condition mean min max 0 h after light 55.1884 54.5219 55.8549 4 h after light 38.328450000000004 37.9452 38.7117 8 h after light 36.0938 32.6471 39.5405 4 h after dark 33.26115 32.71 33.8123 8 h after dark 50.6015 44.104 57.099 12 h after dark 44.62765 41.2123 48.043