condition mean min max 0 h after light 4.16017 0.0 8.32034 4 h after light 4.170305 4.1017 4.23891 8 h after light 10.4086 8.4696 12.3476 4 h after dark 5.7807 0.0 11.5614 8 h after dark 12.360800000000001 8.1945 16.5271 12 h after dark 2.07729 0.0 4.15458