condition	mean	min	max
0 h after light	9.40601	8.77302	10.039
4 h after light	7.72224	6.73898	8.7055
8 h after light	4.700945	3.69626	5.70563
4 h after dark	8.82476	7.16062	10.4889
8 h after dark	10.241675	9.33405	11.1493
12 h after dark	8.42314	7.03917	9.80711