condition mean min max 3 h after light 54.8618 50.8844 58.5027 6 h after light 74.8462 67.4173 86.6554 9 h after light 114.61290000000001 97.0447 137.383 12 h after light 116.0016 92.2984 132.888 3 h after dark 184.709 173.666 195.04 6 h after dark 158.41433333333333 148.303 170.809 9 h after dark 107.98933333333333 102.879 113.088 12 h after dark 68.55555 59.2705 77.8406