condition mean min max 2 h after light 1.3896083333333333 0.0 3.06732 6 h after light 0.9907366666666667 0.0 3.70944 10 h after light 1.52178 0.0 4.57768 14 h after light 0.35518 0.0 2.13108 18 h after light 1.993605 0.0 5.53152 2 h after dark 0.44019499999999995 0.0 2.64117