condition mean min max 4 h after light 34.018299999999996 33.3085 34.7281 8 h after light 18.16075 18.0478 18.2737 12 h after light 20.485149999999997 20.2092 20.7611 4 h after dark 30.396733333333334 29.5265 31.9149 8 h after dark 43.71876666666667 42.9822 44.1307 12 h after dark 40.81973333333334 39.7165 41.7518