condition mean min max 0 h after light 1.699765 1.52234 1.87719 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.401715 0.0 0.80343