condition mean min max 1 h after light 18.927302779999998 15.17311508 21.95528152 3 h after light 16.90832026 15.05028618 19.64484775 5 h after light 17.420123496666665 14.34152885 22.07693115 7 h after light 15.688897373333333 14.52794022 16.59587708 9 h after light 15.296300653333333 11.58885502 20.48559485 11 h after light 13.275605763333333 12.45617284 14.59797747 13 h after light 15.432847386666667 11.5717393 18.5512431 15 h after light 15.240873636666667 12.94191148 17.52210108 1 h after dark 15.264788339999999 14.50051854 16.07031523 3 h after dark 17.548549306666665 15.63269466 18.53156698 5 h after dark 14.214920543333333 13.69586109 15.11277227 7 h after dark 20.669519823333335 19.36229399 21.830358800000003