condition mean min max 4 h after light 38.80185 35.3615 42.2422 8 h after light 36.234350000000006 34.7882 37.6805 12 h after light 42.66895 40.8158 44.5221 4 h after dark 54.76349999999999 53.1189 56.4081 8 h after dark 54.85675 54.0306 55.6829 12 h after dark 48.24445 46.4663 50.0226