condition	mean	min	max
4 h after light	6.99905	6.93565	7.06245
8 h after light	7.990475	7.76535	8.2156
12 h after light	10.465150000000001	10.2886	10.6417
4 h after dark	12.4498	11.8458	13.6373
8 h after dark	8.744113333333333	8.37011	9.14352
12 h after dark	7.918273333333333	7.21083	8.35719