condition mean min max 3 h after light 70.2462 57.7227 79.5354 6 h after light 77.871 65.9934 85.4579 9 h after light 95.12283333333333 89.1092 106.711 12 h after light 106.3676 86.4438 120.836 3 h after dark 131.57266666666666 126.262 140.779 6 h after dark 93.7034 81.4758 104.001 9 h after dark 72.50706666666667 62.0241 86.4261 12 h after dark 47.424299999999995 41.3948 58.4922