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 1964
View Period (Months):All1234567891011121824364860
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| 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 | 1964 |
| 128th Wettest | Wettest since: 1963 | 1989 | ||||
|
Apr–May 1964 2-Month |
7.20" (182.88mm) | 7.57" (192.28mm) |
-0.37" (-9.40mm) | 57th Driest | Driest since: 1963 | 1926 |
| 72nd Wettest | Wettest since: 1961 | 2011 | ||||
|
Mar–May 1964 3-Month |
11.15" (283.21mm) | 11.06" (280.92mm) |
0.09" (2.29mm) | 73rd Driest | Driest since: 1963 | 1926 |
| 56th Wettest | Wettest since: 1961 | 2011 | ||||
|
Feb–May 1964 4-Month |
13.67" (347.22mm) | 13.66" (346.96mm) |
0.01" (0.26mm) | 62nd Driest | Driest since: 1963 | 1941 |
| 67th Wettest | Wettest since: 1961 | 2011 | ||||
|
Jan–May 1964 5-Month |
17.26" (438.40mm) | 16.71" (424.43mm) |
0.55" (13.97mm) | 74th Driest | Driest since: 1963 | 1941 |
| 55th Wettest | Wettest since: 1961 | 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: 1963 | 1941 |
| 72nd Wettest | Wettest since: 1961 | 2011 | ||||
|
Nov 1963–May 1964 7-Month |
24.71" (627.63mm) | 23.02" (584.71mm) |
1.69" (42.92mm) | 89th Driest | Driest since: 1963 | 1934 |
| 39th Wettest | Wettest since: 1960 | 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: 1963 | 1925 |
| 88th Wettest | Wettest since: 1960 | 2011 | ||||
|
Sep 1963–May 1964 9-Month |
27.63" (701.80mm) | 29.75" (755.65mm) |
-2.12" (-53.85mm) | 33rd Driest | Driest since: 1963 | 1941 |
| 95th Wettest | Wettest since: 1961 | 2019 | ||||
|
Aug 1963–May 1964 10-Month |
30.30" (769.62mm) | 33.62" (853.95mm) |
-3.32" (-84.33mm) | 26th Driest | Driest since: 1963 | 1931 |
| 102nd Wettest | Wettest since: 1961 | 2019 | ||||
|
Jul 1963–May 1964 11-Month |
33.64" (854.46mm) | 37.82" (960.63mm) |
-4.18" (-106.17mm) | 21st Driest | Driest since: 1963 | 1931 |
| 107th Wettest | Wettest since: 1962 | 2019 | ||||
|
Jun 1963–May 1964 12-Month |
36.58" (929.13mm) | 41.97" (1,066.04mm) |
-5.39" (-136.91mm) | 15th Driest | Driest since: 1963 | 1931 |
| 113th Wettest | Wettest since: 1962 | 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 | 1931 |
| 125th Wettest | Wettest since: 1963 | 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: 1932 | 1931 |
| 122nd Wettest | Wettest since: 1963 | 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: 1932 | 1965 |
| 120th Wettest | Wettest since: 1963 | 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: 1964 | 1966 |
| 119th Wettest | Wettest since: 1963 | 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: 1935 | 1967 |
| 114th Wettest | Wettest since: 1963 | 2022 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 1, 2022 from https://www.ncdc.noaa.gov/cag/