condition mean min max 4 h after light 16.428289 15.703406 17.153172 8 h after light 12.7925285 12.735494 12.849563 12 h after light 12.747491499999999 12.321911 13.173072 4 h after dark 12.553218999999999 12.19333 12.913108 8 h after dark 12.241628 10.94261 13.540646 12 h after dark 14.338445 14.338445 14.338445