condition mean min max 4 h after light 298.1 298.1 298.1 8 h after light 263.5 258.6 268.4 12 h after light 352.5 265.9 439.1 4 h after dark 447.75 436.9 458.6 8 h after dark 439.4 437.1 441.7 12 h after dark 399.6 305.8 493.4