condition mean min max 4 h after light 0.01790975 0.0149208 0.0208987 8 h after light 0.03656025 0.0286795 0.044441 12 h after light 0.0376138 0.0 0.0752276 4 h after dark 0.05780916666666667 0.0 0.0871652 8 h after dark 0.02165545 0.00745145 0.0332027 12 h after dark 0.03274846666666666 0.0 0.0491394