condition mean min max 3 h after light 82.51358333333333 65.3355 95.4449 7 h after light 77.94645 63.2627 89.1993 11 h after light 78.47678333333333 62.6611 87.936 2 h after dark 81.90710833333334 70.5736 96.6992 6 h after dark 80.49258333333333 62.0808 95.6025 10 h after dark 83.71277500000001 63.2189 100.008