condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0150263 0.0 0.0300526 12 h after light 0.01556205 0.0 0.0311241 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.033759533333333334 0.0 0.0603337