condition mean min max 0 h after light 4.554065 3.58459 5.52354 2 h after light 4.98407 4.36548 5.60266 4 h after light 2.697865 2.57097 2.82476 8 h after light 3.58424 2.54054 4.62794 12 h after light 4.166905 3.6002 4.73361 2 h after dark 4.44919 4.414 4.48438 4 h after dark 5.24015 4.66123 5.81907 8 h after dark 6.91902 6.32775 7.51029 12 h after dark 4.735855 4.27652 5.19519