condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.036854 0.0 0.110562 12 h after light 0.06998963333333333 0.0271589 0.117124 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0