condition	mean	min	max
0 h after light	9.754349999999999	8.8814	10.6273
4 h after light	5.06368	4.77612	5.35124
8 h after light	7.631539999999999	7.28281	7.98027
4 h after dark	13.96075	13.3263	14.5952
8 h after dark	11.34745	10.9338	11.7611
12 h after dark	9.74176	9.62855	9.85497