condition mean min max 0 h after light 0.6313565 0.459276 0.803437 2 h after light 0.5701655 0.431337 0.708994 4 h after light 0.8037915 0.703432 0.904151 8 h after light 0.754526 0.738298 0.770754 12 h after light 1.979575 1.96042 1.99873 2 h after dark 2.395985 2.1573 2.63467 4 h after dark 1.253275 1.10356 1.40299 8 h after dark 1.336492 0.742584 1.9304 12 h after dark 0.8320685 0.530427 1.13371