condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.07996 0.0 0.15992 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.081018 0.0 0.162036 4 h after dark 0.075636 0.0 0.151272 8 h after dark 0.259232 0.177028 0.341436 12 h after dark 0.0 0.0 0.0