condition	mean	min	max
4 h after light	4.80793	4.71903	4.85965
8 h after light	4.770403333333333	4.73186	4.8271
12 h after light	4.87936	4.78172	5.01839
4 h after dark	4.737143333333333	4.68741	4.78062
8 h after dark	4.93955	4.8949	4.97432
12 h after dark	4.79051	4.7632	4.84296