condition mean min max 4 h after light 357.3452305 340.227635 374.462826 8 h after light 464.10295499999995 406.759968 521.445942 12 h after light 556.7884985000001 348.696363 764.880634 4 h after dark 498.6836875 482.596857 514.770518 8 h after dark 576.49566 349.620314 803.371006 12 h after dark 478.922755 478.922755 478.922755