condition mean min max 4 h after light 0.0 0.0 0.0 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 0.17016133333333336 0.0 0.510484 12 h after dark 0.06788966666666667 0.0 0.203669