mm)
29.95"
(760.73mm)
3.92"
(99.57mm)
120th Driest Driest since: 2016 1918
6th Wettest Wettest since: 1997 2019
Feb 2016–Jul 2017
18-Month
50.19"
(1,274.83mm)
45.74"
(1,161.80mm)
4.45"
(113.03mm)
116th Driest Driest since: 2015 1931
10th Wettest Wettest since: 2016 2019
Aug 2015–Jul 2017
24-Month
67.07"
(1,703.58mm)
59.92"
(1,521.97mm)
7.15"
(181.61mm)
121st Driest Driest since: 2016 1918
4th Wettest Wettest since: 1998 2020
Aug 2014–Jul 2017
36-Month
99.72"
(2,532.89mm)
89.88"
(2,282.95mm)
9.84"
(249.94mm)
120th Driest Driest since: 2016 1956
4th Wettest Wettest since: 1975 2019
Aug 2013–Jul 2017
48-Month
129.69"
(3,294.13mm)
119.78"
(3,042.41mm)
9.91"
(251.72mm)
115th Driest Driest since: 2016 1956
8th Wettest Wettest since: 1999 2019
Aug 2012–Jul 2017
60-Month
159.97"
(4,063.24mm)
149.64"
(3,800.86mm)
10.33"
(262.38mm)
114th 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 2020, retrieved on December 1, 2020 from https://www.ncdc.noaa.gov/cag/