condition	mean	min	max
4 h after light	14.476194	13.194785	15.757603
8 h after light	21.083518499999997	20.422893	21.744144
12 h after light	16.9265715	15.689745	18.163398
4 h after dark	15.6035955	15.517446	15.689745
8 h after dark	13.9961525	13.86823	14.124075
12 h after dark	15.335377	15.335377	15.335377