Climate at a Glance
Statewide Rankings
Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2022. For more information, please see Climatological Rankings.
Pennsylvania
Precipitation Rankings, May 2020
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2022) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 2020 1-Month |
3.47" (88.14mm) | 3.93" (99.82mm) |
-0.46" (-11.68mm) | 52nd Driest | Driest since: 2015 | 1964 |
| 77th Wettest | Wettest since: 2019 | 1989 | ||||
| Ties: 1937, 1954, 1970 | ||||||
|
Apr–May 2020 2-Month |
7.98" (202.69mm) | 7.57" (192.28mm) |
0.41" (10.41mm) | 78th Driest | Driest since: 2016 | 1926 |
| 51st Wettest | Wettest since: 2019 | 2011 | ||||
|
Mar–May 2020 3-Month |
12.25" (311.15mm) | 11.06" (280.92mm) |
1.19" (30.23mm) | 90th Driest | Driest since: 2016 | 1926 |
| 39th Wettest | Wettest since: 2019 | 2011 | ||||
|
Feb–May 2020 4-Month |
15.60" (396.24mm) | 13.66" (346.96mm) |
1.94" (49.28mm) | 102nd Driest | Driest since: 2016 | 1941 |
| 27th Wettest | Wettest since: 2019 | 2011 | ||||
|
Jan–May 2020 5-Month |
18.65" (473.71mm) | 16.71" (424.43mm) |
1.94" (49.28mm) | 97th Driest | Driest since: 2016 | 1941 |
| 32nd Wettest | Wettest since: 2019 | 2011 | ||||
|
Dec 2019–May 2020 6-Month |
22.36" (567.94mm) | 19.81" (503.17mm) |
2.55" (64.77mm) | 101st Driest | Driest since: 2016 | 1941 |
| 27th Wettest | Wettest since: 2019 | 2011 | ||||
| Ties: 1909 | ||||||
|
Nov 2019–May 2020 7-Month |
24.80" (629.92mm) | 23.02" (584.71mm) |
1.78" (45.21mm) | 90th Driest | Driest since: 2016 | 1934 |
| 38th Wettest | Wettest since: 2019 | 1952 | ||||
|
Oct 2019–May 2020 8-Month |
30.41" (772.41mm) | 26.19" (665.23mm) |
4.22" (107.18mm) | 108th Driest | Driest since: 2017 | 1925 |
| 20th Wettest | Wettest since: 2019 | 2011 | ||||
|
Sep 2019–May 2020 9-Month |
32.54" (826.52mm) | 29.75" (755.65mm) |
2.79" (70.87mm) | 89th Driest | Driest since: 2016 | 1941 |
| 39th Wettest | Wettest since: 2019 | 2019 | ||||
| Ties: 1945 | ||||||
|
Aug 2019–May 2020 10-Month |
36.25" (920.75mm) | 33.62" (853.95mm) |
2.63" (66.80mm) | 89th Driest | Driest since: 2016 | 1931 |
| 39th Wettest | Wettest since: 2019 | 2019 | ||||
|
Jul 2019–May 2020 11-Month |
41.87" (1,063.50mm) | 37.82" (960.63mm) |
4.05" (102.87mm) | 99th Driest | Driest since: 2017 | 1931 |
| 29th Wettest | Wettest since: 2019 | 2019 | ||||
|
Jun 2019–May 2020 12-Month |
47.69" (1,211.33mm) | 41.97" (1,066.04mm) |
5.72" (145.29mm) | 109th Driest | Driest since: 2017 | 1931 |
| 19th Wettest | Wettest since: 2019 | 2019 | ||||
|
Dec 2018–May 2020 18-Month |
73.69" (1,871.73mm) | 61.76" (1,568.70mm) |
11.93" (303.03mm) | 121st Driest | Driest since: 2018 | 1931 |
| 6th Wettest | Wettest since: 2019 | 2019 | ||||
|
Jun 2018–May 2020 24-Month |
112.02" (2,845.31mm) | 83.91" (2,131.31mm) |
28.11" (714.00mm) | 125th Driest | Driest since: 2018 | 1931 |
| 2nd Wettest | Wettest since: 2019 | 2019 | ||||
|
Jun 2017–May 2020 36-Month |
159.81" (4,059.17mm) | 125.93" (3,198.62mm) |
33.88" (860.55mm) | 125th Driest | Driest since: 2019 | 1965 |
| 1st Wettest | Wettest to Date | 2020 | ||||
|
Jun 2016–May 2020 48-Month |
204.28" (5,188.71mm) | 167.92" (4,265.17mm) |
36.36" (923.54mm) | 124th Driest | Driest since: 2019 | 1966 |
| 1st Wettest | Wettest to Date | 2020 | ||||
|
Jun 2015–May 2020 60-Month |
248.60" (6,314.44mm) | 209.84" (5,329.94mm) |
38.76" (984.50mm) | 122nd Driest | Driest since: 2019 | 1967 |
| 2nd Wettest | Wettest to Date | 2022 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 25, 2022 from https://www.ncdc.noaa.gov/cag/