condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.009742333333333334 0.0 0.029227 12 h after light 0.025447766666666666 0.0 0.0763433 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