( ( ( ( ( The ( observing conditions ) ) , ) ( such ( as ( sky ( clarity ( and ( weather conditions ) ) ) ) ) ) ) , ) ( ( are ( ( ( checked regularly ) ( during ( the ( observation cycles ) ) ) ) ( to ( ( protect ( the instrumentation ) ) ( from ( inclement weather ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ observing) (NNS conditions)) (, ,) (PP (JJ such) (IN as) (NP (NN sky) (NN clarity) (CC and) (NN weather) (NNS conditions))) (, ,)) (VP (VBP are) (VP (VBN checked) (ADVP (RB regularly)) (PP (IN during) (NP (DT the) (NN observation) (NNS cycles))) (S (VP (TO to) (VP (VB protect) (NP (DT the) (NN instrumentation)) (PP (IN from) (NP (JJ inclement) (NN weather)))))))) (. .)))
The observing conditions, such as sky clarity and weather conditions, are checked regularly during the observation cycles to protect the instrumentation from inclement weather.
(ROOT (S (NP (NN Temperature) (CC and) (NN sky) (NNS conditions)) (VP (VBP are) (ADVP (DT both)) (VP (VBN used) (S (VP (TO to) (VP (VB describe) (NP (NN weather))))))) (. .)))