condition mean min max 4 h after light 571.4690125 466.707841 676.230184 8 h after light 680.3010155 632.847441 727.75459 12 h after light 662.1515340000001 607.224857 717.078211 4 h after dark 567.4285854999999 449.770518 685.086653 8 h after dark 439.3110285 347.689859 530.932198 12 h after dark 357.65853 357.65853 357.65853