condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.050441 0.0 0.100882 12 h after light 0.138575 0.0 0.27715 4 h after dark 0.0 0.0 0.0 8 h after dark 0.06008755 0.0402949 0.0798802 12 h after dark 0.07307040000000001 0.0668003 0.0793405