condition	mean	min	max
0 h after light	9.289065	9.20706	9.37107
4 h after light	5.58624	5.13561	6.03687
8 h after light	4.00245	3.57244	4.43246
4 h after dark	11.413185	8.65357	14.1728
8 h after dark	11.57565	11.5319	11.6194
12 h after dark	8.142415	7.93304	8.35179