condition	mean	min	max
4 h after light	7.608575	7.35005	7.8671
8 h after light	9.18582	8.52935	9.84229
12 h after light	10.015805	9.15591	10.8757
4 h after dark	14.2471	12.808	15.6862
8 h after dark	12.3823	11.7543	13.0103
12 h after dark	10.77635	10.4888	11.0639