Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Montana, Climate Division 3. North Central

Precipitation Rankings, January 1970

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 1970
1-Month
1.17"
(29.72mm)
0.79"
(20.07mm)
0.38"
(9.65mm)
108th Driest
Driest since:
1944
21st Wettest
Wettest since:
1971
Dec 1969–Jan 1970
2-Month
1.54"
(39.12mm)
1.56"
(39.62mm)
-0.02"
(-0.50mm)
73rd Driest
Driest since:
1944
55th Wettest
Wettest since:
1918
Nov 1969–Jan 1970
3-Month
1.70"
(43.18mm)
2.29"
(58.17mm)
-0.59"
(-14.99mm)
30th Driest
Driest since:
1944
98th Wettest
Wettest since:
1907
Ties: 1915
Oct 1969–Jan 1970
4-Month
2.87"
(72.90mm)
3.11"
(78.99mm)
-0.24"
(-6.09mm)
54th Driest
Driest since:
1908
74th Wettest
Wettest since:
1907
Sep 1969–Jan 1970
5-Month
3.30"
(83.82mm)
4.41"
(112.01mm)
-1.11"
(-28.19mm)
26th Driest
Driest since:
1988
102nd Wettest
Wettest since:
1912
Ties: 1940
Aug 1969–Jan 1970
6-Month
3.37"
(85.60mm)
5.76"
(146.30mm)
-2.39"
(-60.70mm)
7th Driest
Driest since:
2002
121st Wettest
Wettest since:
1912
Jul 1969–Jan 1970
7-Month
4.84"
(122.94mm)
7.34"
(186.44mm)
-2.50"
(-63.50mm)
8th Driest
Driest since:
1905
120th Wettest
Wettest since:
1912
Jun 1969–Jan 1970
8-Month
8.94"
(227.08mm)
10.29"
(261.37mm)
-1.35"
(-34.29mm)
45th Driest
Driest since:
1905
83rd Wettest
Wettest since:
1912
May 1969–Jan 1970
9-Month
9.96"
(252.98mm)
12.45"
(316.23mm)
-2.49"
(-63.25mm)
26th Driest
Driest since:
1905
102nd Wettest
Wettest since:
1928
Apr 1969–Jan 1970
10-Month
10.86"
(275.84mm)
13.56"
(344.42mm)
-2.70"
(-68.58mm)
21st Driest
Driest since:
1905
107th Wettest
Wettest since:
1928
Mar 1969–Jan 1970
11-Month
11.23"
(285.24mm)
14.37"
(365.00mm)
-3.14"
(-79.76mm)
17th Driest
Driest since:
1905
111th Wettest
Wettest since:
1928
Feb 1969–Jan 1970
12-Month
11.55"
(293.37mm)
14.98"
(380.49mm)
-3.43"
(-87.12mm)
15th Driest
Driest since:
1919
113th Wettest
Wettest since:
1928
Aug 1968–Jan 1970
18-Month
21.04"
(534.42mm)
20.76"
(527.30mm)
0.28"
(7.12mm)
71st Driest
Driest since:
2002
56th Wettest
Wettest since:
1928
Feb 1968–Jan 1970
24-Month
27.96"
(710.18mm)
30.01"
(762.25mm)
-2.05"
(-52.07mm)
35th Driest
Driest since:
1920
92nd Wettest
Wettest since:
1917
Ties: 1915
Feb 1967–Jan 1970
36-Month
42.05"
(1,068.07mm)
45.06"
(1,144.52mm)
-3.01"
(-76.45mm)
31st Driest
Driest since:
1921
95th Wettest
Wettest since:
1899
Feb 1966–Jan 1970
48-Month
56.39"
(1,432.31mm)
60.16"
(1,528.06mm)
-3.77"
(-95.75mm)
28th Driest
Driest since:
1921
97th Wettest
Wettest since:
1900
Feb 1965–Jan 1970
60-Month
74.64"
(1,895.86mm)
75.31"
(1,912.87mm)
-0.67"
(-17.01mm)
55th Driest
Driest since:
1922
69th Wettest
Wettest since:
1900

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