condition mean min max 0 h after light 16.05295 14.2217 17.8842 2 h after light 7.66047 7.63012 7.69082 4 h after light 8.505485 6.90857 10.1024 8 h after light 5.706575 4.93905 6.4741 12 h after light 10.021080000000001 9.98586 10.0563 2 h after dark 7.64286 7.25592 8.0298 4 h after dark 9.83947 8.91324 10.7657 8 h after dark 19.277900000000002 17.7467 20.8091 12 h after dark 15.25225 13.8374 16.6671