condition	mean	min	max
0 h after light	31.24875	27.6888	34.8087
4 h after light	35.87505	33.7447	38.0054
8 h after light	53.8631	48.9101	58.8161
4 h after dark	61.4302	56.2087	66.6517
8 h after dark	47.53555	43.8459	51.2252
12 h after dark	35.92505	35.7844	36.0657