condition mean min max 1 h after light 15.69649136 14.31511155 17.13498392 3 h after light 16.674714726666664 13.19888209 18.9764478 5 h after light 15.878713696666667 14.70791828 17.23815172 7 h after light 14.646183153333332 14.26499108 14.86946034 9 h after light 14.53416379 11.00264835 17.67032305 11 h after light 14.106393763333333 12.60821204 15.68998694 13 h after light 14.140376923333333 12.87701424 14.87795052 15 h after light 13.96515783 11.21980229 16.54494452 1 h after dark 12.115419284333333 9.124475953 15.10333351 3 h after dark 13.22158159 11.85781938 15.29161769 5 h after dark 11.724532049333334 9.891455228 13.32980476 7 h after dark 14.705876289999999 10.76412276 19.16130897