condition mean min max 4 h after light 286.865929 252.03128 321.700578 8 h after light 223.57830049999998 189.332835 257.823766 12 h after light 178.6511415 158.839457 198.462826 4 h after dark 324.529039 204.156642 444.901436 8 h after dark 375.64500350000003 277.827564 473.462443 12 h after dark 217.216925 217.216925 217.216925