condition mean min max 0 h after light 45.2448 43.5774 46.9122 2 h after light 43.02805 42.4013 43.6548 4 h after light 27.7303 17.0864 38.3742 8 h after light 29.9514 26.8999 33.0029 12 h after light 20.16095 19.8972 20.4247 2 h after dark 16.97185 13.0073 20.9364 4 h after dark 28.5032 25.1301 31.8763 8 h after dark 33.90255 22.0582 45.7469 12 h after dark 65.07155 49.6177 80.5254