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 0.0139831 0.0 0.0279662 2 h after dark 0.0 0.0 0.0 4 h after dark 0.01388745 0.0 0.0277749 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0