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 January 2021. For more information, please see Climatological Rankings.
Maryland
Precipitation Rankings, September 1939
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 1939 1-Month |
3.13" (79.50mm) | 3.56" (90.42mm) |
-0.43" (-10.92mm) | 60th Driest | Driest since: 1937 | 1941 |
| 67th Wettest | Wettest since: 1938 | 1999 | ||||
|
Aug–Sep 1939 2-Month |
7.52" (191.01mm) | 7.95" (201.93mm) |
-0.43" (-10.92mm) | 63rd Driest | Driest since: 1936 | 1930 |
| 64th Wettest | Wettest since: 1938 | 2011 | ||||
|
Jul–Sep 1939 3-Month |
11.41" (289.81mm) | 12.13" (308.10mm) |
-0.72" (-18.29mm) | 58th Driest | Driest since: 1936 | 1930 |
| 69th Wettest | Wettest since: 1938 | 2018 | ||||
| Ties: 1974 | ||||||
|
Jun–Sep 1939 4-Month |
16.34" (415.04mm) | 15.98" (405.89mm) |
0.36" (9.15mm) | 71st Driest | Driest since: 1936 | 1930 |
| 56th Wettest | Wettest since: 1938 | 2018 | ||||
| Ties: 1952 | ||||||
|
May–Sep 1939 5-Month |
17.45" (443.23mm) | 19.71" (500.63mm) |
-2.26" (-57.40mm) | 40th Driest | Driest since: 1936 | 1930 |
| 87th Wettest | Wettest since: 1938 | 2018 | ||||
|
Apr–Sep 1939 6-Month |
22.36" (567.94mm) | 23.19" (589.03mm) |
-0.83" (-21.09mm) | 60th Driest | Driest since: 1936 | 1930 |
| 67th Wettest | Wettest since: 1938 | 2018 | ||||
|
Mar–Sep 1939 7-Month |
26.36" (669.54mm) | 26.97" (685.04mm) |
-0.61" (-15.50mm) | 60th Driest | Driest since: 1936 | 1930 |
| 67th Wettest | Wettest since: 1938 | 2018 | ||||
|
Feb–Sep 1939 8-Month |
31.62" (803.15mm) | 29.86" (758.44mm) |
1.76" (44.71mm) | 83rd Driest | Driest since: 1936 | 1930 |
| 44th Wettest | Wettest since: 1938 | 2018 | ||||
|
Jan–Sep 1939 9-Month |
35.35" (897.89mm) | 33.21" (843.53mm) |
2.14" (54.36mm) | 87th Driest | Driest since: 1938 | 1930 |
| 40th Wettest | Wettest since: 1937 | 2018 | ||||
|
Dec 1938–Sep 1939 10-Month |
38.21" (970.53mm) | 36.49" (926.85mm) |
1.72" (43.68mm) | 75th Driest | Driest since: 1938 | 1930 |
| 51st Wettest | Wettest since: 1937 | 2003 | ||||
|
Nov 1938–Sep 1939 11-Month |
41.06" (1,042.92mm) | 39.48" (1,002.79mm) |
1.58" (40.13mm) | 73rd Driest | Driest since: 1938 | 1930 |
| 53rd Wettest | Wettest since: 1937 | 2003 | ||||
|
Oct 1938–Sep 1939 12-Month |
43.18" (1,096.77mm) | 42.62" (1,082.55mm) |
0.56" (14.22mm) | 70th Driest | Driest since: 1932 | 1930 |
| 56th Wettest | Wettest since: 1938 | 2003 | ||||
|
Apr 1938–Sep 1939 18-Month |
69.48" (1,764.79mm) | 65.72" (1,669.29mm) |
3.76" (95.50mm) | 77th Driest | Driest since: 1932 | 1966 |
| 49th Wettest | Wettest since: 1938 | 2019 | ||||
|
Oct 1937–Sep 1939 24-Month |
89.61" (2,276.09mm) | 85.14" (2,162.56mm) |
4.47" (113.53mm) | 79th Driest | Driest since: 1932 | 1930 |
| 46th Wettest | Wettest since: 1938 | 2004 | ||||
|
Oct 1936–Sep 1939 36-Month |
140.22" (3,561.59mm) | 127.72" (3,244.09mm) |
12.50" (317.50mm) | 106th Driest | Driest since: 1936 | 1931 |
| 18th Wettest | Wettest since: 1938 | 2005 | ||||
|
Oct 1935–Sep 1939 48-Month |
184.50" (4,686.30mm) | 170.22" (4,323.59mm) |
14.28" (362.71mm) | 107th Driest | Driest since: 1934 | 1932 |
| 16th Wettest | Wettest since: 1938 | 2006 | ||||
|
Oct 1934–Sep 1939 60-Month |
230.53" (5,855.46mm) | 212.69" (5,402.33mm) |
17.84" (453.13mm) | 109th Driest | Driest since: 1936 | 1966 |
| 13th Wettest | Wettest since: 1938 | 1975 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2021, retrieved on February 26, 2021 from https://www.ncdc.noaa.gov/cag/