condition mean min max 3 h after light 266.166 251.191 274.243 6 h after light 543.4173333333333 503.606 587.361 9 h after light 609.5123333333333 541.597 666.042 12 h after light 420.7618 80.9302 600.068 3 h after dark 270.60699999999997 251.196 290.985 6 h after dark 208.56466666666668 182.799 227.241 9 h after dark 146.21833333333333 137.63 157.533 12 h after dark 96.2766 91.8022 100.751