( ( ( ( ( ( ( Windless days ) ( in Caithness ) ) ( are few ) ) , ) but ) ( ( in summer ) ( ( the ( daylight hours ) ) ( are long ) ) ) ) . )
(ROOT (S (S (NP (NP (JJ Windless) (NNS days)) (PP (IN in) (NP (NNP Caithness)))) (VP (VBP are) (ADJP (JJ few)))) (, ,) (CC but) (S (PP (IN in) (NP (NN summer))) (NP (DT the) (NN daylight) (NNS hours)) (VP (VBP are) (ADJP (JJ long)))) (. .)))
Windless days in Caithness are few, but in summer the daylight hours are long.
(ROOT (S (NP (NP (DT The) (NN number)) (PP (IN of) (NP (NP (NN daylight) (NNS hours)) (NP (DT each) (NN day))))) (VP (MD would) (VP (VB be) (ADJP (ADJP (JJS greatest)) (PP (IN during) (NP (NP (DT the) (NN summer)) (PP (IN near) (NP (DT the) (NN north) (NN pole)))))))) (. .)))
The number of daylight hours each day would be greatest during the summer near the north pole.