condition mean min max 0 h after light 193.38350000000003 192.919 193.848 4 h after light 568.1165 507.601 628.632 8 h after light 473.5675 374.452 572.683 4 h after dark 43.8409 25.0575 62.6243 8 h after dark 142.8745 125.893 159.856 12 h after dark 256.63599999999997 223.819 289.453