condition	mean	min	max
0 h after light	22.106450000000002	20.7864	23.4265
4 h after light	9.72721	9.32922	10.1252
8 h after light	9.31633	7.98296	10.6497
4 h after dark	11.93395	11.0581	12.8098
8 h after dark	15.29585	15.2377	15.354
12 h after dark	19.29155	15.2298	23.3533