condition	mean	min	max
4 h after light	18.82515	17.8674	19.7829
8 h after light	16.170900000000003	16.0681	16.2737
12 h after light	41.543949999999995	39.6389	43.449
4 h after dark	48.9546	47.9587	49.9505
8 h after dark	43.8287	43.32	44.3374
12 h after dark	31.9283	30.6075	33.2491