condition mean min max 4 h after light 10.018628499999998 9.18869 10.848567 8 h after light 11.205339500000001 10.848567 11.562112 12 h after light 11.947957 10.81389 13.082024 4 h after dark 10.226924 10.036884 10.416964 8 h after dark 11.701205 11.353218 12.049192 12 h after dark 9.681787 9.681787 9.681787