condition mean min max 4 h after light 0.01408755 0.0 0.0281751 8 h after light 0.0228274 0.0 0.0456548 12 h after light 0.046369900000000006 0.0369808 0.055759 4 h after dark 0.0369043 0.024368 0.0494406 8 h after dark 0.04252515 0.0366345 0.0484158 12 h after dark 0.044288350000000004 0.040488 0.0480887