condition	mean	min	max
4 h after light	17.83445	16.3686	19.3003
8 h after light	12.750599999999999	10.1617	15.3395
12 h after light	4.91301	4.88282	4.9432
4 h after dark	0.23048380000000002	0.0932566	0.367711
8 h after dark	0.526937	0.414608	0.639266
12 h after dark	5.272425	5.19316	5.35169