condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0441154 0.0 0.0882308 8 h after light 0.06768075 0.0442676 0.0910939 4 h after dark 0.0440314 0.0439446 0.0441182 8 h after dark 0.04406755 0.0 0.0881351 12 h after dark 0.02185545 0.0 0.0437109