condition mean min max 4 h after light 0.1329285 0.121357 0.1445 8 h after light 0.2331675 0.210694 0.255641 12 h after light 0.810667 0.732713 0.888621 4 h after dark 1.52142 1.32031 1.72253 8 h after dark 0.6853275 0.536499 0.834156 12 h after dark 0.1749585 0.122074 0.227843