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 1903

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
January 1903
1-Month
0.33"
(8.38mm)
0.79"
(20.07mm)
-0.46"
(-11.69mm)
13th Driest
Driest since:
1944
117th Wettest
Wettest since:
1971
Ties: 1981, 2001
Dec 1902–Jan 1903
2-Month
1.47"
(37.34mm)
1.56"
(39.62mm)
-0.09"
(-2.28mm)
69th Driest
Driest since:
1944
60th Wettest
Wettest since:
1918
Ties: 1984
Nov 1902–Jan 1903
3-Month
2.69"
(68.33mm)
2.29"
(58.17mm)
0.40"
(10.16mm)
93rd Driest
Driest since:
1944
36th Wettest
Wettest since:
1907
Oct 1902–Jan 1903
4-Month
2.94"
(74.68mm)
3.11"
(78.99mm)
-0.17"
(-4.31mm)
57th Driest
Driest since:
1908
72nd Wettest
Wettest since:
1907
Ties: 2019
Sep 1902–Jan 1903
5-Month
3.39"
(86.11mm)
4.41"
(112.01mm)
-1.02"
(-25.90mm)
30th Driest
Driest to Date
1988
99th Wettest
Wettest since:
1912
Ties: 1914
Aug 1902–Jan 1903
6-Month
4.12"
(104.65mm)
5.76"
(146.30mm)
-1.64"
(-41.65mm)
19th Driest
Driest to Date
2002
110th Wettest
Wettest since:
1912
Jul 1902–Jan 1903
7-Month
5.85"
(148.59mm)
7.34"
(186.44mm)
-1.49"
(-37.85mm)
28th Driest
Driest since:
1905
101st Wettest
Wettest since:
1912
Jun 1902–Jan 1903
8-Month
9.74"
(247.40mm)
10.29"
(261.37mm)
-0.55"
(-13.97mm)
63rd Driest
Driest since:
1905
66th Wettest
Wettest since:
1912
May 1902–Jan 1903
9-Month
13.75"
(349.25mm)
12.45"
(316.23mm)
1.30"
(33.02mm)
92nd Driest
Driest since:
1905
37th Wettest
Wettest since:
1928
Apr 1902–Jan 1903
10-Month
14.08"
(357.63mm)
13.56"
(344.42mm)
0.52"
(13.21mm)
80th Driest
Driest since:
1905
49th Wettest
Wettest since:
1928
Mar 1902–Jan 1903
11-Month
15.03"
(381.76mm)
14.37"
(365.00mm)
0.66"
(16.76mm)
78th Driest
Driest since:
1905
51st Wettest
Wettest since:
1928
Feb 1902–Jan 1903
12-Month
15.76"
(400.30mm)
14.98"
(380.49mm)
0.78"
(19.81mm)
80th Driest
Driest since:
1919
49th Wettest
Wettest since:
1928
Aug 1901–Jan 1903
18-Month
20.19"
(512.83mm)
20.76"
(527.30mm)
-0.57"
(-14.47mm)
60th Driest
Driest since:
2002
68th Wettest
Wettest since:
1928
Feb 1901–Jan 1903
24-Month
29.54"
(750.32mm)
30.01"
(762.25mm)
-0.47"
(-11.93mm)
54th Driest
Driest since:
1920
74th Wettest
Wettest since:
1917
Feb 1900–Jan 1903
36-Month
43.73"
(1,110.74mm)
45.06"
(1,144.52mm)
-1.33"
(-33.78mm)
47th Driest
Driest to Date
1921
80th Wettest
Wettest since:
1899
Feb 1899–Jan 1903
48-Month
62.78"
(1,594.61mm)
60.16"
(1,528.06mm)
2.62"
(66.55mm)
80th Driest
Driest to Date
1921
46th Wettest
Wettest since:
1900
Feb 1898–Jan 1903
60-Month
80.70"
(2,049.78mm)
75.31"
(1,912.87mm)
5.39"
(136.91mm)
101st Driest
Driest to Date
1922
24th Wettest
Wettest since:
1900

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