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, May 1945

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1945
1-Month
2.20"
(55.88mm)
2.42"
(61.47mm)
-0.22"
(-5.59mm)
52nd Driest Driest since: 1943 1937
74th Wettest Wettest since: 1944 1927
Apr–May 1945
2-Month
3.61"
(91.69mm)
3.93"
(99.82mm)
-0.32"
(-8.13mm)
52nd Driest Driest since: 1944 1934
74th Wettest Wettest since: 1943 2011
Mar–May 1945
3-Month
5.06"
(128.52mm)
5.20"
(132.08mm)
-0.14"
(-3.56mm)
60th Driest Driest since: 1944 1931
66th Wettest Wettest since: 1942 2011
Feb–May 1945
4-Month
5.90"
(149.86mm)
6.26"
(159.00mm)
-0.36"
(-9.14mm)
51st Driest Driest since: 1944 1931
75th Wettest Wettest since: 1943 2011
Jan–May 1945
5-Month
6.85"
(173.99mm)
7.61"
(193.29mm)
-0.76"
(-19.30mm)
36th Driest Driest since: 1944 1931
90th Wettest Wettest since: 1943 2011
Ties: 1988
Dec 1944–May 1945
6-Month
7.62"
(193.55mm)
8.90"
(226.06mm)
-1.28"
(-32.51mm)
25th Driest Driest since: 1944 1931
100th Wettest Wettest since: 1943 2011
Nov 1944–May 1945
7-Month
8.79"
(223.27mm)
10.19"
(258.83mm)
-1.40"
(-35.56mm)
28th Driest Driest since: 1944 1931
97th Wettest Wettest since: 1943 2011
Oct 1944–May 1945
8-Month
9.04"
(229.62mm)
11.44"
(290.58mm)
-2.40"
(-60.96mm)
13th Driest Driest since: 1944 1931
112th Wettest Wettest since: 1943 2011
Sep 1944–May 1945
9-Month
10.23"
(259.84mm)
12.90"
(327.66mm)
-2.67"
(-67.82mm)
11th Driest Driest since: 1944 1905
114th Wettest Wettest since: 1943 2011
Aug 1944–May 1945
10-Month
11.98"
(304.29mm)
14.22"
(361.19mm)
-2.24"
(-56.90mm)
11th Driest Driest since: 1944 1905
114th Wettest Wettest since: 1943 2011
Jul 1944–May 1945
11-Month
13.03"
(330.96mm)
15.80"
(401.32mm)
-2.77"
(-70.36mm)
11th Driest Driest since: 1944 1905
114th Wettest Wettest since: 1943 2011
Jun 1944–May 1945
12-Month
19.41"
(493.01mm)
18.65"
(473.71mm)
0.76"
(19.30mm)
79th Driest Driest since: 1944 1905
46th Wettest Wettest since: 1943 2011
Dec 1943–May 1945
18-Month
25.96"
(659.38mm)
27.58"
(700.53mm)
-1.62"
(-41.15mm)
33rd Driest Driest since: 1944 1937
91st Wettest Wettest since: 1943 2011
Jun 1943–May 1945
24-Month
35.90"
(911.86mm)
37.34"
(948.44mm)
-1.44"
(-36.58mm)
37th Driest Driest since: 1941 1937
87th Wettest Wettest since: 1944 1917
Jun 1942–May 1945
36-Month
56.11"
(1,425.19mm)
56.01"
(1,422.65mm)
0.10"
(2.54mm)
58th Driest Driest since: 1941 1937
65th Wettest Wettest since: 1944 1917
Jun 1941–May 1945
48-Month
79.74"
(2,025.40mm)
74.74"
(1,898.40mm)
5.00"
(127.00mm)
104th Driest Driest since: 1944 1937
18th Wettest Wettest since: 1918 1899, 1910
Jun 1940–May 1945
60-Month
96.34"
(2,447.04mm)
93.47"
(2,374.14mm)
2.87"
(72.90mm)
77th Driest Driest since: 1944 1938
44th Wettest Wettest since: 1929 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 19, 2019 from https://www.ncdc.noaa.gov/cag/