condition mean min max 2 h after light 0.031768 0.0 0.190608 6 h after light 0.0212485 0.0 0.127491 10 h after light 0.04377583333333334 0.0 0.262655 14 h after light 0.10369816666666666 0.0 0.47262 18 h after light 0.02303216666666667 0.0 0.138193 2 h after dark 0.0303865 0.0 0.182319