condition	mean	min	max
4 h after light	24.63065	18.8451	30.4162
8 h after light	20.368850000000002	19.5452	21.1925
12 h after light	9.21898	7.82216	10.6158
4 h after dark	4.10122	2.60081	5.81442
8 h after dark	7.787586666666666	6.30037	8.84855
12 h after dark	12.244933333333334	10.9962	13.4452