condition	mean	min	max
4 h after light	3.7974633333333334	3.74451	3.8482800000000004
8 h after light	3.825096666666667	3.6984800000000004	3.97798
12 h after light	3.7694533333333333	3.72375	3.79311
4 h after dark	3.81379	3.74347	3.8566800000000003
8 h after dark	3.786783333333333	3.70335	3.8328599999999997
12 h after dark	3.76977	3.6953199999999997	3.83777