condition mean min max 4 h after light 760.6548115 656.981286 864.328337 8 h after light 689.237068 659.70351 718.770626 12 h after light 728.2828055 637.229787 819.335824 4 h after dark 903.363365 675.821717 1130.905013 8 h after dark 1201.1262605000002 905.802711 1496.44981 12 h after dark 898.30898 898.30898 898.30898