condition mean min max 4 h after light 10.60963 9.86376 11.3555 8 h after light 8.766539999999999 8.32208 9.211 12 h after light 8.753354999999999 8.17454 9.33217 4 h after dark 8.77185 8.1644 9.82658 8 h after dark 9.953693333333334 9.60096 10.3153 12 h after dark 9.524233333333333 9.34149 9.68164