condition mean min max 3 h after light 1.7312923333333332 0.919027 2.25648 6 h after light 1.57038 0.99348 2.05268 9 h after light 1.6856393333333333 0.765428 2.47737 12 h after light 2.7710500000000002 1.99801 3.81349 3 h after dark 1.482837 0.868951 1.88402 6 h after dark 2.0966066666666667 1.25801 2.75317 9 h after dark 1.1766083333333333 0.686305 1.70697 12 h after dark 1.0301925 0.995055 1.06533