condition mean min max 3 h after light 7.124928333333333 2.65809 12.8789 7 h after light 8.207118333333334 4.67439 14.2072 11 h after light 9.086705833333333 4.24649 15.7483 2 h after dark 10.1425525 4.1478 19.8352 6 h after dark 7.4326875 2.69068 12.0392 10 h after dark 7.152889166666666 3.09445 11.2473