condition	mean	min	max
0 h after light	21.46915	20.3277	22.6106
4 h after light	27.6199	26.294	28.9458
8 h after light	33.14175	31.8686	34.4149
4 h after dark	31.0861	27.439	34.7332
8 h after dark	28.65535	25.3353	31.9754
12 h after dark	22.09525	17.5574	26.6331