condition mean min max 4 h after light 11.261563500000001 10.141323 12.381804 8 h after light 10.3811195 9.26879 11.493449 12 h after light 9.059051499999999 8.493151 9.624952 4 h after dark 10.085352 9.722551 10.448153 8 h after dark 9.2682415 8.666944 9.869539 12 h after dark 10.250386 10.250386 10.250386