condition	mean	min	max
4 h after light	8.615343500000002	8.264416	8.966271
8 h after light	8.23349	7.339675	9.127305
12 h after light	9.5370015	8.911993	10.16201
4 h after dark	8.110198	7.658603	8.561793
8 h after dark	9.67205	9.557985	9.786115
12 h after dark	8.563201	8.563201	8.563201