condition	mean	min	max
0 h after light	9.93972	9.58044	10.299
4 h after light	16.7878	15.8358	17.7398
8 h after light	19.1044	18.4714	19.7374
4 h after dark	12.41695	10.717	14.1169
8 h after dark	10.86034	9.05648	12.6642
12 h after dark	10.03471	9.55822	10.5112