condition	mean	min	max
0 h after light	50.7509	49.132	52.3698
4 h after light	15.96405	15.3075	16.6206
8 h after light	11.4177	10.0027	12.8327
4 h after dark	17.89285	16.0203	19.7654
8 h after dark	21.8623	20.885	22.8396
12 h after dark	29.5863	22.0787	37.0939