condition	mean	min	max
4 h after light	498.967	498.649	499.285
8 h after light	546.6445	541.148	552.141
12 h after light	471.975	456.225	487.725
4 h after dark	362.523	340.27	384.776
8 h after dark	369.843	363.79	375.896
12 h after dark	423.374	410.362	436.386