condition mean min max 0 h after light 0.01994145 0.0 0.0398829 2 h after light 0.0185568 0.0 0.0371136 4 h after light 0.0094108 0.0 0.0188216 8 h after light 0.01905765 0.0 0.0381153 12 h after light 0.0 0.0 0.0 2 h after dark 0.0190706 0.0 0.0381412 4 h after dark 0.0 0.0 0.0 8 h after dark 0.040927599999999995 0.040185 0.0416702 12 h after dark 0.0 0.0 0.0