condition mean min max 4 h after light 8.061119999999999 6.85951 9.26273 8 h after light 19.6209 16.8688 22.373 12 h after light 23.6159 20.6284 26.6034 4 h after dark 19.942333333333334 17.1897 22.9628 8 h after dark 8.55614 8.20097 8.96514 12 h after dark 9.607626666666667 7.82214 11.8275