condition mean min max 0 h after light 4.518715 3.96684 5.07059 2 h after light 0.334921 0.20665 0.463192 4 h after light 1.246508 0.606616 1.8864 8 h after light 1.0627575 0.852145 1.27337 12 h after light 1.045471 0.207182 1.88376 2 h after dark 3.284135 2.97165 3.59662 4 h after dark 5.35527 5.1549 5.55564 8 h after dark 8.834675 6.96065 10.7087 12 h after dark 3.33365 3.17655 3.49075