condition	mean	min	max
4 h after light	12.10405	11.0949	13.1132
8 h after light	11.227699999999999	10.0475	12.4079
12 h after light	15.8838	14.0714	17.6962
4 h after dark	23.1926	21.5985	25.1083
8 h after dark	19.4694	17.8567	20.2768
12 h after dark	18.9983	17.8792	20.8376