condition mean min max 3 h after light 1.9935966666666667 1.23824 2.399 6 h after light 1.256026 0.662528 2.10739 9 h after light 2.3387623333333334 0.622687 5.26299 12 h after light 2.29318 2.19921 2.39817 3 h after dark 2.2468933333333334 1.38384 3.94488 6 h after dark 1.005655 0.648255 1.20539 9 h after dark 2.3630896666666668 0.93024 5.18276 12 h after dark 0.6773309999999999 0.300194 1.01683