condition mean min max 4 h after light 174.7207935 165.338648 184.102939 8 h after light 162.33299599999998 152.826969 171.839023 12 h after light 129.8046215 116.924365 142.684878 4 h after dark 134.952785 126.605393 143.300177 8 h after dark 101.99846099999999 99.09107 104.905852 12 h after dark 80.001975 80.001975 80.001975