condition	mean	min	max
4 h after light	18.833148	17.134748	20.531548
8 h after light	20.8176205	19.276242	22.358999
12 h after light	20.340657	18.58912	22.092194
4 h after dark	17.106107	16.795135	17.417079
8 h after dark	15.518066000000001	14.974436	16.061696
12 h after dark	14.344145	14.344145	14.344145