condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.02665945 0.0 0.0533189 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.02739765 0.0 0.0547953 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