condition mean min max 4 h after light 4.736343333333333 4.57982 4.93951 8 h after light 4.619976666666667 4.49904 4.69301 12 h after light 4.77456 4.67684 4.824409999999999 4 h after dark 4.74929 4.73649 4.77234 8 h after dark 4.61278 4.5367 4.68466 12 h after dark 4.6003300000000005 4.51234 4.71614