condition mean min max 4 h after light 380.8 380.8 380.8 8 h after light 366.5 222.3 510.7 12 h after light 234.6 136.3 332.9 4 h after dark 473.75 112.9 834.6 8 h after dark 637.55 446.2 828.9 12 h after dark 363.75 172.0 555.5