condition mean min max 2 h after light 6.2541400000000005 5.57481 7.15618 6 h after light 7.266016666666666 7.13785 7.39194 10 h after light 6.52565 5.94464 7.19445 2 h after dark 15.410400000000001 14.6273 16.0177 6 h after dark 25.042 23.8026 27.1829 10 h after dark 31.164633333333335 31.0504 31.3682