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, June 1940

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
June 1940
1-Month
4.25"
(107.95mm)
4.17"
(105.92mm)
0.08"
(2.03mm)
75th Driest
Driest since:
1966
54th Wettest
Wettest since:
1972
Ties: 1958
May–Jun 1940
2-Month
8.68"
(220.47mm)
8.10"
(205.74mm)
0.58"
(14.73mm)
80th Driest
Driest since:
1991
49th Wettest
Wettest since:
1972
Apr–Jun 1940
3-Month
13.95"
(354.33mm)
11.74"
(298.20mm)
2.21"
(56.13mm)
103rd Driest
Driest since:
1965
26th Wettest
Wettest since:
1972
Mar–Jun 1940
4-Month
18.83"
(478.28mm)
15.23"
(386.84mm)
3.60"
(91.44mm)
118th Driest
Driest since:
1926
11th Wettest
Wettest since:
1972
Feb–Jun 1940
5-Month
22.14"
(562.36mm)
17.83"
(452.88mm)
4.31"
(109.48mm)
118th Driest
Driest since:
1941
11th Wettest
Wettest since:
1972
Jan–Jun 1940
6-Month
23.53"
(597.66mm)
20.88"
(530.35mm)
2.65"
(67.31mm)
103rd Driest
Driest since:
1941
26th Wettest
Wettest since:
1972
Dec 1939–Jun 1940
7-Month
25.89"
(657.61mm)
23.98"
(609.09mm)
1.91"
(48.52mm)
91st Driest
Driest since:
1941
37th Wettest
Wettest since:
1972
Nov 1939–Jun 1940
8-Month
26.91"
(683.51mm)
27.19"
(690.63mm)
-0.28"
(-7.12mm)
65th Driest
Driest since:
1934
63rd Wettest
Wettest since:
2019
Oct 1939–Jun 1940
9-Month
30.84"
(783.34mm)
30.36"
(771.14mm)
0.48"
(12.20mm)
65th Driest
Driest since:
1925
63rd Wettest
Wettest since:
2019
Sep 1939–Jun 1940
10-Month
34.14"
(867.16mm)
33.92"
(861.57mm)
0.22"
(5.59mm)
67th Driest
Driest since:
1965
61st Wettest
Wettest since:
2019
Aug 1939–Jun 1940
11-Month
36.84"
(935.74mm)
37.79"
(959.87mm)
-0.95"
(-24.13mm)
53rd Driest
Driest since:
1931
75th Wettest
Wettest since:
2019
Jul 1939–Jun 1940
12-Month
40.18"
(1,020.57mm)
41.99"
(1,066.55mm)
-1.81"
(-45.98mm)
43rd Driest
Driest since:
1931
85th Wettest
Wettest since:
2019
Jan 1939–Jun 1940
18-Month
60.96"
(1,548.38mm)
62.83"
(1,595.88mm)
-1.87"
(-47.50mm)
40th Driest
Driest since:
1931
88th Wettest
Wettest since:
2019
Jul 1938–Jun 1940
24-Month
80.76"
(2,051.30mm)
83.92"
(2,131.57mm)
-3.16"
(-80.27mm)
34th Driest
Driest since:
1966
93rd Wettest
Wettest since:
2019
Jul 1937–Jun 1940
36-Month
123.98"
(3,149.09mm)
125.95"
(3,199.13mm)
-1.97"
(-50.04mm)
39th Driest
Driest since:
1966
87th Wettest
Wettest since:
2019
Jul 1936–Jun 1940
48-Month
169.42"
(4,303.27mm)
167.95"
(4,265.93mm)
1.47"
(37.34mm)
59th Driest
Driest since:
1966
66th Wettest
Wettest since:
2020
Jul 1935–Jun 1940
60-Month
214.07"
(5,437.38mm)
209.88"
(5,330.95mm)
4.19"
(106.43mm)
66th Driest
Driest since:
1966
58th Wettest
Wettest since:
2022

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