All-time weather records — Port Deposit, MD

Record high
115.0°F
May 25, 1986
Record low
-15.0°F
January 24, 2003
Wettest day
8.25 in
September 16, 1999

Climate change signal in Port Deposit

7.7%

of Port Deposit's all-time daily heat records were set in the last decade (28 of 366 records since 2015).

4.4%

of all-time daily cold records were set in the last decade (16 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1930s
16
22
1940s
18
30
1950s
38
32
1960s
30
66
1970s
32
67
1980s
28
80
1990s
93
27
2000s
66
18
2010s
23
22
2020s
22
2

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1936, the latest in 2025. Period of observation: 1936-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.9°F — Jan 26, 1950 -15.0°F — Jan 24, 2003 3.85 in — Jan 10, 2024
February 77.0°F — Feb 15, 1949 -9.9°F — Feb 14, 1979 2.15 in — Feb 23, 2003
March 90.0°F — Mar 30, 1998 3.9°F — Mar 4, 1943 3.66 in — Mar 20, 1958
April 95.0°F — Apr 18, 2002 19.0°F — Apr 7, 1982 2.61 in — Apr 15, 1983
May 115.0°F — May 25, 1986 28.9°F — May 1, 1978 5.70 in — May 1, 2014
June 111.9°F — Jun 22, 1994 41.0°F — Jun 1, 1938 4.32 in — Jun 22, 1972
July 106.0°F — Jul 13, 1990 36.0°F — Jul 1, 1990 5.55 in — Jul 8, 1952
August 104.0°F — Aug 2, 2002 39.9°F — Aug 22, 2005 5.03 in — Aug 27, 1971
September 99.0°F — Sep 3, 1993 32.0°F — Sep 27, 1991 8.25 in — Sep 16, 1999
October 93.9°F — Oct 9, 2007 19.9°F — Oct 26, 1987 5.90 in — Oct 1, 2010
November 82.9°F — Nov 1, 1950 9.0°F — Nov 26, 1938 3.33 in — Nov 25, 1950
December 77.0°F — Dec 7, 1998 -2.0°F — Dec 31, 1963 3.28 in — Dec 5, 1993

Click a month to see every daily record for that month in Port Deposit.