condition	mean	min	max
4 h after light	8.4820145	7.138345	9.825684
8 h after light	8.702009499999999	8.520001	8.884018
12 h after light	9.799058500000001	9.138912	10.459205
4 h after dark	8.933506	7.53207	10.334942
8 h after dark	9.6862005	8.02141	11.350991
12 h after dark	8.918703	8.918703	8.918703