condition mean min max 4 h after light 0.5331715 0.369002 0.697341 8 h after light 0.4654235 0.403573 0.527274 12 h after light 1.3456299999999999 1.28794 1.40332 4 h after dark 3.52058 3.20166 3.8395 8 h after dark 1.7550400000000002 1.73275 1.77733 12 h after dark 1.234875 1.15044 1.31931