Table 2. Average annual and seasonal precipitation on Long Island (including the Forks) and at Setauket.

 

 

 

Precipitation

Area

Annual

Cool season

Warm season

 

 

Mean

Range

Mean

Range

Mean

Range

Long

Island

(1951-65)

 

44.3"

 

40-50"

 

23.6"

 

21-27"

 

20.7"

 

19-23"

Setauket

(1888-1967)

 

44.5"

30.8-

56.4"

 

21.7"

11.0-

35.4"

 

22.8"

12.0-

34.1"