condition	mean	min	max
4 h after light	32.31685	28.8496	35.7841
8 h after light	19.7697	19.6469	19.8925
12 h after light	15.54965	15.0419	16.0574
4 h after dark	23.1283	22.073	24.1646
8 h after dark	31.6016	29.6184	34.8534
12 h after dark	35.2934	33.2722	36.4471