condition mean min max 2 h after light 0.625518 0.0 1.25217 6 h after light 0.8138626666666666 0.0 2.05061 10 h after light 0.702365 0.321515 1.45265 14 h after light 0.792421 0.0 2.09863 18 h after light 0.5716205 0.0 1.53409 2 h after dark 2.47473 1.82198 3.10838