condition	mean	min	max
4 h after light	23.8121	16.902	27.5743
8 h after light	25.47943	8.63469	38.5633
12 h after light	28.63593333333333	18.4624	40.8047
4 h after dark	48.18723333333333	34.3249	58.2883
8 h after dark	38.1248	25.7366	49.3004
12 h after dark	21.5883	20.0887	23.4207