Table 2-6. Average Length of the Growing Season at 11 Weather Stations in 

 or Near the Coastal Zone 3 . 



Station name Period of record Freeze-free period (days) 



Eastport 1931-1968 174 



Woodland 1931-1968 131 



Machias 1954-1968 132 



Bar Harbor 1931-1968 156 



Bangor 1953-1968 156 



Old Town 1948-1968 118 



Rockland 1937-1968 143 



Augusta 1945-1968 159 



Brunswick 1952-1968 163 



Lewiston 1931-1968 168 



Portland 1941-1968 136 



l U.S. Department of Commerce 1973 b , 



Table 2-7. Air-freezing Index (32 ° F degree-days) at 11 Weather Stations 

 in or Near the Coastal Zone . 



r 



r 



Station name Years of record* 3 Air- freezing index c 



Eastport 30 1150 1249 810 



Woodland 2 5 



Machias — 



Bar Harbor 27 1071 1073 680 



Mean 



r 



Bangor 23 1519 1865 1225 



Old Town 



Rockland 27 



Augusta 



Brunswick 



Lewiston 30 1386 1446 990 



Portland 30 1227 1376 910 



a Bigelow 1969. 



b Nominal 30-year record runs from 1938 to 1968, while all 10-year 



records run from 1958 to 1968. 

 c l in 10 is the index value for the coldest season in 10 years anc ^ 



1 in 30 is the index value for the coldest season in 30 years. 



r 



t 



2-30 



r 



