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 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.09502505 0.0598681 0.130182 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0327036 0.0 0.0654072 12 h after dark 0.0 0.0 0.0