condition mean min max 0 h after light 17.84105 16.7181 18.964 4 h after light 53.9869 48.7095 59.2643 8 h after light 35.879599999999996 31.659 40.1002 4 h after dark 25.79135 21.9181 29.6646 8 h after dark 27.441049999999997 21.5962 33.2859 12 h after dark 30.84525 21.5287 40.1618