condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.1046515 0.0 0.209303 4 h after light 0.0 0.0 0.0 8 h after light 0.096265 0.0 0.19253 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.205951 0.202214 0.209688 12 h after dark 0.0 0.0 0.0