condition	mean	min	max
4 h after light	15.055466666666668	12.8016	18.3156
8 h after light	11.280243333333333	3.91393	15.5075
12 h after light	14.143419999999999	8.53506	20.7396
4 h after dark	21.574233333333332	19.7055	24.0534
8 h after dark	23.183799999999998	15.931	28.7419
12 h after dark	16.7632	14.5533	19.9158