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 December 2020. For more information, please see Climatological Rankings.
Delaware
Precipitation Rankings, May 2018
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
May 2018 1-Month |
6.99" (177.55mm) | 3.56" (90.42mm) |
3.43" (87.13mm) | 123rd Driest | Driest since: 2017 | 1964 |
| 4th Wettest | Wettest since: 1990 | 1948 | ||||
|
Apr–May 2018 2-Month |
10.39" (263.91mm) | 7.04" (178.82mm) |
3.35" (85.09mm) | 118th Driest | Driest since: 2017 | 1942 |
| 9th Wettest | Wettest since: 1996 | 1948 | ||||
|
Mar–May 2018 3-Month |
14.48" (367.79mm) | 11.01" (279.65mm) |
3.47" (88.14mm) | 112th Driest | Driest since: 2017 | 1986 |
| 15th Wettest | Wettest since: 1994 | 1983 | ||||
|
Feb–May 2018 4-Month |
19.45" (494.03mm) | 14.06" (357.12mm) |
5.39" (136.91mm) | 119th Driest | Driest since: 2017 | 2006 |
| 8th Wettest | Wettest since: 1994 | 1983 | ||||
|
Jan–May 2018 5-Month |
22.43" (569.72mm) | 17.55" (445.77mm) |
4.88" (123.95mm) | 114th Driest | Driest since: 2017 | 2012 |
| 13th Wettest | Wettest since: 1998 | 1948 | ||||
|
Dec 2017–May 2018 6-Month |
23.48" (596.39mm) | 21.01" (533.65mm) |
2.47" (62.74mm) | 95th Driest | Driest since: 2017 | 1986 |
| 31st Wettest | Wettest since: 2014 | 1984 | ||||
|
Nov 2017–May 2018 7-Month |
25.52" (648.21mm) | 24.08" (611.63mm) |
1.44" (36.58mm) | 84th Driest | Driest since: 2017 | 1977 |
| 42nd Wettest | Wettest since: 2014 | 1984 | ||||
|
Oct 2017–May 2018 8-Month |
29.11" (739.39mm) | 27.23" (691.64mm) |
1.88" (47.75mm) | 90th Driest | Driest since: 2017 | 2002 |
| 36th Wettest | Wettest since: 2014 | 1984 | ||||
|
Sep 2017–May 2018 9-Month |
31.68" (804.67mm) | 30.82" (782.83mm) |
0.86" (21.84mm) | 79th Driest | Driest since: 2016 | 2002 |
| 47th Wettest | Wettest since: 2017 | 1984 | ||||
|
Aug 2017–May 2018 10-Month |
39.59" (1,005.59mm) | 35.41" (899.41mm) |
4.18" (106.18mm) | 95th Driest | Driest since: 2017 | 1985 |
| 31st Wettest | Wettest since: 2010 | 2010 | ||||
|
Jul 2017–May 2018 11-Month |
47.63" (1,209.80mm) | 39.69" (1,008.13mm) |
7.94" (201.67mm) | 113th Driest | Driest since: 2017 | 1931 |
| 13th Wettest | Wettest since: 2010 | 2019 | ||||
|
Jun 2017–May 2018 12-Month |
49.95" (1,268.73mm) | 43.32" (1,100.33mm) |
6.63" (168.40mm) | 104th Driest | Driest since: 2017 | 1965 |
| 22nd Wettest | Wettest since: 2014 | 2010 | ||||
|
Dec 2016–May 2018 18-Month |
69.91" (1,775.71mm) | 64.29" (1,632.97mm) |
5.62" (142.74mm) | 95th Driest | Driest since: 2017 | 1931 |
| 30th Wettest | Wettest since: 2014 | 1949 | ||||
|
Jun 2016–May 2018 24-Month |
95.83" (2,434.08mm) | 86.54" (2,198.12mm) |
9.29" (235.96mm) | 99th Driest | Driest since: 2017 | 1931 |
| 26th Wettest | Wettest since: 2015 | 2019 | ||||
|
Jun 2015–May 2018 36-Month |
142.46" (3,618.48mm) | 129.85" (3,298.19mm) |
12.61" (320.29mm) | 109th Driest | Driest since: 2017 | 1967 |
| 15th Wettest | Wettest since: 2016 | 2005 | ||||
|
Jun 2014–May 2018 48-Month |
184.94" (4,697.48mm) | 173.12" (4,397.25mm) |
11.82" (300.23mm) | 99th Driest | Driest since: 2015 | 1966 |
| 24th Wettest | Wettest since: 2017 | 1939 | ||||
|
Jun 2013–May 2018 60-Month |
238.84" (6,066.54mm) | 216.25" (5,492.75mm) |
22.59" (573.79mm) | 114th Driest | Driest since: 2017 | 1967 |
| 8th Wettest | Wettest since: 2007 | 1939 |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 20, 2021 from https://www.ncdc.noaa.gov/cag/