condition mean min max 4 h after light 52.5326 51.7091 53.3561 8 h after light 27.9999 26.7178 29.282 12 h after light 31.206449999999997 27.6668 34.7461 4 h after dark 63.212599999999995 45.4218 81.0034 8 h after dark 42.1703 40.7661 43.5745 12 h after dark 55.39595 50.5117 60.2802