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 2020 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 2020
1-Month
-2.53-0.08-2.459th Driest
Driest since:
1976
122nd Wettest
Wettest since:
1964
Nov–Dec 2020
2-Month
-1.95-0.05-1.9014th Driest
Driest since:
1976
117th Wettest
Wettest since:
1983
Oct–Dec 2020
3-Month
-2.220.03-2.259th Driest
Driest since:
1976
122nd Wettest
Wettest since:
1983
Sep–Dec 2020
4-Month
-2.230.08-2.314th Driest
Driest since:
1976
127th Wettest
Wettest since:
1982
Aug–Dec 2020
5-Month
-2.450.08-2.531st DriestDriest to Date2020
130th Wettest
Wettest since:
1983
Jul–Dec 2020
6-Month
-2.340.08-2.421st DriestDriest to Date2020
130th Wettest
Wettest since:
1983
Jun–Dec 2020
7-Month
-1.850.06-1.914th Driest
Driest since:
1935
127th Wettest
Wettest since:
1983
May–Dec 2020
8-Month
-1.920.07-1.992nd Driest
Driest since:
1958
129th Wettest
Wettest since:
1983
Apr–Dec 2020
9-Month
-1.960.07-2.031st DriestDriest to Date2020
130th Wettest
Wettest since:
1983
Mar–Dec 2020
10-Month
-1.760.09-1.852nd Driest
Driest since:
1934
129th Wettest
Wettest since:
1983
Feb–Dec 2020
11-Month
-1.680.11-1.792nd Driest
Driest since:
1934
129th Wettest
Wettest since:
1983
Jan–Dec 2020
12-Month
-1.510.13-1.642nd Driest
Driest since:
1934
129th Wettest
Wettest since:
1983
Jul 2019–Dec 2020
18-Month
-1.150.11-1.264th Driest
Driest since:
1934
126th Wettest
Wettest since:
1983
Jan 2019–Dec 2020
24-Month
-0.350.13-0.4834th Driest
Driest since:
1934
96th Wettest
Wettest since:
1983
Jan 2018–Dec 2020
36-Month
-0.630.13-0.7615th Driest
Driest since:
1935
114th Wettest
Wettest since:
1984
Jan 2017–Dec 2020
48-Month
-0.500.13-0.6321st Driest
Driest since:
1934
107th Wettest
Wettest since:
1985
Jan 2016–Dec 2020
60-Month
-0.430.12-0.5518th Driest
Driest since:
1935
109th Wettest
Wettest since:
1986

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