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 September 2019. For more information, please see Climatological Rankings.


Montana

Precipitation Rankings, April 1940

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 1940
1-Month
2.85"
(72.39mm)
1.51"
(38.35mm)
1.34"
(34.04mm)
125th Driest Driest since: 1939 1977
1st Wettest Wettest to Date 1940
Mar–Apr 1940
2-Month
4.31"
(109.47mm)
2.79"
(70.87mm)
1.52"
(38.60mm)
125th Driest Driest since: 1939 1926
1st Wettest Wettest since: 1898 1898, 1940, 1975
Ties: 1898, 1975
Feb–Apr 1940
3-Month
6.25"
(158.75mm)
3.84"
(97.54mm)
2.41"
(61.21mm)
125th Driest Driest since: 1939 1926
1st Wettest Wettest to Date 1940
Jan–Apr 1940
4-Month
7.31"
(185.67mm)
5.20"
(132.08mm)
2.11"
(53.59mm)
124th Driest Driest since: 1939 1931
2nd Wettest Wettest to Date 1975
Dec 1939–Apr 1940
5-Month
8.61"
(218.69mm)
6.49"
(164.85mm)
2.12"
(53.84mm)
119th Driest Driest since: 1939 1931
6th Wettest Wettest since: 1918 1918
Nov 1939–Apr 1940
6-Month
8.87"
(225.30mm)
7.77"
(197.36mm)
1.10"
(27.94mm)
91st Driest Driest since: 1939 1931
34th Wettest Wettest since: 1930 1898
Oct 1939–Apr 1940
7-Month
9.96"
(252.98mm)
9.02"
(229.11mm)
0.94"
(23.87mm)
85th Driest Driest since: 1939 1977
40th Wettest Wettest since: 1930 1898
Sep 1939–Apr 1940
8-Month
10.99"
(279.15mm)
10.48"
(266.19mm)
0.51"
(12.96mm)
70th Driest Driest since: 1939 1905
55th Wettest Wettest since: 1932 2017
Ties: 1932
Aug 1939–Apr 1940
9-Month
11.75"
(298.45mm)
11.81"
(299.97mm)
-0.06"
(-1.52mm)
60th Driest Driest since: 1939 1905
65th Wettest Wettest since: 1934 1907
Ties: 1922
Jul 1939–Apr 1940
10-Month
12.56"
(319.02mm)
13.39"
(340.11mm)
-0.83"
(-21.09mm)
41st Driest Driest since: 1939 1905
84th Wettest Wettest since: 1938 2017
Jun 1939–Apr 1940
11-Month
16.61"
(421.89mm)
16.24"
(412.50mm)
0.37"
(9.39mm)
71st Driest Driest since: 1939 1905
54th Wettest Wettest since: 1933 1916
May 1939–Apr 1940
12-Month
18.79"
(477.27mm)
18.66"
(473.96mm)
0.13"
(3.31mm)
66th Driest Driest since: 1938 1905
59th Wettest Wettest since: 1939 1928
Nov 1938–Apr 1940
18-Month
24.87"
(631.70mm)
26.45"
(671.83mm)
-1.58"
(-40.13mm)
34th Driest Driest since: 1938 1937
90th Wettest Wettest since: 1939 1928
May 1938–Apr 1940
24-Month
37.98"
(964.69mm)
37.35"
(948.69mm)
0.63"
(16.00mm)
67th Driest Driest since: 1939 1937
57th Wettest Wettest since: 1929 1917
May 1937–Apr 1940
36-Month
54.30"
(1,379.22mm)
56.03"
(1,423.16mm)
-1.73"
(-43.94mm)
38th Driest Driest since: 1939 1937
85th Wettest Wettest since: 1930 1909
May 1936–Apr 1940
48-Month
67.49"
(1,714.25mm)
74.75"
(1,898.65mm)
-7.26"
(-184.40mm)
13th Driest Driest since: 1939 1938
109th Wettest Wettest since: 1935 1910
May 1935–Apr 1940
60-Month
81.91"
(2,080.51mm)
93.48"
(2,374.39mm)
-11.57"
(-293.88mm)
7th Driest Driest since: 1939 1938
114th Wettest Wettest since: 1936 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 16, 2019 from https://www.ncdc.noaa.gov/cag/