condition mean min max 4 h after light 71.3358 67.0374 75.6342 8 h after light 65.5476 58.7369 72.3583 12 h after light 78.7933 77.6145 79.9721 4 h after dark 88.5669 74.6267 97.9776 8 h after dark 97.08070000000001 90.2091 101.986 12 h after dark 76.5432 69.8712 80.784