condition	mean	min	max
4 h after light	6.1750799999999995	5.7898	6.56036
8 h after light	3.1493349999999998	3.12097	3.1777
12 h after light	5.745105	5.68723	5.80298
4 h after dark	6.66995	6.6202	6.7197
8 h after dark	10.31758	9.85286	10.7823
12 h after dark	8.772079999999999	8.60684	8.93732