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 September 2019. For more information, please see Climatological Rankings.
Delaware
Precipitation Rankings, May 1981
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2019) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 1981 1-Month |
4.91" (124.71mm) | 3.56" (90.42mm) |
1.35" (34.29mm) | 103rd Driest | Driest since: 1980 | 1964 |
| 23rd Wettest | Wettest since: 1978 | 1948 | ||||
|
Apr–May 1981 2-Month |
9.20" (233.68mm) | 7.04" (178.82mm) |
2.16" (54.86mm) | 109th Driest | Driest since: 1980 | 1942 |
| 17th Wettest | Wettest since: 1953 | 1948 | ||||
|
Mar–May 1981 3-Month |
10.97" (278.64mm) | 11.01" (279.65mm) |
-0.04" (-1.01mm) | 67th Driest | Driest since: 1977 | 1986 |
| 59th Wettest | Wettest since: 1980 | 1983 | ||||
|
Feb–May 1981 4-Month |
14.53" (369.06mm) | 14.06" (357.12mm) |
0.47" (11.94mm) | 79th Driest | Driest since: 1977 | 2006 |
| 47th Wettest | Wettest since: 1980 | 1983 | ||||
|
Jan–May 1981 5-Month |
15.05" (382.27mm) | 17.55" (445.77mm) |
-2.50" (-63.50mm) | 31st Driest | Driest since: 1977 | 2012 |
| 95th Wettest | Wettest since: 1980 | 1948 | ||||
|
Dec 1980–May 1981 6-Month |
15.84" (402.34mm) | 21.01" (533.65mm) |
-5.17" (-131.31mm) | 13th Driest | Driest since: 1977 | 1986 |
| 112th Wettest | Wettest since: 1980 | 1984 | ||||
|
Nov 1980–May 1981 7-Month |
18.46" (468.88mm) | 24.08" (611.63mm) |
-5.62" (-142.75mm) | 13th Driest | Driest since: 1977 | 1977 |
| 112th Wettest | Wettest since: 1980 | 1984 | ||||
|
Oct 1980–May 1981 8-Month |
24.23" (615.44mm) | 27.23" (691.64mm) |
-3.00" (-76.20mm) | 38th Driest | Driest since: 1977 | 2002 |
| 87th Wettest | Wettest since: 1980 | 1984 | ||||
| Ties: 1904 | ||||||
|
Sep 1980–May 1981 9-Month |
27.07" (687.58mm) | 30.82" (782.83mm) |
-3.75" (-95.25mm) | 37th Driest | Driest since: 1977 | 2002 |
| 88th Wettest | Wettest since: 1980 | 1984 | ||||
|
Aug 1980–May 1981 10-Month |
29.63" (752.60mm) | 35.40" (899.16mm) |
-5.77" (-146.56mm) | 17th Driest | Driest since: 1969 | 1985 |
| 108th Wettest | Wettest since: 1980 | 2010 | ||||
|
Jul 1980–May 1981 11-Month |
32.49" (825.25mm) | 39.69" (1,008.13mm) |
-7.20" (-182.88mm) | 14th Driest | Driest since: 1969 | 1931 |
| 111th Wettest | Wettest since: 1980 | 2019 | ||||
|
Jun 1980–May 1981 12-Month |
36.22" (919.99mm) | 43.32" (1,100.33mm) |
-7.10" (-180.34mm) | 16th Driest | Driest since: 1977 | 1965 |
| 109th Wettest | Wettest since: 1980 | 2010 | ||||
|
Dec 1979–May 1981 18-Month |
55.58" (1,411.73mm) | 64.29" (1,632.97mm) |
-8.71" (-221.24mm) | 17th Driest | Driest since: 1977 | 1931 |
| 107th Wettest | Wettest since: 1980 | 1949 | ||||
|
Jun 1979–May 1981 24-Month |
84.67" (2,150.62mm) | 86.54" (2,198.12mm) |
-1.87" (-47.50mm) | 50th Driest | Driest since: 1977 | 1931 |
| 74th Wettest | Wettest since: 1980 | 2019 | ||||
| Ties: 1925 | ||||||
|
Jun 1978–May 1981 36-Month |
133.32" (3,386.33mm) | 129.85" (3,298.19mm) |
3.47" (88.14mm) | 67th Driest | Driest since: 1977 | 1967 |
| 56th Wettest | Wettest since: 1980 | 2005 | ||||
|
Jun 1977–May 1981 48-Month |
185.52" (4,712.21mm) | 173.12" (4,397.25mm) |
12.40" (314.96mm) | 102nd Driest | Driest since: 1980 | 1966 |
| 20th Wettest | Wettest since: 1975 | 1939 | ||||
|
Jun 1976–May 1981 60-Month |
221.61" (5,628.89mm) | 216.25" (5,492.75mm) |
5.36" (136.14mm) | 75th Driest | Driest since: 1978 | 1967 |
| 46th Wettest | Wettest since: 1980 | 1939 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 24, 2019 from https://www.ncdc.noaa.gov/cag/