condition	mean	min	max
4 h after light	6.10581	5.31575	6.89587
8 h after light	5.244815	5.20145	5.28818
12 h after light	6.07862	5.26281	6.89443
4 h after dark	7.699303333333333	6.56601	8.54562
8 h after dark	8.891083333333334	7.83689	10.5165
12 h after dark	5.727906666666667	5.18301	6.3848