condition	mean	min	max
0 h after light	8.460305	7.61804	9.30257
4 h after light	9.1129	9.04507	9.18073
8 h after light	10.281849999999999	10.0108	10.5529
4 h after dark	11.04265	10.7108	11.3745
8 h after dark	9.884235	9.69947	10.069
12 h after dark	7.8302700000000005	7.62526	8.03528