condition	mean	min	max
0 h after light	31.24375	28.1846	34.3029
4 h after light	28.32425	24.8521	31.7964
8 h after light	31.765050000000002	30.2974	33.2327
4 h after dark	39.8651	37.5435	42.1867
8 h after dark	33.034000000000006	32.9716	33.0964
12 h after dark	26.1657	25.8085	26.5229