condition mean min max 4 h after light 242.6 242.6 242.6 8 h after light 301.9 267.6 336.2 12 h after light 363.20000000000005 324.8 401.6 4 h after dark 356.15 299.2 413.1 8 h after dark 645.0 550.2 739.8 12 h after dark 436.45 401.5 471.4