Divisional Rankings

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

Utah, Climate Division 5

December 2017 Palmer Z-Index Rankings

View Period (Months):
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2025)
Driest/Wettest
Since
Record
December 2017
1-Month
-2.37-0.08-2.2910th Driest
Driest since:
1976
121st Wettest
Wettest since:
1964
Ties: 1999
Nov–Dec 2017
2-Month
-2.10-0.05-2.0512th Driest
Driest since:
1976
119th Wettest
Wettest since:
1983
Oct–Dec 2017
3-Month
-2.090.03-2.1211th Driest
Driest since:
1976
120th Wettest
Wettest since:
1983
Sep–Dec 2017
4-Month
-1.120.08-1.2019th Driest
Driest since:
1976
112th Wettest
Wettest since:
1982
Aug–Dec 2017
5-Month
-1.190.08-1.2717th Driest
Driest since:
2020
114th Wettest
Wettest since:
1983
Jul–Dec 2017
6-Month
-1.230.08-1.3112th Driest
Driest since:
2020
119th Wettest
Wettest since:
1983
Jun–Dec 2017
7-Month
-1.340.06-1.4012th Driest
Driest since:
1935
119th Wettest
Wettest since:
1983
May–Dec 2017
8-Month
-1.360.07-1.4312th Driest
Driest since:
1958
119th Wettest
Wettest since:
1983
Apr–Dec 2017
9-Month
-1.180.07-1.2513th Driest
Driest since:
2020
118th Wettest
Wettest since:
1983
Mar–Dec 2017
10-Month
-1.070.09-1.1617th Driest
Driest since:
1934
114th Wettest
Wettest since:
1983
Feb–Dec 2017
11-Month
-0.670.11-0.7830th Driest
Driest since:
1934
101st Wettest
Wettest since:
1983
Jan–Dec 2017
12-Month
-0.090.13-0.2257th Driest
Driest since:
1934
74th Wettest
Wettest since:
1983
Jul 2016–Dec 2017
18-Month
-0.110.11-0.2251st Driest
Driest since:
1934
79th Wettest
Wettest since:
1983
Ties: 2009
Jan 2016–Dec 2017
24-Month
-0.120.13-0.2552nd Driest
Driest since:
1934
78th Wettest
Wettest since:
1983
Ties: 1967
Jan 2015–Dec 2017
36-Month
-0.220.13-0.3541st Driest
Driest since:
1935
88th Wettest
Wettest since:
1984
Jan 2014–Dec 2017
48-Month
-0.150.13-0.2846th Driest
Driest since:
1934
82nd Wettest
Wettest since:
1985
Jan 2013–Dec 2017
60-Month
-0.280.12-0.4035th Driest
Driest since:
1935
92nd Wettest
Wettest since:
1986
Ties: 1902, 1905, 2002

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