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 0.0 0.0 0.0 8 h after light 2.33238 1.87016 2.7946 12 h after light 4.010035 1.81877 6.2013 2 h after dark 0.4660835 0.0 0.932167 4 h after dark 1.30537 0.0 2.61074 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0