condition mean min max 4 h after light 0.0475366 0.0 0.0950732 8 h after light 0.0900956 0.0770282 0.103163 12 h after light 1.4389349999999999 1.37266 1.50521 4 h after dark 0.789477 0.411134 1.16782 8 h after dark 0.16409849999999998 0.163373 0.164824 12 h after dark 0.5572145 0.546487 0.567942