condition	mean	min	max
4 h after light	67.3794	58.0106	76.7482
8 h after light	46.67385	44.389	48.9587
12 h after light	42.4322	33.8404	51.024
4 h after dark	155.785	152.692	158.878
8 h after dark	142.3985	110.348	174.449
12 h after dark	84.6705	60.507	108.834