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 October 2019. For more information, please see Climatological Rankings.
Delaware
Precipitation Rankings, August 1991
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2019) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
August 1991 1-Month |
4.47" (113.54mm) | 4.59" (116.59mm) |
-0.12" (-3.05mm) | 71st Driest | Driest since: 1988 | 2008 |
| 55th Wettest | Wettest since: 1990 | 1967 | ||||
|
Jul–Aug 1991 2-Month |
9.79" (248.67mm) | 8.90" (226.06mm) |
0.89" (22.61mm) | 75th Driest | Driest since: 1988 | 1966 |
| 51st Wettest | Wettest since: 1990 | 1919 | ||||
|
Jun–Aug 1991 3-Month |
13.19" (335.03mm) | 12.54" (318.52mm) |
0.65" (16.51mm) | 74th Driest | Driest since: 1990 | 1966 |
| 52nd Wettest | Wettest since: 1989 | 2013 | ||||
|
May–Aug 1991 4-Month |
14.80" (375.92mm) | 16.10" (408.94mm) |
-1.30" (-33.02mm) | 48th Driest | Driest since: 1987 | 1964 |
| 78th Wettest | Wettest since: 1990 | 1919 | ||||
|
Apr–Aug 1991 5-Month |
17.97" (456.44mm) | 19.58" (497.33mm) |
-1.61" (-40.89mm) | 44th Driest | Driest since: 1988 | 1957 |
| 82nd Wettest | Wettest since: 1990 | 1919 | ||||
| Ties: 1988 | ||||||
|
Mar–Aug 1991 6-Month |
23.44" (595.38mm) | 23.55" (598.17mm) |
-0.11" (-2.79mm) | 65th Driest | Driest since: 1988 | 1930 |
| 61st Wettest | Wettest since: 1990 | 1989 | ||||
|
Feb–Aug 1991 7-Month |
24.67" (626.62mm) | 26.60" (675.64mm) |
-1.93" (-49.02mm) | 47th Driest | Driest since: 1987 | 1930 |
| 79th Wettest | Wettest since: 1990 | 1958 | ||||
|
Jan–Aug 1991 8-Month |
29.39" (746.51mm) | 30.09" (764.29mm) |
-0.70" (-17.78mm) | 61st Driest | Driest since: 1988 | 1930 |
| 65th Wettest | Wettest since: 1990 | 1958 | ||||
|
Dec 1990–Aug 1991 9-Month |
33.48" (850.39mm) | 33.55" (852.17mm) |
-0.07" (-1.78mm) | 62nd Driest | Driest since: 1988 | 1930 |
| 63rd Wettest | Wettest since: 1990 | 1958 | ||||
|
Nov 1990–Aug 1991 10-Month |
35.09" (891.29mm) | 36.62" (930.15mm) |
-1.53" (-38.86mm) | 54th Driest | Driest since: 1988 | 1977 |
| 71st Wettest | Wettest since: 1990 | 1958 | ||||
|
Oct 1990–Aug 1991 11-Month |
37.73" (958.34mm) | 39.77" (1,010.16mm) |
-2.04" (-51.82mm) | 53rd Driest | Driest since: 1988 | 1966 |
| 72nd Wettest | Wettest since: 1990 | 1958 | ||||
|
Sep 1990–Aug 1991 12-Month |
39.84" (1,011.94mm) | 43.36" (1,101.34mm) |
-3.52" (-89.40mm) | 43rd Driest | Driest since: 1987 | 1966 |
| 82nd Wettest | Wettest since: 1990 | 1958 | ||||
|
Mar 1990–Aug 1991 18-Month |
66.85" (1,697.99mm) | 66.82" (1,697.23mm) |
0.03" (0.76mm) | 60th Driest | Driest since: 1988 | 1966 |
| 65th Wettest | Wettest since: 1990 | 1984 | ||||
|
Sep 1989–Aug 1991 24-Month |
86.36" (2,193.54mm) | 86.56" (2,198.62mm) |
-0.20" (-5.08mm) | 60th Driest | Driest since: 1988 | 1966 |
| 64th Wettest | Wettest since: 1990 | 2004 | ||||
|
Sep 1988–Aug 1991 36-Month |
139.87" (3,552.70mm) | 129.84" (3,297.94mm) |
10.03" (254.76mm) | 98th Driest | Driest since: 1989 | 1966 |
| 25th Wettest | Wettest since: 1990 | 2005 | ||||
|
Sep 1987–Aug 1991 48-Month |
180.52" (4,585.21mm) | 173.06" (4,395.72mm) |
7.46" (189.49mm) | 80th Driest | Driest since: 1990 | 1966 |
| 42nd Wettest | Wettest since: 1981 | 1939 | ||||
|
Sep 1986–Aug 1991 60-Month |
219.62" (5,578.35mm) | 216.24" (5,492.50mm) |
3.38" (85.85mm) | 64th Driest | Driest since: 1990 | 1966 |
| 57th Wettest | Wettest since: 1984 | 1937 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 9, 2019 from https://www.ncdc.noaa.gov/cag/