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 0.0253507 0.0 0.0507014 8 h after light 0.0 0.0 0.0 12 h after light 0.0129873 0.0 0.0259746 2 h after dark 0.01331265 0.0 0.0266253 4 h after dark 0.0 0.0 0.0 8 h after dark 0.014026 0.0 0.028052 12 h after dark 0.02707805 0.0265498 0.0276063