condition	mean	min	max
4 h after light	8.710405999999999	8.446746	8.974066
8 h after light	8.1721295	7.151827	9.192432
12 h after light	8.258547499999999	8.200652	8.316443
4 h after dark	8.733091	8.689541	8.776641
8 h after dark	8.216549	7.701646	8.731452
12 h after dark	8.446746	8.446746	8.446746