condition mean min max 0 h after light 6.341675 6.23261 6.45074 2 h after light 8.35557 8.11494 8.5962 4 h after light 6.9044550000000005 6.76203 7.04688 8 h after light 5.069455 4.31655 5.82236 12 h after light 8.26394 8.21011 8.31777 2 h after dark 7.19495 6.37849 8.01141 4 h after dark 5.5842600000000004 5.51591 5.65261 8 h after dark 7.730045 7.20172 8.25837 12 h after dark 6.16314 5.56718 6.7591