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, December 1927

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
December 1927
1-Month
1.33"
(33.78mm)
0.77"
(19.56mm)
0.56"
(14.22mm)
115th Driest
Driest since:
1913
14th Wettest
Wettest since:
1917
Nov–Dec 1927
2-Month
3.32"
(84.33mm)
1.49"
(37.85mm)
1.83"
(46.48mm)
126th Driest
Driest since:
1908
3rd Wettest
Wettest since:
1897
Oct–Dec 1927
3-Month
4.36"
(110.74mm)
2.31"
(58.67mm)
2.05"
(52.07mm)
126th Driest
Driest since:
1907
3rd Wettest
Wettest since:
1946
Sep–Dec 1927
4-Month
5.76"
(146.30mm)
3.60"
(91.44mm)
2.16"
(54.86mm)
119th Driest
Driest since:
1904
10th Wettest
Wettest since:
1911
Aug–Dec 1927
5-Month
7.57"
(192.28mm)
4.94"
(125.48mm)
2.63"
(66.80mm)
116th Driest
Driest since:
1904
13th Wettest
Wettest since:
1985
Jul–Dec 1927
6-Month
10.28"
(261.11mm)
6.53"
(165.86mm)
3.75"
(95.25mm)
122nd Driest
Driest since:
1904
7th Wettest
Wettest since:
1911
Jun–Dec 1927
7-Month
12.26"
(311.40mm)
9.48"
(240.79mm)
2.78"
(70.61mm)
115th Driest
Driest since:
1904
14th Wettest
Wettest since:
1993
May–Dec 1927
8-Month
19.71"
(500.63mm)
11.64"
(295.66mm)
8.07"
(204.97mm)
128th Driest
Driest since:
1904
1st Wettest
Wettest to Date
1927
Apr–Dec 1927
9-Month
20.97"
(532.64mm)
12.74"
(323.60mm)
8.23"
(209.04mm)
128th Driest
Driest since:
1904
1st Wettest
Wettest to Date
1927
Mar–Dec 1927
10-Month
21.54"
(547.12mm)
13.55"
(344.17mm)
7.99"
(202.95mm)
127th Driest
Driest since:
1904
2nd Wettest
Wettest to Date
1975
Feb–Dec 1927
11-Month
22.50"
(571.50mm)
14.16"
(359.66mm)
8.34"
(211.84mm)
128th Driest
Driest since:
1904
1st Wettest
Wettest to Date
1927
Jan–Dec 1927
12-Month
23.49"
(596.65mm)
14.96"
(379.98mm)
8.53"
(216.67mm)
128th Driest
Driest since:
1904
1st Wettest
Wettest to Date
1927
Jul 1926–Dec 1927
18-Month
30.54"
(775.72mm)
21.51"
(546.35mm)
9.03"
(229.37mm)
127th Driest
Driest since:
1905
1st Wettest
Wettest to Date
1927
Jan 1926–Dec 1927
24-Month
36.06"
(915.92mm)
29.93"
(760.22mm)
6.13"
(155.70mm)
120th Driest
Driest since:
1919
8th Wettest
Wettest since:
1897
Jan 1925–Dec 1927
36-Month
53.02"
(1,346.71mm)
44.97"
(1,142.24mm)
8.05"
(204.47mm)
122nd Driest
Driest since:
1919
5th Wettest
Wettest since:
1898
Jan 1924–Dec 1927
48-Month
68.48"
(1,739.39mm)
60.02"
(1,524.51mm)
8.46"
(214.88mm)
118th Driest
Driest since:
1920
8th Wettest
Wettest since:
1899
Jan 1923–Dec 1927
60-Month
86.87"
(2,206.50mm)
75.12"
(1,908.05mm)
11.75"
(298.45mm)
122nd Driest
Driest since:
1921
3rd Wettest
Wettest since:
1899

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