condition	mean	min	max
4 h after light	5.83197	5.82533	5.83751
8 h after light	5.733303333333334	5.6532800000000005	5.86268
12 h after light	5.695406666666667	5.5713	5.83294
4 h after dark	5.847696666666667	5.761	6.00128
8 h after dark	5.74843	5.3713	5.9684099999999995
12 h after dark	5.781863333333334	5.53913	6.06125