condition mean min max 3 h after light 9.23218 6.65854 10.7504 6 h after light 10.808693333333334 7.78771 14.6713 9 h after light 13.588790000000001 8.96907 19.5835 12 h after light 17.088366666666666 13.7212 21.3819 3 h after dark 18.473733333333332 18.1683 18.6491 6 h after dark 10.719636666666666 9.77451 11.6198 9 h after dark 5.45185 3.34975 7.85129 12 h after dark 4.44389 2.7385 7.16041