condition mean min max 2 h after light 1.0826155 0.610404 1.64564 6 h after light 0.9299056666666666 0.492842 1.4154 10 h after light 1.021394 0.464426 1.70976 14 h after light 1.2063481666666667 0.639572 2.11945 18 h after light 1.0418485 0.489952 1.63834 2 h after dark 0.9763351666666666 0.409396 1.62419