condition	mean	min	max
4 h after light	4.73724	4.674180000000001	4.80973
8 h after light	4.83563	4.81468	4.86015
12 h after light	4.796620000000001	4.726030000000001	4.8634900000000005
4 h after dark	4.84681	4.8168	4.89339
8 h after dark	4.6547600000000005	4.61498	4.70464
12 h after dark	4.80089	4.7378800000000005	4.9222