condition	mean	min	max
4 h after light	3.6623866666666665	3.56675	3.82235
8 h after light	3.67214	3.57495	3.8423800000000004
12 h after light	3.60752	3.57724	3.63315
4 h after dark	3.629516666666667	3.61403	3.64839
8 h after dark	3.74402	3.60384	3.87216
12 h after dark	3.6638	3.55499	3.78425