condition mean min max 3 h after light 13.4766 11.5635 16.5298 6 h after light 10.28563 6.55619 13.7236 9 h after light 16.584600000000002 14.5521 18.4628 12 h after light 18.100525 15.7554 19.6357 3 h after dark 14.960099999999999 12.7036 18.7202 6 h after dark 15.7637 14.6559 17.3283 9 h after dark 8.7156 6.69788 10.8058 12 h after dark 10.15677 7.73324 12.5803