condition	mean	min	max
0 h after light	15.03105	15.0057	15.0564
4 h after light	10.97175	9.866	12.0775
8 h after light	19.34675	18.5883	20.1052
4 h after dark	20.86045	19.3508	22.3701
8 h after dark	16.00515	15.5845	16.4258
12 h after dark	13.5351	13.1544	13.9158