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.

Idaho, Climate Division 2

December 1916 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 1916
1-Month
0.39-0.150.5485th Driest
Driest since:
1976
46th Wettest
Wettest since:
1964
Nov–Dec 1916
2-Month
0.380.020.3677th Driest
Driest since:
1936, 1976
54th Wettest
Wettest since:
1927
Oct–Dec 1916
3-Month
-0.10-0.01-0.0966th Driest
Driest since:
1936
65th Wettest
Wettest since:
1927
Sep–Dec 1916
4-Month
0.24-0.010.2581st Driest
Driest since:
1936
50th Wettest
Wettest since:
1927
Aug–Dec 1916
5-Month
0.58-0.010.5994th Driest
Driest since:
1936
37th Wettest
Wettest since:
1927
Jul–Dec 1916
6-Month
0.930.010.92110th Driest
Driest since:
1936
21st Wettest
Wettest since:
1927
Jun–Dec 1916
7-Month
0.960.010.95107th Driest
Driest since:
1936
24th Wettest
Wettest since:
1995
May–Dec 1916
8-Month
0.920.020.90109th Driest
Driest since:
1936
22nd Wettest
Wettest since:
1927
Apr–Dec 1916
9-Month
0.800.020.78110th Driest
Driest since:
1936
21st Wettest
Wettest since:
1927
Mar–Dec 1916
10-Month
1.100.011.09123rd Driest
Driest since:
1936
8th WettestWettest to Date1948
Feb–Dec 1916
11-Month
1.270.011.26124th Driest
Driest since:
1936
7th WettestWettest to Date1927
Jan–Dec 1916
12-Month
1.150.021.13123rd Driest
Driest since:
1987
8th Wettest
Wettest since:
1927
Jul 1915–Dec 1916
18-Month
0.870.020.85122nd Driest
Driest since:
1936
8th Wettest
Wettest since:
1927
Jan 1915–Dec 1916
24-Month
0.650.020.63119th Driest
Driest since:
1936
11th Wettest
Wettest since:
1996
Jan 1914–Dec 1916
36-Month
0.310.020.29102nd Driest
Driest since:
1936
27th Wettest
Wettest since:
1997
Jan 1913–Dec 1916
48-Month
0.520.020.50119th Driest
Driest since:
1937
9th WettestWettest to Date1998
Jan 1912–Dec 1916
60-Month
0.550.020.53122nd Driest
Driest since:
1938
5th WettestWettest to Date1999

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