condition mean min max 2 h after light 0.41304266666666667 0.0 0.907066 6 h after light 0.6854925 0.0 1.55253 10 h after light 1.367249 0.331985 2.39888 14 h after light 1.113697 0.45535 1.43885 18 h after light 0.6558433333333333 0.0 1.31266 2 h after dark 1.4725584999999999 0.735975 2.51863