condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.14311966666666667 0.0 0.429359 4 h after dark 0.100422 0.0 0.301266 8 h after dark 0.16695 0.0 0.263513 12 h after dark 0.044361333333333336 0.0 0.133084