Vegetation Period & Dry Spells in Maryland
1951-2000 Climatology: January 1 - December 31


NOTE: Data From preliminary NCEI's nClimDiv-Daily Data set v1.0.0
Data labeled as scaled on January 10, 2025.

RegionDuration of the
Vegetation Period (days)		Start of the
Vegetation Period		End of the
Vegetation Period		Number of Dry Spells
in the
Vegetation Period		Mean Duration of
Dry Spells
in the
Vegetation Period		Longest Dry Spells
in the
Vegetation Period		Starting Date of
Longest Dry Spell
in the Vegetation Period
Statewide 273 3 Mar30 Nov 35 5 1615 Aug
Clim. Div. 1 29720 Feb13 Dec 37 5 1814 Aug
Clim. Div. 2 28624 Feb 6 Dec 36 5 1813 Aug
Clim. Div. 3 29020 Feb 6 Dec 36 5 1812 Aug
Clim. Div. 4 27828 Feb 3 Dec 35 5 1820 Aug
Clim. Div. 5 276 1 Mar 2 Dec 36 5 1818 Aug
Clim. Div. 6 26211 Mar27 Nov 34 5 1718 Aug
Clim. Div. 7 25711 Mar22 Nov 33 5 1611 Aug
Clim. Div. 8 23721 Mar12 Nov 30 4 1324 Aug
Allegany 25611 Mar22 Nov 34 5 1613 Aug
Anne Arundel 28225 Feb 3 Dec 36 5 1829 Aug
Baltimore 26211 Mar27 Nov 34 5 1817 Aug
Calvert 28623 Feb 5 Dec 36 5 1820 Aug
Caroline 28028 Feb 4 Dec 35 5 1816 Aug
Carroll 25613 Mar23 Nov 33 5 1711 Aug
Cecil 266 8 Mar28 Nov 34 5 17 8 Aug
Charles 28721 Feb 4 Dec 36 5 1819 Aug
Dorchester 28824 Feb 8 Dec 36 5 1810 Aug
Frederick 25911 Mar24 Nov 33 5 17 5 Aug
Garrett 23721 Mar12 Nov 30 4 1324 Aug
Harford 266 8 Mar28 Nov 34 5 1714 Aug
Howard 264 9 Mar27 Nov 34 5 1816 Aug
Kent 276 2 Mar 1 Dec 36 5 1715 Aug
Montgomery 269 6 Mar29 Nov 34 5 1815 Aug
Prince George's278 1 Mar 3 Dec 35 5 1917 Aug
Queen Anne's 27828 Feb 3 Dec 36 5 1719 Aug
Saint Mary's 29120 Feb 7 Dec 36 5 1918 Aug
Somerset 30116 Feb13 Dec 38 5 1917 Aug
Talbot 28624 Feb 6 Dec 36 5 1811 Aug
Washington 25612 Mar23 Nov 33 5 1713 Aug
Wicomico 29223 Feb11 Dec 37 5 1813 Aug
Worcester 29918 Feb13 Dec 38 5 1812 Aug
Baltimore City 277 1 Mar 2 Dec 35 5 1816 Aug