condition mean min max 4 h after light 440.9865 402.098 479.875 8 h after light 385.0535 354.016 416.091 12 h after light 396.13199999999995 394.852 397.412 4 h after dark 459.15366666666665 451.582 466.632 8 h after dark 617.871 542.629 655.521 12 h after dark 466.10200000000003 446.499 492.736