condition mean min max 4 h after light 328.6 328.6 328.6 8 h after light 278.85 276.9 280.8 12 h after light 308.0 299.7 316.3 4 h after dark 442.45000000000005 266.3 618.6 8 h after dark 579.6500000000001 452.6 706.7 12 h after dark 634.7 587.0 682.4