condition	mean	min	max
4 h after light	14.3270665	13.434868	15.219265
8 h after light	15.798222	12.877855	18.718589
12 h after light	18.8286115	15.02776	22.629463
4 h after dark	17.744447	17.011211	18.477683
8 h after dark	16.241754999999998	16.045419	16.438091
12 h after dark	18.112676	18.112676	18.112676