condition mean min max 4 h after light 4049.3896666666665 3588.531 4297.005999999999 8 h after light 5211.602666666667 4689.691 5577.419 12 h after light 4046.8886666666667 2927.995 4882.747 16 h after light 7719.1089999999995 6738.971 8943.385 4 h after dark 6704.093 6149.108 7112.797 8 h after dark 3321.523 2431.364 4222.072