Climate at a Glance

Regional 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 August 2020. For more information, please see Climatological Rankings.


Great Lakes Basin

Precipitation Rankings, July 2020

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 2020
1-Month
4.20"
(106.68mm)
3.25"
(82.55mm)
0.95"
(24.13mm)
110th Driest Driest since: 2019 1936
17th Wettest Wettest since: 2010 1992
Jun–Jul 2020
2-Month
7.22"
(183.39mm)
6.72"
(170.69mm)
0.50"
(12.70mm)
79th Driest Driest since: 2018 1936
48th Wettest Wettest since: 2019 1902
May–Jul 2020
3-Month
11.19"
(284.23mm)
9.94"
(252.48mm)
1.25"
(31.75mm)
99th Driest Driest since: 2018 1934
28th Wettest Wettest since: 2019 1902
Apr–Jul 2020
4-Month
14.01"
(355.85mm)
12.74"
(323.60mm)
1.27"
(32.25mm)
93rd Driest Driest since: 2018 1936
34th Wettest Wettest since: 2019 2017
Mar–Jul 2020
5-Month
17.10"
(434.34mm)
15.00"
(381.00mm)
2.10"
(53.34mm)
104th Driest Driest since: 2018 1895
23rd Wettest Wettest since: 2019 2017
Feb–Jul 2020
6-Month
18.62"
(472.95mm)
16.66"
(423.16mm)
1.96"
(49.79mm)
98th Driest Driest since: 2018 1895
29th Wettest Wettest since: 2019 2017
Jan–Jul 2020
7-Month
21.42"
(544.07mm)
18.63"
(473.20mm)
2.79"
(70.87mm)
113th Driest Driest since: 2018 1934
14th Wettest Wettest since: 2019 2017
Dec 2019–Jul 2020
8-Month
24.75"
(628.65mm)
20.78"
(527.81mm)
3.97"
(100.84mm)
116th Driest Driest since: 2018 1934
10th Wettest Wettest since: 2019 2017
Nov 2019–Jul 2020
9-Month
27.24"
(691.90mm)
23.43"
(595.12mm)
3.81"
(96.78mm)
111th Driest Driest since: 2018 1934
15th Wettest Wettest since: 2019 2017
Oct 2019–Jul 2020
10-Month
32.37"
(822.20mm)
26.19"
(665.23mm)
6.18"
(156.97mm)
123rd Driest Driest since: 2018 1934
3rd Wettest Wettest since: 2019 2019
Sep 2019–Jul 2020
11-Month
37.06"
(941.32mm)
29.56"
(750.82mm)
7.50"
(190.50mm)
123rd Driest Driest since: 2018 1931
3rd Wettest Wettest since: 2019 2019
Aug 2019–Jul 2020
12-Month
40.09"
(1,018.29mm)
32.79"
(832.87mm)
7.30"
(185.42mm)
123rd Driest Driest since: 2018 1931
3rd Wettest Wettest since: 2019 2019
Feb 2019–Jul 2020
18-Month
61.51"
(1,562.35mm)
49.43"
(1,255.52mm)
12.08"
(306.83mm)
125th Driest Driest since: 2019 1931
1st Wettest Wettest to Date 2020
Aug 2018–Jul 2020
24-Month
82.42"
(2,093.47mm)
65.55"
(1,664.97mm)
16.87"
(428.50mm)
124th Driest Driest since: 2019 1931
1st Wettest Wettest to Date 2020
Aug 2017–Jul 2020
36-Month
118.44"
(3,008.38mm)
98.33"
(2,497.58mm)
20.11"
(510.80mm)
122nd Driest Driest since: 2018 1936
2nd Wettest Wettest since: 2019 2019
Aug 2016–Jul 2020
48-Month
160.61"
(4,079.49mm)
131.08"
(3,329.43mm)
29.53"
(750.06mm)
122nd Driest Driest since: 2019 1934
1st Wettest Wettest to Date 2020
Aug 2015–Jul 2020
60-Month
195.25"
(4,959.35mm)
163.85"
(4,161.79mm)
31.40"
(797.56mm)
121st Driest Driest since: 2019 1934
1st Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published September 2020, retrieved on September 19, 2020 from https://www.ncdc.noaa.gov/cag/