condition mean min max 4 h after light 8.9762 7.99784 9.95456 8 h after light 8.805109999999999 8.47291 9.13731 12 h after light 10.062265 9.35203 10.7725 4 h after dark 12.588766666666666 11.6099 13.1442 8 h after dark 11.36586 9.81688 13.0555 12 h after dark 9.402813333333333 9.03328 10.0955