condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.074412 0.0 0.148824 12 h after light 0.082561 0.0 0.165122 2 h after dark 0.0744625 0.0 0.148925 4 h after dark 0.211178 0.144291 0.278065 8 h after dark 0.081352 0.0 0.162704 12 h after dark 0.0 0.0 0.0