condition mean min max 3 h after light 46.7095 39.8279 51.0481 6 h after light 52.250033333333334 46.7684 56.5752 9 h after light 58.4106 55.1147 62.5045 12 h after light 52.7129 47.6435 57.1605 3 h after dark 71.91476666666667 67.5287 80.1607 6 h after dark 87.32673333333334 85.2891 89.9487 9 h after dark 80.31323333333333 70.4476 85.8642 12 h after dark 74.5601 64.8179 81.6744