condition mean min max 0 h after light 2.507215 0.0 5.01443 2 h after light 0.0 0.0 0.0 4 h after light 2.32468 2.28294 2.36642 8 h after light 0.0 0.0 0.0 12 h after light 2.658505 0.0 5.31701 2 h after dark 3.701175 2.6069 4.79545 4 h after dark 1.11923 0.0 2.23846 8 h after dark 6.45556 5.05241 7.85871 12 h after dark 3.7291 0.0 7.4582