condition mean min max 0 h after light 0.272482 0.272239 0.272725 4 h after light 0.5451239999999999 0.396273 0.693975 8 h after light 1.711925 1.39497 2.02888 4 h after dark 1.3244845 0.731609 1.91736 8 h after dark 0.9617720000000001 0.919274 1.00427 12 h after dark 0.250762 0.151972 0.349552