condition	mean	min	max
4 h after light	31.44005	30.1712	32.7089
8 h after light	31.38495	29.9741	32.7958
12 h after light	29.10695	28.5679	29.646
4 h after dark	45.82585	40.9443	50.7074
8 h after dark	41.99595	40.7945	43.1974
12 h after dark	39.3888	37.2387	41.5389