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, May 1964

View Period (Months):
Download: csv json xml
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1964
1-Month
1.55"
(39.37mm)
3.93"
(99.82mm)
-2.38"
(-60.45mm)
1st Driest
Driest since:
1964
128th Wettest
Wettest since:
1989
Apr–May 1964
2-Month
7.20"
(182.88mm)
7.57"
(192.28mm)
-0.37"
(-9.40mm)
57th Driest
Driest since:
1926
72nd Wettest
Wettest since:
2011
Mar–May 1964
3-Month
11.15"
(283.21mm)
11.06"
(280.92mm)
0.09"
(2.29mm)
73rd Driest
Driest since:
1926
56th Wettest
Wettest since:
2011
Feb–May 1964
4-Month
13.67"
(347.22mm)
13.66"
(346.96mm)
0.01"
(0.26mm)
62nd Driest
Driest since:
1941
67th Wettest
Wettest since:
2011
Jan–May 1964
5-Month
17.26"
(438.40mm)
16.71"
(424.43mm)
0.55"
(13.97mm)
74th Driest
Driest since:
1941
55th Wettest
Wettest since:
2011
Ties: 1914
Dec 1963–May 1964
6-Month
19.37"
(492.00mm)
19.81"
(503.17mm)
-0.44"
(-11.17mm)
56th Driest
Driest since:
1941
72nd Wettest
Wettest since:
2011
Nov 1963–May 1964
7-Month
24.71"
(627.63mm)
23.02"
(584.71mm)
1.69"
(42.92mm)
89th Driest
Driest since:
1934
39th Wettest
Wettest since:
1952
Ties: 2014
Oct 1963–May 1964
8-Month
24.93"
(633.22mm)
26.19"
(665.23mm)
-1.26"
(-32.01mm)
40th Driest
Driest since:
1925
88th Wettest
Wettest since:
2011
Sep 1963–May 1964
9-Month
27.63"
(701.80mm)
29.75"
(755.65mm)
-2.12"
(-53.85mm)
33rd Driest
Driest since:
1941
95th Wettest
Wettest since:
2019
Aug 1963–May 1964
10-Month
30.30"
(769.62mm)
33.62"
(853.95mm)
-3.32"
(-84.33mm)
26th Driest
Driest since:
1931
102nd Wettest
Wettest since:
2019
Jul 1963–May 1964
11-Month
33.64"
(854.46mm)
37.82"
(960.63mm)
-4.18"
(-106.17mm)
21st Driest
Driest since:
1931
107th Wettest
Wettest since:
2019
Jun 1963–May 1964
12-Month
36.58"
(929.13mm)
41.97"
(1,066.04mm)
-5.39"
(-136.91mm)
15th Driest
Driest since:
1931
113th Wettest
Wettest since:
2019
Dec 1962–May 1964
18-Month
51.79"
(1,315.47mm)
61.76"
(1,568.70mm)
-9.97"
(-253.23mm)
2nd Driest
Driest since:
1931
125th Wettest
Wettest since:
2019
Jun 1962–May 1964
24-Month
71.36"
(1,812.54mm)
83.91"
(2,131.31mm)
-12.55"
(-318.77mm)
5th Driest
Driest since:
1931
122nd Wettest
Wettest since:
2019
Jun 1961–May 1964
36-Month
109.35"
(2,777.49mm)
125.93"
(3,198.62mm)
-16.58"
(-421.13mm)
6th Driest
Driest since:
1965
120th Wettest
Wettest since:
2020
Jun 1960–May 1964
48-Month
149.59"
(3,799.59mm)
167.92"
(4,265.17mm)
-18.33"
(-465.58mm)
6th Driest
Driest since:
1966
119th Wettest
Wettest since:
2020
Jun 1959–May 1964
60-Month
194.79"
(4,947.67mm)
209.84"
(5,329.94mm)
-15.05"
(-382.27mm)
10th Driest
Driest since:
1967
114th Wettest
Wettest since:
2022

Citing This Page