condition mean min max 0 h after light 0.329141 0.253463 0.404819 4 h after light 0.27607 0.10312 0.44902 8 h after light 0.127328 0.100126 0.15453 4 h after dark 0.1990865 0.149683 0.24849 8 h after dark 0.549677 0.351799 0.747555 12 h after dark 0.274086 0.202137 0.346035