condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.13112600000000002 0.128969 0.133283 8 h after light 0.0323535 0.0 0.064707 4 h after dark 0.03224435 0.0 0.0644887 8 h after dark 0.09689325 0.0649575 0.128829 12 h after dark 0.032658 0.0 0.065316