condition	mean	min	max
4 h after light	3.22247	2.83302	3.61192
8 h after light	15.57525	14.8186	16.3319
12 h after light	14.58645	12.7324	16.4405
4 h after dark	9.22683	6.82096	11.6327
8 h after dark	2.884725	2.37055	3.3989
12 h after dark	3.149255	2.78882	3.50969