condition mean min max 4 h after light 40.55575 38.7138 42.3977 8 h after light 37.30255 35.4072 39.1979 12 h after light 33.87 30.0053 37.7347 4 h after dark 50.786366666666666 38.439 64.4781 8 h after dark 60.10996666666667 46.5634 69.7485 12 h after dark 46.0582 41.0577 51.8389