condition mean min max 0 h after light 1.0808305 0.961691 1.19997 4 h after light 1.32358 1.27776 1.3694 8 h after light 1.51576 1.41694 1.61458 4 h after dark 1.93688 1.79136 2.0824 8 h after dark 1.6615250000000001 1.65455 1.6685 12 h after dark 1.49584 1.26604 1.72564