condition mean min max 0 h after light 0.1519875 0.0 0.303975 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.1030755 0.0 0.206151 12 h after light 0.161036 0.0 0.322072 2 h after dark 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 0.0 0.0 0.0