condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.131827 0.0 0.395481 12 h after light 0.26189266666666666 0.0 0.785678 3 h after dark 0.219727 0.0 0.659181 6 h after dark 0.0 0.0 0.0 9 h after dark 0.15501233333333334 0.0 0.465037 12 h after dark 0.0 0.0 0.0