condition mean min max 4 h after light 0.00293472 0.0 0.00586944 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0025059866666666667 0.0 0.00751796