condition mean min max 0 h after light 0.02032775 0.0 0.0406555 4 h after light 0.3461305 0.320101 0.37216 8 h after light 0.2237295 0.206555 0.240904 4 h after dark 0.1797535 0.159431 0.200076 8 h after dark 0.18070399999999998 0.159877 0.201531 12 h after dark 0.0991145 0.0 0.198229