condition	mean	min	max
4 h after light	11.111297	9.859613	12.362981
8 h after light	9.281393	8.988489	9.574297
12 h after light	9.0931055	8.82241	9.363801
4 h after dark	8.2108025	7.985105	8.4365
8 h after dark	8.699124000000001	8.195804	9.202444
12 h after dark	10.662762	10.662762	10.662762