condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0663622 0.0452172 0.0875072 8 h after light 0.06712575 0.0439046 0.0903469 4 h after dark 0.0 0.0 0.0 8 h after dark 0.02203725 0.0 0.0440745 12 h after dark 0.02215885 0.0 0.0443177