condition	mean	min	max
4 h after light	66.33735	63.3437	69.331
8 h after light	67.59045	64.966	70.2149
12 h after light	65.46465	61.6009	69.3284
4 h after dark	76.86410000000001	71.807	81.9212
8 h after dark	60.49205	57.7969	63.1872
12 h after dark	72.3683	71.0389	73.6977