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, July 2021

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
July 2021
1-Month 		6.24"
(158.50mm)		 4.19"
(106.43mm)		 2.05"
(52.07mm)		 121st Driest
Driest since:
 1909
8th Wettest
Wettest since:
 2018
Jun–Jul 2021
2-Month 		9.78"
(248.41mm)		 8.36"
(212.34mm)		 1.42"
(36.07mm)		 96th Driest
Driest since:
 1966
33rd Wettest
Wettest since:
 1972
May–Jul 2021
3-Month 		14.06"
(357.12mm)		 12.28"
(311.91mm)		 1.78"
(45.21mm)		 98th Driest
Driest since:
 1966
31st Wettest
Wettest since:
 1989
Apr–Jul 2021
4-Month 		16.85"
(427.99mm)		 15.93"
(404.62mm)		 0.92"
(23.37mm)		 79th Driest
Driest since:
 1965
50th Wettest
Wettest since:
 1972
Mar–Jul 2021
5-Month 		19.66"
(499.36mm)		 19.42"
(493.27mm)		 0.24"
(6.09mm)		 65th Driest
Driest since:
 1966
64th Wettest
Wettest since:
 1972
Feb–Jul 2021
6-Month 		22.68"
(576.07mm)		 22.02"
(559.31mm)		 0.66"
(16.76mm)		 72nd Driest
Driest since:
 1965
57th Wettest
Wettest since:
 2018
Jan–Jul 2021
7-Month 		24.47"
(621.54mm)		 25.07"
(636.78mm)		 -0.60"
(-15.24mm)		 54th Driest
Driest since:
 1991
75th Wettest
Wettest since:
 2018
Dec 2020–Jul 2021
8-Month 		28.91"
(734.31mm)		 28.17"
(715.52mm)		 0.74"
(18.79mm)		 75th Driest
Driest since:
 1966
53rd Wettest
Wettest since:
 2019
Nov 2020–Jul 2021
9-Month 		31.88"
(809.75mm)		 31.37"
(796.80mm)		 0.51"
(12.95mm)		 74th Driest
Driest since:
 1966
54th Wettest
Wettest since:
 2019
Oct 2020–Jul 2021
10-Month 		35.51"
(901.95mm)		 34.55"
(877.57mm)		 0.96"
(24.38mm)		 76th Driest
Driest since:
 1934
52nd Wettest
Wettest since:
 2019
Sep 2020–Jul 2021
11-Month 		37.97"
(964.44mm)		 38.11"
(967.99mm)		 -0.14"
(-3.55mm)		 59th Driest
Driest since:
 1965
69th Wettest
Wettest since:
 2019
Aug 2020–Jul 2021
12-Month 		42.34"
(1,075.44mm)		 41.98"
(1,066.29mm)		 0.36"
(9.15mm)		 63rd Driest
Driest since:
 1965
65th Wettest
Wettest since:
 2019
Feb 2020–Jul 2021
18-Month 		64.68"
(1,642.87mm)		 63.96"
(1,624.58mm)		 0.72"
(18.29mm)		 67th Driest
Driest since:
 1966
61st Wettest
Wettest since:
 2019
Aug 2019–Jul 2021
24-Month 		85.33"
(2,167.38mm)		 83.89"
(2,130.81mm)		 1.44"
(36.57mm)		 69th Driest
Driest since:
 1966
58th Wettest
Wettest since:
 2019
Aug 2018–Jul 2021
36-Month 		148.25"
(3,765.55mm)		 125.92"
(3,198.37mm)		 22.33"
(567.18mm)		 121st Driest
Driest since:
 1966
5th Wettest
Wettest since:
 2019
Aug 2017–Jul 2021
48-Month 		198.13"
(5,032.50mm)		 167.89"
(4,264.41mm)		 30.24"
(768.09mm)		 122nd Driest
Driest since:
 1966
3rd Wettest
Wettest since:
 2020
Aug 2016–Jul 2021
60-Month 		246.22"
(6,253.99mm)		 209.81"
(5,329.17mm)		 36.41"
(924.82mm)		 123rd Driest
Driest since:
 1966
1st Wettest
Wettest to Date
 2021

Citing This Page