condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.040935 0.0 0.122805 12 h after light 0.026904499999999998 0.0 0.0807135 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.15812343333333334 0.0 0.415681