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 March 2021. For more information, please see Climatological Rankings.
Maryland
Precipitation Rankings, September 1991
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 1991 1-Month |
3.67" (93.22mm) | 3.56" (90.42mm) |
0.11" (2.80mm) | 77th Driest | Driest since: 1990 | 1941 |
| 50th Wettest | Wettest since: 1989 | 1999 | ||||
|
Aug–Sep 1991 2-Month |
7.26" (184.40mm) | 7.95" (201.93mm) |
-0.69" (-17.53mm) | 59th Driest | Driest since: 1989 | 1930 |
| 68th Wettest | Wettest since: 1990 | 2011 | ||||
|
Jul–Sep 1991 3-Month |
10.79" (274.07mm) | 12.13" (308.10mm) |
-1.34" (-34.03mm) | 47th Driest | Driest since: 1987 | 1930 |
| 80th Wettest | Wettest since: 1990 | 2018 | ||||
|
Jun–Sep 1991 4-Month |
13.12" (333.25mm) | 15.98" (405.89mm) |
-2.86" (-72.64mm) | 31st Driest | Driest since: 1988 | 1930 |
| 96th Wettest | Wettest since: 1990 | 2018 | ||||
| Ties: 1968 | ||||||
|
May–Sep 1991 5-Month |
14.90" (378.46mm) | 19.71" (500.63mm) |
-4.81" (-122.17mm) | 13th Driest | Driest since: 1986 | 1930 |
| 114th Wettest | Wettest since: 1990 | 2018 | ||||
|
Apr–Sep 1991 6-Month |
17.37" (441.20mm) | 23.19" (589.03mm) |
-5.82" (-147.83mm) | 8th Driest | Driest since: 1986 | 1930 |
| 119th Wettest | Wettest since: 1990 | 2018 | ||||
| Ties: 1965 | ||||||
|
Mar–Sep 1991 7-Month |
22.17" (563.12mm) | 26.97" (685.04mm) |
-4.80" (-121.92mm) | 16th Driest | Driest since: 1986 | 1930 |
| 111th Wettest | Wettest since: 1990 | 2018 | ||||
|
Feb–Sep 1991 8-Month |
23.46" (595.88mm) | 29.85" (758.19mm) |
-6.39" (-162.31mm) | 11th Driest | Driest since: 1986 | 1930 |
| 116th Wettest | Wettest since: 1990 | 2018 | ||||
|
Jan–Sep 1991 9-Month |
27.17" (690.12mm) | 33.21" (843.53mm) |
-6.04" (-153.41mm) | 12th Driest | Driest since: 1986 | 1930 |
| 115th Wettest | Wettest since: 1990 | 2018 | ||||
|
Dec 1990–Sep 1991 10-Month |
32.08" (814.83mm) | 36.49" (926.85mm) |
-4.41" (-112.02mm) | 25th Driest | Driest since: 1986 | 1930 |
| 101st Wettest | Wettest since: 1990 | 2003 | ||||
|
Nov 1990–Sep 1991 11-Month |
34.07" (865.38mm) | 39.48" (1,002.79mm) |
-5.41" (-137.41mm) | 21st Driest | Driest since: 1986 | 1930 |
| 105th Wettest | Wettest since: 1990 | 2003 | ||||
|
Oct 1990–Sep 1991 12-Month |
38.38" (974.85mm) | 42.62" (1,082.55mm) |
-4.24" (-107.70mm) | 33rd Driest | Driest since: 1986 | 1930 |
| 93rd Wettest | Wettest since: 1990 | 2003 | ||||
|
Apr 1990–Sep 1991 18-Month |
64.61" (1,641.09mm) | 65.72" (1,669.29mm) |
-1.11" (-28.20mm) | 57th Driest | Driest since: 1988 | 1966 |
| 69th Wettest | Wettest since: 1990 | 2019 | ||||
|
Oct 1989–Sep 1991 24-Month |
82.36" (2,091.94mm) | 85.14" (2,162.56mm) |
-2.78" (-70.62mm) | 47th Driest | Driest since: 1988 | 1930 |
| 78th Wettest | Wettest since: 1990 | 2004 | ||||
|
Oct 1988–Sep 1991 36-Month |
132.65" (3,369.31mm) | 127.72" (3,244.09mm) |
4.93" (125.22mm) | 77th Driest | Driest since: 1989 | 1931 |
| 47th Wettest | Wettest since: 1990 | 2005 | ||||
|
Oct 1987–Sep 1991 48-Month |
171.29" (4,350.77mm) | 170.22" (4,323.59mm) |
1.07" (27.18mm) | 56th Driest | Driest since: 1989 | 1932 |
| 67th Wettest | Wettest since: 1990 | 2006 | ||||
|
Oct 1986–Sep 1991 60-Month |
214.27" (5,442.46mm) | 212.69" (5,402.33mm) |
1.58" (40.13mm) | 58th Driest | Driest since: 1990 | 1966 |
| 64th Wettest | Wettest since: 1982 | 1975 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published April 2021, retrieved on April 21, 2021 from https://www.ncdc.noaa.gov/cag/