condition mean min max 0 h after light 4.81527 3.21097 6.41957 2 h after light 2.923565 2.75715 3.08998 4 h after light 1.598405 1.39825 1.79856 8 h after light 4.95794 1.42118 8.4947 12 h after light 5.67555 5.06777 6.28333 2 h after dark 6.98227 4.72249 9.24205 4 h after dark 6.73826 6.61319 6.86333 8 h after dark 8.62391 7.96085 9.28697 12 h after dark 3.60677 3.29636 3.91718