condition mean min max 2 h after light 75.3345 56.4399 95.0729 6 h after light 62.13275 36.4979 77.9088 10 h after light 127.65795 83.0547 199.212 14 h after light 114.4153 82.6149 200.273 18 h after light 80.35865 62.8033 96.4648 2 h after dark 114.09455 89.4916 138.292