condition mean min max 3 h after light 47.499833333333335 45.1664 49.625 6 h after light 56.3285 48.5442 64.4985 9 h after light 59.1489 56.2771 63.7386 12 h after light 58.190025 48.3393 65.4533 3 h after dark 64.2463 62.2147 67.0644 6 h after dark 41.265033333333335 37.4317 45.6252 9 h after dark 35.8915 32.0644 41.5345 12 h after dark 36.83355 35.6972 37.9699