condition mean min max 4 h after light 807.485 745.5593 847.5897 8 h after light 836.3317000000001 570.4935 1054.297 12 h after light 546.2963666666667 405.0062 724.5622 16 h after light 630.0443 466.4953 928.8164 4 h after dark 881.0902666666667 824.7626 993.477 8 h after dark 630.5437 478.6351 756.9488