condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.03254103333333334 0.0 0.0976231 12 h after light 0.07788156666666667 0.0 0.169482 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0