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 2019. For more information, please see Climatological Rankings.


Montana

Precipitation Rankings, May 1999

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
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1999
1-Month
2.36"
(59.94mm)
2.42"
(61.47mm)
-0.06"
(-1.53mm)
65th Driest Driest since: 1998 1937
61st Wettest Wettest since: 1997 1927
Apr–May 1999
2-Month
4.11"
(104.39mm)
3.93"
(99.82mm)
0.18"
(4.57mm)
67th Driest Driest since: 1998 1934
59th Wettest Wettest since: 1997 2011
Mar–May 1999
3-Month
4.88"
(123.95mm)
5.20"
(132.08mm)
-0.32"
(-8.13mm)
49th Driest Driest since: 1994 1931
77th Wettest Wettest since: 1998 2011
Ties: 1988
Feb–May 1999
4-Month
6.26"
(159.00mm)
6.26"
(159.00mm)
0.00"
(0.00mm)
64th Driest Driest since: 1998 1931
62nd Wettest Wettest since: 1997 2011
Jan–May 1999
5-Month
7.71"
(195.83mm)
7.61"
(193.29mm)
0.10"
(2.54mm)
61st Driest Driest since: 1998 1931
65th Wettest Wettest since: 1997 2011
Dec 1998–May 1999
6-Month
9.37"
(238.00mm)
8.90"
(226.06mm)
0.47"
(11.94mm)
71st Driest Driest since: 1998 1931
54th Wettest Wettest since: 1997 2011
Ties: 1930
Nov 1998–May 1999
7-Month
11.29"
(286.77mm)
10.19"
(258.83mm)
1.10"
(27.94mm)
91st Driest Driest since: 1998 1931
34th Wettest Wettest since: 1997 2011
Oct 1998–May 1999
8-Month
12.90"
(327.66mm)
11.44"
(290.58mm)
1.46"
(37.08mm)
99th Driest Driest since: 1998 1931
26th Wettest Wettest since: 1997 2011
Sep 1998–May 1999
9-Month
13.92"
(353.57mm)
12.90"
(327.66mm)
1.02"
(25.91mm)
82nd Driest Driest since: 1998 1905
43rd Wettest Wettest since: 1997 2011
Aug 1998–May 1999
10-Month
15.14"
(384.56mm)
14.22"
(361.19mm)
0.92"
(23.37mm)
81st Driest Driest since: 1998 1905
44th Wettest Wettest since: 1997 2011
Jul 1998–May 1999
11-Month
17.02"
(432.31mm)
15.80"
(401.32mm)
1.22"
(30.99mm)
87th Driest Driest since: 1998 1905
38th Wettest Wettest since: 1997 2011
Jun 1998–May 1999
12-Month
21.04"
(534.42mm)
18.66"
(473.96mm)
2.38"
(60.46mm)
108th Driest Driest since: 1998 1905
17th Wettest Wettest since: 1996 2011
Dec 1997–May 1999
18-Month
28.54"
(724.92mm)
27.58"
(700.53mm)
0.96"
(24.39mm)
72nd Driest Driest since: 1995 1937
52nd Wettest Wettest since: 1998 2011
Ties: 1903
Jun 1997–May 1999
24-Month
39.22"
(996.19mm)
37.34"
(948.44mm)
1.88"
(47.75mm)
84th Driest Driest since: 1998 1937
40th Wettest Wettest since: 1997 1917
Jun 1996–May 1999
36-Month
58.15"
(1,477.01mm)
56.01"
(1,422.65mm)
2.14"
(54.36mm)
81st Driest Driest since: 1994 1937
42nd Wettest Wettest since: 1998 1917
Ties: 1942
Jun 1995–May 1999
48-Month
81.91"
(2,080.51mm)
74.74"
(1,898.40mm)
7.17"
(182.11mm)
114th Driest Driest since: 1998 1937
8th Wettest Wettest since: 1997 1899, 1910
Ties: 2014
Jun 1994–May 1999
60-Month
99.43"
(2,525.52mm)
93.47"
(2,374.14mm)
5.96"
(151.38mm)
104th Driest Driest since: 1996 1938
17th Wettest Wettest since: 1998 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/