condition	mean	min	max
0 h after light	15.28785	15.252	15.3237
4 h after light	37.39765	37.1707	37.6246
8 h after light	52.26065	50.9218	53.5995
4 h after dark	37.5965	35.0925	40.1005
8 h after dark	20.4347	20.3249	20.5445
12 h after dark	14.2102	10.0704	18.35