Climate at a Glance

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


Idaho

Precipitation Rankings, August 2021

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
August 2021
1-Month
1.24"
(31.50mm)
0.84"
(21.34mm)
0.40"
(10.16mm)
99th Driest Driest since: 2020 1910
29th Wettest Wettest since: 2014 1968
Ties: 1978
Jul–Aug 2021
2-Month
1.83"
(46.48mm)
1.67"
(42.42mm)
0.16"
(4.06mm)
84th Driest Driest since: 2020 1910
44th Wettest Wettest since: 2015 1983
Jun–Aug 2021
3-Month
2.39"
(60.71mm)
3.47"
(88.14mm)
-1.08"
(-27.43mm)
27th Driest Driest since: 2019 1919
101st Wettest Wettest since: 2020 1993
Ties: 1942
May–Aug 2021
4-Month
3.77"
(95.76mm)
5.60"
(142.24mm)
-1.83"
(-46.48mm)
16th Driest Driest since: 2007 1919
112th Wettest Wettest since: 2020 1998
Apr–Aug 2021
5-Month
4.63"
(117.60mm)
7.54"
(191.52mm)
-2.91"
(-73.92mm)
8th Driest Driest since: 1966 1924
120th Wettest Wettest since: 2020 1993
Mar–Aug 2021
6-Month
5.81"
(147.57mm)
9.86"
(250.44mm)
-4.05"
(-102.87mm)
3rd Driest Driest since: 1924 1924
125th Wettest Wettest since: 2020 1993
Feb–Aug 2021
7-Month
8.87"
(225.30mm)
12.32"
(312.93mm)
-3.45"
(-87.63mm)
12th Driest Driest since: 2013 1924
116th Wettest Wettest since: 2020 1904
Jan–Aug 2021
8-Month
11.18"
(283.97mm)
15.34"
(389.64mm)
-4.16"
(-105.67mm)
12th Driest Driest since: 2013 1924
116th Wettest Wettest since: 2020 1907
Dec 2020–Aug 2021
9-Month
13.09"
(332.49mm)
18.24"
(463.30mm)
-5.15"
(-130.81mm)
10th Driest Driest since: 2007 1931
117th Wettest Wettest since: 2020 1997
Nov 2020–Aug 2021
10-Month
15.52"
(394.21mm)
20.94"
(531.88mm)
-5.42"
(-137.67mm)
9th Driest Driest since: 2001 1931
118th Wettest Wettest since: 2020 1997
Oct 2020–Aug 2021
11-Month
17.04"
(432.82mm)
22.68"
(576.07mm)
-5.64"
(-143.25mm)
10th Driest Driest since: 2001 1977
117th Wettest Wettest since: 2020 1997
Sep 2020–Aug 2021
12-Month
17.72"
(450.09mm)
23.89"
(606.81mm)
-6.17"
(-156.72mm)
9th Driest Driest since: 2001 1994
118th Wettest Wettest since: 2020 1997
Mar 2020–Aug 2021
18-Month
27.29"
(693.17mm)
33.76"
(857.50mm)
-6.47"
(-164.33mm)
11th Driest Driest since: 2001 2001
116th Wettest Wettest since: 2020 1996
Sep 2019–Aug 2021
24-Month
40.12"
(1,019.05mm)
47.80"
(1,214.12mm)
-7.68"
(-195.07mm)
8th Driest Driest since: 2002 2001
118th Wettest Wettest since: 2020 1997
Sep 2018–Aug 2021
36-Month
63.50"
(1,612.90mm)
71.64"
(1,819.66mm)
-8.14"
(-206.76mm)
15th Driest Driest since: 2003 1931
110th Wettest Wettest since: 2020 1984
Sep 2017–Aug 2021
48-Month
88.19"
(2,240.03mm)
95.46"
(2,424.68mm)
-7.27"
(-184.65mm)
20th Driest Driest since: 2004 2003
104th Wettest Wettest since: 2020 1998
Sep 2016–Aug 2021
60-Month
118.95"
(3,021.33mm)
119.22"
(3,028.19mm)
-0.27"
(-6.86mm)
67th Driest Driest since: 2016 1937
56th Wettest Wettest since: 2020 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 21, 2021 from https://www.ncdc.noaa.gov/cag/