condition mean min max 4 h after light 78.70875000000001 77.5125 79.905 8 h after light 58.793499999999995 55.9006 61.6864 12 h after light 39.70135 35.3319 44.0708 4 h after dark 34.834633333333336 33.5422 36.8165 8 h after dark 40.472 38.7159 42.0456 12 h after dark 64.05896666666666 58.3978 71.422