condition mean min max 4 h after light 347.1 347.1 347.1 8 h after light 402.15 359.7 444.6 12 h after light 509.04999999999995 380.3 637.8 4 h after dark 371.45 204.5 538.4 8 h after dark 225.55 145.9 305.2 12 h after dark 252.75 191.3 314.2