condition	mean	min	max
4 h after light	26.875288	17.856533	35.894043
8 h after light	19.234008000000003	18.889914	19.578102
12 h after light	20.7308795	19.569776	21.891983
4 h after dark	15.4353035	12.900465	17.970142
8 h after dark	13.0812655	11.299384	14.863147
12 h after dark	19.610922	19.610922	19.610922