condition	mean	min	max
4 h after light	9.526053333333333	9.3596	9.61162
8 h after light	9.4102	9.22264	9.53345
12 h after light	9.458213333333333	9.28926	9.56451
4 h after dark	9.7119	9.49479	9.874260000000001
8 h after dark	9.685603333333333	9.49948	9.791360000000001
12 h after dark	9.68389	9.59436	9.79443