condition	mean	min	max
4 h after light	9.172	2.7938	15.5502
8 h after light	4.71312	3.89174	5.5345
12 h after light	9.314875	6.70755	11.9222
4 h after dark	9.73807	8.56324	11.2888
8 h after dark	77.57376666666666	19.7383	108.862
12 h after dark	4.43621	2.24459	5.73072