condition mean min max 2 h after light 97.1319 87.6399 113.977 6 h after light 94.68095 82.2597 107.224 10 h after light 128.83350000000002 114.295 138.928 14 h after light 137.04616666666666 117.401 165.462 18 h after light 139.4155 122.661 167.275 2 h after dark 168.00766666666667 117.743 235.447