condition mean min max 4 h after light 148.19904300000002 137.694804 158.703282 8 h after light 178.49283300000002 163.93064 193.055026 12 h after light 215.46502850000002 199.30898 231.621077 4 h after dark 281.487747 182.897387 380.078107 8 h after dark 264.0744365 224.839893 303.30898 12 h after dark 179.671762 179.671762 179.671762