condition mean min max 0 h after light 0.0143682 0.0 0.0287364 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 0.0 0.0 0.0 4 h after dark 0.0261413 0.0256561 0.0266265 8 h after dark 0.0 0.0 0.0 12 h after dark 0.01424705 0.0 0.0284941