condition mean min max 4 h after light 114.214061 107.426834 121.001288 8 h after light 137.4719345 127.096797 147.847072 12 h after light 159.8195285 140.504459 179.134598 4 h after dark 195.31309950000002 178.242984 212.383215 8 h after dark 196.513564 167.144201 225.882927 12 h after dark 236.924364 236.924364 236.924364