condition	mean	min	max
4 h after light	14.676098	14.389186	14.96301
8 h after light	14.3814425	13.530891	15.231994
12 h after light	15.541282500000001	14.590617	16.491948
4 h after dark	14.9880645	14.411299	15.56483
8 h after dark	21.935429499999998	16.396054	27.474805
12 h after dark	15.663284	15.663284	15.663284