condition	mean	min	max
4 h after light	11.6399	11.5743	11.7055
8 h after light	9.126345	8.69485	9.55784
12 h after light	9.99398	9.47066	10.5173
4 h after dark	17.3435	16.0138	18.6732
8 h after dark	13.3948	12.6377	14.1519
12 h after dark	10.861245	9.75559	11.9669