condition mean min max 4 h after light 455.144282 449.522536 460.766028 8 h after light 333.90668700000003 265.740332 402.073042 12 h after light 439.839092 390.412315 489.265869 4 h after dark 531.331619 431.810971 630.852267 8 h after dark 541.555584 447.479625 635.631543 12 h after dark 281.165155 281.165155 281.165155