condition	mean	min	max
4 h after light	6.43161	6.14834	6.71488
8 h after light	7.142545	7.12103	7.16406
12 h after light	7.175665	6.71591	7.63542
4 h after dark	9.039085	8.90626	9.17191
8 h after dark	6.757695	6.62988	6.88551
12 h after dark	7.560169999999999	7.50066	7.61968