condition	mean	min	max
4 h after light	8.70424	7.67276	9.73572
8 h after light	27.45275	26.4486	28.4569
12 h after light	28.3061	27.5029	29.1093
4 h after dark	21.176466666666666	20.6091	22.07
8 h after dark	11.430566666666667	9.8803	12.4704
12 h after dark	7.33026	6.49924	7.92618