condition mean min max 4 h after light 11.629479499999999 11.123672 12.135287 8 h after light 9.7858175 8.369743 11.201892 12 h after light 11.0004595 10.877247 11.123672 4 h after dark 10.5992985 10.307846 10.890751 8 h after dark 13.960436999999999 11.698741 16.222133 12 h after dark 11.311203 11.311203 11.311203