condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.02989955 0.0 0.0597991 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.00595295 0.0 0.0119059 12 h after dark 0.0 0.0 0.0