condition mean min max 1 h after light 9.574123515 9.574123515 9.574123515 3 h after light 15.860692665 12.35377106 19.36761427 5 h after light 16.20284332 14.38166825 18.02401839 7 h after light 20.507106395 20.12668402 20.88752877 9 h after light 16.841013925 14.54634106 19.13568679 11 h after light 15.522617949999999 13.06382124 17.98141466 1 h after dark 14.396336690000002 12.73132707 16.06134631 3 h after dark 17.04235468 14.06323328 20.02147608 5 h after dark 20.04994234 14.55971615 25.54016853 7 h after dark 27.429300335 19.67741507 35.181185600000006 9 h after dark 39.41835735 36.97126282 41.86545188 11 h after dark 47.393693025000005 46.25633233 48.53105372