condition mean min max 2 h after light 3.3333675 0.767332 9.23285 6 h after light 5.615883333333334 2.29382 13.547 10 h after light 5.659496666666667 1.00759 16.6857 14 h after light 7.704175 1.85666 26.0021 18 h after light 4.949181666666667 1.19104 14.2285 2 h after dark 2.201728 0.386637 8.23215