condition	mean	min	max
0 h after light	21.9708	21.8002	22.1414
4 h after light	23.07175	21.6748	24.4687
8 h after light	29.211	26.1074	32.3146
4 h after dark	32.77105	31.7593	33.7828
8 h after dark	28.02355	25.7051	30.342
12 h after dark	21.8408	19.511	24.1706