condition	mean	min	max
4 h after light	39.125055	26.763295	51.486815
8 h after light	33.0372695	30.02808	36.046459
12 h after light	34.1226775	29.161135	39.08422
4 h after dark	42.683794	36.872778	48.49481
8 h after dark	40.5568875	38.891697	42.222078
12 h after dark	31.460399	31.460399	31.460399