Statewide Rankings

Statewide 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.

Pennsylvania

Precipitation Rankings, October 1966

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1966
1-Month
2.18"
(55.37mm)
3.17"
(80.52mm)
-0.99"
(-25.15mm)
33rd Driest
Driest since:
1963
96th Wettest
Wettest since:
1976
Sep–Oct 1966
2-Month
6.67"
(169.42mm)
6.75"
(171.45mm)
-0.08"
(-2.03mm)
60th Driest
Driest since:
1963
69th Wettest
Wettest since:
2011
Ties: 1910
Aug–Oct 1966
3-Month
9.66"
(245.36mm)
10.62"
(269.75mm)
-0.96"
(-24.39mm)
41st Driest
Driest since:
1930
88th Wettest
Wettest since:
2011
Jul–Oct 1966
4-Month
12.03"
(305.56mm)
14.81"
(376.17mm)
-2.78"
(-70.61mm)
19th Driest
Driest since:
1930
110th Wettest
Wettest since:
2018
Jun–Oct 1966
5-Month
13.30"
(337.82mm)
18.98"
(482.09mm)
-5.68"
(-144.27mm)
4th Driest
Driest since:
1930
125th Wettest
Wettest since:
2018
May–Oct 1966
6-Month
16.63"
(422.40mm)
22.91"
(581.91mm)
-6.28"
(-159.51mm)
8th Driest
Driest since:
1930
121st Wettest
Wettest since:
2018
Apr–Oct 1966
7-Month
19.99"
(507.75mm)
26.55"
(674.37mm)
-6.56"
(-166.62mm)
5th Driest
Driest since:
1963
124th Wettest
Wettest since:
2018
Mar–Oct 1966
8-Month
22.41"
(569.21mm)
30.04"
(763.02mm)
-7.63"
(-193.81mm)
4th Driest
Driest since:
1930
125th Wettest
Wettest since:
2011
Feb–Oct 1966
9-Month
25.58"
(649.73mm)
32.64"
(829.06mm)
-7.06"
(-179.33mm)
5th Driest
Driest since:
1963
124th Wettest
Wettest since:
2011
Jan–Oct 1966
10-Month
29.03"
(737.36mm)
35.69"
(906.53mm)
-6.66"
(-169.17mm)
7th Driest
Driest since:
1963
122nd Wettest
Wettest since:
2018
Dec 1965–Oct 1966
11-Month
30.29"
(769.37mm)
38.79"
(985.27mm)
-8.50"
(-215.90mm)
3rd Driest
Driest since:
1963
125th Wettest
Wettest since:
2011
Nov 1965–Oct 1966
12-Month
32.72"
(831.09mm)
42.00"
(1,066.80mm)
-9.28"
(-235.71mm)
3rd Driest
Driest since:
1963
125th Wettest
Wettest since:
2011
May 1965–Oct 1966
18-Month
50.92"
(1,293.37mm)
64.86"
(1,647.44mm)
-13.94"
(-354.07mm)
2nd Driest
Driest since:
1963
126th Wettest
Wettest since:
2019
Nov 1964–Oct 1966
24-Month
69.01"
(1,752.85mm)
83.94"
(2,132.08mm)
-14.93"
(-379.23mm)
4th Driest
Driest since:
1964
123rd Wettest
Wettest since:
2019
Nov 1963–Oct 1966
36-Month
107.06"
(2,719.32mm)
125.92"
(3,198.37mm)
-18.86"
(-479.05mm)
5th Driest
Driest since:
1965
121st Wettest
Wettest since:
2019
Nov 1962–Oct 1966
48-Month
136.89"
(3,477.01mm)
167.91"
(4,264.91mm)
-31.02"
(-787.90mm)
1st Driest
Driest since:
1966
124th Wettest
Wettest since:
2021
Nov 1961–Oct 1966
60-Month
175.06"
(4,446.52mm)
209.89"
(5,331.21mm)
-34.83"
(-884.69mm)
1st Driest
Driest since:
1966
123rd Wettest
Wettest since:
2021

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