condition	mean	min	max
4 h after light	4.552666666666666	4.46282	4.648219999999999
8 h after light	4.50164	4.408530000000001	4.6363199999999996
12 h after light	4.46863	4.29648	4.69388
4 h after dark	4.62305	4.45275	4.7289900000000005
8 h after dark	4.446823333333334	4.35046	4.57301
12 h after dark	4.408953333333334	4.36559	4.46282