condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.035326333333333335 0.0 0.105979 12 h after light 0.023598933333333336 0.010156 0.0354768 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0