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.

Pennsylvania, Climate Division 2

December 1980 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 1980
1-Month
-2.820.09-2.913rd Driest
Driest since:
1955
128th Wettest
Wettest since:
1996
Nov–Dec 1980
2-Month
-1.92-0.09-1.8312th Driest
Driest since:
1931
119th Wettest
Wettest since:
1972
Oct–Dec 1980
3-Month
-1.61-0.02-1.5913th Driest
Driest since:
1930
118th Wettest
Wettest since:
1996
Sep–Dec 1980
4-Month
-1.910.00-1.918th Driest
Driest since:
2024
123rd Wettest
Wettest since:
2018
Aug–Dec 1980
5-Month
-2.270.02-2.293rd Driest
Driest since:
1930
128th Wettest
Wettest since:
2011
Jul–Dec 1980
6-Month
-2.190.01-2.203rd Driest
Driest since:
1930
128th Wettest
Wettest since:
2018
Jun–Dec 1980
7-Month
-2.000.02-2.023rd Driest
Driest since:
1930
128th Wettest
Wettest since:
2018
May–Dec 1980
8-Month
-1.93-0.02-1.913rd Driest
Driest since:
1964
128th Wettest
Wettest since:
2018
Apr–Dec 1980
9-Month
-1.57-0.01-1.564th Driest
Driest since:
1930
127th Wettest
Wettest since:
2018
Ties: 1939
Mar–Dec 1980
10-Month
-1.150.00-1.1513th Driest
Driest since:
1930
118th Wettest
Wettest since:
2011
Feb–Dec 1980
11-Month
-1.270.02-1.295th Driest
Driest since:
1930
126th Wettest
Wettest since:
2018
Ties: 1963
Jan–Dec 1980
12-Month
-1.360.03-1.393rd Driest
Driest since:
1930
128th Wettest
Wettest since:
2018
Jul 1979–Dec 1980
18-Month
-0.710.02-0.7312th Driest
Driest since:
1965
118th Wettest
Wettest since:
2019
Jan 1979–Dec 1980
24-Month
-0.240.03-0.2733rd Driest
Driest since:
1931
97th Wettest
Wettest since:
2019
Jan 1978–Dec 1980
36-Month
-0.020.03-0.0554th Driest
Driest since:
1965
75th Wettest
Wettest since:
2020
Ties: 1944
Jan 1977–Dec 1980
48-Month
0.140.030.1173rd Driest
Driest since:
1966
55th Wettest
Wettest since:
2021
Jan 1976–Dec 1980
60-Month
0.190.030.1683rd Driest
Driest since:
1966
44th Wettest
Wettest since:
1976, 1979, 2021

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