condition mean min max 0 h after light 2.1256457 0.0893214 4.16197 2 h after light 0.38867782 0.00114264 0.776213 4 h after light 0.8773831 0.0848262 1.66994 8 h after light 2.341298111 0.000776222 4.68182 12 h after light 4.654059999999999 1.75415 7.55397 2 h after dark 4.3588154999999995 0.344071 8.37356 4 h after dark 4.010937 0.132484 7.88939 8 h after dark 0.422232 0.377733 0.466731 12 h after dark 6.667925125 0.00385025 13.332