condition mean min max 4 h after light 31.709243 29.777664 33.640822 8 h after light 40.4574835 35.541907 45.37306 12 h after light 38.301769 37.84396 38.759578 4 h after dark 34.016667999999996 32.491429 35.541907 8 h after dark 34.065508 25.968461 42.162555 12 h after dark 31.666952 31.666952 31.666952