condition	mean	min	max
0 h after light	18.51255	17.5638	19.4613
4 h after light	24.43325	22.5645	26.302
8 h after light	29.2328	28.7146	29.751
4 h after dark	31.5535	30.1754	32.9316
8 h after dark	27.64465	25.4231	29.8662
12 h after dark	24.15185	21.5266	26.7771