condition	mean	min	max
4 h after light	9.580859499999999	9.532534	9.629185
8 h after light	9.201341	8.456832	9.94585
12 h after light	9.7020055	9.650615	9.753396
4 h after dark	9.5460305	8.700749	10.391312
8 h after dark	9.24633	8.763469	9.729191
12 h after dark	9.693989	9.693989	9.693989