condition	mean	min	max
4 h after light	12.632035	9.98747	15.2766
8 h after light	15.1218	14.7279	15.5157
12 h after light	28.8074	28.335	29.2798
4 h after dark	24.1025	23.5923	24.4946
8 h after dark	21.582766666666668	18.4167	23.4694
12 h after dark	13.367433333333334	11.8117	15.3092