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 January 2020. For more information, please see Climatological Rankings.


Montana

Precipitation Rankings, April 1978

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
(1895-2019)
Wettest/Driest
Since
Record
April 1978
1-Month
1.79"
(45.47mm)
1.51"
(38.35mm)
0.28"
(7.12mm)
82nd Driest Driest since: 1977 1977
44th Wettest Wettest since: 1976 1940
Ties: 1969
Mar–Apr 1978
2-Month
2.44"
(61.98mm)
2.79"
(70.87mm)
-0.35"
(-8.89mm)
36th Driest Driest since: 1977 1926
90th Wettest Wettest since: 1976 1898, 1940, 1975
Ties: 1944, 1969
Feb–Apr 1978
3-Month
3.71"
(94.23mm)
3.84"
(97.54mm)
-0.13"
(-3.31mm)
54th Driest Driest since: 1977 1926
72nd Wettest Wettest since: 1976 1940
Ties: 1912, 2002
Jan–Apr 1978
4-Month
5.32"
(135.13mm)
5.20"
(132.08mm)
0.12"
(3.05mm)
68th Driest Driest since: 1977 1931
58th Wettest Wettest since: 1975 1975
Ties: 1995
Dec 1977–Apr 1978
5-Month
8.06"
(204.72mm)
6.49"
(164.85mm)
1.57"
(39.87mm)
110th Driest Driest since: 1977 1931
15th Wettest Wettest since: 1975 1918
Nov 1977–Apr 1978
6-Month
9.55"
(242.57mm)
7.77"
(197.36mm)
1.78"
(45.21mm)
109th Driest Driest since: 1977 1931
16th Wettest Wettest since: 1974 1898
Oct 1977–Apr 1978
7-Month
10.59"
(268.99mm)
9.02"
(229.11mm)
1.57"
(39.88mm)
102nd Driest Driest since: 1977 1977
23rd Wettest Wettest since: 1976 1898
Sep 1977–Apr 1978
8-Month
13.02"
(330.71mm)
10.48"
(266.19mm)
2.54"
(64.52mm)
114th Driest Driest since: 1977 1905
11th Wettest Wettest since: 1974 2017
Aug 1977–Apr 1978
9-Month
14.91"
(378.71mm)
11.81"
(299.97mm)
3.10"
(78.74mm)
118th Driest Driest since: 1977 1905
7th Wettest Wettest since: 1969 1907
Ties: 1947
Jul 1977–Apr 1978
10-Month
16.45"
(417.83mm)
13.39"
(340.11mm)
3.06"
(77.72mm)
117th Driest Driest since: 1977 1905
8th Wettest Wettest since: 1947 2017
Ties: 1907
Jun 1977–Apr 1978
11-Month
18.11"
(459.99mm)
16.24"
(412.50mm)
1.87"
(47.49mm)
99th Driest Driest since: 1977 1905
26th Wettest Wettest since: 1976 1916
May 1977–Apr 1978
12-Month
20.73"
(526.54mm)
18.66"
(473.96mm)
2.07"
(52.58mm)
95th Driest Driest since: 1977 1905
30th Wettest Wettest since: 1976 1928
Nov 1976–Apr 1978
18-Month
25.58"
(649.73mm)
26.45"
(671.83mm)
-0.87"
(-22.10mm)
47th Driest Driest since: 1977 1937
77th Wettest Wettest since: 1976 1928
May 1976–Apr 1978
24-Month
35.98"
(913.89mm)
37.35"
(948.69mm)
-1.37"
(-34.80mm)
37th Driest Driest since: 1962 1937
87th Wettest Wettest since: 1977 1917
May 1975–Apr 1978
36-Month
58.96"
(1,497.58mm)
56.03"
(1,423.16mm)
2.93"
(74.42mm)
85th Driest Driest since: 1977 1937
38th Wettest Wettest since: 1976 1909
May 1974–Apr 1978
48-Month
79.08"
(2,008.63mm)
74.75"
(1,898.65mm)
4.33"
(109.98mm)
95th Driest Driest since: 1977 1938
27th Wettest Wettest since: 1976 1910
May 1973–Apr 1978
60-Month
97.89"
(2,486.41mm)
93.48"
(2,374.39mm)
4.41"
(112.02mm)
90th Driest Driest since: 1977 1938
31st Wettest Wettest since: 1976 1910

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 18, 2020 from https://www.ncdc.noaa.gov/cag/