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 1998

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
January 1998
1-Month
0.73"
(18.54mm)
0.79"
(20.07mm)
-0.06"
(-1.53mm)
72nd Driest
Driest since:
1944
58th Wettest
Wettest since:
1971
Ties: 1928, 1968
Dec 1997–Jan 1998
2-Month
0.96"
(24.38mm)
1.56"
(39.62mm)
-0.60"
(-15.24mm)
20th Driest
Driest since:
1944
109th Wettest
Wettest since:
1918
Nov 1997–Jan 1998
3-Month
1.48"
(37.59mm)
2.29"
(58.17mm)
-0.81"
(-20.58mm)
22nd Driest
Driest since:
1944
107th Wettest
Wettest since:
1907
Oct 1997–Jan 1998
4-Month
2.24"
(56.90mm)
3.11"
(78.99mm)
-0.87"
(-22.09mm)
24th Driest
Driest since:
1908
105th Wettest
Wettest since:
1907
Ties: 1936
Sep 1997–Jan 1998
5-Month
2.89"
(73.41mm)
4.41"
(112.01mm)
-1.52"
(-38.60mm)
16th Driest
Driest since:
1988
113th Wettest
Wettest since:
1912
Aug 1997–Jan 1998
6-Month
4.44"
(112.78mm)
5.76"
(146.30mm)
-1.32"
(-33.52mm)
27th Driest
Driest since:
2002
102nd Wettest
Wettest since:
1912
Jul 1997–Jan 1998
7-Month
5.87"
(149.10mm)
7.34"
(186.44mm)
-1.47"
(-37.34mm)
29th Driest
Driest since:
1905
100th Wettest
Wettest since:
1912
Ties: 2019
Jun 1997–Jan 1998
8-Month
8.73"
(221.74mm)
10.29"
(261.37mm)
-1.56"
(-39.63mm)
36th Driest
Driest since:
1905
93rd Wettest
Wettest since:
1912
May 1997–Jan 1998
9-Month
11.53"
(292.86mm)
12.45"
(316.23mm)
-0.92"
(-23.37mm)
53rd Driest
Driest since:
1905
76th Wettest
Wettest since:
1928
Apr 1997–Jan 1998
10-Month
12.55"
(318.77mm)
13.56"
(344.42mm)
-1.01"
(-25.65mm)
54th Driest
Driest since:
1905
75th Wettest
Wettest since:
1928
Mar 1997–Jan 1998
11-Month
13.45"
(341.63mm)
14.37"
(365.00mm)
-0.92"
(-23.37mm)
55th Driest
Driest since:
1905
74th Wettest
Wettest since:
1928
Feb 1997–Jan 1998
12-Month
13.85"
(351.79mm)
14.98"
(380.49mm)
-1.13"
(-28.70mm)
51st Driest
Driest since:
1919
78th Wettest
Wettest since:
1928
Aug 1996–Jan 1998
18-Month
20.01"
(508.25mm)
20.76"
(527.30mm)
-0.75"
(-19.05mm)
54th Driest
Driest since:
2002
74th Wettest
Wettest since:
1928
Feb 1996–Jan 1998
24-Month
28.12"
(714.25mm)
30.01"
(762.25mm)
-1.89"
(-48.00mm)
41st Driest
Driest since:
1920
87th Wettest
Wettest since:
1917
Feb 1995–Jan 1998
36-Month
48.04"
(1,220.22mm)
45.06"
(1,144.52mm)
2.98"
(75.70mm)
92nd Driest
Driest since:
1921
35th Wettest
Wettest since:
1899
Feb 1994–Jan 1998
48-Month
59.16"
(1,502.66mm)
60.16"
(1,528.06mm)
-1.00"
(-25.40mm)
55th Driest
Driest since:
1921
71st Wettest
Wettest since:
1900
Feb 1993–Jan 1998
60-Month
79.27"
(2,013.46mm)
75.31"
(1,912.87mm)
3.96"
(100.59mm)
93rd Driest
Driest since:
1922
32nd Wettest
Wettest since:
1900

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