condition mean min max 4 h after light 2615.466362 2289.808424 2941.1243 8 h after light 2426.3653185000003 2413.937422 2438.793215 12 h after light 2312.346358 2081.460659 2543.232057 4 h after dark 1980.4223940000002 1486.196546 2474.648242 8 h after dark 1930.2305015000002 1461.992247 2398.468756 12 h after dark 2340.270518 2340.270518 2340.270518