condition mean min max 3 h after light 48.15826666666666 46.1682 50.9323 6 h after light 51.97763333333333 49.0558 57.7205 9 h after light 56.6857 53.5629 59.4218 12 h after light 61.05495 39.6845 70.1433 3 h after dark 73.1078 64.0234 83.148 6 h after dark 48.7267 45.4201 50.4189 9 h after dark 45.33323333333333 44.1048 46.0128 12 h after dark 35.6238 32.864 38.3836